mirror of
https://github.com/oven-sh/bun
synced 2026-02-04 07:58:54 +00:00
Compare commits
7 Commits
alii/testi
...
claude/imp
| Author | SHA1 | Date | |
|---|---|---|---|
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549bcbf1ca | ||
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bd9fbc0cd3 | ||
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d43b3e3119 | ||
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6d592d633b | ||
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1b76feba07 | ||
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d16bbd80d3 | ||
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cd786fd0ba |
19
.aikido
19
.aikido
@@ -1,19 +0,0 @@
|
||||
exclude:
|
||||
paths:
|
||||
- test
|
||||
- scripts
|
||||
- bench
|
||||
- packages/bun-lambda
|
||||
- packages/bun-release
|
||||
- packages/bun-wasm
|
||||
- packages/bun-vscode
|
||||
- packages/bun-plugin-yaml
|
||||
- packages/bun-plugin-svelte
|
||||
- packages/bun-native-plugin-rs
|
||||
- packages/bun-native-bundler-plugin-api
|
||||
- packages/bun-inspector-protocol
|
||||
- packages/bun-inspector-frontend
|
||||
- packages/bun-error
|
||||
- packages/bun-debug-adapter-protocol
|
||||
- packages/bun-build-mdx-rs
|
||||
- packages/@types/bun
|
||||
@@ -48,14 +48,6 @@ RUN --mount=type=tmpfs,target=/tmp \
|
||||
wget -O /tmp/cmake.sh "$cmake_url" && \
|
||||
sh /tmp/cmake.sh --skip-license --prefix=/usr
|
||||
|
||||
RUN --mount=type=tmpfs,target=/tmp \
|
||||
sccache_version="0.12.0" && \
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||||
arch=$(uname -m) && \
|
||||
sccache_url="https://github.com/mozilla/sccache/releases/download/v${sccache_version}/sccache-v${sccache_version}-${arch}-unknown-linux-musl.tar.gz" && \
|
||||
wget -O /tmp/sccache.tar.gz "$sccache_url" && \
|
||||
tar -xzf /tmp/sccache.tar.gz -C /tmp && \
|
||||
install -m755 /tmp/sccache-v${sccache_version}-${arch}-unknown-linux-musl/sccache /usr/local/bin
|
||||
|
||||
RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 130 \
|
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--slave /usr/bin/g++ g++ /usr/bin/g++-13 \
|
||||
--slave /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-13 \
|
||||
@@ -118,14 +110,14 @@ ARG BUILDKITE_AGENT_TAGS
|
||||
|
||||
|
||||
# Install Rust nightly
|
||||
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
|
||||
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
|
||||
&& export PATH=$HOME/.cargo/bin:$PATH \
|
||||
&& rustup install nightly \
|
||||
&& rustup default nightly
|
||||
|
||||
|
||||
RUN ARCH=$(if [ "$TARGETARCH" = "arm64" ]; then echo "arm64"; else echo "amd64"; fi) && \
|
||||
echo "Downloading buildkite" && \
|
||||
echo "Downloading buildkite" && \
|
||||
curl -fsSL "https://github.com/buildkite/agent/releases/download/v3.87.0/buildkite-agent-linux-${ARCH}-3.87.0.tar.gz" -o /tmp/buildkite-agent.tar.gz && \
|
||||
mkdir -p /tmp/buildkite-agent && \
|
||||
tar -xzf /tmp/buildkite-agent.tar.gz -C /tmp/buildkite-agent && \
|
||||
@@ -133,20 +125,6 @@ RUN ARCH=$(if [ "$TARGETARCH" = "arm64" ]; then echo "arm64"; else echo "amd64";
|
||||
|
||||
RUN mkdir -p /var/cache/buildkite-agent /var/log/buildkite-agent /var/run/buildkite-agent /etc/buildkite-agent /var/lib/buildkite-agent/cache/bun
|
||||
|
||||
# The following is necessary to configure buildkite to use a stable
|
||||
# checkout directory. sccache hashes absolute paths into its cache keys,
|
||||
# so if buildkite uses a different checkout path each time (which it does
|
||||
# by default), sccache will be useless.
|
||||
RUN mkdir -p -m 755 /var/lib/buildkite-agent/hooks && \
|
||||
cat <<'EOF' > /var/lib/buildkite-agent/hooks/environment
|
||||
#!/bin/sh
|
||||
set -efu
|
||||
|
||||
export BUILDKITE_BUILD_CHECKOUT_PATH=/var/lib/buildkite-agent/build
|
||||
EOF
|
||||
|
||||
RUN chmod 744 /var/lib/buildkite-agent/hooks/environment
|
||||
|
||||
COPY ../*/agent.mjs /var/bun/scripts/
|
||||
|
||||
ENV BUN_INSTALL_CACHE=/var/lib/buildkite-agent/cache/bun
|
||||
@@ -169,7 +147,7 @@ COPY . /workspace/bun
|
||||
|
||||
|
||||
# Install Rust nightly
|
||||
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
|
||||
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
|
||||
&& export PATH=$HOME/.cargo/bin:$PATH \
|
||||
&& rustup install nightly \
|
||||
&& rustup default nightly
|
||||
@@ -183,4 +161,4 @@ RUN --mount=type=tmpfs,target=/workspace/bun/build \
|
||||
ls -la \
|
||||
&& bun run build:release \
|
||||
&& mkdir -p /target \
|
||||
&& cp -r /workspace/bun/build/release/bun /target/bun
|
||||
&& cp -r /workspace/bun/build/release/bun /target/bun
|
||||
@@ -16,7 +16,6 @@ import {
|
||||
getEmoji,
|
||||
getEnv,
|
||||
getLastSuccessfulBuild,
|
||||
getSecret,
|
||||
isBuildkite,
|
||||
isBuildManual,
|
||||
isFork,
|
||||
@@ -31,7 +30,7 @@ import {
|
||||
} from "../scripts/utils.mjs";
|
||||
|
||||
/**
|
||||
* @typedef {"linux" | "darwin" | "windows" | "freebsd"} Os
|
||||
* @typedef {"linux" | "darwin" | "windows"} Os
|
||||
* @typedef {"aarch64" | "x64"} Arch
|
||||
* @typedef {"musl"} Abi
|
||||
* @typedef {"debian" | "ubuntu" | "alpine" | "amazonlinux"} Distro
|
||||
@@ -114,7 +113,6 @@ const buildPlatforms = [
|
||||
{ os: "linux", arch: "x64", abi: "musl", baseline: true, distro: "alpine", release: "3.22" },
|
||||
{ os: "windows", arch: "x64", release: "2019" },
|
||||
{ os: "windows", arch: "x64", baseline: true, release: "2019" },
|
||||
{ os: "freebsd", arch: "x64", release: "14.3" },
|
||||
];
|
||||
|
||||
/**
|
||||
@@ -125,13 +123,16 @@ const testPlatforms = [
|
||||
{ os: "darwin", arch: "aarch64", release: "13", tier: "previous" },
|
||||
{ os: "darwin", arch: "x64", release: "14", tier: "latest" },
|
||||
{ os: "darwin", arch: "x64", release: "13", tier: "previous" },
|
||||
{ os: "linux", arch: "aarch64", distro: "debian", release: "13", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", distro: "debian", release: "13", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", baseline: true, distro: "debian", release: "13", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", profile: "asan", distro: "debian", release: "13", tier: "latest" },
|
||||
{ os: "linux", arch: "aarch64", distro: "debian", release: "12", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", distro: "debian", release: "12", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", baseline: true, distro: "debian", release: "12", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", profile: "asan", distro: "debian", release: "12", tier: "latest" },
|
||||
{ os: "linux", arch: "aarch64", distro: "ubuntu", release: "25.04", tier: "latest" },
|
||||
{ os: "linux", arch: "aarch64", distro: "ubuntu", release: "24.04", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", distro: "ubuntu", release: "25.04", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", distro: "ubuntu", release: "24.04", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", baseline: true, distro: "ubuntu", release: "25.04", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", baseline: true, distro: "ubuntu", release: "24.04", tier: "latest" },
|
||||
{ os: "linux", arch: "aarch64", abi: "musl", distro: "alpine", release: "3.22", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", abi: "musl", distro: "alpine", release: "3.22", tier: "latest" },
|
||||
{ os: "linux", arch: "x64", abi: "musl", baseline: true, distro: "alpine", release: "3.22", tier: "latest" },
|
||||
@@ -222,7 +223,7 @@ function getImageName(platform, options) {
|
||||
* @param {number} [limit]
|
||||
* @link https://buildkite.com/docs/pipelines/command-step#retry-attributes
|
||||
*/
|
||||
function getRetry() {
|
||||
function getRetry(limit = 0) {
|
||||
return {
|
||||
manual: {
|
||||
permit_on_passed: true,
|
||||
@@ -291,7 +292,7 @@ function getEc2Agent(platform, options, ec2Options) {
|
||||
* @returns {string}
|
||||
*/
|
||||
function getCppAgent(platform, options) {
|
||||
const { os, arch } = platform;
|
||||
const { os, arch, distro } = platform;
|
||||
|
||||
if (os === "darwin") {
|
||||
return {
|
||||
@@ -312,7 +313,7 @@ function getCppAgent(platform, options) {
|
||||
* @returns {string}
|
||||
*/
|
||||
function getLinkBunAgent(platform, options) {
|
||||
const { os, arch } = platform;
|
||||
const { os, arch, distro } = platform;
|
||||
|
||||
if (os === "darwin") {
|
||||
return {
|
||||
@@ -351,7 +352,14 @@ function getZigPlatform() {
|
||||
* @param {PipelineOptions} options
|
||||
* @returns {Agent}
|
||||
*/
|
||||
function getZigAgent(_platform, options) {
|
||||
function getZigAgent(platform, options) {
|
||||
const { arch } = platform;
|
||||
|
||||
// Uncomment to restore to using macOS on-prem for Zig.
|
||||
// return {
|
||||
// queue: "build-zig",
|
||||
// };
|
||||
|
||||
return getEc2Agent(getZigPlatform(), options, {
|
||||
instanceType: "r8g.large",
|
||||
});
|
||||
@@ -453,6 +461,23 @@ function getBuildCommand(target, options, label) {
|
||||
return `bun run build:${buildProfile}`;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Platform} platform
|
||||
* @param {PipelineOptions} options
|
||||
* @returns {Step}
|
||||
*/
|
||||
function getBuildVendorStep(platform, options) {
|
||||
return {
|
||||
key: `${getTargetKey(platform)}-build-vendor`,
|
||||
label: `${getTargetLabel(platform)} - build-vendor`,
|
||||
agents: getCppAgent(platform, options),
|
||||
retry: getRetry(),
|
||||
cancel_on_build_failing: isMergeQueue(),
|
||||
env: getBuildEnv(platform, options),
|
||||
command: `${getBuildCommand(platform, options)} --target dependencies`,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Platform} platform
|
||||
* @param {PipelineOptions} options
|
||||
@@ -502,9 +527,9 @@ function getBuildZigStep(platform, options) {
|
||||
const toolchain = getBuildToolchain(platform);
|
||||
return {
|
||||
key: `${getTargetKey(platform)}-build-zig`,
|
||||
retry: getRetry(),
|
||||
label: `${getTargetLabel(platform)} - build-zig`,
|
||||
agents: getZigAgent(platform, options),
|
||||
retry: getRetry(),
|
||||
cancel_on_build_failing: isMergeQueue(),
|
||||
env: getBuildEnv(platform, options),
|
||||
command: `${getBuildCommand(platform, options)} --target bun-zig --toolchain ${toolchain}`,
|
||||
@@ -554,6 +579,7 @@ function getBuildBunStep(platform, options) {
|
||||
/**
|
||||
* @typedef {Object} TestOptions
|
||||
* @property {string} [buildId]
|
||||
* @property {boolean} [unifiedTests]
|
||||
* @property {string[]} [testFiles]
|
||||
* @property {boolean} [dryRun]
|
||||
*/
|
||||
@@ -566,13 +592,12 @@ function getBuildBunStep(platform, options) {
|
||||
*/
|
||||
function getTestBunStep(platform, options, testOptions = {}) {
|
||||
const { os, profile } = platform;
|
||||
const { buildId, testFiles } = testOptions;
|
||||
const { buildId, unifiedTests, testFiles } = testOptions;
|
||||
|
||||
const args = [`--step=${getTargetKey(platform)}-build-bun`];
|
||||
if (buildId) {
|
||||
args.push(`--build-id=${buildId}`);
|
||||
}
|
||||
|
||||
if (testFiles) {
|
||||
args.push(...testFiles.map(testFile => `--include=${testFile}`));
|
||||
}
|
||||
@@ -589,7 +614,7 @@ function getTestBunStep(platform, options, testOptions = {}) {
|
||||
agents: getTestAgent(platform, options),
|
||||
retry: getRetry(),
|
||||
cancel_on_build_failing: isMergeQueue(),
|
||||
parallelism: os === "darwin" ? 2 : 10,
|
||||
parallelism: unifiedTests ? undefined : os === "darwin" ? 2 : 10,
|
||||
timeout_in_minutes: profile === "asan" || os === "windows" ? 45 : 30,
|
||||
env: {
|
||||
ASAN_OPTIONS: "allow_user_segv_handler=1:disable_coredump=0:detect_leaks=0",
|
||||
@@ -658,7 +683,7 @@ function getReleaseStep(buildPlatforms, options) {
|
||||
agents: {
|
||||
queue: "test-darwin",
|
||||
},
|
||||
depends_on: buildPlatforms.filter(p => p.os !== "freebsd").map(platform => `${getTargetKey(platform)}-build-bun`),
|
||||
depends_on: buildPlatforms.map(platform => `${getTargetKey(platform)}-build-bun`),
|
||||
env: {
|
||||
CANARY: revision,
|
||||
},
|
||||
@@ -771,6 +796,8 @@ function getBenchmarkStep() {
|
||||
* @property {Platform[]} [buildPlatforms]
|
||||
* @property {Platform[]} [testPlatforms]
|
||||
* @property {string[]} [testFiles]
|
||||
* @property {boolean} [unifiedBuilds]
|
||||
* @property {boolean} [unifiedTests]
|
||||
*/
|
||||
|
||||
/**
|
||||
@@ -941,6 +968,22 @@ function getOptionsStep() {
|
||||
default: "false",
|
||||
options: booleanOptions,
|
||||
},
|
||||
{
|
||||
key: "unified-builds",
|
||||
select: "Do you want to build each platform in a single step?",
|
||||
hint: "If true, builds will not be split into separate steps (this will likely slow down the build)",
|
||||
required: false,
|
||||
default: "false",
|
||||
options: booleanOptions,
|
||||
},
|
||||
{
|
||||
key: "unified-tests",
|
||||
select: "Do you want to run tests in a single step?",
|
||||
hint: "If true, tests will not be split into separate steps (this will be very slow)",
|
||||
required: false,
|
||||
default: "false",
|
||||
options: booleanOptions,
|
||||
},
|
||||
],
|
||||
};
|
||||
}
|
||||
@@ -1006,6 +1049,8 @@ async function getPipelineOptions() {
|
||||
buildImages: parseBoolean(options["build-images"]),
|
||||
publishImages: parseBoolean(options["publish-images"]),
|
||||
testFiles: parseArray(options["test-files"]),
|
||||
unifiedBuilds: parseBoolean(options["unified-builds"]),
|
||||
unifiedTests: parseBoolean(options["unified-tests"]),
|
||||
buildPlatforms: buildPlatformKeys?.length
|
||||
? buildPlatformKeys.flatMap(key => buildProfiles.map(profile => ({ ...buildPlatformsMap.get(key), profile })))
|
||||
: Array.from(buildPlatformsMap.values()),
|
||||
@@ -1071,7 +1116,7 @@ async function getPipeline(options = {}) {
|
||||
const imagePlatforms = new Map(
|
||||
buildImages || publishImages
|
||||
? [...buildPlatforms, ...testPlatforms]
|
||||
.filter(({ os }) => os !== "darwin")
|
||||
.filter(({ os }) => os === "linux" || os === "windows")
|
||||
.map(platform => [getImageKey(platform), platform])
|
||||
: [],
|
||||
);
|
||||
@@ -1087,7 +1132,7 @@ async function getPipeline(options = {}) {
|
||||
});
|
||||
}
|
||||
|
||||
let { skipBuilds, forceBuilds, dryRun } = options;
|
||||
let { skipBuilds, forceBuilds, unifiedBuilds, dryRun } = options;
|
||||
dryRun = dryRun || !!buildImages;
|
||||
|
||||
/** @type {string | undefined} */
|
||||
@@ -1105,13 +1150,10 @@ async function getPipeline(options = {}) {
|
||||
const includeASAN = !isMainBranch();
|
||||
|
||||
if (!buildId) {
|
||||
let relevantBuildPlatforms = includeASAN
|
||||
const relevantBuildPlatforms = includeASAN
|
||||
? buildPlatforms
|
||||
: buildPlatforms.filter(({ profile }) => profile !== "asan");
|
||||
|
||||
// run build-image but no build-bun yet
|
||||
relevantBuildPlatforms = relevantBuildPlatforms.filter(({ os }) => os !== "freebsd");
|
||||
|
||||
steps.push(
|
||||
...relevantBuildPlatforms.map(target => {
|
||||
const imageKey = getImageKey(target);
|
||||
@@ -1121,16 +1163,13 @@ async function getPipeline(options = {}) {
|
||||
dependsOn.push(`${imageKey}-build-image`);
|
||||
}
|
||||
|
||||
const steps = [];
|
||||
steps.push(getBuildCppStep(target, options));
|
||||
steps.push(getBuildZigStep(target, options));
|
||||
steps.push(getLinkBunStep(target, options));
|
||||
|
||||
return getStepWithDependsOn(
|
||||
{
|
||||
key: getTargetKey(target),
|
||||
group: getTargetLabel(target),
|
||||
steps,
|
||||
steps: unifiedBuilds
|
||||
? [getBuildBunStep(target, options)]
|
||||
: [getBuildCppStep(target, options), getBuildZigStep(target, options), getLinkBunStep(target, options)],
|
||||
},
|
||||
...dependsOn,
|
||||
);
|
||||
@@ -1139,13 +1178,13 @@ async function getPipeline(options = {}) {
|
||||
}
|
||||
|
||||
if (!isMainBranch()) {
|
||||
const { skipTests, forceTests, testFiles } = options;
|
||||
const { skipTests, forceTests, unifiedTests, testFiles } = options;
|
||||
if (!skipTests || forceTests) {
|
||||
steps.push(
|
||||
...testPlatforms.map(target => ({
|
||||
key: getTargetKey(target),
|
||||
group: getTargetLabel(target),
|
||||
steps: [getTestBunStep(target, options, { testFiles, buildId })],
|
||||
steps: [getTestBunStep(target, options, { unifiedTests, testFiles, buildId })],
|
||||
})),
|
||||
);
|
||||
}
|
||||
@@ -1188,43 +1227,6 @@ async function main() {
|
||||
console.log("Generated options:", options);
|
||||
}
|
||||
|
||||
startGroup("Querying GitHub for files...");
|
||||
if (options && isBuildkite && !isMainBranch()) {
|
||||
/** @type {string[]} */
|
||||
let allFiles = [];
|
||||
/** @type {string[]} */
|
||||
let newFiles = [];
|
||||
let prFileCount = 0;
|
||||
try {
|
||||
console.log("on buildkite: collecting new files from PR");
|
||||
const per_page = 50;
|
||||
const { BUILDKITE_PULL_REQUEST } = process.env;
|
||||
for (let i = 1; i <= 10; i++) {
|
||||
const res = await fetch(
|
||||
`https://api.github.com/repos/oven-sh/bun/pulls/${BUILDKITE_PULL_REQUEST}/files?per_page=${per_page}&page=${i}`,
|
||||
{ headers: { Authorization: `Bearer ${getSecret("GITHUB_TOKEN")}` } },
|
||||
);
|
||||
const doc = await res.json();
|
||||
console.log(`-> page ${i}, found ${doc.length} items`);
|
||||
if (doc.length === 0) break;
|
||||
for (const { filename, status } of doc) {
|
||||
prFileCount += 1;
|
||||
allFiles.push(filename);
|
||||
if (status !== "added") continue;
|
||||
newFiles.push(filename);
|
||||
}
|
||||
if (doc.length < per_page) break;
|
||||
}
|
||||
console.log(`- PR ${BUILDKITE_PULL_REQUEST}, ${prFileCount} files, ${newFiles.length} new files`);
|
||||
} catch (e) {
|
||||
console.error(e);
|
||||
}
|
||||
if (allFiles.every(filename => filename.startsWith("docs/"))) {
|
||||
console.log(`- PR is only docs, skipping tests!`);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
startGroup("Generating pipeline...");
|
||||
const pipeline = await getPipeline(options);
|
||||
if (!pipeline) {
|
||||
|
||||
147
.coderabbit.yaml
147
.coderabbit.yaml
@@ -1,147 +0,0 @@
|
||||
language: en-US
|
||||
|
||||
issue_enrichment:
|
||||
auto_enrich:
|
||||
enabled: false
|
||||
|
||||
reviews:
|
||||
profile: assertive
|
||||
request_changes_workflow: false
|
||||
high_level_summary: false
|
||||
high_level_summary_placeholder: "@coderabbitai summary"
|
||||
high_level_summary_in_walkthrough: true
|
||||
auto_title_placeholder: "@coderabbitai"
|
||||
review_status: false
|
||||
commit_status: false
|
||||
fail_commit_status: false
|
||||
collapse_walkthrough: false
|
||||
changed_files_summary: true
|
||||
sequence_diagrams: false
|
||||
estimate_code_review_effort: false
|
||||
assess_linked_issues: true
|
||||
related_issues: true
|
||||
related_prs: true
|
||||
suggested_labels: false
|
||||
suggested_reviewers: true
|
||||
in_progress_fortune: false
|
||||
poem: false
|
||||
abort_on_close: true
|
||||
|
||||
path_filters:
|
||||
- "!test/js/node/test/"
|
||||
|
||||
auto_review:
|
||||
enabled: true
|
||||
auto_incremental_review: true
|
||||
drafts: false
|
||||
|
||||
finishing_touches:
|
||||
docstrings:
|
||||
enabled: false
|
||||
unit_tests:
|
||||
enabled: false
|
||||
|
||||
pre_merge_checks:
|
||||
docstrings:
|
||||
mode: off
|
||||
title:
|
||||
mode: warning
|
||||
description:
|
||||
mode: warning
|
||||
issue_assessment:
|
||||
mode: warning
|
||||
|
||||
tools:
|
||||
shellcheck:
|
||||
enabled: true
|
||||
ruff:
|
||||
enabled: true
|
||||
markdownlint:
|
||||
enabled: true
|
||||
github-checks:
|
||||
enabled: true
|
||||
timeout_ms: 90000
|
||||
languagetool:
|
||||
enabled: true
|
||||
enabled_only: false
|
||||
level: default
|
||||
biome:
|
||||
enabled: true
|
||||
hadolint:
|
||||
enabled: true
|
||||
swiftlint:
|
||||
enabled: true
|
||||
phpstan:
|
||||
enabled: true
|
||||
level: default
|
||||
phpmd:
|
||||
enabled: true
|
||||
phpcs:
|
||||
enabled: true
|
||||
golangci-lint:
|
||||
enabled: true
|
||||
yamllint:
|
||||
enabled: true
|
||||
gitleaks:
|
||||
enabled: true
|
||||
checkov:
|
||||
enabled: true
|
||||
detekt:
|
||||
enabled: true
|
||||
eslint:
|
||||
enabled: true
|
||||
flake8:
|
||||
enabled: true
|
||||
rubocop:
|
||||
enabled: true
|
||||
buf:
|
||||
enabled: true
|
||||
regal:
|
||||
enabled: true
|
||||
actionlint:
|
||||
enabled: true
|
||||
pmd:
|
||||
enabled: true
|
||||
clang:
|
||||
enabled: true
|
||||
cppcheck:
|
||||
enabled: true
|
||||
semgrep:
|
||||
enabled: true
|
||||
circleci:
|
||||
enabled: true
|
||||
clippy:
|
||||
enabled: true
|
||||
sqlfluff:
|
||||
enabled: true
|
||||
prismaLint:
|
||||
enabled: true
|
||||
pylint:
|
||||
enabled: true
|
||||
oxc:
|
||||
enabled: true
|
||||
shopifyThemeCheck:
|
||||
enabled: true
|
||||
luacheck:
|
||||
enabled: true
|
||||
brakeman:
|
||||
enabled: true
|
||||
dotenvLint:
|
||||
enabled: true
|
||||
htmlhint:
|
||||
enabled: true
|
||||
checkmake:
|
||||
enabled: true
|
||||
osvScanner:
|
||||
enabled: true
|
||||
|
||||
chat:
|
||||
auto_reply: true
|
||||
|
||||
knowledge_base:
|
||||
opt_out: false
|
||||
code_guidelines:
|
||||
enabled: true
|
||||
filePatterns:
|
||||
- "**/.cursor/rules/*.mdc"
|
||||
- "**/CLAUDE.md"
|
||||
1
.gitattributes
vendored
1
.gitattributes
vendored
@@ -16,7 +16,6 @@
|
||||
*.map text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
|
||||
*.md text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
|
||||
*.mdc text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
|
||||
*.mdx text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
|
||||
*.mjs text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
|
||||
*.mts text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
|
||||
|
||||
|
||||
66
.github/workflows/claude.yml
vendored
Normal file
66
.github/workflows/claude.yml
vendored
Normal file
@@ -0,0 +1,66 @@
|
||||
name: Claude Code
|
||||
|
||||
on:
|
||||
issue_comment:
|
||||
types: [created]
|
||||
pull_request_review_comment:
|
||||
types: [created]
|
||||
issues:
|
||||
types: [opened, assigned]
|
||||
pull_request_review:
|
||||
types: [submitted]
|
||||
|
||||
jobs:
|
||||
claude:
|
||||
if: |
|
||||
github.repository == 'oven-sh/bun' &&
|
||||
(
|
||||
(github.event_name == 'issue_comment' && (github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER' || github.event.comment.author_association == 'COLLABORATOR')) ||
|
||||
(github.event_name == 'pull_request_review_comment' && (github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER' || github.event.comment.author_association == 'COLLABORATOR')) ||
|
||||
(github.event_name == 'pull_request_review' && (github.event.review.author_association == 'MEMBER' || github.event.review.author_association == 'OWNER' || github.event.review.author_association == 'COLLABORATOR')) ||
|
||||
(github.event_name == 'issues' && (github.event.issue.author_association == 'MEMBER' || github.event.issue.author_association == 'OWNER' || github.event.issue.author_association == 'COLLABORATOR'))
|
||||
) &&
|
||||
(github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
|
||||
(github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
|
||||
(github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
|
||||
(github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
|
||||
runs-on: claude
|
||||
env:
|
||||
IS_SANDBOX: 1
|
||||
container:
|
||||
image: localhost:5000/claude-bun:latest
|
||||
options: --privileged --user 1000:1000
|
||||
permissions:
|
||||
contents: read
|
||||
id-token: write
|
||||
steps:
|
||||
- name: Checkout repository
|
||||
working-directory: /workspace/bun
|
||||
run: |
|
||||
git config --global user.email "claude-bot@bun.sh" && \
|
||||
git config --global user.name "Claude Bot" && \
|
||||
git config --global url."git@github.com:".insteadOf "https://github.com/" && \
|
||||
git config --global url."git@github.com:".insteadOf "http://github.com/" && \
|
||||
git config --global --add safe.directory /workspace/bun && \
|
||||
git config --global push.default current && \
|
||||
git config --global pull.rebase true && \
|
||||
git config --global init.defaultBranch main && \
|
||||
git config --global core.editor "vim" && \
|
||||
git config --global color.ui auto && \
|
||||
git config --global fetch.prune true && \
|
||||
git config --global diff.colorMoved zebra && \
|
||||
git config --global merge.conflictStyle diff3 && \
|
||||
git config --global rerere.enabled true && \
|
||||
git config --global core.autocrlf input
|
||||
git fetch origin ${{ github.event.pull_request.head.sha }}
|
||||
git checkout ${{ github.event.pull_request.head.ref }}
|
||||
git reset --hard origin/${{ github.event.pull_request.head.ref }}
|
||||
- name: Run Claude Code
|
||||
id: claude
|
||||
uses: anthropics/claude-code-action@v1
|
||||
with:
|
||||
timeout_minutes: "180"
|
||||
claude_args: |
|
||||
--dangerously-skip-permissions
|
||||
--system-prompt "You are working on the Bun codebase"
|
||||
claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
|
||||
58
.github/workflows/codex-test-sync.yml
vendored
Normal file
58
.github/workflows/codex-test-sync.yml
vendored
Normal file
@@ -0,0 +1,58 @@
|
||||
name: Codex Test Sync
|
||||
|
||||
on:
|
||||
pull_request:
|
||||
types: [labeled, opened]
|
||||
|
||||
env:
|
||||
BUN_VERSION: "1.2.15"
|
||||
|
||||
jobs:
|
||||
sync-node-tests:
|
||||
runs-on: ubuntu-latest
|
||||
if: |
|
||||
(github.event.action == 'labeled' && github.event.label.name == 'codex') ||
|
||||
(github.event.action == 'opened' && contains(github.event.pull_request.labels.*.name, 'codex')) ||
|
||||
contains(github.head_ref, 'codex')
|
||||
permissions:
|
||||
contents: write
|
||||
pull-requests: write
|
||||
steps:
|
||||
- name: Checkout
|
||||
uses: actions/checkout@v4
|
||||
with:
|
||||
token: ${{ secrets.GITHUB_TOKEN }}
|
||||
fetch-depth: 0
|
||||
|
||||
- name: Setup Bun
|
||||
uses: ./.github/actions/setup-bun
|
||||
with:
|
||||
bun-version: ${{ env.BUN_VERSION }}
|
||||
|
||||
- name: Get changed files
|
||||
id: changed-files
|
||||
uses: tj-actions/changed-files@v44
|
||||
with:
|
||||
files: |
|
||||
test/js/node/test/parallel/**/*.{js,mjs,ts}
|
||||
test/js/node/test/sequential/**/*.{js,mjs,ts}
|
||||
|
||||
- name: Sync tests
|
||||
if: steps.changed-files.outputs.any_changed == 'true'
|
||||
shell: bash
|
||||
run: |
|
||||
echo "Changed test files:"
|
||||
echo "${{ steps.changed-files.outputs.all_changed_files }}"
|
||||
|
||||
# Process each changed test file
|
||||
for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
|
||||
# Extract test name from file path
|
||||
test_name=$(basename "$file" | sed 's/\.[^.]*$//')
|
||||
echo "Syncing test: $test_name"
|
||||
bun node:test:cp "$test_name"
|
||||
done
|
||||
|
||||
- name: Commit changes
|
||||
uses: stefanzweifel/git-auto-commit-action@v5
|
||||
with:
|
||||
commit_message: "Sync Node.js tests with upstream"
|
||||
24
.github/workflows/docs.yml
vendored
Normal file
24
.github/workflows/docs.yml
vendored
Normal file
@@ -0,0 +1,24 @@
|
||||
name: Docs
|
||||
|
||||
on:
|
||||
push:
|
||||
paths:
|
||||
- "docs/**"
|
||||
- "packages/bun-types/**.d.ts"
|
||||
- "CONTRIBUTING.md"
|
||||
- "src/cli/install.sh"
|
||||
- "src/cli/install.ps1"
|
||||
branches:
|
||||
- main
|
||||
|
||||
jobs:
|
||||
deploy:
|
||||
name: Deploy
|
||||
runs-on: ubuntu-latest
|
||||
if: ${{ github.repository_owner == 'oven-sh' }}
|
||||
steps:
|
||||
# redeploy Vercel site when a file in `docs` changes
|
||||
# using VERCEL_DEPLOY_HOOK environment variable
|
||||
- name: Trigger Webhook
|
||||
run: |
|
||||
curl -v ${{ secrets.VERCEL_DEPLOY_HOOK }}
|
||||
2
.github/workflows/format.yml
vendored
2
.github/workflows/format.yml
vendored
@@ -9,7 +9,7 @@ on:
|
||||
pull_request:
|
||||
merge_group:
|
||||
env:
|
||||
BUN_VERSION: "1.3.2"
|
||||
BUN_VERSION: "1.2.20"
|
||||
LLVM_VERSION: "19.1.7"
|
||||
LLVM_VERSION_MAJOR: "19"
|
||||
|
||||
|
||||
19
.github/workflows/typos.yml
vendored
Normal file
19
.github/workflows/typos.yml
vendored
Normal file
@@ -0,0 +1,19 @@
|
||||
name: Typos
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- main
|
||||
pull_request:
|
||||
branches:
|
||||
- main
|
||||
|
||||
jobs:
|
||||
docs:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
- uses: actions/checkout@v4
|
||||
- name: Spellcheck
|
||||
uses: crate-ci/typos@v1.29.4
|
||||
with:
|
||||
files: docs/**/*
|
||||
@@ -7,8 +7,4 @@ src/react-refresh.js
|
||||
*.min.js
|
||||
test/snippets
|
||||
test/js/node/test
|
||||
test/napi/node-napi-tests
|
||||
bun.lock
|
||||
|
||||
# the output codeblocks need to stay minified
|
||||
docs/bundler/minifier.mdx
|
||||
|
||||
16
.vscode/settings.json
vendored
16
.vscode/settings.json
vendored
@@ -27,22 +27,18 @@
|
||||
"git.ignoreLimitWarning": true,
|
||||
|
||||
// Zig
|
||||
// "zig.initialSetupDone": true,
|
||||
// "zig.buildOption": "build",
|
||||
"zig.initialSetupDone": true,
|
||||
"zig.buildOption": "build",
|
||||
"zig.zls.zigLibPath": "${workspaceFolder}/vendor/zig/lib",
|
||||
"zig.buildOnSaveArgs": [
|
||||
"-Dgenerated-code=./build/debug/codegen",
|
||||
"--watch",
|
||||
"-fincremental"
|
||||
],
|
||||
// "zig.zls.buildOnSaveStep": "check",
|
||||
"zig.buildArgs": ["-Dgenerated-code=./build/debug/codegen", "--watch", "-fincremental"],
|
||||
"zig.zls.buildOnSaveStep": "check",
|
||||
// "zig.zls.enableBuildOnSave": true,
|
||||
// "zig.buildOnSave": true,
|
||||
// "zig.buildFilePath": "${workspaceFolder}/build.zig",
|
||||
"zig.buildFilePath": "${workspaceFolder}/build.zig",
|
||||
"zig.path": "${workspaceFolder}/vendor/zig/zig.exe",
|
||||
"zig.zls.path": "${workspaceFolder}/vendor/zig/zls.exe",
|
||||
"zig.formattingProvider": "zls",
|
||||
// "zig.zls.enableInlayHints": false,
|
||||
"zig.zls.enableInlayHints": false,
|
||||
"[zig]": {
|
||||
"editor.tabSize": 4,
|
||||
"editor.useTabStops": false,
|
||||
|
||||
30
CLAUDE.md
30
CLAUDE.md
@@ -6,7 +6,7 @@ This is the Bun repository - an all-in-one JavaScript runtime & toolkit designed
|
||||
|
||||
- **Build Bun**: `bun bd`
|
||||
- Creates a debug build at `./build/debug/bun-debug`
|
||||
- **CRITICAL**: do not set a timeout when running `bun bd`
|
||||
- **CRITICAL**: no need for a timeout, the build is really fast!
|
||||
- **Run tests with your debug build**: `bun bd test <test-file>`
|
||||
- **CRITICAL**: Never use `bun test` directly - it won't include your changes
|
||||
- **Run any command with debug build**: `bun bd <command>`
|
||||
@@ -38,36 +38,16 @@ If no valid issue number is provided, find the best existing file to modify inst
|
||||
|
||||
### Writing Tests
|
||||
|
||||
Tests use Bun's Jest-compatible test runner with proper test fixtures.
|
||||
|
||||
- For **single-file tests**, prefer `-e` over `tempDir`.
|
||||
- For **multi-file tests**, prefer `tempDir` and `Bun.spawn`.
|
||||
Tests use Bun's Jest-compatible test runner with proper test fixtures:
|
||||
|
||||
```typescript
|
||||
import { test, expect } from "bun:test";
|
||||
import { bunEnv, bunExe, normalizeBunSnapshot, tempDir } from "harness";
|
||||
|
||||
test("(single-file test) my feature", async () => {
|
||||
await using proc = Bun.spawn({
|
||||
cmd: [bunExe(), "-e", "console.log('Hello, world!')"],
|
||||
env: bunEnv,
|
||||
});
|
||||
|
||||
const [stdout, stderr, exitCode] = await Promise.all([
|
||||
proc.stdout.text(),
|
||||
proc.stderr.text(),
|
||||
proc.exited,
|
||||
]);
|
||||
|
||||
expect(normalizeBunSnapshot(stdout)).toMatchInlineSnapshot(`"Hello, world!"`);
|
||||
expect(exitCode).toBe(0);
|
||||
});
|
||||
|
||||
test("(multi-file test) my feature", async () => {
|
||||
test("my feature", async () => {
|
||||
// Create temp directory with test files
|
||||
using dir = tempDir("test-prefix", {
|
||||
"index.js": `import { foo } from "./foo.ts"; foo();`,
|
||||
"foo.ts": `export function foo() { console.log("foo"); }`,
|
||||
"index.js": `console.log("hello");`,
|
||||
});
|
||||
|
||||
// Spawn Bun process
|
||||
@@ -94,7 +74,7 @@ test("(multi-file test) my feature", async () => {
|
||||
|
||||
- Always use `port: 0`. Do not hardcode ports. Do not use your own random port number function.
|
||||
- Use `normalizeBunSnapshot` to normalize snapshot output of the test.
|
||||
- NEVER write tests that check for no "panic" or "uncaught exception" or similar in the test output. These tests will never fail in CI.
|
||||
- NEVER write tests that check for no "panic" or "uncaught exception" or similar in the test output. That is NOT a valid test.
|
||||
- Use `tempDir` from `"harness"` to create a temporary directory. **Do not** use `tmpdirSync` or `fs.mkdtempSync` to create temporary directories.
|
||||
- When spawning processes, tests should expect(stdout).toBe(...) BEFORE expect(exitCode).toBe(0). This gives you a more useful error message on test failure.
|
||||
- **CRITICAL**: Do not write flaky tests. Do not use `setTimeout` in tests. Instead, `await` the condition to be met. You are not testing the TIME PASSING, you are testing the CONDITION.
|
||||
|
||||
@@ -24,6 +24,7 @@ if(CMAKE_HOST_APPLE)
|
||||
include(SetupMacSDK)
|
||||
endif()
|
||||
include(SetupLLVM)
|
||||
include(SetupCcache)
|
||||
|
||||
# --- Project ---
|
||||
|
||||
@@ -47,16 +48,6 @@ include(SetupEsbuild)
|
||||
include(SetupZig)
|
||||
include(SetupRust)
|
||||
|
||||
find_program(SCCACHE_PROGRAM sccache)
|
||||
if(SCCACHE_PROGRAM AND NOT DEFINED ENV{NO_SCCACHE})
|
||||
include(SetupSccache)
|
||||
else()
|
||||
find_program(CCACHE_PROGRAM ccache)
|
||||
if(CCACHE_PROGRAM)
|
||||
include(SetupCcache)
|
||||
endif()
|
||||
endif()
|
||||
|
||||
# Generate dependency versions header
|
||||
include(GenerateDependencyVersions)
|
||||
|
||||
|
||||
@@ -23,19 +23,19 @@ Using your system's package manager, install Bun's dependencies:
|
||||
{% codetabs group="os" %}
|
||||
|
||||
```bash#macOS (Homebrew)
|
||||
$ brew install automake cmake coreutils gnu-sed go icu4c libiconv libtool ninja pkg-config rust ruby sccache
|
||||
$ brew install automake ccache cmake coreutils gnu-sed go icu4c libiconv libtool ninja pkg-config rust ruby
|
||||
```
|
||||
|
||||
```bash#Ubuntu/Debian
|
||||
$ sudo apt install curl wget lsb-release software-properties-common cargo cmake git golang libtool ninja-build pkg-config rustc ruby-full xz-utils
|
||||
$ sudo apt install curl wget lsb-release software-properties-common cargo ccache cmake git golang libtool ninja-build pkg-config rustc ruby-full xz-utils
|
||||
```
|
||||
|
||||
```bash#Arch
|
||||
$ sudo pacman -S base-devel cmake git go libiconv libtool make ninja pkg-config python rust sed unzip ruby
|
||||
$ sudo pacman -S base-devel ccache cmake git go libiconv libtool make ninja pkg-config python rust sed unzip ruby
|
||||
```
|
||||
|
||||
```bash#Fedora
|
||||
$ sudo dnf install cargo clang19 llvm19 lld19 cmake git golang libtool ninja-build pkg-config rustc ruby libatomic-static libstdc++-static sed unzip which libicu-devel 'perl(Math::BigInt)'
|
||||
$ sudo dnf install cargo clang19 llvm19 lld19 ccache cmake git golang libtool ninja-build pkg-config rustc ruby libatomic-static libstdc++-static sed unzip which libicu-devel 'perl(Math::BigInt)'
|
||||
```
|
||||
|
||||
```bash#openSUSE Tumbleweed
|
||||
@@ -65,44 +65,6 @@ $ brew install bun
|
||||
|
||||
{% /codetabs %}
|
||||
|
||||
### Optional: Install `sccache`
|
||||
|
||||
sccache is used to cache compilation artifacts, significantly speeding up builds. It must be installed with S3 support:
|
||||
|
||||
```bash
|
||||
# For macOS
|
||||
$ brew install sccache
|
||||
|
||||
# For Linux. Note that the version in your package manager may not have S3 support.
|
||||
$ cargo install sccache --features=s3
|
||||
```
|
||||
|
||||
This will install `sccache` with S3 support. Our build scripts will automatically detect and use `sccache` with our shared S3 cache. **Note**: Not all versions of `sccache` are compiled with S3 support, hence we recommend installing it via `cargo`.
|
||||
|
||||
#### Registering AWS Credentials for `sccache` (Core Developers Only)
|
||||
|
||||
Core developers have write access to the shared S3 cache. To enable write access, you must log in with AWS credentials. The easiest way to do this is to use the [`aws` CLI](https://aws.amazon.com/cli/) and invoke [`aws configure` to provide your AWS security info](https://docs.aws.amazon.com/cli/latest/reference/configure/).
|
||||
|
||||
The `cmake` scripts should automatically detect your AWS credentials from the environment or the `~/.aws/credentials` file.
|
||||
|
||||
<details>
|
||||
<summary>Logging in to the `aws` CLI</summary>
|
||||
|
||||
1. Install the AWS CLI by following [the official guide](https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html).
|
||||
2. Log in to your AWS account console. A team member should provide you with your credentials.
|
||||
3. Click your name in the top right > Security credentials.
|
||||
4. Scroll to "Access keys" and create a new access key.
|
||||
5. Run `aws configure` in your terminal and provide the access key ID and secret access key when prompted.
|
||||
</details>
|
||||
|
||||
<details>
|
||||
<summary>Common Issues You May Encounter</summary>
|
||||
|
||||
- To confirm that the cache is being used, you can use the `sccache --show-stats` command right after a build. This will expose very useful statistics, including cache hits/misses.
|
||||
- If you have multiple AWS profiles configured, ensure that the correct profile is set in the `AWS_PROFILE` environment variable.
|
||||
- `sccache` follows a server-client model. If you run into weird issues where `sccache` refuses to use S3, even though you have AWS credentials configured, try killing any running `sccache` servers with `sccache --stop-server` and then re-running the build.
|
||||
</details>
|
||||
|
||||
## Install LLVM
|
||||
|
||||
Bun requires LLVM 19 (`clang` is part of LLVM). This version requirement is to match WebKit (precompiled), as mismatching versions will cause memory allocation failures at runtime. In most cases, you can install LLVM through your system package manager:
|
||||
@@ -201,7 +163,7 @@ Bun generally takes about 2.5 minutes to compile a debug build when there are Zi
|
||||
- Batch up your changes
|
||||
- Ensure zls is running with incremental watching for LSP errors (if you use VSCode and install Zig and run `bun run build` once to download Zig, this should just work)
|
||||
- Prefer using the debugger ("CodeLLDB" in VSCode) to step through the code.
|
||||
- Use debug logs. `BUN_DEBUG_<scope>=1` will enable debug logging for the corresponding `Output.scoped(.<scope>, .hidden)` logs. You can also set `BUN_DEBUG_QUIET_LOGS=1` to disable all debug logging that isn't explicitly enabled. To dump debug logs into a file, `BUN_DEBUG=<path-to-file>.log`. Debug logs are aggressively removed in release builds.
|
||||
- Use debug logs. `BUN_DEBUG_<scope>=1` will enable debug logging for the corresponding `Output.scoped(.<scope>, .hidden)` logs. You can also set `BUN_DEBUG_QUIET_LOGS=1` to disable all debug logging that isn't explicitly enabled. To dump debug lgos into a file, `BUN_DEBUG=<path-to-file>.log`. Debug logs are aggressively removed in release builds.
|
||||
- src/js/\*\*.ts changes are pretty much instant to rebuild. C++ changes are a bit slower, but still much faster than the Zig code (Zig is one compilation unit, C++ is many).
|
||||
|
||||
## Code generation scripts
|
||||
@@ -369,6 +331,15 @@ $ bun run build -DUSE_STATIC_LIBATOMIC=OFF
|
||||
|
||||
The built version of Bun may not work on other systems if compiled this way.
|
||||
|
||||
### ccache conflicts with building TinyCC on macOS
|
||||
|
||||
If you run into issues with `ccache` when building TinyCC, try reinstalling ccache
|
||||
|
||||
```bash
|
||||
brew uninstall ccache
|
||||
brew install ccache
|
||||
```
|
||||
|
||||
## Using bun-debug
|
||||
|
||||
- Disable logging: `BUN_DEBUG_QUIET_LOGS=1 bun-debug ...` (to disable all debug logging)
|
||||
|
||||
10
README.md
10
README.md
@@ -54,7 +54,7 @@ Bun supports Linux (x64 & arm64), macOS (x64 & Apple Silicon) and Windows (x64).
|
||||
curl -fsSL https://bun.com/install | bash
|
||||
|
||||
# on windows
|
||||
powershell -c "irm bun.sh/install.ps1 | iex"
|
||||
powershell -c "irm bun.com/install.ps1 | iex"
|
||||
|
||||
# with npm
|
||||
npm install -g bun
|
||||
@@ -104,13 +104,13 @@ bun upgrade --canary
|
||||
- [File types (Loaders)](https://bun.com/docs/runtime/loaders)
|
||||
- [TypeScript](https://bun.com/docs/runtime/typescript)
|
||||
- [JSX](https://bun.com/docs/runtime/jsx)
|
||||
- [Environment variables](https://bun.com/docs/runtime/environment-variables)
|
||||
- [Environment variables](https://bun.com/docs/runtime/env)
|
||||
- [Bun APIs](https://bun.com/docs/runtime/bun-apis)
|
||||
- [Web APIs](https://bun.com/docs/runtime/web-apis)
|
||||
- [Node.js compatibility](https://bun.com/docs/runtime/nodejs-compat)
|
||||
- [Node.js compatibility](https://bun.com/docs/runtime/nodejs-apis)
|
||||
- [Single-file executable](https://bun.com/docs/bundler/executables)
|
||||
- [Plugins](https://bun.com/docs/runtime/plugins)
|
||||
- [Watch mode / Hot Reloading](https://bun.com/docs/runtime/watch-mode)
|
||||
- [Watch mode / Hot Reloading](https://bun.com/docs/runtime/hot)
|
||||
- [Module resolution](https://bun.com/docs/runtime/modules)
|
||||
- [Auto-install](https://bun.com/docs/runtime/autoimport)
|
||||
- [bunfig.toml](https://bun.com/docs/runtime/bunfig)
|
||||
@@ -230,7 +230,7 @@ bun upgrade --canary
|
||||
|
||||
- Ecosystem
|
||||
- [Use React and JSX](https://bun.com/guides/ecosystem/react)
|
||||
- [Use Gel with Bun](https://bun.com/guides/ecosystem/gel)
|
||||
- [Use EdgeDB with Bun](https://bun.com/guides/ecosystem/edgedb)
|
||||
- [Use Prisma with Bun](https://bun.com/guides/ecosystem/prisma)
|
||||
- [Add Sentry to a Bun app](https://bun.com/guides/ecosystem/sentry)
|
||||
- [Create a Discord bot](https://bun.com/guides/ecosystem/discordjs)
|
||||
|
||||
@@ -1,6 +1,5 @@
|
||||
{
|
||||
"lockfileVersion": 1,
|
||||
"configVersion": 0,
|
||||
"workspaces": {
|
||||
"": {
|
||||
"name": "bench",
|
||||
|
||||
@@ -1,29 +1,40 @@
|
||||
# Create T3 App
|
||||
# `install` benchmark
|
||||
|
||||
This is a [T3 Stack](https://create.t3.gg/) project bootstrapped with `create-t3-app`.
|
||||
Requires [`hyperfine`](https://github.com/sharkdp/hyperfine). The goal of this benchmark is to compare installation performance of Bun with other package managers _when caches are hot_.
|
||||
|
||||
## What's next? How do I make an app with this?
|
||||
### With lockfile, online mode
|
||||
|
||||
We try to keep this project as simple as possible, so you can start with just the scaffolding we set up for you, and add additional things later when they become necessary.
|
||||
To run the benchmark with the standard "install" command for each package manager:
|
||||
|
||||
If you are not familiar with the different technologies used in this project, please refer to the respective docs. If you still are in the wind, please join our [Discord](https://t3.gg/discord) and ask for help.
|
||||
```sh
|
||||
$ hyperfine --prepare 'rm -rf node_modules' --warmup 1 --runs 3 'bun install' 'pnpm install' 'yarn' 'npm install'
|
||||
```
|
||||
|
||||
- [Next.js](https://nextjs.org)
|
||||
- [NextAuth.js](https://next-auth.js.org)
|
||||
- [Prisma](https://prisma.io)
|
||||
- [Drizzle](https://orm.drizzle.team)
|
||||
- [Tailwind CSS](https://tailwindcss.com)
|
||||
- [tRPC](https://trpc.io)
|
||||
### With lockfile, offline mode
|
||||
|
||||
## Learn More
|
||||
Even though all packages are cached, some tools may hit the npm API during the version resolution step. (This is not the same as re-downloading a package.) To entirely avoid network calls, the other package managers require `--prefer-offline/--offline` flag. To run the benchmark using "offline" mode:
|
||||
|
||||
To learn more about the [T3 Stack](https://create.t3.gg/), take a look at the following resources:
|
||||
```sh
|
||||
$ hyperfine --prepare 'rm -rf node_modules' --runs 1 'bun install' 'pnpm install --prefer-offline' 'yarn --offline' 'npm install --prefer-offline'
|
||||
```
|
||||
|
||||
- [Documentation](https://create.t3.gg/)
|
||||
- [Learn the T3 Stack](https://create.t3.gg/en/faq#what-learning-resources-are-currently-available) — Check out these awesome tutorials
|
||||
### Without lockfile, offline mode
|
||||
|
||||
You can check out the [create-t3-app GitHub repository](https://github.com/t3-oss/create-t3-app) — your feedback and contributions are welcome!
|
||||
To run the benchmark with offline mode but without lockfiles:
|
||||
|
||||
## How do I deploy this?
|
||||
```sh
|
||||
$ hyperfine --prepare 'rm -rf node_modules' --warmup 1 'rm bun.lock && bun install' 'rm pnpm-lock.yaml && pnpm install --prefer-offline' 'rm yarn.lock && yarn --offline' 'rm package-lock.json && npm install --prefer-offline'
|
||||
```
|
||||
|
||||
Follow our deployment guides for [Vercel](https://create.t3.gg/en/deployment/vercel), [Netlify](https://create.t3.gg/en/deployment/netlify) and [Docker](https://create.t3.gg/en/deployment/docker) for more information.
|
||||
##
|
||||
|
||||
To check that the app is working as expected:
|
||||
|
||||
```
|
||||
$ bun run dev
|
||||
$ npm run dev
|
||||
$ yarn dev
|
||||
$ pnpm dev
|
||||
```
|
||||
|
||||
Then visit [http://localhost:3000](http://localhost:3000).
|
||||
|
||||
18
bench/install/app/entry.client.tsx
Normal file
18
bench/install/app/entry.client.tsx
Normal file
@@ -0,0 +1,18 @@
|
||||
/**
|
||||
* By default, Remix will handle hydrating your app on the client for you.
|
||||
* You are free to delete this file if you'd like to, but if you ever want it revealed again, you can run `npx remix reveal` ✨
|
||||
* For more information, see https://remix.run/docs/en/main/file-conventions/entry.client
|
||||
*/
|
||||
|
||||
import { RemixBrowser } from "@remix-run/react";
|
||||
import { startTransition, StrictMode } from "react";
|
||||
import { hydrateRoot } from "react-dom/client";
|
||||
|
||||
startTransition(() => {
|
||||
hydrateRoot(
|
||||
document,
|
||||
<StrictMode>
|
||||
<RemixBrowser />
|
||||
</StrictMode>,
|
||||
);
|
||||
});
|
||||
101
bench/install/app/entry.server.tsx
Normal file
101
bench/install/app/entry.server.tsx
Normal file
@@ -0,0 +1,101 @@
|
||||
/**
|
||||
* By default, Remix will handle generating the HTTP Response for you.
|
||||
* You are free to delete this file if you'd like to, but if you ever want it revealed again, you can run `npx remix reveal` ✨
|
||||
* For more information, see https://remix.run/docs/en/main/file-conventions/entry.server
|
||||
*/
|
||||
|
||||
import type { EntryContext } from "@remix-run/node";
|
||||
import { Response } from "@remix-run/node";
|
||||
import { RemixServer } from "@remix-run/react";
|
||||
import isbot from "isbot";
|
||||
import { PassThrough } from "node:stream";
|
||||
import { renderToPipeableStream } from "react-dom/server";
|
||||
|
||||
const ABORT_DELAY = 5_000;
|
||||
|
||||
export default function handleRequest(
|
||||
request: Request,
|
||||
responseStatusCode: number,
|
||||
responseHeaders: Headers,
|
||||
remixContext: EntryContext,
|
||||
) {
|
||||
return isbot(request.headers.get("user-agent"))
|
||||
? handleBotRequest(request, responseStatusCode, responseHeaders, remixContext)
|
||||
: handleBrowserRequest(request, responseStatusCode, responseHeaders, remixContext);
|
||||
}
|
||||
|
||||
function handleBotRequest(
|
||||
request: Request,
|
||||
responseStatusCode: number,
|
||||
responseHeaders: Headers,
|
||||
remixContext: EntryContext,
|
||||
) {
|
||||
return new Promise((resolve, reject) => {
|
||||
const { pipe, abort } = renderToPipeableStream(
|
||||
<RemixServer context={remixContext} url={request.url} abortDelay={ABORT_DELAY} />,
|
||||
{
|
||||
onAllReady() {
|
||||
const body = new PassThrough();
|
||||
|
||||
responseHeaders.set("Content-Type", "text/html");
|
||||
|
||||
resolve(
|
||||
new Response(body, {
|
||||
headers: responseHeaders,
|
||||
status: responseStatusCode,
|
||||
}),
|
||||
);
|
||||
|
||||
pipe(body);
|
||||
},
|
||||
onShellError(error: unknown) {
|
||||
reject(error);
|
||||
},
|
||||
onError(error: unknown) {
|
||||
responseStatusCode = 500;
|
||||
console.error(error);
|
||||
},
|
||||
},
|
||||
);
|
||||
|
||||
setTimeout(abort, ABORT_DELAY);
|
||||
});
|
||||
}
|
||||
|
||||
function handleBrowserRequest(
|
||||
request: Request,
|
||||
responseStatusCode: number,
|
||||
responseHeaders: Headers,
|
||||
remixContext: EntryContext,
|
||||
) {
|
||||
return new Promise((resolve, reject) => {
|
||||
const { pipe, abort } = renderToPipeableStream(
|
||||
<RemixServer context={remixContext} url={request.url} abortDelay={ABORT_DELAY} />,
|
||||
{
|
||||
onShellReady() {
|
||||
const body = new PassThrough();
|
||||
|
||||
responseHeaders.set("Content-Type", "text/html");
|
||||
|
||||
resolve(
|
||||
new Response(body, {
|
||||
headers: responseHeaders,
|
||||
status: responseStatusCode,
|
||||
}),
|
||||
);
|
||||
|
||||
pipe(body);
|
||||
},
|
||||
onShellError(error: unknown) {
|
||||
reject(error);
|
||||
},
|
||||
onError(error: unknown) {
|
||||
console.error(error);
|
||||
responseStatusCode = 500;
|
||||
},
|
||||
},
|
||||
);
|
||||
|
||||
setTimeout(abort, ABORT_DELAY);
|
||||
});
|
||||
}
|
||||
20
bench/install/app/root.tsx
Normal file
20
bench/install/app/root.tsx
Normal file
@@ -0,0 +1,20 @@
|
||||
import { Links, LiveReload, Meta, Outlet, Scripts, ScrollRestoration } from "@remix-run/react";
|
||||
|
||||
export default function App() {
|
||||
return (
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charSet="utf-8" />
|
||||
<meta name="viewport" content="width=device-width,initial-scale=1" />
|
||||
<Meta />
|
||||
<Links />
|
||||
</head>
|
||||
<body>
|
||||
<Outlet />
|
||||
<ScrollRestoration />
|
||||
<Scripts />
|
||||
<LiveReload />
|
||||
</body>
|
||||
</html>
|
||||
);
|
||||
}
|
||||
30
bench/install/app/routes/_index.tsx
Normal file
30
bench/install/app/routes/_index.tsx
Normal file
@@ -0,0 +1,30 @@
|
||||
import type { V2_MetaFunction } from "@remix-run/node";
|
||||
|
||||
export const meta: V2_MetaFunction = () => {
|
||||
return [{ title: "New Remix App" }];
|
||||
};
|
||||
|
||||
export default function Index() {
|
||||
return (
|
||||
<div style={{ fontFamily: "system-ui, sans-serif", lineHeight: "1.4" }}>
|
||||
<h1>Welcome to Remix</h1>
|
||||
<ul>
|
||||
<li>
|
||||
<a target="_blank" href="https://remix.run/tutorials/blog" rel="noreferrer">
|
||||
15m Quickstart Blog Tutorial
|
||||
</a>
|
||||
</li>
|
||||
<li>
|
||||
<a target="_blank" href="https://remix.run/tutorials/jokes" rel="noreferrer">
|
||||
Deep Dive Jokes App Tutorial
|
||||
</a>
|
||||
</li>
|
||||
<li>
|
||||
<a target="_blank" href="https://remix.run/docs" rel="noreferrer">
|
||||
Remix Docs
|
||||
</a>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -1,479 +0,0 @@
|
||||
{
|
||||
"lockfileVersion": 1,
|
||||
"configVersion": 0,
|
||||
"workspaces": {
|
||||
"": {
|
||||
"name": "installbench",
|
||||
"dependencies": {
|
||||
"@auth/drizzle-adapter": "^1.7.2",
|
||||
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|
||||
"drizzle-kit/esbuild/@esbuild/win32-ia32": ["@esbuild/win32-ia32@0.19.12", "", { "os": "win32", "cpu": "ia32" }, "sha512-+ZOE6pUkMOJfmxmBZElNOx72NKpIa/HFOMGzu8fqzQJ5kgf6aTGrcJaFsNiVMH4JKpMipyK+7k0n2UXN7a8YKQ=="],
|
||||
|
||||
"drizzle-kit/esbuild/@esbuild/win32-x64": ["@esbuild/win32-x64@0.19.12", "", { "os": "win32", "cpu": "x64" }, "sha512-T1QyPSDCyMXaO3pzBkF96E8xMkiRYbUEZADd29SyPGabqxMViNoii+NcK7eWJAEoU6RZyEm5lVSIjTmcdoB9HA=="],
|
||||
}
|
||||
}
|
||||
5
bench/install/next-env.d.ts
vendored
5
bench/install/next-env.d.ts
vendored
@@ -1,5 +0,0 @@
|
||||
/// <reference types="next" />
|
||||
/// <reference types="next/image-types/global" />
|
||||
|
||||
// NOTE: This file should not be edited
|
||||
// see https://nextjs.org/docs/basic-features/typescript for more information.
|
||||
@@ -1,10 +0,0 @@
|
||||
/**
|
||||
* Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially useful
|
||||
* for Docker builds.
|
||||
*/
|
||||
import "./src/env.js";
|
||||
|
||||
/** @type {import("next").NextConfig} */
|
||||
const config = {};
|
||||
|
||||
export default config;
|
||||
@@ -1,52 +1,31 @@
|
||||
{
|
||||
"name": "installbench",
|
||||
"version": "0.1.0",
|
||||
"private": true,
|
||||
"type": "module",
|
||||
"sideEffects": false,
|
||||
"scripts": {
|
||||
"build": "next build",
|
||||
"check": "biome check .",
|
||||
"check:unsafe": "biome check --write --unsafe .",
|
||||
"check:write": "biome check --write .",
|
||||
"db:generate": "drizzle-kit generate",
|
||||
"db:migrate": "drizzle-kit migrate",
|
||||
"db:push": "drizzle-kit push",
|
||||
"db:studio": "drizzle-kit studio",
|
||||
"dev": "next dev --turbo",
|
||||
"preview": "next build && next start",
|
||||
"start": "next start",
|
||||
"typecheck": "tsc --noEmit"
|
||||
"build": "remix build",
|
||||
"dev": "remix dev",
|
||||
"start": "remix-serve build",
|
||||
"typecheck": "tsc",
|
||||
"clean": "rm -rf node_modules",
|
||||
"bench": "hyperfine --prepare 'rm -rf node_modules' --warmup 1 --runs 3 'bun install' 'pnpm install' 'yarn' 'npm install'"
|
||||
},
|
||||
"dependencies": {
|
||||
"@auth/drizzle-adapter": "^1.7.2",
|
||||
"@t3-oss/env-nextjs": "^0.12.0",
|
||||
"@tanstack/react-query": "^5.69.0",
|
||||
"@trpc/client": "^11.0.0",
|
||||
"@trpc/react-query": "^11.0.0",
|
||||
"@trpc/server": "^11.0.0",
|
||||
"drizzle-orm": "^0.41.0",
|
||||
"esbuild": "^0.25.11",
|
||||
"next": "^16.1.0",
|
||||
"next-auth": "5.0.0-beta.30",
|
||||
"postgres": "^3.4.4",
|
||||
"react": "^19.2.3",
|
||||
"react-dom": "^19.2.3",
|
||||
"server-only": "^0.0.1",
|
||||
"superjson": "^2.2.1",
|
||||
"zod": "^3.24.2"
|
||||
"@remix-run/node": "^1.15.0",
|
||||
"@remix-run/react": "^1.15.0",
|
||||
"@remix-run/serve": "^1.15.0",
|
||||
"isbot": "^3.6.5",
|
||||
"react": "^18.2.0",
|
||||
"react-dom": "^18.2.0"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@biomejs/biome": "1.9.4",
|
||||
"@tailwindcss/postcss": "^4.0.15",
|
||||
"@types/node": "^20.14.10",
|
||||
"@types/react": "^19.2.3",
|
||||
"@types/react-dom": "^19.2.3",
|
||||
"drizzle-kit": "^0.30.5",
|
||||
"postcss": "^8.5.3",
|
||||
"tailwindcss": "^4.0.15",
|
||||
"typescript": "^5.8.2"
|
||||
"@remix-run/dev": "^1.15.0",
|
||||
"@remix-run/eslint-config": "^1.15.0",
|
||||
"@types/react": "^18.0.25",
|
||||
"@types/react-dom": "^18.0.8",
|
||||
"eslint": "^8.27.0",
|
||||
"typescript": "^4.8.4"
|
||||
},
|
||||
"ct3aMetadata": {
|
||||
"initVersion": "7.39.3"
|
||||
"engines": {
|
||||
"node": ">=14"
|
||||
}
|
||||
}
|
||||
|
||||
BIN
bench/install/public/favicon.ico
Normal file
BIN
bench/install/public/favicon.ico
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 17 KiB |
14
bench/install/remix.config.js
Normal file
14
bench/install/remix.config.js
Normal file
@@ -0,0 +1,14 @@
|
||||
/** @type {import('@remix-run/dev').AppConfig} */
|
||||
module.exports = {
|
||||
ignoredRouteFiles: ["**/.*"],
|
||||
// appDirectory: "app",
|
||||
// assetsBuildDirectory: "public/build",
|
||||
// serverBuildPath: "build/index.js",
|
||||
// publicPath: "/build/",
|
||||
future: {
|
||||
v2_errorBoundary: true,
|
||||
v2_meta: true,
|
||||
v2_normalizeFormMethod: true,
|
||||
v2_routeConvention: true,
|
||||
},
|
||||
};
|
||||
2
bench/install/remix.env.d.ts
vendored
Normal file
2
bench/install/remix.env.d.ts
vendored
Normal file
@@ -0,0 +1,2 @@
|
||||
/// <reference types="@remix-run/dev" />
|
||||
/// <reference types="@remix-run/node" />
|
||||
22
bench/install/tsconfig.json
Normal file
22
bench/install/tsconfig.json
Normal file
@@ -0,0 +1,22 @@
|
||||
{
|
||||
"include": ["remix.env.d.ts", "**/*.ts", "**/*.tsx"],
|
||||
"compilerOptions": {
|
||||
"lib": ["DOM", "DOM.Iterable", "ES2019"],
|
||||
"isolatedModules": true,
|
||||
"esModuleInterop": true,
|
||||
"jsx": "react-jsx",
|
||||
"moduleResolution": "node",
|
||||
"resolveJsonModule": true,
|
||||
"target": "ES2019",
|
||||
"strict": true,
|
||||
"allowJs": true,
|
||||
"forceConsistentCasingInFileNames": true,
|
||||
"baseUrl": ".",
|
||||
"paths": {
|
||||
"~/*": ["./app/*"]
|
||||
},
|
||||
|
||||
// Remix takes care of building everything in `remix build`.
|
||||
"noEmit": true
|
||||
}
|
||||
}
|
||||
@@ -1,19 +1,18 @@
|
||||
{
|
||||
"lockfileVersion": 1,
|
||||
"configVersion": 0,
|
||||
"workspaces": {
|
||||
"": {
|
||||
"name": "react-hello-world",
|
||||
"dependencies": {
|
||||
"react": "^19.2.3",
|
||||
"react-dom": "^19.2.3",
|
||||
"react": "^19.2.0",
|
||||
"react-dom": "^19.2.0",
|
||||
},
|
||||
},
|
||||
},
|
||||
"packages": {
|
||||
"react": ["react@19.2.3", "", {}, "sha512-Ku/hhYbVjOQnXDZFv2+RibmLFGwFdeeKHFcOTlrt7xplBnya5OGn/hIRDsqDiSUcfORsDC7MPxwork8jBwsIWA=="],
|
||||
"react": ["react@19.2.0", "", {}, "sha512-tmbWg6W31tQLeB5cdIBOicJDJRR2KzXsV7uSK9iNfLWQ5bIZfxuPEHp7M8wiHyHnn0DD1i7w3Zmin0FtkrwoCQ=="],
|
||||
|
||||
"react-dom": ["react-dom@19.2.3", "", { "dependencies": { "scheduler": "^0.27.0" }, "peerDependencies": { "react": "^19.2.3" } }, "sha512-yELu4WmLPw5Mr/lmeEpox5rw3RETacE++JgHqQzd2dg+YbJuat3jH4ingc+WPZhxaoFzdv9y33G+F7Nl5O0GBg=="],
|
||||
"react-dom": ["react-dom@19.2.0", "", { "dependencies": { "scheduler": "^0.27.0" }, "peerDependencies": { "react": "^19.2.0" } }, "sha512-UlbRu4cAiGaIewkPyiRGJk0imDN2T3JjieT6spoL2UeSf5od4n5LB/mQ4ejmxhCFT1tYe8IvaFulzynWovsEFQ=="],
|
||||
|
||||
"scheduler": ["scheduler@0.27.0", "", {}, "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q=="],
|
||||
}
|
||||
|
||||
@@ -11,7 +11,7 @@
|
||||
"author": "Colin McDonnell",
|
||||
"license": "ISC",
|
||||
"dependencies": {
|
||||
"react": "^19.2.3",
|
||||
"react-dom": "^19.2.3"
|
||||
"react": "^19.2.0",
|
||||
"react-dom": "^19.2.0"
|
||||
}
|
||||
}
|
||||
|
||||
@@ -13,4 +13,7 @@ export function run(opts = {}) {
|
||||
}
|
||||
|
||||
export const bench = Mitata.bench;
|
||||
export const group = Mitata.group;
|
||||
|
||||
export function group(_name, fn) {
|
||||
return Mitata.group(fn);
|
||||
}
|
||||
|
||||
@@ -1,156 +0,0 @@
|
||||
import { bench, group, run } from "../runner.mjs";
|
||||
|
||||
const runAll = !process.argv.includes("--simple");
|
||||
|
||||
const small = new Uint8Array(1024);
|
||||
const medium = new Uint8Array(1024 * 100);
|
||||
const large = new Uint8Array(1024 * 1024);
|
||||
|
||||
for (let i = 0; i < large.length; i++) {
|
||||
const value = Math.floor(Math.sin(i / 100) * 128 + 128);
|
||||
if (i < small.length) small[i] = value;
|
||||
if (i < medium.length) medium[i] = value;
|
||||
large[i] = value;
|
||||
}
|
||||
|
||||
const format = new Intl.NumberFormat("en-US", { notation: "compact", unit: "byte" });
|
||||
|
||||
async function compress(data, format) {
|
||||
const cs = new CompressionStream(format);
|
||||
const writer = cs.writable.getWriter();
|
||||
const reader = cs.readable.getReader();
|
||||
|
||||
writer.write(data);
|
||||
writer.close();
|
||||
|
||||
const chunks = [];
|
||||
while (true) {
|
||||
const { done, value } = await reader.read();
|
||||
if (done) break;
|
||||
chunks.push(value);
|
||||
}
|
||||
|
||||
const result = new Uint8Array(chunks.reduce((acc, chunk) => acc + chunk.length, 0));
|
||||
let offset = 0;
|
||||
for (const chunk of chunks) {
|
||||
result.set(chunk, offset);
|
||||
offset += chunk.length;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
async function decompress(data, format) {
|
||||
const ds = new DecompressionStream(format);
|
||||
const writer = ds.writable.getWriter();
|
||||
const reader = ds.readable.getReader();
|
||||
|
||||
writer.write(data);
|
||||
writer.close();
|
||||
|
||||
const chunks = [];
|
||||
while (true) {
|
||||
const { done, value } = await reader.read();
|
||||
if (done) break;
|
||||
chunks.push(value);
|
||||
}
|
||||
|
||||
const result = new Uint8Array(chunks.reduce((acc, chunk) => acc + chunk.length, 0));
|
||||
let offset = 0;
|
||||
for (const chunk of chunks) {
|
||||
result.set(chunk, offset);
|
||||
offset += chunk.length;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
async function roundTrip(data, format) {
|
||||
const compressed = await compress(data, format);
|
||||
return await decompress(compressed, format);
|
||||
}
|
||||
|
||||
const formats = ["deflate", "gzip", "deflate-raw"];
|
||||
if (runAll) formats.push("brotli", "zstd");
|
||||
|
||||
// Small data benchmarks (1KB)
|
||||
group(`CompressionStream ${format.format(small.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
try {
|
||||
new CompressionStream(fmt);
|
||||
bench(fmt, async () => await compress(small, fmt));
|
||||
} catch (e) {
|
||||
// Skip unsupported formats
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
// Medium data benchmarks (100KB)
|
||||
group(`CompressionStream ${format.format(medium.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
try {
|
||||
new CompressionStream(fmt);
|
||||
bench(fmt, async () => await compress(medium, fmt));
|
||||
} catch (e) {}
|
||||
}
|
||||
});
|
||||
|
||||
// Large data benchmarks (1MB)
|
||||
group(`CompressionStream ${format.format(large.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
try {
|
||||
new CompressionStream(fmt);
|
||||
bench(fmt, async () => await compress(large, fmt));
|
||||
} catch (e) {
|
||||
// Skip unsupported formats
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
const compressedData = {};
|
||||
for (const fmt of formats) {
|
||||
try {
|
||||
compressedData[fmt] = {
|
||||
small: await compress(small, fmt),
|
||||
medium: await compress(medium, fmt),
|
||||
large: await compress(large, fmt),
|
||||
};
|
||||
} catch (e) {
|
||||
// Skip unsupported formats
|
||||
}
|
||||
}
|
||||
|
||||
group(`DecompressionStream ${format.format(small.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
if (compressedData[fmt]) {
|
||||
bench(fmt, async () => await decompress(compressedData[fmt].small, fmt));
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
group(`DecompressionStream ${format.format(medium.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
if (compressedData[fmt]) {
|
||||
bench(fmt, async () => await decompress(compressedData[fmt].medium, fmt));
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
group(`DecompressionStream ${format.format(large.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
if (compressedData[fmt]) {
|
||||
bench(fmt, async () => await decompress(compressedData[fmt].large, fmt));
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
group(`roundtrip ${format.format(large.length)}`, () => {
|
||||
for (const fmt of formats) {
|
||||
try {
|
||||
new CompressionStream(fmt);
|
||||
bench(fmt, async () => await roundTrip(large, fmt));
|
||||
} catch (e) {
|
||||
// Skip unsupported formats
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
await run();
|
||||
@@ -11,10 +11,10 @@ const builtin = ${JSON.stringify(builtin)};
|
||||
const now = performance.now();
|
||||
require(builtin);
|
||||
const end = performance.now();
|
||||
process.stdout.write(JSON.stringify({ builtin, time: end - now }) + "\\n");
|
||||
process.stdout.write(JSON.stringify({builtin, time: end - now}) + "\\n");
|
||||
`,
|
||||
);
|
||||
spawnSync(process.execPath, [path], {
|
||||
const result = spawnSync(typeof Bun !== "undefined" ? "bun" : "node", [path], {
|
||||
stdio: ["inherit", "inherit", "inherit"],
|
||||
env: {
|
||||
...process.env,
|
||||
|
||||
@@ -1,48 +0,0 @@
|
||||
import { bench, group, run } from "../runner.mjs";
|
||||
|
||||
const patterns = [
|
||||
{ name: "string pattern", input: "https://(sub.)?example(.com/)foo" },
|
||||
{ name: "hostname IDN", input: { hostname: "xn--caf-dma.com" } },
|
||||
{
|
||||
name: "pathname + search + hash + baseURL",
|
||||
input: {
|
||||
pathname: "/foo",
|
||||
search: "bar",
|
||||
hash: "baz",
|
||||
baseURL: "https://example.com:8080",
|
||||
},
|
||||
},
|
||||
{ name: "pathname with regex", input: { pathname: "/([[a-z]--a])" } },
|
||||
{ name: "named groups", input: { pathname: "/users/:id/posts/:postId" } },
|
||||
{ name: "wildcard", input: { pathname: "/files/*" } },
|
||||
];
|
||||
|
||||
const testURL = "https://sub.example.com/foo";
|
||||
|
||||
group("URLPattern parse (constructor)", () => {
|
||||
for (const { name, input } of patterns) {
|
||||
bench(name, () => {
|
||||
return new URLPattern(input);
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
group("URLPattern.test()", () => {
|
||||
for (const { name, input } of patterns) {
|
||||
const pattern = new URLPattern(input);
|
||||
bench(name, () => {
|
||||
return pattern.test(testURL);
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
group("URLPattern.exec()", () => {
|
||||
for (const { name, input } of patterns) {
|
||||
const pattern = new URLPattern(input);
|
||||
bench(name, () => {
|
||||
return pattern.exec(testURL);
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
await run();
|
||||
57
build.zig
57
build.zig
@@ -18,6 +18,22 @@ const OperatingSystem = @import("src/env.zig").OperatingSystem;
|
||||
|
||||
const pathRel = fs.path.relative;
|
||||
|
||||
/// When updating this, make sure to adjust SetupZig.cmake
|
||||
const recommended_zig_version = "0.14.0";
|
||||
|
||||
// comptime {
|
||||
// if (!std.mem.eql(u8, builtin.zig_version_string, recommended_zig_version)) {
|
||||
// @compileError(
|
||||
// "" ++
|
||||
// "Bun requires Zig version " ++ recommended_zig_version ++ ", but you have " ++
|
||||
// builtin.zig_version_string ++ ". This is automatically configured via Bun's " ++
|
||||
// "CMake setup. You likely meant to run `bun run build`. If you are trying to " ++
|
||||
// "upgrade the Zig compiler, edit ZIG_COMMIT in cmake/tools/SetupZig.cmake or " ++
|
||||
// "comment this error out.",
|
||||
// );
|
||||
// }
|
||||
// }
|
||||
|
||||
const zero_sha = "0000000000000000000000000000000000000000";
|
||||
|
||||
const BunBuildOptions = struct {
|
||||
@@ -32,7 +48,6 @@ const BunBuildOptions = struct {
|
||||
/// enable debug logs in release builds
|
||||
enable_logs: bool = false,
|
||||
enable_asan: bool,
|
||||
enable_fuzzilli: bool,
|
||||
enable_valgrind: bool,
|
||||
use_mimalloc: bool,
|
||||
tracy_callstack_depth: u16,
|
||||
@@ -82,10 +97,9 @@ const BunBuildOptions = struct {
|
||||
opts.addOption(bool, "baseline", this.isBaseline());
|
||||
opts.addOption(bool, "enable_logs", this.enable_logs);
|
||||
opts.addOption(bool, "enable_asan", this.enable_asan);
|
||||
opts.addOption(bool, "enable_fuzzilli", this.enable_fuzzilli);
|
||||
opts.addOption(bool, "enable_valgrind", this.enable_valgrind);
|
||||
opts.addOption(bool, "use_mimalloc", this.use_mimalloc);
|
||||
opts.addOption([]const u8, "reported_nodejs_version", b.fmt("{f}", .{this.reported_nodejs_version}));
|
||||
opts.addOption([]const u8, "reported_nodejs_version", b.fmt("{}", .{this.reported_nodejs_version}));
|
||||
opts.addOption(bool, "zig_self_hosted_backend", this.no_llvm);
|
||||
opts.addOption(bool, "override_no_export_cpp_apis", this.override_no_export_cpp_apis);
|
||||
|
||||
@@ -120,8 +134,8 @@ pub fn getOSVersionMin(os: OperatingSystem) ?Target.Query.OsVersion {
|
||||
|
||||
pub fn getOSGlibCVersion(os: OperatingSystem) ?Version {
|
||||
return switch (os) {
|
||||
// Compiling with a newer glibc than this will break certain cloud environments. See symbols.test.ts.
|
||||
.linux => .{ .major = 2, .minor = 26, .patch = 0 },
|
||||
// Compiling with a newer glibc than this will break certain cloud environments.
|
||||
.linux => .{ .major = 2, .minor = 27, .patch = 0 },
|
||||
|
||||
else => null,
|
||||
};
|
||||
@@ -257,7 +271,6 @@ pub fn build(b: *Build) !void {
|
||||
.tracy_callstack_depth = b.option(u16, "tracy_callstack_depth", "") orelse 10,
|
||||
.enable_logs = b.option(bool, "enable_logs", "Enable logs in release") orelse false,
|
||||
.enable_asan = b.option(bool, "enable_asan", "Enable asan") orelse false,
|
||||
.enable_fuzzilli = b.option(bool, "enable_fuzzilli", "Enable fuzzilli instrumentation") orelse false,
|
||||
.enable_valgrind = b.option(bool, "enable_valgrind", "Enable valgrind") orelse false,
|
||||
.use_mimalloc = b.option(bool, "use_mimalloc", "Use mimalloc as default allocator") orelse false,
|
||||
.llvm_codegen_threads = b.option(u32, "llvm_codegen_threads", "Number of threads to use for LLVM codegen") orelse 1,
|
||||
@@ -277,16 +290,14 @@ pub fn build(b: *Build) !void {
|
||||
var o = build_options;
|
||||
var unit_tests = b.addTest(.{
|
||||
.name = "bun-test",
|
||||
.optimize = build_options.optimize,
|
||||
.root_source_file = b.path("src/unit_test.zig"),
|
||||
.test_runner = .{ .path = b.path("src/main_test.zig"), .mode = .simple },
|
||||
.root_module = b.createModule(.{
|
||||
.optimize = build_options.optimize,
|
||||
.root_source_file = b.path("src/unit_test.zig"),
|
||||
.target = build_options.target,
|
||||
.omit_frame_pointer = false,
|
||||
.strip = false,
|
||||
}),
|
||||
.target = build_options.target,
|
||||
.use_llvm = !build_options.no_llvm,
|
||||
.use_lld = if (build_options.os == .mac) false else !build_options.no_llvm,
|
||||
.omit_frame_pointer = false,
|
||||
.strip = false,
|
||||
});
|
||||
configureObj(b, &o, unit_tests);
|
||||
// Setting `linker_allow_shlib_undefined` causes the linker to ignore
|
||||
@@ -320,7 +331,6 @@ pub fn build(b: *Build) !void {
|
||||
var step = b.step("check", "Check for semantic analysis errors");
|
||||
var bun_check_obj = addBunObject(b, &build_options);
|
||||
bun_check_obj.generated_bin = null;
|
||||
// bun_check_obj.use_llvm = false;
|
||||
step.dependOn(&bun_check_obj.step);
|
||||
|
||||
// The default install step will run zig build check. This is so ZLS
|
||||
@@ -493,7 +503,6 @@ fn addMultiCheck(
|
||||
.no_llvm = root_build_options.no_llvm,
|
||||
.enable_asan = root_build_options.enable_asan,
|
||||
.enable_valgrind = root_build_options.enable_valgrind,
|
||||
.enable_fuzzilli = root_build_options.enable_fuzzilli,
|
||||
.use_mimalloc = root_build_options.use_mimalloc,
|
||||
.override_no_export_cpp_apis = root_build_options.override_no_export_cpp_apis,
|
||||
};
|
||||
@@ -607,22 +616,15 @@ fn configureObj(b: *Build, opts: *BunBuildOptions, obj: *Compile) void {
|
||||
obj.llvm_codegen_threads = opts.llvm_codegen_threads orelse 0;
|
||||
}
|
||||
|
||||
obj.no_link_obj = opts.os != .windows and !opts.no_llvm;
|
||||
|
||||
obj.no_link_obj = true;
|
||||
|
||||
if (opts.enable_asan and !enableFastBuild(b)) {
|
||||
if (@hasField(Build.Module, "sanitize_address")) {
|
||||
if (opts.enable_fuzzilli) {
|
||||
obj.sanitize_coverage_trace_pc_guard = true;
|
||||
}
|
||||
obj.root_module.sanitize_address = true;
|
||||
} else {
|
||||
const fail_step = b.addFail("asan is not supported on this platform");
|
||||
obj.step.dependOn(&fail_step.step);
|
||||
}
|
||||
} else if (opts.enable_fuzzilli) {
|
||||
const fail_step = b.addFail("fuzzilli requires asan");
|
||||
obj.step.dependOn(&fail_step.step);
|
||||
}
|
||||
obj.bundle_compiler_rt = false;
|
||||
obj.bundle_ubsan_rt = false;
|
||||
@@ -777,13 +779,6 @@ fn addInternalImports(b: *Build, mod: *Module, opts: *BunBuildOptions) void {
|
||||
mod.addImport("cpp", cppImport);
|
||||
cppImport.addImport("bun", mod);
|
||||
}
|
||||
{
|
||||
const ciInfoImport = b.createModule(.{
|
||||
.root_source_file = (std.Build.LazyPath{ .cwd_relative = opts.codegen_path }).path(b, "ci_info.zig"),
|
||||
});
|
||||
mod.addImport("ci_info", ciInfoImport);
|
||||
ciInfoImport.addImport("bun", mod);
|
||||
}
|
||||
inline for (.{
|
||||
.{ .import = "completions-bash", .file = b.path("completions/bun.bash") },
|
||||
.{ .import = "completions-zsh", .file = b.path("completions/bun.zsh") },
|
||||
@@ -809,7 +804,7 @@ fn addInternalImports(b: *Build, mod: *Module, opts: *BunBuildOptions) void {
|
||||
fn propagateImports(source_mod: *Module) !void {
|
||||
var seen = std.AutoHashMap(*Module, void).init(source_mod.owner.graph.arena);
|
||||
defer seen.deinit();
|
||||
var queue = std.array_list.Managed(*Module).init(source_mod.owner.graph.arena);
|
||||
var queue = std.ArrayList(*Module).init(source_mod.owner.graph.arena);
|
||||
defer queue.deinit();
|
||||
try queue.appendSlice(source_mod.import_table.values());
|
||||
while (queue.pop()) |mod| {
|
||||
|
||||
52
bun.lock
52
bun.lock
@@ -1,6 +1,5 @@
|
||||
{
|
||||
"lockfileVersion": 1,
|
||||
"configVersion": 1,
|
||||
"workspaces": {
|
||||
"": {
|
||||
"name": "bun",
|
||||
@@ -32,11 +31,16 @@
|
||||
"dependencies": {
|
||||
"@types/node": "*",
|
||||
},
|
||||
"devDependencies": {
|
||||
"@types/react": "^19",
|
||||
},
|
||||
"peerDependencies": {
|
||||
"@types/react": "^19",
|
||||
},
|
||||
},
|
||||
},
|
||||
"overrides": {
|
||||
"@types/bun": "workspace:packages/@types/bun",
|
||||
"@types/node": "25.0.0",
|
||||
"bun-types": "workspace:packages/bun-types",
|
||||
},
|
||||
"packages": {
|
||||
@@ -86,13 +90,13 @@
|
||||
|
||||
"@esbuild/win32-x64": ["@esbuild/win32-x64@0.21.5", "", { "os": "win32", "cpu": "x64" }, "sha512-tQd/1efJuzPC6rCFwEvLtci/xNFcTZknmXs98FYDfGE4wP9ClFV98nyKrzJKVPMhdDnjzLhdUyMX4PsQAPjwIw=="],
|
||||
|
||||
"@lezer/common": ["@lezer/common@1.3.0", "", {}, "sha512-L9X8uHCYU310o99L3/MpJKYxPzXPOS7S0NmBaM7UO/x2Kb2WbmMLSkfvdr1KxRIFYOpbY0Jhn7CfLSUDzL8arQ=="],
|
||||
"@lezer/common": ["@lezer/common@1.2.3", "", {}, "sha512-w7ojc8ejBqr2REPsWxJjrMFsA/ysDCFICn8zEOR9mrqzOu2amhITYuLD8ag6XZf0CFXDrhKqw7+tW8cX66NaDA=="],
|
||||
|
||||
"@lezer/cpp": ["@lezer/cpp@1.1.3", "", { "dependencies": { "@lezer/common": "^1.2.0", "@lezer/highlight": "^1.0.0", "@lezer/lr": "^1.0.0" } }, "sha512-ykYvuFQKGsRi6IcE+/hCSGUhb/I4WPjd3ELhEblm2wS2cOznDFzO+ubK2c+ioysOnlZ3EduV+MVQFCPzAIoY3w=="],
|
||||
|
||||
"@lezer/highlight": ["@lezer/highlight@1.2.3", "", { "dependencies": { "@lezer/common": "^1.3.0" } }, "sha512-qXdH7UqTvGfdVBINrgKhDsVTJTxactNNxLk7+UMwZhU13lMHaOBlJe9Vqp907ya56Y3+ed2tlqzys7jDkTmW0g=="],
|
||||
"@lezer/highlight": ["@lezer/highlight@1.2.1", "", { "dependencies": { "@lezer/common": "^1.0.0" } }, "sha512-Z5duk4RN/3zuVO7Jq0pGLJ3qynpxUVsh7IbUbGj88+uV2ApSAn6kWg2au3iJb+0Zi7kKtqffIESgNcRXWZWmSA=="],
|
||||
|
||||
"@lezer/lr": ["@lezer/lr@1.4.3", "", { "dependencies": { "@lezer/common": "^1.0.0" } }, "sha512-yenN5SqAxAPv/qMnpWW0AT7l+SxVrgG+u0tNsRQWqbrz66HIl8DnEbBObvy21J5K7+I1v7gsAnlE2VQ5yYVSeA=="],
|
||||
"@lezer/lr": ["@lezer/lr@1.4.2", "", { "dependencies": { "@lezer/common": "^1.0.0" } }, "sha512-pu0K1jCIdnQ12aWNaAVU5bzi7Bd1w54J3ECgANPmYLtQKP0HBj2cE/5coBD66MT10xbtIuUr7tg0Shbsvk0mDA=="],
|
||||
|
||||
"@octokit/app": ["@octokit/app@14.1.0", "", { "dependencies": { "@octokit/auth-app": "^6.0.0", "@octokit/auth-unauthenticated": "^5.0.0", "@octokit/core": "^5.0.0", "@octokit/oauth-app": "^6.0.0", "@octokit/plugin-paginate-rest": "^9.0.0", "@octokit/types": "^12.0.0", "@octokit/webhooks": "^12.0.4" } }, "sha512-g3uEsGOQCBl1+W1rgfwoRFUIR6PtvB2T1E4RpygeUU5LrLvlOqcxrt5lfykIeRpUPpupreGJUYl70fqMDXdTpw=="],
|
||||
|
||||
@@ -146,7 +150,7 @@
|
||||
|
||||
"@sentry/types": ["@sentry/types@7.120.4", "", {}, "sha512-cUq2hSSe6/qrU6oZsEP4InMI5VVdD86aypE+ENrQ6eZEVLTCYm1w6XhW1NvIu3UuWh7gZec4a9J7AFpYxki88Q=="],
|
||||
|
||||
"@types/aws-lambda": ["@types/aws-lambda@8.10.159", "", {}, "sha512-SAP22WSGNN12OQ8PlCzGzRCZ7QDCwI85dQZbmpz7+mAk+L7j+wI7qnvmdKh+o7A5LaOp6QnOZ2NJphAZQTTHQg=="],
|
||||
"@types/aws-lambda": ["@types/aws-lambda@8.10.152", "", {}, "sha512-soT/c2gYBnT5ygwiHPmd9a1bftj462NWVk2tKCc1PYHSIacB2UwbTS2zYG4jzag1mRDuzg/OjtxQjQ2NKRB6Rw=="],
|
||||
|
||||
"@types/btoa-lite": ["@types/btoa-lite@1.0.2", "", {}, "sha512-ZYbcE2x7yrvNFJiU7xJGrpF/ihpkM7zKgw8bha3LNJSesvTtUNxbpzaT7WXBIryf6jovisrxTBvymxMeLLj1Mg=="],
|
||||
|
||||
@@ -156,7 +160,9 @@
|
||||
|
||||
"@types/ms": ["@types/ms@2.1.0", "", {}, "sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA=="],
|
||||
|
||||
"@types/node": ["@types/node@25.0.0", "", { "dependencies": { "undici-types": "~7.16.0" } }, "sha512-rl78HwuZlaDIUSeUKkmogkhebA+8K1Hy7tddZuJ3D0xV8pZSfsYGTsliGUol1JPzu9EKnTxPC4L1fiWouStRew=="],
|
||||
"@types/node": ["@types/node@24.2.1", "", { "dependencies": { "undici-types": "~7.10.0" } }, "sha512-DRh5K+ka5eJic8CjH7td8QpYEV6Zo10gfRkjHCO3weqZHWDtAaSTFtl4+VMqOJ4N5jcuhZ9/l+yy8rVgw7BQeQ=="],
|
||||
|
||||
"@types/react": ["@types/react@19.1.10", "", { "dependencies": { "csstype": "^3.0.2" } }, "sha512-EhBeSYX0Y6ye8pNebpKrwFJq7BoQ8J5SO6NlvNwwHjSj6adXJViPQrKlsyPw7hLBLvckEMO1yxeGdR82YBBlDg=="],
|
||||
|
||||
"aggregate-error": ["aggregate-error@3.1.0", "", { "dependencies": { "clean-stack": "^2.0.0", "indent-string": "^4.0.0" } }, "sha512-4I7Td01quW/RpocfNayFdFVk1qSuoh0E7JrbRJ16nH01HhKFQ88INq9Sd+nd72zqRySlr9BmDA8xlEJ6vJMrYA=="],
|
||||
|
||||
@@ -186,9 +192,11 @@
|
||||
|
||||
"constant-case": ["constant-case@3.0.4", "", { "dependencies": { "no-case": "^3.0.4", "tslib": "^2.0.3", "upper-case": "^2.0.2" } }, "sha512-I2hSBi7Vvs7BEuJDr5dDHfzb/Ruj3FyvFyh7KLilAjNQw3Be+xgqUBA2W6scVEcL0hL1dwPRtIqEPVUCKkSsyQ=="],
|
||||
|
||||
"csstype": ["csstype@3.1.3", "", {}, "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw=="],
|
||||
|
||||
"deprecation": ["deprecation@2.3.1", "", {}, "sha512-xmHIy4F3scKVwMsQ4WnVaS8bHOx0DmVwRywosKhaILI0ywMDWPtBSku2HNxRvF7jtwDRsoEwYQSfbxj8b7RlJQ=="],
|
||||
|
||||
"detect-libc": ["detect-libc@2.1.2", "", {}, "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ=="],
|
||||
"detect-libc": ["detect-libc@2.0.4", "", {}, "sha512-3UDv+G9CsCKO1WKMGw9fwq/SWJYbI0c5Y7LU1AXYoDdbhE2AHQ6N6Nb34sG8Fj7T5APy8qXDCKuuIHd1BR0tVA=="],
|
||||
|
||||
"dot-case": ["dot-case@3.0.4", "", { "dependencies": { "no-case": "^3.0.4", "tslib": "^2.0.3" } }, "sha512-Kv5nKlh6yRrdrGvxeJ2e5y2eRUpkUosIW4A2AS38zwSz27zu7ufDwQPi5Jhs3XAlGNetl3bmnGhQsMtkKJnj3w=="],
|
||||
|
||||
@@ -212,29 +220,27 @@
|
||||
|
||||
"jws": ["jws@3.2.2", "", { "dependencies": { "jwa": "^1.4.1", "safe-buffer": "^5.0.1" } }, "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA=="],
|
||||
|
||||
"lightningcss": ["lightningcss@1.30.2", "", { "dependencies": { "detect-libc": "^2.0.3" }, "optionalDependencies": { "lightningcss-android-arm64": "1.30.2", "lightningcss-darwin-arm64": "1.30.2", "lightningcss-darwin-x64": "1.30.2", "lightningcss-freebsd-x64": "1.30.2", "lightningcss-linux-arm-gnueabihf": "1.30.2", "lightningcss-linux-arm64-gnu": "1.30.2", "lightningcss-linux-arm64-musl": "1.30.2", "lightningcss-linux-x64-gnu": "1.30.2", "lightningcss-linux-x64-musl": "1.30.2", "lightningcss-win32-arm64-msvc": "1.30.2", "lightningcss-win32-x64-msvc": "1.30.2" } }, "sha512-utfs7Pr5uJyyvDETitgsaqSyjCb2qNRAtuqUeWIAKztsOYdcACf2KtARYXg2pSvhkt+9NfoaNY7fxjl6nuMjIQ=="],
|
||||
"lightningcss": ["lightningcss@1.30.1", "", { "dependencies": { "detect-libc": "^2.0.3" }, "optionalDependencies": { "lightningcss-darwin-arm64": "1.30.1", "lightningcss-darwin-x64": "1.30.1", "lightningcss-freebsd-x64": "1.30.1", "lightningcss-linux-arm-gnueabihf": "1.30.1", "lightningcss-linux-arm64-gnu": "1.30.1", "lightningcss-linux-arm64-musl": "1.30.1", "lightningcss-linux-x64-gnu": "1.30.1", "lightningcss-linux-x64-musl": "1.30.1", "lightningcss-win32-arm64-msvc": "1.30.1", "lightningcss-win32-x64-msvc": "1.30.1" } }, "sha512-xi6IyHML+c9+Q3W0S4fCQJOym42pyurFiJUHEcEyHS0CeKzia4yZDEsLlqOFykxOdHpNy0NmvVO31vcSqAxJCg=="],
|
||||
|
||||
"lightningcss-android-arm64": ["lightningcss-android-arm64@1.30.2", "", { "os": "android", "cpu": "arm64" }, "sha512-BH9sEdOCahSgmkVhBLeU7Hc9DWeZ1Eb6wNS6Da8igvUwAe0sqROHddIlvU06q3WyXVEOYDZ6ykBZQnjTbmo4+A=="],
|
||||
"lightningcss-darwin-arm64": ["lightningcss-darwin-arm64@1.30.1", "", { "os": "darwin", "cpu": "arm64" }, "sha512-c8JK7hyE65X1MHMN+Viq9n11RRC7hgin3HhYKhrMyaXflk5GVplZ60IxyoVtzILeKr+xAJwg6zK6sjTBJ0FKYQ=="],
|
||||
|
||||
"lightningcss-darwin-arm64": ["lightningcss-darwin-arm64@1.30.2", "", { "os": "darwin", "cpu": "arm64" }, "sha512-ylTcDJBN3Hp21TdhRT5zBOIi73P6/W0qwvlFEk22fkdXchtNTOU4Qc37SkzV+EKYxLouZ6M4LG9NfZ1qkhhBWA=="],
|
||||
"lightningcss-darwin-x64": ["lightningcss-darwin-x64@1.30.1", "", { "os": "darwin", "cpu": "x64" }, "sha512-k1EvjakfumAQoTfcXUcHQZhSpLlkAuEkdMBsI/ivWw9hL+7FtilQc0Cy3hrx0AAQrVtQAbMI7YjCgYgvn37PzA=="],
|
||||
|
||||
"lightningcss-darwin-x64": ["lightningcss-darwin-x64@1.30.2", "", { "os": "darwin", "cpu": "x64" }, "sha512-oBZgKchomuDYxr7ilwLcyms6BCyLn0z8J0+ZZmfpjwg9fRVZIR5/GMXd7r9RH94iDhld3UmSjBM6nXWM2TfZTQ=="],
|
||||
"lightningcss-freebsd-x64": ["lightningcss-freebsd-x64@1.30.1", "", { "os": "freebsd", "cpu": "x64" }, "sha512-kmW6UGCGg2PcyUE59K5r0kWfKPAVy4SltVeut+umLCFoJ53RdCUWxcRDzO1eTaxf/7Q2H7LTquFHPL5R+Gjyig=="],
|
||||
|
||||
"lightningcss-freebsd-x64": ["lightningcss-freebsd-x64@1.30.2", "", { "os": "freebsd", "cpu": "x64" }, "sha512-c2bH6xTrf4BDpK8MoGG4Bd6zAMZDAXS569UxCAGcA7IKbHNMlhGQ89eRmvpIUGfKWNVdbhSbkQaWhEoMGmGslA=="],
|
||||
"lightningcss-linux-arm-gnueabihf": ["lightningcss-linux-arm-gnueabihf@1.30.1", "", { "os": "linux", "cpu": "arm" }, "sha512-MjxUShl1v8pit+6D/zSPq9S9dQ2NPFSQwGvxBCYaBYLPlCWuPh9/t1MRS8iUaR8i+a6w7aps+B4N0S1TYP/R+Q=="],
|
||||
|
||||
"lightningcss-linux-arm-gnueabihf": ["lightningcss-linux-arm-gnueabihf@1.30.2", "", { "os": "linux", "cpu": "arm" }, "sha512-eVdpxh4wYcm0PofJIZVuYuLiqBIakQ9uFZmipf6LF/HRj5Bgm0eb3qL/mr1smyXIS1twwOxNWndd8z0E374hiA=="],
|
||||
"lightningcss-linux-arm64-gnu": ["lightningcss-linux-arm64-gnu@1.30.1", "", { "os": "linux", "cpu": "arm64" }, "sha512-gB72maP8rmrKsnKYy8XUuXi/4OctJiuQjcuqWNlJQ6jZiWqtPvqFziskH3hnajfvKB27ynbVCucKSm2rkQp4Bw=="],
|
||||
|
||||
"lightningcss-linux-arm64-gnu": ["lightningcss-linux-arm64-gnu@1.30.2", "", { "os": "linux", "cpu": "arm64" }, "sha512-UK65WJAbwIJbiBFXpxrbTNArtfuznvxAJw4Q2ZGlU8kPeDIWEX1dg3rn2veBVUylA2Ezg89ktszWbaQnxD/e3A=="],
|
||||
"lightningcss-linux-arm64-musl": ["lightningcss-linux-arm64-musl@1.30.1", "", { "os": "linux", "cpu": "arm64" }, "sha512-jmUQVx4331m6LIX+0wUhBbmMX7TCfjF5FoOH6SD1CttzuYlGNVpA7QnrmLxrsub43ClTINfGSYyHe2HWeLl5CQ=="],
|
||||
|
||||
"lightningcss-linux-arm64-musl": ["lightningcss-linux-arm64-musl@1.30.2", "", { "os": "linux", "cpu": "arm64" }, "sha512-5Vh9dGeblpTxWHpOx8iauV02popZDsCYMPIgiuw97OJ5uaDsL86cnqSFs5LZkG3ghHoX5isLgWzMs+eD1YzrnA=="],
|
||||
"lightningcss-linux-x64-gnu": ["lightningcss-linux-x64-gnu@1.30.1", "", { "os": "linux", "cpu": "x64" }, "sha512-piWx3z4wN8J8z3+O5kO74+yr6ze/dKmPnI7vLqfSqI8bccaTGY5xiSGVIJBDd5K5BHlvVLpUB3S2YCfelyJ1bw=="],
|
||||
|
||||
"lightningcss-linux-x64-gnu": ["lightningcss-linux-x64-gnu@1.30.2", "", { "os": "linux", "cpu": "x64" }, "sha512-Cfd46gdmj1vQ+lR6VRTTadNHu6ALuw2pKR9lYq4FnhvgBc4zWY1EtZcAc6EffShbb1MFrIPfLDXD6Xprbnni4w=="],
|
||||
"lightningcss-linux-x64-musl": ["lightningcss-linux-x64-musl@1.30.1", "", { "os": "linux", "cpu": "x64" }, "sha512-rRomAK7eIkL+tHY0YPxbc5Dra2gXlI63HL+v1Pdi1a3sC+tJTcFrHX+E86sulgAXeI7rSzDYhPSeHHjqFhqfeQ=="],
|
||||
|
||||
"lightningcss-linux-x64-musl": ["lightningcss-linux-x64-musl@1.30.2", "", { "os": "linux", "cpu": "x64" }, "sha512-XJaLUUFXb6/QG2lGIW6aIk6jKdtjtcffUT0NKvIqhSBY3hh9Ch+1LCeH80dR9q9LBjG3ewbDjnumefsLsP6aiA=="],
|
||||
"lightningcss-win32-arm64-msvc": ["lightningcss-win32-arm64-msvc@1.30.1", "", { "os": "win32", "cpu": "arm64" }, "sha512-mSL4rqPi4iXq5YVqzSsJgMVFENoa4nGTT/GjO2c0Yl9OuQfPsIfncvLrEW6RbbB24WtZ3xP/2CCmI3tNkNV4oA=="],
|
||||
|
||||
"lightningcss-win32-arm64-msvc": ["lightningcss-win32-arm64-msvc@1.30.2", "", { "os": "win32", "cpu": "arm64" }, "sha512-FZn+vaj7zLv//D/192WFFVA0RgHawIcHqLX9xuWiQt7P0PtdFEVaxgF9rjM/IRYHQXNnk61/H/gb2Ei+kUQ4xQ=="],
|
||||
|
||||
"lightningcss-win32-x64-msvc": ["lightningcss-win32-x64-msvc@1.30.2", "", { "os": "win32", "cpu": "x64" }, "sha512-5g1yc73p+iAkid5phb4oVFMB45417DkRevRbt/El/gKXJk4jid+vPFF/AXbxn05Aky8PapwzZrdJShv5C0avjw=="],
|
||||
"lightningcss-win32-x64-msvc": ["lightningcss-win32-x64-msvc@1.30.1", "", { "os": "win32", "cpu": "x64" }, "sha512-PVqXh48wh4T53F/1CCu8PIPCxLzWyCnn/9T5W1Jpmdy5h9Cwd+0YQS6/LwhHXSafuc61/xg9Lv5OrCby6a++jg=="],
|
||||
|
||||
"lodash.includes": ["lodash.includes@4.3.0", "", {}, "sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w=="],
|
||||
|
||||
@@ -290,7 +296,7 @@
|
||||
|
||||
"scheduler": ["scheduler@0.23.2", "", { "dependencies": { "loose-envify": "^1.1.0" } }, "sha512-UOShsPwz7NrMUqhR6t0hWjFduvOzbtv7toDH1/hIrfRNIDBnnBWd0CwJTGvTpngVlmwGCdP9/Zl/tVrDqcuYzQ=="],
|
||||
|
||||
"semver": ["semver@7.7.3", "", { "bin": { "semver": "bin/semver.js" } }, "sha512-SdsKMrI9TdgjdweUSR9MweHA4EJ8YxHn8DFaDisvhVlUOe4BF1tLD7GAj0lIqWVl+dPb/rExr0Btby5loQm20Q=="],
|
||||
"semver": ["semver@7.7.2", "", { "bin": { "semver": "bin/semver.js" } }, "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA=="],
|
||||
|
||||
"sentence-case": ["sentence-case@3.0.4", "", { "dependencies": { "no-case": "^3.0.4", "tslib": "^2.0.3", "upper-case-first": "^2.0.2" } }, "sha512-8LS0JInaQMCRoQ7YUytAo/xUu5W2XnQxV2HI/6uM6U7CITS1RqPElr30V6uIqyMKM9lJGRVFy5/4CuzcixNYSg=="],
|
||||
|
||||
@@ -306,7 +312,7 @@
|
||||
|
||||
"uglify-js": ["uglify-js@3.19.3", "", { "bin": { "uglifyjs": "bin/uglifyjs" } }, "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ=="],
|
||||
|
||||
"undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],
|
||||
"undici-types": ["undici-types@7.10.0", "", {}, "sha512-t5Fy/nfn+14LuOc2KNYg75vZqClpAiqscVvMygNnlsHBFpSXdJaYtXMcdNLpl/Qvc3P2cB3s6lOV51nqsFq4ag=="],
|
||||
|
||||
"universal-github-app-jwt": ["universal-github-app-jwt@1.2.0", "", { "dependencies": { "@types/jsonwebtoken": "^9.0.0", "jsonwebtoken": "^9.0.2" } }, "sha512-dncpMpnsKBk0eetwfN8D8OUHGfiDhhJ+mtsbMl+7PfW7mYjiH8LIcqRmYMtzYLgSh47HjfdBtrBwIQ/gizKR3g=="],
|
||||
|
||||
|
||||
@@ -10,4 +10,4 @@ preload = "./test/preload.ts"
|
||||
|
||||
[install]
|
||||
linker = "isolated"
|
||||
minimumReleaseAge = 259200 # three days
|
||||
minimumReleaseAge = 1
|
||||
|
||||
@@ -51,23 +51,6 @@ if(ENABLE_ASAN)
|
||||
)
|
||||
endif()
|
||||
|
||||
if(ENABLE_FUZZILLI)
|
||||
register_compiler_flags(
|
||||
DESCRIPTION "Enable coverage instrumentation for fuzzing"
|
||||
-fsanitize-coverage=trace-pc-guard
|
||||
)
|
||||
|
||||
register_linker_flags(
|
||||
DESCRIPTION "Link coverage instrumentation"
|
||||
-fsanitize-coverage=trace-pc-guard
|
||||
)
|
||||
|
||||
register_compiler_flags(
|
||||
DESCRIPTION "Enable fuzzilli-specific code"
|
||||
-DFUZZILLI_ENABLED
|
||||
)
|
||||
endif()
|
||||
|
||||
# --- Optimization level ---
|
||||
if(DEBUG)
|
||||
register_compiler_flags(
|
||||
@@ -232,6 +215,46 @@ if(ENABLE_ASSERTIONS)
|
||||
DESCRIPTION "Do not eliminate null-pointer checks"
|
||||
-fno-delete-null-pointer-checks
|
||||
)
|
||||
|
||||
register_compiler_definitions(
|
||||
DESCRIPTION "Enable libc++ assertions"
|
||||
_LIBCPP_ENABLE_ASSERTIONS=1
|
||||
_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE ${RELEASE}
|
||||
_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG ${DEBUG}
|
||||
)
|
||||
|
||||
# Nix glibc already sets _FORTIFY_SOURCE, don't override it
|
||||
if(NOT DEFINED ENV{NIX_CC})
|
||||
register_compiler_definitions(
|
||||
DESCRIPTION "Enable fortified sources (Release only)"
|
||||
_FORTIFY_SOURCE=3 ${RELEASE}
|
||||
)
|
||||
endif()
|
||||
|
||||
if(LINUX)
|
||||
register_compiler_definitions(
|
||||
DESCRIPTION "Enable glibc++ assertions"
|
||||
_GLIBCXX_ASSERTIONS=1
|
||||
)
|
||||
endif()
|
||||
else()
|
||||
register_compiler_definitions(
|
||||
DESCRIPTION "Disable debug assertions"
|
||||
NDEBUG=1
|
||||
)
|
||||
|
||||
register_compiler_definitions(
|
||||
DESCRIPTION "Disable libc++ assertions"
|
||||
_LIBCPP_ENABLE_ASSERTIONS=0
|
||||
_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE
|
||||
)
|
||||
|
||||
if(LINUX)
|
||||
register_compiler_definitions(
|
||||
DESCRIPTION "Disable glibc++ assertions"
|
||||
_GLIBCXX_ASSERTIONS=0
|
||||
)
|
||||
endif()
|
||||
endif()
|
||||
|
||||
# --- Diagnostics ---
|
||||
@@ -282,6 +305,14 @@ if(UNIX AND CI)
|
||||
)
|
||||
endif()
|
||||
|
||||
# --- Features ---
|
||||
|
||||
# Valgrind cannot handle SSE4.2 instructions
|
||||
# This is needed for picohttpparser
|
||||
if(ENABLE_VALGRIND AND ARCH STREQUAL "x64")
|
||||
register_compiler_definitions(__SSE4_2__=0)
|
||||
endif()
|
||||
|
||||
# --- Other ---
|
||||
|
||||
# Workaround for CMake and clang-cl bug.
|
||||
|
||||
@@ -125,8 +125,7 @@ setx(CWD ${CMAKE_SOURCE_DIR})
|
||||
setx(BUILD_PATH ${CMAKE_BINARY_DIR})
|
||||
|
||||
optionx(CACHE_PATH FILEPATH "The path to the cache directory" DEFAULT ${BUILD_PATH}/cache)
|
||||
optionx(CACHE_STRATEGY "auto|distributed|local|none" "The strategy to use for caching" DEFAULT
|
||||
"auto")
|
||||
optionx(CACHE_STRATEGY "read-write|read-only|write-only|none" "The strategy to use for caching" DEFAULT "read-write")
|
||||
|
||||
optionx(CI BOOL "If CI is enabled" DEFAULT OFF)
|
||||
optionx(ENABLE_ANALYSIS BOOL "If static analysis targets should be enabled" DEFAULT OFF)
|
||||
@@ -137,44 +136,21 @@ else()
|
||||
set(WARNING WARNING)
|
||||
endif()
|
||||
|
||||
# TODO: This causes flaky zig builds in CI, so temporarily disable it.
|
||||
# if(CI)
|
||||
# set(DEFAULT_VENDOR_PATH ${CACHE_PATH}/vendor)
|
||||
# else()
|
||||
# set(DEFAULT_VENDOR_PATH ${CWD}/vendor)
|
||||
# endif()
|
||||
|
||||
optionx(VENDOR_PATH FILEPATH "The path to the vendor directory" DEFAULT ${CWD}/vendor)
|
||||
optionx(TMP_PATH FILEPATH "The path to the temporary directory" DEFAULT ${BUILD_PATH}/tmp)
|
||||
|
||||
# --- Helper functions ---
|
||||
|
||||
# list_filter_out_regex()
|
||||
#
|
||||
# Description:
|
||||
# Filters out elements from a list that match a regex pattern.
|
||||
#
|
||||
# Arguments:
|
||||
# list - The list of strings to traverse
|
||||
# pattern - The regex pattern to filter out
|
||||
# touched - A variable to set if any items were removed
|
||||
function(list_filter_out_regex list pattern touched)
|
||||
set(result_list "${${list}}")
|
||||
set(keep_list)
|
||||
set(was_modified OFF)
|
||||
|
||||
foreach(line IN LISTS result_list)
|
||||
if(line MATCHES "${pattern}")
|
||||
set(was_modified ON)
|
||||
else()
|
||||
list(APPEND keep_list ${line})
|
||||
endif()
|
||||
endforeach()
|
||||
|
||||
set(${list} "${keep_list}" PARENT_SCOPE)
|
||||
set(${touched} ${was_modified} PARENT_SCOPE)
|
||||
endfunction()
|
||||
|
||||
# setenv()
|
||||
# Description:
|
||||
# Sets an environment variable during the build step, and writes it to a .env file.
|
||||
#
|
||||
# See Also:
|
||||
# unsetenv()
|
||||
#
|
||||
# Arguments:
|
||||
# variable string - The variable to set
|
||||
# value string - The value to set the variable to
|
||||
@@ -187,7 +163,13 @@ function(setenv variable value)
|
||||
|
||||
if(EXISTS ${ENV_PATH})
|
||||
file(STRINGS ${ENV_PATH} ENV_FILE ENCODING UTF-8)
|
||||
list_filter_out_regex(ENV_FILE "^${variable}=" ENV_MODIFIED)
|
||||
|
||||
foreach(line ${ENV_FILE})
|
||||
if(line MATCHES "^${variable}=")
|
||||
list(REMOVE_ITEM ENV_FILE ${line})
|
||||
set(ENV_MODIFIED ON)
|
||||
endif()
|
||||
endforeach()
|
||||
|
||||
if(ENV_MODIFIED)
|
||||
list(APPEND ENV_FILE "${variable}=${value}")
|
||||
@@ -203,28 +185,6 @@ function(setenv variable value)
|
||||
message(STATUS "Set ENV ${variable}: ${value}")
|
||||
endfunction()
|
||||
|
||||
# See setenv()
|
||||
# Description:
|
||||
# Exact opposite of setenv().
|
||||
# Arguments:
|
||||
# variable string - The variable to unset.
|
||||
# See Also:
|
||||
# setenv()
|
||||
function(unsetenv variable)
|
||||
set(ENV_PATH ${BUILD_PATH}/.env)
|
||||
if(NOT EXISTS ${ENV_PATH})
|
||||
return()
|
||||
endif()
|
||||
|
||||
file(STRINGS ${ENV_PATH} ENV_FILE ENCODING UTF-8)
|
||||
list_filter_out_regex(ENV_FILE "^${variable}=" ENV_MODIFIED)
|
||||
|
||||
if(ENV_MODIFIED)
|
||||
list(JOIN ENV_FILE "\n" ENV_FILE)
|
||||
file(WRITE ${ENV_PATH} ${ENV_FILE})
|
||||
endif()
|
||||
endfunction()
|
||||
|
||||
# satisfies_range()
|
||||
# Description:
|
||||
# Check if a version satisfies a version range or list of ranges
|
||||
@@ -357,7 +317,7 @@ function(find_command)
|
||||
${FIND_VALIDATOR}
|
||||
)
|
||||
|
||||
if(FIND_REQUIRED AND ${FIND_VARIABLE} MATCHES "NOTFOUND")
|
||||
if(NOT FIND_REQUIRED STREQUAL "OFF" AND ${FIND_VARIABLE} MATCHES "NOTFOUND")
|
||||
set(error "Command not found: \"${FIND_NAME}\"")
|
||||
|
||||
if(FIND_VERSION)
|
||||
@@ -957,6 +917,10 @@ function(register_compiler_flags)
|
||||
endforeach()
|
||||
endfunction()
|
||||
|
||||
function(register_compiler_definitions)
|
||||
|
||||
endfunction()
|
||||
|
||||
# register_linker_flags()
|
||||
# Description:
|
||||
# Registers a linker flag, similar to `add_link_options()`.
|
||||
|
||||
@@ -127,8 +127,6 @@ if (NOT ENABLE_ASAN)
|
||||
set(ENABLE_ZIG_ASAN OFF)
|
||||
endif()
|
||||
|
||||
optionx(ENABLE_FUZZILLI BOOL "If fuzzilli support should be enabled" DEFAULT OFF)
|
||||
|
||||
if(RELEASE AND LINUX AND CI AND NOT ENABLE_ASSERTIONS AND NOT ENABLE_ASAN)
|
||||
set(DEFAULT_LTO ON)
|
||||
else()
|
||||
@@ -142,6 +140,11 @@ if(ENABLE_ASAN AND ENABLE_LTO)
|
||||
setx(ENABLE_LTO OFF)
|
||||
endif()
|
||||
|
||||
if(USE_VALGRIND AND NOT USE_BASELINE)
|
||||
message(WARNING "If valgrind is enabled, baseline must also be enabled")
|
||||
setx(USE_BASELINE ON)
|
||||
endif()
|
||||
|
||||
if(BUILDKITE_COMMIT)
|
||||
set(DEFAULT_REVISION ${BUILDKITE_COMMIT})
|
||||
else()
|
||||
|
||||
@@ -34,6 +34,26 @@ register_command(
|
||||
ALWAYS_RUN
|
||||
)
|
||||
|
||||
if(GIT_CHANGED_SOURCES)
|
||||
set(CLANG_FORMAT_CHANGED_SOURCES)
|
||||
foreach(source ${CLANG_FORMAT_SOURCES})
|
||||
list(FIND GIT_CHANGED_SOURCES ${source} index)
|
||||
if(NOT ${index} EQUAL -1)
|
||||
list(APPEND CLANG_FORMAT_CHANGED_SOURCES ${source})
|
||||
endif()
|
||||
endforeach()
|
||||
endif()
|
||||
|
||||
if(CLANG_FORMAT_CHANGED_SOURCES)
|
||||
set(CLANG_FORMAT_DIFF_COMMAND ${CLANG_FORMAT_PROGRAM}
|
||||
-i # edits files in-place
|
||||
--verbose
|
||||
${CLANG_FORMAT_CHANGED_SOURCES}
|
||||
)
|
||||
else()
|
||||
set(CLANG_FORMAT_DIFF_COMMAND ${CMAKE_COMMAND} -E echo "No changed files for clang-format")
|
||||
endif()
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
clang-format-diff
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
set(CLANG_TIDY_SOURCES ${BUN_C_SOURCES} ${BUN_CXX_SOURCES})
|
||||
|
||||
set(CLANG_TIDY_COMMAND ${CLANG_TIDY_PROGRAM}
|
||||
-p ${BUILD_PATH}
|
||||
-p ${BUILD_PATH}
|
||||
--config-file=${CWD}/.clang-tidy
|
||||
)
|
||||
|
||||
@@ -40,6 +40,27 @@ register_command(
|
||||
ALWAYS_RUN
|
||||
)
|
||||
|
||||
if(GIT_CHANGED_SOURCES)
|
||||
set(CLANG_TIDY_CHANGED_SOURCES)
|
||||
foreach(source ${CLANG_TIDY_SOURCES})
|
||||
list(FIND GIT_CHANGED_SOURCES ${source} index)
|
||||
if(NOT ${index} EQUAL -1)
|
||||
list(APPEND CLANG_TIDY_CHANGED_SOURCES ${source})
|
||||
endif()
|
||||
endforeach()
|
||||
endif()
|
||||
|
||||
if(CLANG_TIDY_CHANGED_SOURCES)
|
||||
set(CLANG_TIDY_DIFF_COMMAND ${CLANG_TIDY_PROGRAM}
|
||||
${CLANG_TIDY_CHANGED_SOURCES}
|
||||
--fix
|
||||
--fix-errors
|
||||
--fix-notes
|
||||
)
|
||||
else()
|
||||
set(CLANG_TIDY_DIFF_COMMAND ${CMAKE_COMMAND} -E echo "No changed files for clang-tidy")
|
||||
endif()
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
clang-tidy-diff
|
||||
|
||||
33
cmake/analysis/RunCppCheck.cmake
Normal file
33
cmake/analysis/RunCppCheck.cmake
Normal file
@@ -0,0 +1,33 @@
|
||||
# https://cppcheck.sourceforge.io/
|
||||
|
||||
find_command(
|
||||
VARIABLE
|
||||
CPPCHECK_EXECUTABLE
|
||||
COMMAND
|
||||
cppcheck
|
||||
REQUIRED
|
||||
OFF
|
||||
)
|
||||
|
||||
set(CPPCHECK_COMMAND ${CPPCHECK_EXECUTABLE}
|
||||
--cppcheck-build-dir=${BUILD_PATH}/cppcheck
|
||||
--project=${BUILD_PATH}/compile_commands.json
|
||||
--clang=${CMAKE_CXX_COMPILER}
|
||||
--std=c++${CMAKE_CXX_STANDARD}
|
||||
--report-progress
|
||||
--showtime=summary
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
cppcheck
|
||||
COMMENT
|
||||
"Running cppcheck"
|
||||
COMMAND
|
||||
${CMAKE_COMMAND} -E make_directory cppcheck
|
||||
&& ${CPPCHECK_COMMAND}
|
||||
CWD
|
||||
${BUILD_PATH}
|
||||
TARGETS
|
||||
${bun}
|
||||
)
|
||||
22
cmake/analysis/RunCppLint.cmake
Normal file
22
cmake/analysis/RunCppLint.cmake
Normal file
@@ -0,0 +1,22 @@
|
||||
find_command(
|
||||
VARIABLE
|
||||
CPPLINT_PROGRAM
|
||||
COMMAND
|
||||
cpplint
|
||||
REQUIRED
|
||||
OFF
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
cpplint
|
||||
COMMENT
|
||||
"Running cpplint"
|
||||
COMMAND
|
||||
${CPPLINT_PROGRAM}
|
||||
${BUN_CPP_SOURCES}
|
||||
CWD
|
||||
${BUILD_PATH}
|
||||
TARGETS
|
||||
${bun}
|
||||
)
|
||||
67
cmake/analysis/RunIWYU.cmake
Normal file
67
cmake/analysis/RunIWYU.cmake
Normal file
@@ -0,0 +1,67 @@
|
||||
# IWYU = "Include What You Use"
|
||||
# https://include-what-you-use.org/
|
||||
|
||||
setx(IWYU_SOURCE_PATH ${CACHE_PATH}/iwyu-${LLVM_VERSION})
|
||||
setx(IWYU_BUILD_PATH ${IWYU_SOURCE_PATH}/build)
|
||||
setx(IWYU_PROGRAM ${IWYU_BUILD_PATH}/bin/include-what-you-use)
|
||||
|
||||
register_repository(
|
||||
NAME
|
||||
iwyu
|
||||
REPOSITORY
|
||||
include-what-you-use/include-what-you-use
|
||||
BRANCH
|
||||
clang_${LLVM_VERSION}
|
||||
PATH
|
||||
${IWYU_SOURCE_PATH}
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
build-iwyu
|
||||
COMMENT
|
||||
"Building iwyu"
|
||||
COMMAND
|
||||
${CMAKE_COMMAND}
|
||||
-B${IWYU_BUILD_PATH}
|
||||
-G${CMAKE_GENERATOR}
|
||||
-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
|
||||
-DCMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER}
|
||||
-DIWYU_LLVM_ROOT_PATH=${LLVM_PREFIX}
|
||||
&& ${CMAKE_COMMAND}
|
||||
--build ${IWYU_BUILD_PATH}
|
||||
CWD
|
||||
${IWYU_SOURCE_PATH}
|
||||
TARGETS
|
||||
clone-iwyu
|
||||
)
|
||||
|
||||
find_command(
|
||||
VARIABLE
|
||||
PYTHON_EXECUTABLE
|
||||
COMMAND
|
||||
python3
|
||||
python
|
||||
VERSION
|
||||
>=3.0.0
|
||||
REQUIRED
|
||||
OFF
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
iwyu
|
||||
COMMENT
|
||||
"Running iwyu"
|
||||
COMMAND
|
||||
${CMAKE_COMMAND}
|
||||
-E env IWYU_BINARY=${IWYU_PROGRAM}
|
||||
${PYTHON_EXECUTABLE}
|
||||
${IWYU_SOURCE_PATH}/iwyu_tool.py
|
||||
-p ${BUILD_PATH}
|
||||
CWD
|
||||
${BUILD_PATH}
|
||||
TARGETS
|
||||
build-iwyu
|
||||
${bun}
|
||||
)
|
||||
@@ -92,6 +92,26 @@ register_command(
|
||||
ALWAYS_RUN
|
||||
)
|
||||
|
||||
if(GIT_CHANGED_SOURCES)
|
||||
set(PRETTIER_CHANGED_SOURCES)
|
||||
foreach(source ${PRETTIER_SOURCES})
|
||||
list(FIND GIT_CHANGED_SOURCES ${source} index)
|
||||
if(NOT ${index} EQUAL -1)
|
||||
list(APPEND PRETTIER_CHANGED_SOURCES ${source})
|
||||
endif()
|
||||
endforeach()
|
||||
endif()
|
||||
|
||||
if(PRETTIER_CHANGED_SOURCES)
|
||||
set(PRETTIER_DIFF_COMMAND ${PRETTIER_COMMAND}
|
||||
--write
|
||||
--plugin=prettier-plugin-organize-imports
|
||||
${PRETTIER_CHANGED_SOURCES}
|
||||
)
|
||||
else()
|
||||
set(PRETTIER_DIFF_COMMAND ${CMAKE_COMMAND} -E echo "No changed files for prettier")
|
||||
endif()
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
prettier-diff
|
||||
|
||||
@@ -25,6 +25,25 @@ register_command(
|
||||
ALWAYS_RUN
|
||||
)
|
||||
|
||||
if(GIT_CHANGED_SOURCES)
|
||||
set(ZIG_FORMAT_CHANGED_SOURCES)
|
||||
foreach(source ${ZIG_FORMAT_SOURCES})
|
||||
list(FIND GIT_CHANGED_SOURCES ${source} index)
|
||||
if(NOT ${index} EQUAL -1)
|
||||
list(APPEND ZIG_FORMAT_CHANGED_SOURCES ${source})
|
||||
endif()
|
||||
endforeach()
|
||||
endif()
|
||||
|
||||
if(ZIG_FORMAT_CHANGED_SOURCES)
|
||||
set(ZIG_FORMAT_DIFF_COMMAND ${ZIG_EXECUTABLE}
|
||||
fmt
|
||||
${ZIG_FORMAT_CHANGED_SOURCES}
|
||||
)
|
||||
else()
|
||||
set(ZIG_FORMAT_DIFF_COMMAND ${CMAKE_COMMAND} -E echo "No changed files for zig-format")
|
||||
endif()
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
zig-format-diff
|
||||
|
||||
@@ -45,6 +45,12 @@ else()
|
||||
endif()
|
||||
|
||||
set(LLVM_ZIG_CODEGEN_THREADS 0)
|
||||
# This makes the build slower, so we turn it off for now.
|
||||
# if (DEBUG)
|
||||
# include(ProcessorCount)
|
||||
# ProcessorCount(CPU_COUNT)
|
||||
# set(LLVM_ZIG_CODEGEN_THREADS ${CPU_COUNT})
|
||||
# endif()
|
||||
|
||||
# --- Dependencies ---
|
||||
|
||||
@@ -65,6 +71,9 @@ set(BUN_DEPENDENCIES
|
||||
)
|
||||
|
||||
include(CloneZstd)
|
||||
# foreach(dependency ${BUN_DEPENDENCIES})
|
||||
# include(Clone${dependency})
|
||||
# endforeach()
|
||||
|
||||
# --- Codegen ---
|
||||
|
||||
@@ -317,10 +326,6 @@ set(BUN_CPP_OUTPUTS
|
||||
${CODEGEN_PATH}/cpp.zig
|
||||
)
|
||||
|
||||
set(BUN_CI_INFO_OUTPUTS
|
||||
${CODEGEN_PATH}/ci_info.zig
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
bun-cppbind
|
||||
@@ -338,21 +343,6 @@ register_command(
|
||||
${BUN_CPP_OUTPUTS}
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
bun-ci-info
|
||||
COMMENT
|
||||
"Generating CI info"
|
||||
COMMAND
|
||||
${BUN_EXECUTABLE}
|
||||
${CWD}/src/codegen/ci_info.ts
|
||||
${CODEGEN_PATH}/ci_info.zig
|
||||
SOURCES
|
||||
${BUN_JAVASCRIPT_CODEGEN_SOURCES}
|
||||
OUTPUTS
|
||||
${BUN_CI_INFO_OUTPUTS}
|
||||
)
|
||||
|
||||
register_command(
|
||||
TARGET
|
||||
bun-js-modules
|
||||
@@ -631,7 +621,6 @@ set(BUN_ZIG_GENERATED_SOURCES
|
||||
${BUN_ZIG_GENERATED_CLASSES_OUTPUTS}
|
||||
${BUN_JAVASCRIPT_OUTPUTS}
|
||||
${BUN_CPP_OUTPUTS}
|
||||
${BUN_CI_INFO_OUTPUTS}
|
||||
${BUN_BINDGENV2_ZIG_OUTPUTS}
|
||||
)
|
||||
|
||||
@@ -695,7 +684,6 @@ register_command(
|
||||
-Dcpu=${ZIG_CPU}
|
||||
-Denable_logs=$<IF:$<BOOL:${ENABLE_LOGS}>,true,false>
|
||||
-Denable_asan=$<IF:$<BOOL:${ENABLE_ZIG_ASAN}>,true,false>
|
||||
-Denable_fuzzilli=$<IF:$<BOOL:${ENABLE_FUZZILLI}>,true,false>
|
||||
-Denable_valgrind=$<IF:$<BOOL:${ENABLE_VALGRIND}>,true,false>
|
||||
-Duse_mimalloc=$<IF:$<BOOL:${USE_MIMALLOC_AS_DEFAULT_ALLOCATOR}>,true,false>
|
||||
-Dllvm_codegen_threads=${LLVM_ZIG_CODEGEN_THREADS}
|
||||
@@ -872,7 +860,6 @@ target_include_directories(${bun} PRIVATE
|
||||
${CODEGEN_PATH}
|
||||
${VENDOR_PATH}
|
||||
${VENDOR_PATH}/picohttpparser
|
||||
${VENDOR_PATH}/zlib
|
||||
${NODEJS_HEADERS_PATH}/include
|
||||
${NODEJS_HEADERS_PATH}/include/node
|
||||
)
|
||||
@@ -1200,29 +1187,6 @@ set_target_properties(${bun} PROPERTIES LINK_DEPENDS ${BUN_SYMBOLS_PATH})
|
||||
|
||||
include(SetupWebKit)
|
||||
|
||||
if(BUN_LINK_ONLY)
|
||||
register_command(
|
||||
TARGET
|
||||
${bun}
|
||||
TARGET_PHASE
|
||||
POST_BUILD
|
||||
COMMENT
|
||||
"Uploading link metadata"
|
||||
COMMAND
|
||||
${CMAKE_COMMAND} -E env
|
||||
BUN_VERSION=${VERSION}
|
||||
WEBKIT_DOWNLOAD_URL=${WEBKIT_DOWNLOAD_URL}
|
||||
WEBKIT_VERSION=${WEBKIT_VERSION}
|
||||
ZIG_COMMIT=${ZIG_COMMIT}
|
||||
${BUN_EXECUTABLE} ${CWD}/scripts/create-link-metadata.mjs ${BUILD_PATH} ${bun}
|
||||
SOURCES
|
||||
${BUN_ZIG_OUTPUT}
|
||||
${BUN_CPP_OUTPUT}
|
||||
ARTIFACTS
|
||||
${BUILD_PATH}/link-metadata.json
|
||||
)
|
||||
endif()
|
||||
|
||||
if(WIN32)
|
||||
if(DEBUG)
|
||||
target_link_libraries(${bun} PRIVATE
|
||||
@@ -1297,9 +1261,15 @@ if(LINUX)
|
||||
target_link_libraries(${bun} PUBLIC libatomic.so)
|
||||
endif()
|
||||
|
||||
target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicudata.a)
|
||||
target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicui18n.a)
|
||||
target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicuuc.a)
|
||||
if(USE_SYSTEM_ICU)
|
||||
target_link_libraries(${bun} PRIVATE libicudata.a)
|
||||
target_link_libraries(${bun} PRIVATE libicui18n.a)
|
||||
target_link_libraries(${bun} PRIVATE libicuuc.a)
|
||||
else()
|
||||
target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicudata.a)
|
||||
target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicui18n.a)
|
||||
target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicuuc.a)
|
||||
endif()
|
||||
endif()
|
||||
|
||||
if(WIN32)
|
||||
@@ -1352,32 +1322,32 @@ if(NOT BUN_CPP_ONLY)
|
||||
OUTPUTS
|
||||
${BUILD_PATH}/${bunStripExe}
|
||||
)
|
||||
|
||||
|
||||
# Then sign both executables on Windows
|
||||
if(WIN32 AND ENABLE_WINDOWS_CODESIGNING)
|
||||
set(SIGN_SCRIPT "${CMAKE_SOURCE_DIR}/.buildkite/scripts/sign-windows.ps1")
|
||||
|
||||
|
||||
# Verify signing script exists
|
||||
if(NOT EXISTS "${SIGN_SCRIPT}")
|
||||
message(FATAL_ERROR "Windows signing script not found: ${SIGN_SCRIPT}")
|
||||
endif()
|
||||
|
||||
|
||||
# Use PowerShell for Windows code signing (native Windows, no path issues)
|
||||
find_program(POWERSHELL_EXECUTABLE
|
||||
find_program(POWERSHELL_EXECUTABLE
|
||||
NAMES pwsh.exe powershell.exe
|
||||
PATHS
|
||||
PATHS
|
||||
"C:/Program Files/PowerShell/7"
|
||||
"C:/Program Files (x86)/PowerShell/7"
|
||||
"C:/Windows/System32/WindowsPowerShell/v1.0"
|
||||
DOC "Path to PowerShell executable"
|
||||
)
|
||||
|
||||
|
||||
if(NOT POWERSHELL_EXECUTABLE)
|
||||
set(POWERSHELL_EXECUTABLE "powershell.exe")
|
||||
endif()
|
||||
|
||||
|
||||
message(STATUS "Using PowerShell executable: ${POWERSHELL_EXECUTABLE}")
|
||||
|
||||
|
||||
# Sign both bun-profile.exe and bun.exe after stripping
|
||||
register_command(
|
||||
TARGET
|
||||
|
||||
@@ -4,7 +4,7 @@ register_repository(
|
||||
REPOSITORY
|
||||
c-ares/c-ares
|
||||
COMMIT
|
||||
3ac47ee46edd8ea40370222f91613fc16c434853
|
||||
d3a507e920e7af18a5efb7f9f1d8044ed4750013
|
||||
)
|
||||
|
||||
register_cmake_command(
|
||||
|
||||
@@ -4,7 +4,7 @@ register_repository(
|
||||
REPOSITORY
|
||||
ebiggers/libdeflate
|
||||
COMMIT
|
||||
c8c56a20f8f621e6a966b716b31f1dedab6a41e3
|
||||
96836d7d9d10e3e0d53e6edb54eb908514e336c4
|
||||
)
|
||||
|
||||
register_cmake_command(
|
||||
|
||||
@@ -49,6 +49,3 @@ else()
|
||||
setenv(CCACHE_MAXSIZE 100G)
|
||||
setenv(CCACHE_SLOPPINESS "pch_defines,time_macros,locale,random_seed,clang_index_store,gcno_cwd")
|
||||
endif()
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -4,9 +4,41 @@ find_command(
|
||||
COMMAND
|
||||
git
|
||||
REQUIRED
|
||||
${CI}
|
||||
OFF
|
||||
)
|
||||
|
||||
if(NOT GIT_PROGRAM)
|
||||
return()
|
||||
endif()
|
||||
|
||||
set(GIT_DIFF_COMMAND ${GIT_PROGRAM} diff --no-color --name-only --diff-filter=AMCR origin/main HEAD)
|
||||
|
||||
execute_process(
|
||||
COMMAND
|
||||
${GIT_DIFF_COMMAND}
|
||||
WORKING_DIRECTORY
|
||||
${CWD}
|
||||
OUTPUT_STRIP_TRAILING_WHITESPACE
|
||||
OUTPUT_VARIABLE
|
||||
GIT_DIFF
|
||||
ERROR_STRIP_TRAILING_WHITESPACE
|
||||
ERROR_VARIABLE
|
||||
GIT_DIFF_ERROR
|
||||
RESULT_VARIABLE
|
||||
GIT_DIFF_RESULT
|
||||
)
|
||||
|
||||
if(NOT GIT_DIFF_RESULT EQUAL 0)
|
||||
message(WARNING "Command failed: ${GIT_DIFF_COMMAND} ${GIT_DIFF_ERROR}")
|
||||
return()
|
||||
endif()
|
||||
|
||||
string(REPLACE "\n" ";" GIT_CHANGED_SOURCES "${GIT_DIFF}")
|
||||
|
||||
if(CI)
|
||||
set(GIT_CHANGED_SOURCES "${GIT_CHANGED_SOURCES}")
|
||||
message(STATUS "Set GIT_CHANGED_SOURCES: ${GIT_CHANGED_SOURCES}")
|
||||
endif()
|
||||
|
||||
list(TRANSFORM GIT_CHANGED_SOURCES PREPEND ${CWD}/)
|
||||
list(LENGTH GIT_CHANGED_SOURCES GIT_CHANGED_SOURCES_COUNT)
|
||||
|
||||
@@ -1,123 +0,0 @@
|
||||
# Setup sccache as the C and C++ compiler launcher to speed up builds by caching
|
||||
if(CACHE_STRATEGY STREQUAL "none")
|
||||
return()
|
||||
endif()
|
||||
|
||||
set(SCCACHE_SHARED_CACHE_REGION "us-west-1")
|
||||
set(SCCACHE_SHARED_CACHE_BUCKET "bun-build-sccache-store")
|
||||
|
||||
# Function to check if the system AWS credentials have access to the sccache S3 bucket.
|
||||
function(check_aws_credentials OUT_VAR)
|
||||
# Install dependencies first
|
||||
execute_process(
|
||||
COMMAND ${BUN_EXECUTABLE} install --frozen-lockfile
|
||||
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/scripts/build-cache
|
||||
RESULT_VARIABLE INSTALL_EXIT_CODE
|
||||
OUTPUT_VARIABLE INSTALL_OUTPUT
|
||||
ERROR_VARIABLE INSTALL_ERROR
|
||||
)
|
||||
|
||||
if(NOT INSTALL_EXIT_CODE EQUAL 0)
|
||||
message(FATAL_ERROR "Failed to install dependencies in scripts/build-cache\n"
|
||||
"Exit code: ${INSTALL_EXIT_CODE}\n"
|
||||
"Output: ${INSTALL_OUTPUT}\n"
|
||||
"Error: ${INSTALL_ERROR}")
|
||||
endif()
|
||||
|
||||
# Check AWS credentials
|
||||
execute_process(
|
||||
COMMAND
|
||||
${BUN_EXECUTABLE}
|
||||
run
|
||||
have-access.ts
|
||||
--bucket ${SCCACHE_SHARED_CACHE_BUCKET}
|
||||
--region ${SCCACHE_SHARED_CACHE_REGION}
|
||||
WORKING_DIRECTORY
|
||||
${CMAKE_SOURCE_DIR}/scripts/build-cache
|
||||
RESULT_VARIABLE HAVE_ACCESS_EXIT_CODE
|
||||
)
|
||||
|
||||
if(HAVE_ACCESS_EXIT_CODE EQUAL 0)
|
||||
set(HAS_CREDENTIALS TRUE)
|
||||
else()
|
||||
set(HAS_CREDENTIALS FALSE)
|
||||
endif()
|
||||
|
||||
set(${OUT_VAR} ${HAS_CREDENTIALS} PARENT_SCOPE)
|
||||
endfunction()
|
||||
|
||||
# Configure sccache to use the local cache only.
|
||||
function(sccache_configure_local_filesystem)
|
||||
unsetenv(SCCACHE_BUCKET)
|
||||
unsetenv(SCCACHE_REGION)
|
||||
setenv(SCCACHE_DIR "${CACHE_PATH}/sccache")
|
||||
endfunction()
|
||||
|
||||
# Configure sccache to use the distributed cache (S3 + local).
|
||||
function(sccache_configure_distributed)
|
||||
setenv(SCCACHE_BUCKET "${SCCACHE_SHARED_CACHE_BUCKET}")
|
||||
setenv(SCCACHE_REGION "${SCCACHE_SHARED_CACHE_REGION}")
|
||||
setenv(SCCACHE_DIR "${CACHE_PATH}/sccache")
|
||||
endfunction()
|
||||
|
||||
function(sccache_configure_environment_ci)
|
||||
if(CACHE_STRATEGY STREQUAL "auto" OR CACHE_STRATEGY STREQUAL "distributed")
|
||||
check_aws_credentials(HAS_AWS_CREDENTIALS)
|
||||
if(HAS_AWS_CREDENTIALS)
|
||||
sccache_configure_distributed()
|
||||
message(NOTICE "sccache: Using distributed cache strategy.")
|
||||
else()
|
||||
message(FATAL_ERROR "CI CACHE_STRATEGY is set to '${CACHE_STRATEGY}', but no valid AWS "
|
||||
"credentials were found. Note that 'auto' requires AWS credentials to access the shared "
|
||||
"cache in CI.")
|
||||
endif()
|
||||
elseif(CACHE_STRATEGY STREQUAL "local")
|
||||
# We disallow this because we want our CI runs to always used the shared cache to accelerate
|
||||
# builds.
|
||||
# none, distributed and auto are all okay.
|
||||
#
|
||||
# If local is configured, it's as good as "none", so this is probably user error.
|
||||
message(FATAL_ERROR "CI CACHE_STRATEGY is set to 'local', which is not allowed.")
|
||||
endif()
|
||||
endfunction()
|
||||
|
||||
function(sccache_configure_environment_developer)
|
||||
# Local environments can use any strategy they like. S3 is set up in such a way so as to clean
|
||||
# itself from old entries automatically.
|
||||
if (CACHE_STRATEGY STREQUAL "auto" OR CACHE_STRATEGY STREQUAL "local")
|
||||
# In the local environment, we prioritize using the local cache. This is because sccache takes
|
||||
# into consideration the whole absolute path of the files being compiled, and it's very
|
||||
# unlikely users will have the same absolute paths on their local machines.
|
||||
sccache_configure_local_filesystem()
|
||||
message(NOTICE "sccache: Using local cache strategy.")
|
||||
elseif(CACHE_STRATEGY STREQUAL "distributed")
|
||||
check_aws_credentials(HAS_AWS_CREDENTIALS)
|
||||
if(HAS_AWS_CREDENTIALS)
|
||||
sccache_configure_distributed()
|
||||
message(NOTICE "sccache: Using distributed cache strategy.")
|
||||
else()
|
||||
message(FATAL_ERROR "CACHE_STRATEGY is set to 'distributed', but no valid AWS credentials "
|
||||
"were found.")
|
||||
endif()
|
||||
endif()
|
||||
endfunction()
|
||||
|
||||
find_command(VARIABLE SCCACHE_PROGRAM COMMAND sccache REQUIRED ${CI})
|
||||
if(NOT SCCACHE_PROGRAM)
|
||||
message(WARNING "sccache not found. Your builds will be slower.")
|
||||
return()
|
||||
endif()
|
||||
|
||||
set(SCCACHE_ARGS CMAKE_C_COMPILER_LAUNCHER CMAKE_CXX_COMPILER_LAUNCHER)
|
||||
foreach(arg ${SCCACHE_ARGS})
|
||||
setx(${arg} ${SCCACHE_PROGRAM})
|
||||
list(APPEND CMAKE_ARGS -D${arg}=${${arg}})
|
||||
endforeach()
|
||||
|
||||
setenv(SCCACHE_LOG "info")
|
||||
|
||||
if (CI)
|
||||
sccache_configure_environment_ci()
|
||||
else()
|
||||
sccache_configure_environment_developer()
|
||||
endif()
|
||||
@@ -2,7 +2,7 @@ option(WEBKIT_VERSION "The version of WebKit to use")
|
||||
option(WEBKIT_LOCAL "If a local version of WebKit should be used instead of downloading")
|
||||
|
||||
if(NOT WEBKIT_VERSION)
|
||||
set(WEBKIT_VERSION 8400ec68b2649d7b95f10576ad648c3aa8a92b77)
|
||||
set(WEBKIT_VERSION 6d0f3aac0b817cc01a846b3754b21271adedac12)
|
||||
endif()
|
||||
|
||||
string(SUBSTRING ${WEBKIT_VERSION} 0 16 WEBKIT_VERSION_PREFIX)
|
||||
|
||||
@@ -20,7 +20,7 @@ else()
|
||||
unsupported(CMAKE_SYSTEM_NAME)
|
||||
endif()
|
||||
|
||||
set(ZIG_COMMIT "c1423ff3fc7064635773a4a4616c5bf986eb00fe")
|
||||
set(ZIG_COMMIT "55fdbfa0c86be86b68d43a4ba761e6909eb0d7b2")
|
||||
optionx(ZIG_TARGET STRING "The zig target to use" DEFAULT ${DEFAULT_ZIG_TARGET})
|
||||
|
||||
if(CMAKE_BUILD_TYPE STREQUAL "Release")
|
||||
@@ -55,7 +55,13 @@ optionx(ZIG_OBJECT_FORMAT "obj|bc" "Output file format for Zig object files" DEF
|
||||
optionx(ZIG_LOCAL_CACHE_DIR FILEPATH "The path to local the zig cache directory" DEFAULT ${CACHE_PATH}/zig/local)
|
||||
optionx(ZIG_GLOBAL_CACHE_DIR FILEPATH "The path to the global zig cache directory" DEFAULT ${CACHE_PATH}/zig/global)
|
||||
|
||||
optionx(ZIG_COMPILER_SAFE BOOL "Download a ReleaseSafe build of the Zig compiler." DEFAULT ${CI})
|
||||
if(CI)
|
||||
set(ZIG_COMPILER_SAFE_DEFAULT ON)
|
||||
else()
|
||||
set(ZIG_COMPILER_SAFE_DEFAULT OFF)
|
||||
endif()
|
||||
|
||||
optionx(ZIG_COMPILER_SAFE BOOL "Download a ReleaseSafe build of the Zig compiler." DEFAULT ${ZIG_COMPILER_SAFE_DEFAULT})
|
||||
|
||||
setenv(ZIG_LOCAL_CACHE_DIR ${ZIG_LOCAL_CACHE_DIR})
|
||||
setenv(ZIG_GLOBAL_CACHE_DIR ${ZIG_GLOBAL_CACHE_DIR})
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
FROM debian:trixie-slim AS build
|
||||
FROM debian:bookworm-slim AS build
|
||||
|
||||
# https://github.com/oven-sh/bun/releases
|
||||
ARG BUN_VERSION=latest
|
||||
@@ -55,7 +55,7 @@ RUN apt-get update -qq \
|
||||
&& which bun \
|
||||
&& bun --version
|
||||
|
||||
FROM debian:trixie-slim
|
||||
FROM debian:bookworm-slim
|
||||
|
||||
# Disable the runtime transpiler cache by default inside Docker containers.
|
||||
# On ephemeral containers, the cache is not useful
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
FROM debian:trixie-slim AS build
|
||||
FROM debian:bookworm-slim AS build
|
||||
|
||||
# https://github.com/oven-sh/bun/releases
|
||||
ARG BUN_VERSION=latest
|
||||
@@ -56,7 +56,7 @@ RUN apt-get update -qq \
|
||||
&& rm -f "bun-linux-$build.zip" SHASUMS256.txt.asc SHASUMS256.txt \
|
||||
&& chmod +x /usr/local/bin/bun
|
||||
|
||||
FROM debian:trixie
|
||||
FROM debian:bookworm
|
||||
|
||||
COPY docker-entrypoint.sh /usr/local/bin
|
||||
COPY --from=build /usr/local/bin/bun /usr/local/bin/bun
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
FROM debian:trixie-slim AS build
|
||||
FROM debian:bookworm-slim AS build
|
||||
|
||||
# https://github.com/oven-sh/bun/releases
|
||||
ARG BUN_VERSION=latest
|
||||
@@ -55,7 +55,7 @@ RUN apt-get update -qq \
|
||||
&& which bun \
|
||||
&& bun --version
|
||||
|
||||
FROM gcr.io/distroless/base-nossl-debian13
|
||||
FROM gcr.io/distroless/base-nossl-debian11
|
||||
|
||||
# Disable the runtime transpiler cache by default inside Docker containers.
|
||||
# On ephemeral containers, the cache is not useful
|
||||
@@ -71,7 +71,6 @@ ENV PATH "${PATH}:/usr/local/bun-node-fallback-bin"
|
||||
|
||||
# Temporarily use the `build`-stage image binaries to create a symlink:
|
||||
RUN --mount=type=bind,from=build,source=/usr/bin,target=/usr/bin \
|
||||
--mount=type=bind,from=build,source=/etc/alternatives/which,target=/etc/alternatives/which \
|
||||
--mount=type=bind,from=build,source=/bin,target=/bin \
|
||||
--mount=type=bind,from=build,source=/usr/lib,target=/usr/lib \
|
||||
--mount=type=bind,from=build,source=/lib,target=/lib \
|
||||
|
||||
@@ -1,28 +0,0 @@
|
||||
<p align="center">
|
||||
<a href="https://bun.com">
|
||||
<img src="https://github.com/user-attachments/assets/50282090-adfd-4ddb-9e27-c30753c6b161" alt="Logo" height="170" />
|
||||
</a>
|
||||
</p>
|
||||
<h1 align="center">Bun Documentation</h1>
|
||||
|
||||
Official documentation for Bun: the fast, all-in-one JavaScript runtime.
|
||||
|
||||
## Development
|
||||
|
||||
Install the [Mintlify CLI](https://www.npmjs.com/package/mint) to preview the documentation locally:
|
||||
|
||||
```bash
|
||||
bun install -g mint
|
||||
```
|
||||
|
||||
Run the development server:
|
||||
|
||||
```bash
|
||||
mint dev
|
||||
```
|
||||
|
||||
The site will be available at `http://localhost:3000`.
|
||||
|
||||
## Contributing
|
||||
|
||||
Contributions are welcome! Please open an issue or submit a pull request.
|
||||
@@ -1,23 +1,41 @@
|
||||
---
|
||||
title: Binary Data
|
||||
description: Working with binary data in JavaScript
|
||||
---
|
||||
|
||||
This page is intended as an introduction to working with binary data in JavaScript. Bun implements a number of data types and utilities for working with binary data, most of which are Web-standard. Any Bun-specific APIs will be noted as such.
|
||||
|
||||
Below is a quick "cheat sheet" that doubles as a table of contents. Click an item in the left column to jump to that section.
|
||||
|
||||
| Class | Description |
|
||||
| --------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
|
||||
| [`TypedArray`](#typedarray) | A family of classes that provide an `Array`-like interface for interacting with binary data. Includes `Uint8Array`, `Uint16Array`, `Int8Array`, and more. |
|
||||
| [`Buffer`](#buffer) | A subclass of `Uint8Array` that implements a wide range of convenience methods. Unlike the other elements in this table, this is a Node.js API (which Bun implements). It can't be used in the browser. |
|
||||
| [`DataView`](#dataview) | A class that provides a `get/set` API for writing some number of bytes to an `ArrayBuffer` at a particular byte offset. Often used reading or writing binary protocols. |
|
||||
| [`Blob`](#blob) | A readonly blob of binary data usually representing a file. Has a MIME `type`, a `size`, and methods for converting to `ArrayBuffer`, `ReadableStream`, and string. |
|
||||
| [`File`](#file) | A subclass of `Blob` that represents a file. Has a `name` and `lastModified` timestamp. There is experimental support in Node.js v20. |
|
||||
| [`BunFile`](#bunfile) | _Bun only_. A subclass of `Blob` that represents a lazily-loaded file on disk. Created with `Bun.file(path)`. |
|
||||
{% table %}
|
||||
|
||||
---
|
||||
|
||||
- [`TypedArray`](#typedarray)
|
||||
- A family of classes that provide an `Array`-like interface for interacting with binary data. Includes `Uint8Array`, `Uint16Array`, `Int8Array`, and more.
|
||||
|
||||
---
|
||||
|
||||
- [`Buffer`](#buffer)
|
||||
- A subclass of `Uint8Array` that implements a wide range of convenience methods. Unlike the other elements in this table, this is a Node.js API (which Bun implements). It can't be used in the browser.
|
||||
|
||||
---
|
||||
|
||||
- [`DataView`](#dataview)
|
||||
- A class that provides a `get/set` API for writing some number of bytes to an `ArrayBuffer` at a particular byte offset. Often used reading or writing binary protocols.
|
||||
|
||||
---
|
||||
|
||||
- [`Blob`](#blob)
|
||||
- A readonly blob of binary data usually representing a file. Has a MIME `type`, a `size`, and methods for converting to `ArrayBuffer`, `ReadableStream`, and string.
|
||||
|
||||
---
|
||||
|
||||
- [`File`](#file)
|
||||
- A subclass of `Blob` that represents a file. Has a `name` and `lastModified` timestamp. There is experimental support in Node.js v20.
|
||||
|
||||
---
|
||||
|
||||
- [`BunFile`](#bunfile)
|
||||
- _Bun only_. A subclass of `Blob` that represents a lazily-loaded file on disk. Created with `Bun.file(path)`.
|
||||
|
||||
{% /table %}
|
||||
|
||||
## `ArrayBuffer` and views
|
||||
|
||||
Until 2009, there was no language-native way to store and manipulate binary data in JavaScript. ECMAScript v5 introduced a range of new mechanisms for this. The most fundamental building block is `ArrayBuffer`, a simple data structure that represents a sequence of bytes in memory.
|
||||
@@ -80,28 +98,70 @@ dv.setFloat64(0, 3.1415);
|
||||
|
||||
The following methods are available on `DataView`:
|
||||
|
||||
| Getters | Setters |
|
||||
| -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- |
|
||||
| [`getBigInt64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigInt64) | [`setBigInt64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setBigInt64) |
|
||||
| [`getBigUint64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigUint64) | [`setBigUint64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setBigUint64) |
|
||||
| [`getFloat32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat32) | [`setFloat32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat32) |
|
||||
| [`getFloat64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat64) | [`setFloat64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat64) |
|
||||
| [`getInt16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt16) | [`setInt16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt16) |
|
||||
| [`getInt32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt32) | [`setInt32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt32) |
|
||||
| [`getInt8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt8) | [`setInt8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt8) |
|
||||
| [`getUint16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint16) | [`setUint16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint16) |
|
||||
| [`getUint32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint32) | [`setUint32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint32) |
|
||||
| [`getUint8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint8) | [`setUint8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint8) |
|
||||
{% table %}
|
||||
|
||||
- Getters
|
||||
- Setters
|
||||
|
||||
---
|
||||
|
||||
- [`getBigInt64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigInt64)
|
||||
- [`setBigInt64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setBigInt64)
|
||||
|
||||
---
|
||||
|
||||
- [`getBigUint64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigUint64)
|
||||
- [`setBigUint64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setBigUint64)
|
||||
|
||||
---
|
||||
|
||||
- [`getFloat32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat32)
|
||||
- [`setFloat32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat32)
|
||||
|
||||
---
|
||||
|
||||
- [`getFloat64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat64)
|
||||
- [`setFloat64()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat64)
|
||||
|
||||
---
|
||||
|
||||
- [`getInt16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt16)
|
||||
- [`setInt16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt16)
|
||||
|
||||
---
|
||||
|
||||
- [`getInt32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt32)
|
||||
- [`setInt32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt32)
|
||||
|
||||
---
|
||||
|
||||
- [`getInt8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt8)
|
||||
- [`setInt8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt8)
|
||||
|
||||
---
|
||||
|
||||
- [`getUint16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint16)
|
||||
- [`setUint16()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint16)
|
||||
|
||||
---
|
||||
|
||||
- [`getUint32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint32)
|
||||
- [`setUint32()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint32)
|
||||
|
||||
---
|
||||
|
||||
- [`getUint8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint8)
|
||||
- [`setUint8()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint8)
|
||||
|
||||
{% /table %}
|
||||
|
||||
### `TypedArray`
|
||||
|
||||
Typed arrays are a family of classes that provide an `Array`-like interface for interacting with data in an `ArrayBuffer`. Whereas a `DataView` lets you write numbers of varying size at a particular offset, a `TypedArray` interprets the underlying bytes as an array of numbers, each of a fixed size.
|
||||
|
||||
<Note>
|
||||
It's common to refer to this family of classes collectively by their shared superclass `TypedArray`. This class as
|
||||
_internal_ to JavaScript; you can't directly create instances of it, and `TypedArray` is not defined in the global
|
||||
scope. Think of it as an `interface` or an abstract class.
|
||||
</Note>
|
||||
{% callout %}
|
||||
**Note** — It's common to refer to this family of classes collectively by their shared superclass `TypedArray`. This class as _internal_ to JavaScript; you can't directly create instances of it, and `TypedArray` is not defined in the global scope. Think of it as an `interface` or an abstract class.
|
||||
{% /callout %}
|
||||
|
||||
```ts
|
||||
const buffer = new ArrayBuffer(3);
|
||||
@@ -122,32 +182,121 @@ The top row contains the raw bytes, and the later rows contain how these bytes w
|
||||
|
||||
The following classes are typed arrays, along with a description of how they interpret the bytes in an `ArrayBuffer`:
|
||||
|
||||
Here's the first table formatted as a markdown table:
|
||||
{% table %}
|
||||
|
||||
| Class | Description |
|
||||
| ------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
|
||||
| [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) | Every one (1) byte is interpreted as an unsigned 8-bit integer. Range 0 to 255. |
|
||||
| [`Uint16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array) | Every two (2) bytes are interpreted as an unsigned 16-bit integer. Range 0 to 65535. |
|
||||
| [`Uint32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array) | Every four (4) bytes are interpreted as an unsigned 32-bit integer. Range 0 to 4294967295. |
|
||||
| [`Int8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array) | Every one (1) byte is interpreted as a signed 8-bit integer. Range -128 to 127. |
|
||||
| [`Int16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int16Array) | Every two (2) bytes are interpreted as a signed 16-bit integer. Range -32768 to 32767. |
|
||||
| [`Int32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array) | Every four (4) bytes are interpreted as a signed 32-bit integer. Range -2147483648 to 2147483647. |
|
||||
| [`Float16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float16Array) | Every two (2) bytes are interpreted as a 16-bit floating point number. Range -6.104e5 to 6.55e4. |
|
||||
| [`Float32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array) | Every four (4) bytes are interpreted as a 32-bit floating point number. Range -3.4e38 to 3.4e38. |
|
||||
| [`Float64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array) | Every eight (8) bytes are interpreted as a 64-bit floating point number. Range -1.7e308 to 1.7e308. |
|
||||
| [`BigInt64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt64Array) | Every eight (8) bytes are interpreted as a signed `BigInt`. Range -9223372036854775808 to 9223372036854775807 (though `BigInt` is capable of representing larger numbers). |
|
||||
| [`BigUint64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigUint64Array) | Every eight (8) bytes are interpreted as an unsigned `BigInt`. Range 0 to 18446744073709551615 (though `BigInt` is capable of representing larger numbers). |
|
||||
| [`Uint8ClampedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray) | Same as `Uint8Array`, but automatically "clamps" to the range 0-255 when assigning a value to an element. |
|
||||
- Class
|
||||
- Description
|
||||
|
||||
---
|
||||
|
||||
- [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array)
|
||||
- Every one (1) byte is interpreted as an unsigned 8-bit integer. Range 0 to 255.
|
||||
|
||||
---
|
||||
|
||||
- [`Uint16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array)
|
||||
- Every two (2) bytes are interpreted as an unsigned 16-bit integer. Range 0 to 65535.
|
||||
|
||||
---
|
||||
|
||||
- [`Uint32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array)
|
||||
- Every four (4) bytes are interpreted as an unsigned 32-bit integer. Range 0 to 4294967295.
|
||||
|
||||
---
|
||||
|
||||
- [`Int8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array)
|
||||
- Every one (1) byte is interpreted as a signed 8-bit integer. Range -128 to 127.
|
||||
|
||||
---
|
||||
|
||||
- [`Int16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int16Array)
|
||||
- Every two (2) bytes are interpreted as a signed 16-bit integer. Range -32768 to 32767.
|
||||
|
||||
---
|
||||
|
||||
- [`Int32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array)
|
||||
- Every four (4) bytes are interpreted as a signed 32-bit integer. Range -2147483648 to 2147483647.
|
||||
|
||||
---
|
||||
|
||||
- [`Float16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float16Array)
|
||||
- Every two (2) bytes are interpreted as a 16-bit floating point number. Range -6.104e5 to 6.55e4.
|
||||
|
||||
---
|
||||
|
||||
- [`Float32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array)
|
||||
- Every four (4) bytes are interpreted as a 32-bit floating point number. Range -3.4e38 to 3.4e38.
|
||||
|
||||
---
|
||||
|
||||
- [`Float64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array)
|
||||
- Every eight (8) bytes are interpreted as a 64-bit floating point number. Range -1.7e308 to 1.7e308.
|
||||
|
||||
---
|
||||
|
||||
- [`BigInt64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt64Array)
|
||||
- Every eight (8) bytes are interpreted as a signed `BigInt`. Range -9223372036854775808 to 9223372036854775807 (though `BigInt` is capable of representing larger numbers).
|
||||
|
||||
---
|
||||
|
||||
- [`BigUint64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigUint64Array)
|
||||
- Every eight (8) bytes are interpreted as an unsigned `BigInt`. Range 0 to 18446744073709551615 (though `BigInt` is capable of representing larger numbers).
|
||||
|
||||
---
|
||||
|
||||
- [`Uint8ClampedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray)
|
||||
- Same as `Uint8Array`, but automatically "clamps" to the range 0-255 when assigning a value to an element.
|
||||
|
||||
{% /table %}
|
||||
|
||||
The table below demonstrates how the bytes in an `ArrayBuffer` are interpreted when viewed using different typed array classes.
|
||||
|
||||
| | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 | Byte 7 |
|
||||
| ---------------- | ------------------- | ---------- | ------------------- | ---------- | -------------------- | ---------- | -------------------- | ---------- |
|
||||
| `ArrayBuffer` | `00000000` | `00000001` | `00000010` | `00000011` | `00000100` | `00000101` | `00000110` | `00000111` |
|
||||
| `Uint8Array` | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|
||||
| `Uint16Array` | 256 (`1 * 256 + 0`) | | 770 (`3 * 256 + 2`) | | 1284 (`5 * 256 + 4`) | | 1798 (`7 * 256 + 6`) | |
|
||||
| `Uint32Array` | 50462976 | | | | 117835012 | | | |
|
||||
| `BigUint64Array` | 506097522914230528n | | | | | | | |
|
||||
{% table %}
|
||||
|
||||
---
|
||||
|
||||
- `ArrayBuffer`
|
||||
- `00000000`
|
||||
- `00000001`
|
||||
- `00000010`
|
||||
- `00000011`
|
||||
- `00000100`
|
||||
- `00000101`
|
||||
- `00000110`
|
||||
- `00000111`
|
||||
|
||||
---
|
||||
|
||||
- `Uint8Array`
|
||||
- 0
|
||||
- 1
|
||||
- 2
|
||||
- 3
|
||||
- 4
|
||||
- 5
|
||||
- 6
|
||||
- 7
|
||||
|
||||
---
|
||||
|
||||
- `Uint16Array`
|
||||
- 256 (`1 * 256 + 0`) {% colspan=2 %}
|
||||
- 770 (`3 * 256 + 2`) {% colspan=2 %}
|
||||
- 1284 (`5 * 256 + 4`) {% colspan=2 %}
|
||||
- 1798 (`7 * 256 + 6`) {% colspan=2 %}
|
||||
|
||||
---
|
||||
|
||||
- `Uint32Array`
|
||||
- 50462976 {% colspan=4 %}
|
||||
- 117835012 {% colspan=4 %}
|
||||
|
||||
---
|
||||
|
||||
- `BigUint64Array`
|
||||
- 506097522914230528n {% colspan=8 %}
|
||||
|
||||
{% /table %}
|
||||
|
||||
To create a typed array from a pre-defined `ArrayBuffer`:
|
||||
|
||||
@@ -319,7 +468,9 @@ const file = Bun.file("index.txt");
|
||||
|
||||
### `File`
|
||||
|
||||
<Warning>Browser only. Experimental support in Node.js 20.</Warning>
|
||||
{% callout %}
|
||||
Browser only. Experimental support in Node.js 20.
|
||||
{% /callout %}
|
||||
|
||||
[`File`](https://developer.mozilla.org/en-US/docs/Web/API/File) is a subclass of `Blob` that adds a `name` and `lastModified` property. It's commonly used in the browser to represent files uploaded via a `<input type="file">` element. Node.js and Bun implement `File`.
|
||||
|
||||
@@ -339,21 +490,15 @@ const file = new File(["<html>Hello</html>"], "index.html", {
|
||||
|
||||
Refer to the [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/API/Blob) for complete docs information.
|
||||
|
||||
---
|
||||
|
||||
## Streams
|
||||
|
||||
Streams are an important abstraction for working with binary data without loading it all into memory at once. They are commonly used for reading and writing files, sending and receiving network requests, and processing large amounts of data.
|
||||
|
||||
Bun implements the Web APIs [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream) and [`WritableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream).
|
||||
|
||||
<Note>
|
||||
Bun also implements the `node:stream` module, including
|
||||
[`Readable`](https://nodejs.org/api/stream.html#stream_readable_streams),
|
||||
[`Writable`](https://nodejs.org/api/stream.html#stream_writable_streams), and
|
||||
[`Duplex`](https://nodejs.org/api/stream.html#stream_duplex_and_transform_streams). For complete documentation, refer
|
||||
to the Node.js docs.
|
||||
</Note>
|
||||
{% callout %}
|
||||
Bun also implements the `node:stream` module, including [`Readable`](https://nodejs.org/api/stream.html#stream_readable_streams), [`Writable`](https://nodejs.org/api/stream.html#stream_writable_streams), and [`Duplex`](https://nodejs.org/api/stream.html#stream_duplex_and_transform_streams). For complete documentation, refer to the Node.js docs.
|
||||
{% /callout %}
|
||||
|
||||
To create a simple readable stream:
|
||||
|
||||
@@ -372,15 +517,12 @@ The contents of this stream can be read chunk-by-chunk with `for await` syntax.
|
||||
```ts
|
||||
for await (const chunk of stream) {
|
||||
console.log(chunk);
|
||||
// => "hello"
|
||||
// => "world"
|
||||
}
|
||||
|
||||
// => "hello"
|
||||
// => "world"
|
||||
```
|
||||
|
||||
For a more complete discussion of streams in Bun, see [API > Streams](/runtime/streams).
|
||||
|
||||
---
|
||||
For a more complete discussion of streams in Bun, see [API > Streams](https://bun.com/docs/api/streams).
|
||||
|
||||
## Conversion
|
||||
|
||||
@@ -432,6 +574,12 @@ Array.from(new Uint8Array(buf));
|
||||
new Blob([buf], { type: "text/plain" });
|
||||
```
|
||||
|
||||
<!-- #### To `File`
|
||||
|
||||
```ts
|
||||
new File([buf], "filename.txt", { type: "text/plain", lastModified: Date.now() });
|
||||
``` -->
|
||||
|
||||
#### To `ReadableStream`
|
||||
|
||||
The following snippet creates a `ReadableStream` and enqueues the entire `ArrayBuffer` as a single chunk.
|
||||
@@ -445,7 +593,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="With chunking">
|
||||
{% details summary="With chunking" %}
|
||||
To stream the `ArrayBuffer` in chunks, use a `Uint8Array` view and enqueue each chunk.
|
||||
|
||||
```ts
|
||||
@@ -462,7 +610,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### From `TypedArray`
|
||||
|
||||
@@ -509,6 +657,12 @@ Array.from(arr);
|
||||
new Blob([arr.buffer], { type: "text/plain" });
|
||||
```
|
||||
|
||||
<!-- #### To `File`
|
||||
|
||||
```ts
|
||||
new File([arr.buffer], "filename.txt", { type: "text/plain", lastModified: Date.now() });
|
||||
``` -->
|
||||
|
||||
#### To `ReadableStream`
|
||||
|
||||
```ts
|
||||
@@ -520,8 +674,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="With chunking">
|
||||
|
||||
{% details summary="With chunking" %}
|
||||
To stream the `ArrayBuffer` in chunks, split the `TypedArray` into chunks and enqueue each one individually.
|
||||
|
||||
```ts
|
||||
@@ -535,7 +688,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### From `DataView`
|
||||
|
||||
@@ -582,6 +735,12 @@ Array.from(view);
|
||||
new Blob([view.buffer], { type: "text/plain" });
|
||||
```
|
||||
|
||||
<!-- #### To `File`
|
||||
|
||||
```ts
|
||||
new File([view.buffer], "filename.txt", { type: "text/plain", lastModified: Date.now() });
|
||||
``` -->
|
||||
|
||||
#### To `ReadableStream`
|
||||
|
||||
```ts
|
||||
@@ -593,7 +752,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="With chunking">
|
||||
{% details summary="With chunking" %}
|
||||
To stream the `ArrayBuffer` in chunks, split the `DataView` into chunks and enqueue each one individually.
|
||||
|
||||
```ts
|
||||
@@ -607,7 +766,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### From `Buffer`
|
||||
|
||||
@@ -661,6 +820,12 @@ Array.from(buf);
|
||||
new Blob([buf], { type: "text/plain" });
|
||||
```
|
||||
|
||||
<!-- #### To `File`
|
||||
|
||||
```ts
|
||||
new File([buf], "filename.txt", { type: "text/plain", lastModified: Date.now() });
|
||||
``` -->
|
||||
|
||||
#### To `ReadableStream`
|
||||
|
||||
```ts
|
||||
@@ -672,7 +837,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="With chunking">
|
||||
{% details summary="With chunking" %}
|
||||
To stream the `ArrayBuffer` in chunks, split the `Buffer` into chunks and enqueue each one individually.
|
||||
|
||||
```ts
|
||||
@@ -686,7 +851,7 @@ new ReadableStream({
|
||||
});
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### From `Blob`
|
||||
|
||||
@@ -736,6 +901,8 @@ Array.from(await blob.bytes());
|
||||
blob.stream();
|
||||
```
|
||||
|
||||
<!-- ### From `File` -->
|
||||
|
||||
### From `ReadableStream`
|
||||
|
||||
It's common to use [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response) as a convenient intermediate representation to make it easier to convert `ReadableStream` to other formats.
|
||||
@@ -837,6 +1004,14 @@ Bun.readableStreamToArray(stream);
|
||||
new Response(stream).blob();
|
||||
```
|
||||
|
||||
<!-- #### To `File`
|
||||
|
||||
```ts
|
||||
new Response(stream)
|
||||
.blob()
|
||||
.then(blob => new File([blob], "filename.txt", { type: "text/plain", lastModified: Date.now() }));
|
||||
``` -->
|
||||
|
||||
#### To `ReadableStream`
|
||||
|
||||
To split a `ReadableStream` into two streams that can be consumed independently:
|
||||
@@ -844,3 +1019,20 @@ To split a `ReadableStream` into two streams that can be consumed independently:
|
||||
```ts
|
||||
const [a, b] = stream.tee();
|
||||
```
|
||||
|
||||
<!-- - Use Buffer
|
||||
- TextEncoder
|
||||
- `Bun.ArrayBufferSink`
|
||||
- ReadableStream
|
||||
- AsyncIterator
|
||||
- TypedArray vs ArrayBuffer vs DataView
|
||||
- Bun.indexOfLine
|
||||
- “direct” readablestream
|
||||
- readable stream has assumptions about
|
||||
- its very generic
|
||||
- all data is copies and queued
|
||||
- direct : no queueing
|
||||
- just a write function
|
||||
- you can write strings
|
||||
- more synchronous
|
||||
- corking works better -->
|
||||
@@ -1,19 +1,12 @@
|
||||
---
|
||||
title: C Compiler
|
||||
description: Compile and run C from JavaScript with low overhead
|
||||
---
|
||||
|
||||
`bun:ffi` has experimental support for compiling and running C from JavaScript with low overhead.
|
||||
|
||||
---
|
||||
|
||||
## Usage (cc in `bun:ffi`)
|
||||
|
||||
See the [introduction blog post](https://bun.com/blog/compile-and-run-c-in-js) for more information.
|
||||
|
||||
JavaScript:
|
||||
|
||||
```ts hello.ts icon="file-code"
|
||||
```ts#hello.js
|
||||
import { cc } from "bun:ffi";
|
||||
import source from "./hello.c" with { type: "file" };
|
||||
|
||||
@@ -34,7 +27,7 @@ console.log("What is the answer to the universe?", hello());
|
||||
|
||||
C source:
|
||||
|
||||
```c hello.c
|
||||
```c#hello.c
|
||||
int hello() {
|
||||
return 42;
|
||||
}
|
||||
@@ -42,8 +35,8 @@ int hello() {
|
||||
|
||||
When you run `hello.js`, it will print:
|
||||
|
||||
```sh terminal icon="terminal"
|
||||
bun hello.js
|
||||
```sh
|
||||
$ bun hello.js
|
||||
What is the answer to the universe? 42
|
||||
```
|
||||
|
||||
@@ -51,7 +44,7 @@ Under the hood, `cc` uses [TinyCC](https://bellard.org/tcc/) to compile the C co
|
||||
|
||||
### Primitive types
|
||||
|
||||
The same `FFIType` values in [`dlopen`](/runtime/ffi) are supported in `cc`.
|
||||
The same `FFIType` values in [`dlopen`](/docs/api/ffi) are supported in `cc`.
|
||||
|
||||
| `FFIType` | C Type | Aliases |
|
||||
| ---------- | -------------- | --------------------------- |
|
||||
@@ -87,7 +80,7 @@ You can also pass a `napi_env` to receive the N-API environment used to call the
|
||||
|
||||
For example, if you have a string in C, you can return it to JavaScript like this:
|
||||
|
||||
```ts hello.ts
|
||||
```ts#hello.js
|
||||
import { cc } from "bun:ffi";
|
||||
import source from "./hello.c" with { type: "file" };
|
||||
|
||||
@@ -108,7 +101,7 @@ const result = hello();
|
||||
|
||||
And in C:
|
||||
|
||||
```c hello.c
|
||||
```c#hello.c
|
||||
#include <node/node_api.h>
|
||||
|
||||
napi_value hello(napi_env env) {
|
||||
@@ -120,7 +113,7 @@ napi_value hello(napi_env env) {
|
||||
|
||||
You can also use this to return other types like objects and arrays:
|
||||
|
||||
```c hello.c
|
||||
```c#hello.c
|
||||
#include <node/node_api.h>
|
||||
|
||||
napi_value hello(napi_env env) {
|
||||
@@ -196,7 +189,7 @@ type Defines = Record<string, string>;
|
||||
cc({
|
||||
source: "hello.c",
|
||||
define: {
|
||||
NDEBUG: "1",
|
||||
"NDEBUG": "1",
|
||||
},
|
||||
});
|
||||
```
|
||||
@@ -1,8 +1,3 @@
|
||||
---
|
||||
title: Color
|
||||
description: Format colors as CSS, ANSI, numbers, hex strings, and more
|
||||
---
|
||||
|
||||
`Bun.color(input, outputFormat?)` leverages Bun's CSS parser to parse, normalize, and convert colors from user input to a variety of output formats, including:
|
||||
|
||||
| Format | Example |
|
||||
@@ -247,7 +242,7 @@ Bun.color([255, 0, 0], "HEX"); // "#FF0000"
|
||||
|
||||
Like many of Bun's APIs, you can use macros to invoke `Bun.color` at bundle-time for use in client-side JavaScript builds:
|
||||
|
||||
```ts client-side.ts
|
||||
```ts#client-side.ts
|
||||
import { color } from "bun" with { type: "macro" };
|
||||
|
||||
console.log(color("#f00", "css"));
|
||||
@@ -1,14 +1,6 @@
|
||||
---
|
||||
title: Console
|
||||
description: The console object in Bun
|
||||
---
|
||||
|
||||
<Note>
|
||||
Bun provides a browser- and Node.js-compatible [console](https://developer.mozilla.org/en-US/docs/Web/API/console)
|
||||
global. This page only documents Bun-native APIs.
|
||||
</Note>
|
||||
|
||||
---
|
||||
{% callout %}
|
||||
**Note** — Bun provides a browser- and Node.js-compatible [console](https://developer.mozilla.org/en-US/docs/Web/API/console) global. This page only documents Bun-native APIs.
|
||||
{% /callout %}
|
||||
|
||||
## Object inspection depth
|
||||
|
||||
@@ -27,13 +19,11 @@ console.log(nested);
|
||||
|
||||
The CLI flag takes precedence over the configuration file setting.
|
||||
|
||||
---
|
||||
|
||||
## Reading from stdin
|
||||
|
||||
In Bun, the `console` object can be used as an `AsyncIterable` to sequentially read lines from `process.stdin`.
|
||||
|
||||
```ts adder.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
for await (const line of console) {
|
||||
console.log(line);
|
||||
}
|
||||
@@ -41,7 +31,7 @@ for await (const line of console) {
|
||||
|
||||
This is useful for implementing interactive programs, like the following addition calculator.
|
||||
|
||||
```ts adder.ts icon="/icons/typescript.svg"
|
||||
```ts#adder.ts
|
||||
console.log(`Let's add some numbers!`);
|
||||
console.write(`Count: 0\n> `);
|
||||
|
||||
@@ -54,8 +44,8 @@ for await (const line of console) {
|
||||
|
||||
To run the file:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun adder.ts
|
||||
```bash
|
||||
$ bun adder.ts
|
||||
Let's add some numbers!
|
||||
Count: 0
|
||||
> 5
|
||||
@@ -1,15 +1,10 @@
|
||||
---
|
||||
title: Cookies
|
||||
description: Use Bun's native APIs for working with HTTP cookies
|
||||
---
|
||||
|
||||
Bun provides native APIs for working with HTTP cookies through `Bun.Cookie` and `Bun.CookieMap`. These APIs offer fast, easy-to-use methods for parsing, generating, and manipulating cookies in HTTP requests and responses.
|
||||
|
||||
## CookieMap class
|
||||
|
||||
`Bun.CookieMap` provides a Map-like interface for working with collections of cookies. It implements the `Iterable` interface, allowing you to use it with `for...of` loops and other iteration methods.
|
||||
|
||||
```ts title="cookies.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Empty cookie map
|
||||
const cookies = new Bun.CookieMap();
|
||||
|
||||
@@ -33,7 +28,7 @@ const cookies3 = new Bun.CookieMap([
|
||||
|
||||
In Bun's HTTP server, the `cookies` property on the request object (in `routes`) is an instance of `CookieMap`:
|
||||
|
||||
```ts title="server.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const server = Bun.serve({
|
||||
routes: {
|
||||
"/": req => {
|
||||
@@ -68,7 +63,7 @@ console.log("Server listening at: " + server.url);
|
||||
|
||||
Retrieves a cookie by name. Returns `null` if the cookie doesn't exist.
|
||||
|
||||
```ts title="get-cookie.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Get by name
|
||||
const cookie = cookies.get("session");
|
||||
|
||||
@@ -81,7 +76,7 @@ if (cookie != null) {
|
||||
|
||||
Checks if a cookie with the given name exists.
|
||||
|
||||
```ts title="has-cookie.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Check if cookie exists
|
||||
if (cookies.has("session")) {
|
||||
// Cookie exists
|
||||
@@ -96,7 +91,7 @@ if (cookies.has("session")) {
|
||||
|
||||
Adds or updates a cookie in the map. Cookies default to `{ path: "/", sameSite: "lax" }`.
|
||||
|
||||
```ts title="set-cookie.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Set by name and value
|
||||
cookies.set("session", "abc123");
|
||||
|
||||
@@ -119,7 +114,7 @@ cookies.set(cookie);
|
||||
|
||||
Removes a cookie from the map. When applied to a Response, this adds a cookie with an empty string value and an expiry date in the past. A cookie will only delete successfully on the browser if the domain and path is the same as it was when the cookie was created.
|
||||
|
||||
```ts title="delete-cookie.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Delete by name using default domain and path.
|
||||
cookies.delete("session");
|
||||
|
||||
@@ -135,7 +130,7 @@ cookies.delete({
|
||||
|
||||
Converts the cookie map to a serializable format.
|
||||
|
||||
```ts title="cookie-to-json.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const json = cookies.toJSON();
|
||||
```
|
||||
|
||||
@@ -145,7 +140,7 @@ Returns an array of values for Set-Cookie headers that can be used to apply all
|
||||
|
||||
When using `Bun.serve()`, you don't need to call this method explicitly. Any changes made to the `req.cookies` map are automatically applied to the response headers. This method is primarily useful when working with other HTTP server implementations.
|
||||
|
||||
```js title="node-server.js" icon="file-code"
|
||||
```js
|
||||
import { createServer } from "node:http";
|
||||
import { CookieMap } from "bun";
|
||||
|
||||
@@ -172,7 +167,7 @@ server.listen(3000, () => {
|
||||
|
||||
`CookieMap` provides several methods for iteration:
|
||||
|
||||
```ts title="iterate-cookies.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Iterate over [name, cookie] entries
|
||||
for (const [name, value] of cookies) {
|
||||
console.log(`${name}: ${value}`);
|
||||
@@ -205,7 +200,7 @@ cookies.forEach((value, name) => {
|
||||
|
||||
Returns the number of cookies in the map.
|
||||
|
||||
```ts title="cookie-size.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
console.log(cookies.size); // Number of cookies
|
||||
```
|
||||
|
||||
@@ -213,7 +208,7 @@ console.log(cookies.size); // Number of cookies
|
||||
|
||||
`Bun.Cookie` represents an HTTP cookie with its name, value, and attributes.
|
||||
|
||||
```ts title="cookie-class.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { Cookie } from "bun";
|
||||
|
||||
// Create a basic cookie
|
||||
@@ -243,7 +238,7 @@ const objCookie = new Bun.Cookie({
|
||||
|
||||
### Constructors
|
||||
|
||||
```ts title="constructors.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Basic constructor with name/value
|
||||
new Bun.Cookie(name: string, value: string);
|
||||
|
||||
@@ -259,7 +254,7 @@ new Bun.Cookie(options: CookieInit);
|
||||
|
||||
### Properties
|
||||
|
||||
```ts title="cookie-properties.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
cookie.name; // string - Cookie name
|
||||
cookie.value; // string - Cookie value
|
||||
cookie.domain; // string | null - Domain scope (null if not specified)
|
||||
@@ -278,7 +273,7 @@ cookie.httpOnly; // boolean - Accessible only via HTTP (not JavaScript)
|
||||
|
||||
Checks if the cookie has expired.
|
||||
|
||||
```ts title="is-expired.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Expired cookie (Date in the past)
|
||||
const expiredCookie = new Bun.Cookie("name", "value", {
|
||||
expires: new Date(Date.now() - 1000),
|
||||
@@ -302,7 +297,7 @@ console.log(sessionCookie.isExpired()); // false
|
||||
|
||||
Returns a string representation of the cookie suitable for a `Set-Cookie` header.
|
||||
|
||||
```ts title="serialize-cookie.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const cookie = new Bun.Cookie("session", "abc123", {
|
||||
domain: "example.com",
|
||||
path: "/admin",
|
||||
@@ -322,7 +317,7 @@ console.log(cookie.toString());
|
||||
|
||||
Converts the cookie to a plain object suitable for JSON serialization.
|
||||
|
||||
```ts title="cookie-json.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const cookie = new Bun.Cookie("session", "abc123", {
|
||||
secure: true,
|
||||
httpOnly: true,
|
||||
@@ -349,7 +344,7 @@ const jsonString = JSON.stringify(cookie);
|
||||
|
||||
Parses a cookie string into a `Cookie` instance.
|
||||
|
||||
```ts title="parse-cookie.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const cookie = Bun.Cookie.parse("name=value; Path=/; Secure; SameSite=Lax");
|
||||
|
||||
console.log(cookie.name); // "name"
|
||||
@@ -363,7 +358,7 @@ console.log(cookie.sameSite); // "lax"
|
||||
|
||||
Factory method to create a cookie.
|
||||
|
||||
```ts title="cookie-from.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const cookie = Bun.Cookie.from("session", "abc123", {
|
||||
httpOnly: true,
|
||||
secure: true,
|
||||
@@ -373,7 +368,7 @@ const cookie = Bun.Cookie.from("session", "abc123", {
|
||||
|
||||
## Types
|
||||
|
||||
```ts title="types.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
interface CookieInit {
|
||||
name?: string;
|
||||
value?: string;
|
||||
@@ -1,9 +1,4 @@
|
||||
---
|
||||
title: DNS
|
||||
description: Use Bun's DNS module to resolve DNS records
|
||||
---
|
||||
|
||||
Bun implements it's own `dns` module, and the `node:dns` module.
|
||||
Bun implements the `node:dns` module.
|
||||
|
||||
```ts
|
||||
import * as dns from "node:dns";
|
||||
@@ -13,17 +8,9 @@ console.log(addrs);
|
||||
// => [{ address: "172.67.161.226", family: 4, ttl: 0 }, ...]
|
||||
```
|
||||
|
||||
```ts
|
||||
import { dns } from "bun";
|
||||
|
||||
dns.prefetch("bun.com", 443);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## DNS caching in Bun
|
||||
|
||||
Bun supports DNS caching. This cache makes repeated connections to the same hosts faster.
|
||||
In Bun v1.1.9, we added support for DNS caching. This cache makes repeated connections to the same hosts faster.
|
||||
|
||||
At the time of writing, we cache up to 255 entries for a maximum of 30 seconds (each). If any connections to a host fail, we remove the entry from the cache. When multiple connections are made to the same host simultaneously, DNS lookups are deduplicated to avoid making multiple requests for the same host.
|
||||
|
||||
@@ -52,7 +39,9 @@ An example where you might want to use this is a database driver. When your appl
|
||||
|
||||
### `dns.prefetch`
|
||||
|
||||
<Warning>This API is experimental and may change in the future.</Warning>
|
||||
{% callout %}
|
||||
**🚧** — This API is experimental and may change in the future.
|
||||
{% /callout %}
|
||||
|
||||
To prefetch a DNS entry, you can use the `dns.prefetch` API. This API is useful when you know you'll need to connect to a host soon and want to avoid the initial DNS lookup.
|
||||
|
||||
@@ -73,18 +62,28 @@ await fetch("https://bun.com");
|
||||
|
||||
### `dns.getCacheStats()`
|
||||
|
||||
<Warning>This API is experimental and may change in the future.</Warning>
|
||||
{% callout %}
|
||||
**🚧** — This API is experimental and may change in the future.
|
||||
{% /callout %}
|
||||
|
||||
To get the current cache stats, you can use the `dns.getCacheStats` API. This API returns an object with the following properties:
|
||||
To get the current cache stats, you can use the `dns.getCacheStats` API.
|
||||
|
||||
This API returns an object with the following properties:
|
||||
|
||||
```ts
|
||||
{
|
||||
cacheHitsCompleted: number; // Cache hits completed
|
||||
cacheHitsInflight: number; // Cache hits in flight
|
||||
cacheMisses: number; // Cache misses
|
||||
size: number; // Number of items in the DNS cache
|
||||
errors: number; // Number of times a connection failed
|
||||
totalCount: number; // Number of times a connection was requested at all (including cache hits and misses)
|
||||
// Cache hits
|
||||
cacheHitsCompleted: number;
|
||||
cacheHitsInflight: number;
|
||||
cacheMisses: number;
|
||||
// Number of items in the DNS cache
|
||||
size: number;
|
||||
|
||||
// Number of times a connection failed
|
||||
errors: number;
|
||||
|
||||
// Number of times a connection was requested at all (including cache hits and misses)
|
||||
totalCount: number;
|
||||
}
|
||||
```
|
||||
|
||||
@@ -1,8 +1,3 @@
|
||||
---
|
||||
title: Fetch
|
||||
description: Send HTTP requests with Bun's fetch API
|
||||
---
|
||||
|
||||
Bun implements the WHATWG `fetch` standard, with some extensions to meet the needs of server-side JavaScript.
|
||||
|
||||
Bun also implements `node:http`, but `fetch` is generally recommended instead.
|
||||
@@ -51,7 +46,7 @@ const response = await fetch("http://example.com", {
|
||||
|
||||
### Proxying requests
|
||||
|
||||
To proxy a request, pass an object with the `proxy` property set to a URL string:
|
||||
To proxy a request, pass an object with the `proxy` property set to a URL.
|
||||
|
||||
```ts
|
||||
const response = await fetch("http://example.com", {
|
||||
@@ -59,22 +54,6 @@ const response = await fetch("http://example.com", {
|
||||
});
|
||||
```
|
||||
|
||||
You can also use an object format to send custom headers to the proxy server:
|
||||
|
||||
```ts
|
||||
const response = await fetch("http://example.com", {
|
||||
proxy: {
|
||||
url: "http://proxy.com",
|
||||
headers: {
|
||||
"Proxy-Authorization": "Bearer my-token",
|
||||
"X-Custom-Proxy-Header": "value",
|
||||
},
|
||||
},
|
||||
});
|
||||
```
|
||||
|
||||
The `headers` are sent directly to the proxy in `CONNECT` requests (for HTTPS targets) or in the proxy request (for HTTP targets). If you provide a `Proxy-Authorization` header, it overrides any credentials in the proxy URL.
|
||||
|
||||
### Custom headers
|
||||
|
||||
To set custom headers, pass an object with the `headers` property set to an object.
|
||||
@@ -289,7 +268,7 @@ const response = await fetch("s3://my-bucket/path/to/object", {
|
||||
|
||||
Note: Only PUT and POST methods support request bodies when using S3. For uploads, Bun automatically uses multipart upload for streaming bodies.
|
||||
|
||||
You can read more about Bun's S3 support in the [S3](/runtime/s3) documentation.
|
||||
You can read more about Bun's S3 support in the [S3](https://bun.com/docs/api/s3) documentation.
|
||||
|
||||
#### File URLs - `file://`
|
||||
|
||||
@@ -358,7 +337,7 @@ This will print the request and response headers to your terminal:
|
||||
```sh
|
||||
[fetch] > HTTP/1.1 GET http://example.com/
|
||||
[fetch] > Connection: keep-alive
|
||||
[fetch] > User-Agent: Bun/1.3.3
|
||||
[fetch] > User-Agent: Bun/$BUN_LATEST_VERSION
|
||||
[fetch] > Accept: */*
|
||||
[fetch] > Host: example.com
|
||||
[fetch] > Accept-Encoding: gzip, deflate, br, zstd
|
||||
@@ -404,7 +383,7 @@ dns.prefetch("bun.com");
|
||||
|
||||
By default, Bun caches and deduplicates DNS queries in-memory for up to 30 seconds. You can see the cache stats by calling `dns.getCacheStats()`:
|
||||
|
||||
To learn more about DNS caching in Bun, see the [DNS caching](/runtime/networking/dns) documentation.
|
||||
To learn more about DNS caching in Bun, see the [DNS caching](https://bun.com/docs/api/dns) documentation.
|
||||
|
||||
### Preconnect to a host
|
||||
|
||||
@@ -423,7 +402,7 @@ Note: calling `fetch` immediately after `fetch.preconnect` will not make your re
|
||||
To preconnect to a host at startup, you can pass `--fetch-preconnect`:
|
||||
|
||||
```sh
|
||||
bun --fetch-preconnect https://bun.com ./my-script.ts
|
||||
$ bun --fetch-preconnect https://bun.com ./my-script.ts
|
||||
```
|
||||
|
||||
This is sort of like `<link rel="preconnect">` in HTML.
|
||||
@@ -446,7 +425,7 @@ When the limit is exceeded, the requests are queued and sent as soon as the next
|
||||
You can increase the maximum number of simultaneous connections via the `BUN_CONFIG_MAX_HTTP_REQUESTS` environment variable:
|
||||
|
||||
```sh
|
||||
BUN_CONFIG_MAX_HTTP_REQUESTS=512 bun ./my-script.ts
|
||||
$ BUN_CONFIG_MAX_HTTP_REQUESTS=512 bun ./my-script.ts
|
||||
```
|
||||
|
||||
The max value for this limit is currently set to 65,336. The maximum port number is 65,535, so it's quite difficult for any one computer to exceed this limit.
|
||||
@@ -1,17 +1,9 @@
|
||||
---
|
||||
title: FFI
|
||||
description: Use Bun's FFI module to efficiently call native libraries from JavaScript
|
||||
---
|
||||
|
||||
<Warning>
|
||||
`bun:ffi` is **experimental**, with known bugs and limitations, and should not be relied on in production. The most
|
||||
stable way to interact with native code from Bun is to write a [Node-API module](/runtime/node-api).
|
||||
</Warning>
|
||||
{% callout %}
|
||||
**⚠️ Warning** — `bun:ffi` is **experimental**, with known bugs and limitations, and should not be relied on in production. The most stable way to interact with native code from Bun is to write a [Node-API module](/docs/api/node-api).
|
||||
{% /callout %}
|
||||
|
||||
Use the built-in `bun:ffi` module to efficiently call native libraries from JavaScript. It works with languages that support the C ABI (Zig, Rust, C/C++, C#, Nim, Kotlin, etc).
|
||||
|
||||
---
|
||||
|
||||
## dlopen usage (`bun:ffi`)
|
||||
|
||||
To print the version number of `sqlite3`:
|
||||
@@ -41,23 +33,20 @@ const {
|
||||
console.log(`SQLite 3 version: ${sqlite3_libversion()}`);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Performance
|
||||
|
||||
According to [our benchmark](https://github.com/oven-sh/bun/tree/main/bench/ffi), `bun:ffi` is roughly 2-6x faster than Node.js FFI via `Node-API`.
|
||||
|
||||
<Image src="/images/ffi.png" height="400" />
|
||||
{% image src="/images/ffi.png" height="400" /%}
|
||||
|
||||
Bun generates & just-in-time compiles C bindings that efficiently convert values between JavaScript types and native types. To compile C, Bun embeds [TinyCC](https://github.com/TinyCC/tinycc), a small and fast C compiler.
|
||||
|
||||
---
|
||||
|
||||
## Usage
|
||||
|
||||
### Zig
|
||||
|
||||
```zig add.zig icon="file-code"
|
||||
```zig
|
||||
// add.zig
|
||||
pub export fn add(a: i32, b: i32) i32 {
|
||||
return a + b;
|
||||
}
|
||||
@@ -65,8 +54,8 @@ pub export fn add(a: i32, b: i32) i32 {
|
||||
|
||||
To compile:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
zig build-lib add.zig -dynamic -OReleaseFast
|
||||
```bash
|
||||
$ zig build-lib add.zig -dynamic -OReleaseFast
|
||||
```
|
||||
|
||||
Pass a path to the shared library and a map of symbols to import into `dlopen`:
|
||||
@@ -100,7 +89,7 @@ pub extern "C" fn add(a: i32, b: i32) -> i32 {
|
||||
To compile:
|
||||
|
||||
```bash
|
||||
rustc --crate-type cdylib add.rs
|
||||
$ rustc --crate-type cdylib add.rs
|
||||
```
|
||||
|
||||
### C++
|
||||
@@ -116,11 +105,9 @@ extern "C" int32_t add(int32_t a, int32_t b) {
|
||||
To compile:
|
||||
|
||||
```bash
|
||||
zig build-lib add.cpp -dynamic -lc -lc++
|
||||
$ zig build-lib add.cpp -dynamic -lc -lc++
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## FFI types
|
||||
|
||||
The following `FFIType` values are supported.
|
||||
@@ -150,13 +137,11 @@ The following `FFIType` values are supported.
|
||||
|
||||
Note: `buffer` arguments must be a `TypedArray` or `DataView`.
|
||||
|
||||
---
|
||||
|
||||
## Strings
|
||||
|
||||
JavaScript strings and C-like strings are different, and that complicates using strings with native libraries.
|
||||
|
||||
<Accordion title="How are JavaScript strings and C strings different?">
|
||||
{% details summary="How are JavaScript strings and C strings different?" %}
|
||||
JavaScript strings:
|
||||
|
||||
- UTF16 (2 bytes per letter) or potentially latin1, depending on the JavaScript engine & what characters are used
|
||||
@@ -169,7 +154,7 @@ C strings:
|
||||
- The length is not stored. Instead, the string is null-terminated which means the length is the index of the first `\0` it finds
|
||||
- Mutable
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
To solve this, `bun:ffi` exports `CString` which extends JavaScript's built-in `String` to support null-terminated strings and add a few extras:
|
||||
|
||||
@@ -216,11 +201,13 @@ console.log(myString);
|
||||
|
||||
When used in `returns`, `FFIType.cstring` coerces the pointer to a JavaScript `string`. When used in `args`, `FFIType.cstring` is identical to `ptr`.
|
||||
|
||||
---
|
||||
|
||||
## Function pointers
|
||||
|
||||
<Note>Async functions are not yet supported</Note>
|
||||
{% callout %}
|
||||
|
||||
**Note** — Async functions are not yet supported.
|
||||
|
||||
{% /callout %}
|
||||
|
||||
To call a function pointer from JavaScript, use `CFunction`. This is useful if using Node-API (napi) with Bun, and you've already loaded some symbols.
|
||||
|
||||
@@ -268,11 +255,13 @@ const lib = linkSymbols({
|
||||
},
|
||||
});
|
||||
|
||||
const [major, minor, patch] = [lib.symbols.getMajor(), lib.symbols.getMinor(), lib.symbols.getPatch()];
|
||||
const [major, minor, patch] = [
|
||||
lib.symbols.getMajor(),
|
||||
lib.symbols.getMinor(),
|
||||
lib.symbols.getPatch(),
|
||||
];
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Callbacks
|
||||
|
||||
Use `JSCallback` to create JavaScript callback functions that can be passed to C/FFI functions. The C/FFI function can call into the JavaScript/TypeScript code. This is useful for asynchronous code or whenever you want to call into JavaScript code from C.
|
||||
@@ -290,10 +279,13 @@ const {
|
||||
},
|
||||
});
|
||||
|
||||
const searchIterator = new JSCallback((ptr, length) => /hello/.test(new CString(ptr, length)), {
|
||||
returns: "bool",
|
||||
args: ["ptr", "usize"],
|
||||
});
|
||||
const searchIterator = new JSCallback(
|
||||
(ptr, length) => /hello/.test(new CString(ptr, length)),
|
||||
{
|
||||
returns: "bool",
|
||||
args: ["ptr", "usize"],
|
||||
},
|
||||
);
|
||||
|
||||
const str = Buffer.from("wwutwutwutwutwutwutwutwutwutwutut\0", "utf8");
|
||||
if (search(ptr(str), searchIterator)) {
|
||||
@@ -313,17 +305,21 @@ When you're done with a JSCallback, you should call `close()` to free the memory
|
||||
|
||||
`JSCallback` has experimental support for thread-safe callbacks. This will be needed if you pass a callback function into a different thread from its instantiation context. You can enable it with the optional `threadsafe` parameter.
|
||||
|
||||
Currently, thread-safe callbacks work best when run from another thread that is running JavaScript code, i.e. a [`Worker`](/runtime/workers). A future version of Bun will enable them to be called from any thread (such as new threads spawned by your native library that Bun is not aware of).
|
||||
Currently, thread-safe callbacks work best when run from another thread that is running JavaScript code, i.e. a [`Worker`](/docs/api/workers). A future version of Bun will enable them to be called from any thread (such as new threads spawned by your native library that Bun is not aware of).
|
||||
|
||||
```ts
|
||||
const searchIterator = new JSCallback((ptr, length) => /hello/.test(new CString(ptr, length)), {
|
||||
returns: "bool",
|
||||
args: ["ptr", "usize"],
|
||||
threadsafe: true, // Optional. Defaults to `false`
|
||||
});
|
||||
const searchIterator = new JSCallback(
|
||||
(ptr, length) => /hello/.test(new CString(ptr, length)),
|
||||
{
|
||||
returns: "bool",
|
||||
args: ["ptr", "usize"],
|
||||
threadsafe: true, // Optional. Defaults to `false`
|
||||
},
|
||||
);
|
||||
```
|
||||
|
||||
<Note>
|
||||
{% callout %}
|
||||
|
||||
**⚡️ Performance tip** — For a slight performance boost, directly pass `JSCallback.prototype.ptr` instead of the `JSCallback` object:
|
||||
|
||||
```ts
|
||||
@@ -344,21 +340,17 @@ setOnResolve(onResolve.ptr);
|
||||
setOnResolve(onResolve);
|
||||
```
|
||||
|
||||
</Note>
|
||||
|
||||
---
|
||||
{% /callout %}
|
||||
|
||||
## Pointers
|
||||
|
||||
Bun represents [pointers](<https://en.wikipedia.org/wiki/Pointer_(computer_programming)>) as a `number` in JavaScript.
|
||||
|
||||
<Accordion title="How does a 64 bit pointer fit in a JavaScript number?">
|
||||
|
||||
{% details summary="How does a 64 bit pointer fit in a JavaScript number?" %}
|
||||
64-bit processors support up to [52 bits of addressable space](https://en.wikipedia.org/wiki/64-bit_computing#Limits_of_processors). [JavaScript numbers](https://en.wikipedia.org/wiki/Double-precision_floating-point_format#IEEE_754_double-precision_binary_floating-point_format:_binary64) support 53 bits of usable space, so that leaves us with about 11 bits of extra space.
|
||||
|
||||
**Why not `BigInt`?** `BigInt` is slower. JavaScript engines allocate a separate `BigInt` which means they can't fit into a regular JavaScript value. If you pass a `BigInt` to a function, it will be converted to a `number`
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
To convert from a `TypedArray` to a pointer:
|
||||
|
||||
@@ -511,7 +503,7 @@ const out = encode_png(
|
||||
|
||||
The [auto-generated wrapper](https://github.com/oven-sh/bun/blob/6a65631cbdcae75bfa1e64323a6ad613a922cd1a/src/bun.js/ffi.exports.js#L180-L182) converts the pointer to a `TypedArray`.
|
||||
|
||||
<Accordion title="Hardmode">
|
||||
{% details summary="Hardmode" %}
|
||||
|
||||
If you don't want the automatic conversion or you want a pointer to a specific byte offset within the `TypedArray`, you can also directly get the pointer to the `TypedArray`:
|
||||
|
||||
@@ -543,7 +535,7 @@ const out = encode_png(
|
||||
);
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### Reading pointers
|
||||
|
||||
@@ -1,15 +1,12 @@
|
||||
---
|
||||
title: File I/O
|
||||
description: Bun provides a set of optimized APIs for reading and writing files.
|
||||
---
|
||||
{% callout %}
|
||||
|
||||
<Note>
|
||||
<!-- **Note** — The `Bun.file` and `Bun.write` APIs documented on this page are heavily optimized and represent the recommended way to perform file-system tasks using Bun. Existing Node.js projects may use Bun's [nearly complete](https://bun.com/docs/runtime/nodejs-apis#node-fs) implementation of the [`node:fs`](https://nodejs.org/api/fs.html) module. -->
|
||||
|
||||
The `Bun.file` and `Bun.write` APIs documented on this page are heavily optimized and represent the recommended way to perform file-system tasks using Bun. For operations that are not yet available with `Bun.file`, such as `mkdir` or `readdir`, you can use Bun's [nearly complete](/runtime/nodejs-compat#node-fs) implementation of the [`node:fs`](https://nodejs.org/api/fs.html) module.
|
||||
**Note** — The `Bun.file` and `Bun.write` APIs documented on this page are heavily optimized and represent the recommended way to perform file-system tasks using Bun. For operations that are not yet available with `Bun.file`, such as `mkdir` or `readdir`, you can use Bun's [nearly complete](https://bun.com/docs/runtime/nodejs-apis#node-fs) implementation of the [`node:fs`](https://nodejs.org/api/fs.html) module.
|
||||
|
||||
</Note>
|
||||
{% /callout %}
|
||||
|
||||
---
|
||||
Bun provides a set of optimized APIs for reading and writing files.
|
||||
|
||||
## Reading files (`Bun.file()`)
|
||||
|
||||
@@ -29,7 +26,6 @@ The reference conforms to the [`Blob`](https://developer.mozilla.org/en-US/docs/
|
||||
const foo = Bun.file("foo.txt");
|
||||
|
||||
await foo.text(); // contents as a string
|
||||
await foo.json(); // contents as a JSON object
|
||||
await foo.stream(); // contents as ReadableStream
|
||||
await foo.arrayBuffer(); // contents as ArrayBuffer
|
||||
await foo.bytes(); // contents as Uint8Array
|
||||
@@ -74,8 +70,6 @@ You can delete a file by calling the `.delete()` function.
|
||||
await Bun.file("logs.json").delete();
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Writing files (`Bun.write()`)
|
||||
|
||||
`Bun.write(destination, data): Promise<number>`
|
||||
@@ -98,22 +92,88 @@ The second argument is the data to be written. It can be any of the following:
|
||||
|
||||
All possible permutations are handled using the fastest available system calls on the current platform.
|
||||
|
||||
<Accordion title="See syscalls">
|
||||
{% details summary="See syscalls" %}
|
||||
|
||||
| Output | Input | System call | Platform |
|
||||
| -------------------- | -------------- | ----------------------------- | -------- |
|
||||
| file | file | copy_file_range | Linux |
|
||||
| file | pipe | sendfile | Linux |
|
||||
| pipe | pipe | splice | Linux |
|
||||
| terminal | file | sendfile | Linux |
|
||||
| terminal | terminal | sendfile | Linux |
|
||||
| socket | file or pipe | sendfile (if http, not https) | Linux |
|
||||
| file (doesn't exist) | file (path) | clonefile | macOS |
|
||||
| file (exists) | file | fcopyfile | macOS |
|
||||
| file | Blob or string | write | macOS |
|
||||
| file | Blob or string | write | Linux |
|
||||
{% table %}
|
||||
|
||||
</Accordion>
|
||||
- Output
|
||||
- Input
|
||||
- System call
|
||||
- Platform
|
||||
|
||||
---
|
||||
|
||||
- file
|
||||
- file
|
||||
- copy_file_range
|
||||
- Linux
|
||||
|
||||
---
|
||||
|
||||
- file
|
||||
- pipe
|
||||
- sendfile
|
||||
- Linux
|
||||
|
||||
---
|
||||
|
||||
- pipe
|
||||
- pipe
|
||||
- splice
|
||||
- Linux
|
||||
|
||||
---
|
||||
|
||||
- terminal
|
||||
- file
|
||||
- sendfile
|
||||
- Linux
|
||||
|
||||
---
|
||||
|
||||
- terminal
|
||||
- terminal
|
||||
- sendfile
|
||||
- Linux
|
||||
|
||||
---
|
||||
|
||||
- socket
|
||||
- file or pipe
|
||||
- sendfile (if http, not https)
|
||||
- Linux
|
||||
|
||||
---
|
||||
|
||||
- file (doesn't exist)
|
||||
- file (path)
|
||||
- clonefile
|
||||
- macOS
|
||||
|
||||
---
|
||||
|
||||
- file (exists)
|
||||
- file
|
||||
- fcopyfile
|
||||
- macOS
|
||||
|
||||
---
|
||||
|
||||
- file
|
||||
- Blob or string
|
||||
- write
|
||||
- macOS
|
||||
|
||||
---
|
||||
|
||||
- file
|
||||
- Blob or string
|
||||
- write
|
||||
- Linux
|
||||
|
||||
{% /table %}
|
||||
|
||||
{% /details %}
|
||||
|
||||
To write a string to disk:
|
||||
|
||||
@@ -124,7 +184,7 @@ await Bun.write("output.txt", data);
|
||||
|
||||
To copy a file to another location on disk:
|
||||
|
||||
```ts
|
||||
```js
|
||||
const input = Bun.file("input.txt");
|
||||
const output = Bun.file("output.txt"); // doesn't exist yet!
|
||||
await Bun.write(output, input);
|
||||
@@ -152,8 +212,6 @@ const response = await fetch("https://bun.com");
|
||||
await Bun.write("index.html", response);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Incremental writing with `FileSink`
|
||||
|
||||
Bun provides a native incremental file writing API called `FileSink`. To retrieve a `FileSink` instance from a `BunFile`:
|
||||
@@ -201,8 +259,6 @@ writer.unref();
|
||||
writer.ref();
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Directories
|
||||
|
||||
Bun's implementation of `node:fs` is fast, and we haven't implemented a Bun-specific API for reading directories just yet. For now, you should use `node:fs` for working with directories in Bun.
|
||||
@@ -239,15 +295,13 @@ import { mkdir } from "node:fs/promises";
|
||||
await mkdir("path/to/dir", { recursive: true });
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Benchmarks
|
||||
|
||||
The following is a 3-line implementation of the Linux `cat` command.
|
||||
|
||||
```ts cat.ts icon="/icons/typescript.svg"
|
||||
```ts#cat.ts
|
||||
// Usage
|
||||
// bun ./cat.ts ./path-to-file
|
||||
// $ bun ./cat.ts ./path-to-file
|
||||
|
||||
import { resolve } from "path";
|
||||
|
||||
@@ -257,15 +311,13 @@ await Bun.write(Bun.stdout, Bun.file(path));
|
||||
|
||||
To run the file:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun ./cat.ts ./path-to-file
|
||||
```bash
|
||||
$ bun ./cat.ts ./path-to-file
|
||||
```
|
||||
|
||||
It runs 2x faster than GNU `cat` for large files on Linux.
|
||||
|
||||
<Frame></Frame>
|
||||
|
||||
---
|
||||
{% image src="/images/cat.jpg" /%}
|
||||
|
||||
## Reference
|
||||
|
||||
@@ -279,7 +331,13 @@ interface Bun {
|
||||
|
||||
write(
|
||||
destination: string | number | BunFile | URL,
|
||||
input: string | Blob | ArrayBuffer | SharedArrayBuffer | TypedArray | Response,
|
||||
input:
|
||||
| string
|
||||
| Blob
|
||||
| ArrayBuffer
|
||||
| SharedArrayBuffer
|
||||
| TypedArray
|
||||
| Response,
|
||||
): Promise<number>;
|
||||
}
|
||||
|
||||
@@ -296,7 +354,9 @@ interface BunFile {
|
||||
}
|
||||
|
||||
export interface FileSink {
|
||||
write(chunk: string | ArrayBufferView | ArrayBuffer | SharedArrayBuffer): number;
|
||||
write(
|
||||
chunk: string | ArrayBufferView | ArrayBuffer | SharedArrayBuffer,
|
||||
): number;
|
||||
flush(): number | Promise<number>;
|
||||
end(error?: Error): number | Promise<number>;
|
||||
start(options?: { highWaterMark?: number }): void;
|
||||
@@ -1,9 +1,4 @@
|
||||
---
|
||||
title: File System Router
|
||||
description: Bun provides a fast API for resolving routes against file-system paths
|
||||
---
|
||||
|
||||
This API is primarily intended for library authors. At the moment only Next.js-style file-system routing is supported, but other styles may be added in the future.
|
||||
Bun provides a fast API for resolving routes against file-system paths. This API is primarily intended for library authors. At the moment only Next.js-style file-system routing is supported, but other styles may be added in the future.
|
||||
|
||||
## Next.js-style
|
||||
|
||||
@@ -21,14 +16,13 @@ pages
|
||||
|
||||
The `FileSystemRouter` can be used to resolve routes against this directory:
|
||||
|
||||
```ts router.ts
|
||||
```ts
|
||||
const router = new Bun.FileSystemRouter({
|
||||
style: "nextjs",
|
||||
dir: "./pages",
|
||||
origin: "https://mydomain.com",
|
||||
assetPrefix: "_next/static/"
|
||||
});
|
||||
|
||||
router.match("/");
|
||||
|
||||
// =>
|
||||
19
docs/api/file.md
Normal file
19
docs/api/file.md
Normal file
@@ -0,0 +1,19 @@
|
||||
Bun.js has fast paths for common use cases that make Web APIs live up to the performance demands of servers and CLIs.
|
||||
|
||||
`Bun.file(path)` returns a [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) that represents a lazily-loaded file.
|
||||
|
||||
When you pass a file blob to `Bun.write`, Bun automatically uses a faster system call:
|
||||
|
||||
```js
|
||||
const blob = Bun.file("input.txt");
|
||||
await Bun.write("output.txt", blob);
|
||||
```
|
||||
|
||||
On Linux, this uses the [`copy_file_range`](https://man7.org/linux/man-pages/man2/copy_file_range.2.html) syscall and on macOS, this becomes `clonefile` (or [`fcopyfile`](https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/copyfile.3.html)).
|
||||
|
||||
`Bun.write` also supports [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response) objects. It automatically converts to a [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob).
|
||||
|
||||
```js
|
||||
// Eventually, this will stream the response to disk but today it buffers
|
||||
await Bun.write("index.html", await fetch("https://example.com"));
|
||||
```
|
||||
@@ -1,7 +1,4 @@
|
||||
---
|
||||
title: Glob
|
||||
description: Use Bun's fast native implementation of file globbing
|
||||
---
|
||||
Bun includes a fast native implementation of file globbing.
|
||||
|
||||
## Quickstart
|
||||
|
||||
387
docs/api/globals.md
Normal file
387
docs/api/globals.md
Normal file
@@ -0,0 +1,387 @@
|
||||
Bun implements the following globals.
|
||||
|
||||
{% table %}
|
||||
|
||||
- Global
|
||||
- Source
|
||||
- Notes
|
||||
|
||||
---
|
||||
|
||||
- [`AbortController`](https://developer.mozilla.org/en-US/docs/Web/API/AbortController)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`AbortSignal`](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`alert`](https://developer.mozilla.org/en-US/docs/Web/API/Window/alert)
|
||||
- Web
|
||||
- Intended for command-line tools
|
||||
|
||||
---
|
||||
|
||||
- [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`Buffer`](https://nodejs.org/api/buffer.html#class-buffer)
|
||||
- Node.js
|
||||
- See [Node.js > `Buffer`](https://bun.com/docs/runtime/nodejs-apis#node-buffer)
|
||||
|
||||
---
|
||||
|
||||
- `Bun`
|
||||
- Bun
|
||||
- Subject to change as additional APIs are added
|
||||
|
||||
---
|
||||
|
||||
- [`ByteLengthQueuingStrategy`](https://developer.mozilla.org/en-US/docs/Web/API/ByteLengthQueuingStrategy)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`confirm`](https://developer.mozilla.org/en-US/docs/Web/API/Window/confirm)
|
||||
- Web
|
||||
- Intended for command-line tools
|
||||
|
||||
---
|
||||
|
||||
- [`__dirname`](https://nodejs.org/api/globals.html#__dirname)
|
||||
- Node.js
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`__filename`](https://nodejs.org/api/globals.html#__filename)
|
||||
- Node.js
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`atob()`](https://developer.mozilla.org/en-US/docs/Web/API/atob)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`btoa()`](https://developer.mozilla.org/en-US/docs/Web/API/btoa)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- `BuildMessage`
|
||||
- Bun
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`clearImmediate()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/clearImmediate)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`clearInterval()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/clearInterval)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`clearTimeout()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/clearTimeout)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`console`](https://developer.mozilla.org/en-US/docs/Web/API/console)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`CountQueuingStrategy`](https://developer.mozilla.org/en-US/docs/Web/API/CountQueuingStrategy)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`Crypto`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`crypto`](https://developer.mozilla.org/en-US/docs/Web/API/crypto)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`CryptoKey`](https://developer.mozilla.org/en-US/docs/Web/API/CryptoKey)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`CustomEvent`](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`Event`](https://developer.mozilla.org/en-US/docs/Web/API/Event)
|
||||
- Web
|
||||
- Also [`ErrorEvent`](https://developer.mozilla.org/en-US/docs/Web/API/ErrorEvent) [`CloseEvent`](https://developer.mozilla.org/en-US/docs/Web/API/CloseEvent) [`MessageEvent`](https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent).
|
||||
|
||||
---
|
||||
|
||||
- [`EventTarget`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`exports`](https://nodejs.org/api/globals.html#exports)
|
||||
- Node.js
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`fetch`](https://developer.mozilla.org/en-US/docs/Web/API/fetch)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`FormData`](https://developer.mozilla.org/en-US/docs/Web/API/FormData)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`global`](https://nodejs.org/api/globals.html#global)
|
||||
- Node.js
|
||||
- See [Node.js > `global`](https://bun.com/docs/runtime/nodejs-apis#global).
|
||||
|
||||
---
|
||||
|
||||
- [`globalThis`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis)
|
||||
- Cross-platform
|
||||
- Aliases to `global`
|
||||
|
||||
---
|
||||
|
||||
- [`Headers`](https://developer.mozilla.org/en-US/docs/Web/API/Headers)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`HTMLRewriter`](https://bun.com/docs/api/html-rewriter)
|
||||
- Cloudflare
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`JSON`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`MessageEvent`](https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`module`](https://nodejs.org/api/globals.html#module)
|
||||
- Node.js
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`performance`](https://developer.mozilla.org/en-US/docs/Web/API/performance)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`process`](https://nodejs.org/api/process.html)
|
||||
- Node.js
|
||||
- See [Node.js > `process`](https://bun.com/docs/runtime/nodejs-apis#node-process)
|
||||
|
||||
---
|
||||
|
||||
- [`prompt`](https://developer.mozilla.org/en-US/docs/Web/API/Window/prompt)
|
||||
- Web
|
||||
- Intended for command-line tools
|
||||
|
||||
---
|
||||
|
||||
- [`queueMicrotask()`](https://developer.mozilla.org/en-US/docs/Web/API/queueMicrotask)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`ReadableByteStreamController`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableByteStreamController)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`ReadableStreamDefaultController`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStreamDefaultController)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`ReadableStreamDefaultReader`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStreamDefaultReader)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`reportError`](https://developer.mozilla.org/en-US/docs/Web/API/reportError)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`require()`](https://nodejs.org/api/globals.html#require)
|
||||
- Node.js
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- `ResolveMessage`
|
||||
- Bun
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`setImmediate()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/setImmediate)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`setInterval()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/setInterval)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`setTimeout()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/setTimeout)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`ShadowRealm`](https://github.com/tc39/proposal-shadowrealm)
|
||||
- Web
|
||||
- Stage 3 proposal
|
||||
|
||||
---
|
||||
|
||||
- [`SubtleCrypto`](https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`DOMException`](https://developer.mozilla.org/en-US/docs/Web/API/DOMException)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`TextDecoder`](https://developer.mozilla.org/en-US/docs/Web/API/TextDecoder)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`TextEncoder`](https://developer.mozilla.org/en-US/docs/Web/API/TextEncoder)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`TransformStream`](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`TransformStreamDefaultController`](https://developer.mozilla.org/en-US/docs/Web/API/TransformStreamDefaultController)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`URL`](https://developer.mozilla.org/en-US/docs/Web/API/URL)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`URLSearchParams`](https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`WebAssembly`](https://nodejs.org/api/globals.html#webassembly)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`WritableStream`](https://developer.mozilla.org/en-US/docs/Web/API/WritableStream)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`WritableStreamDefaultController`](https://developer.mozilla.org/en-US/docs/Web/API/WritableStreamDefaultController)
|
||||
- Web
|
||||
-
|
||||
|
||||
---
|
||||
|
||||
- [`WritableStreamDefaultWriter`](https://developer.mozilla.org/en-US/docs/Web/API/WritableStreamDefaultWriter)
|
||||
- Web
|
||||
-
|
||||
|
||||
{% /table %}
|
||||
@@ -1,14 +1,8 @@
|
||||
---
|
||||
title: Hashing
|
||||
description: Bun provides a set of utility functions for hashing and verifying passwords with various cryptographically secure algorithms
|
||||
---
|
||||
{% callout %}
|
||||
|
||||
<Note>
|
||||
Bun implements the `createHash` and `createHmac` functions from [`node:crypto`](https://nodejs.org/api/crypto.html) in
|
||||
addition to the Bun-native APIs documented below.
|
||||
</Note>
|
||||
Bun implements the `createHash` and `createHmac` functions from [`node:crypto`](https://nodejs.org/api/crypto.html) in addition to the Bun-native APIs documented below.
|
||||
|
||||
---
|
||||
{% /callout %}
|
||||
|
||||
## `Bun.password`
|
||||
|
||||
@@ -138,8 +132,6 @@ The format is composed of:
|
||||
- `salt`: `$xXnlSvPh4ym5KYmxKAuuHVlDvy2QGHBNuI6bJJrRDOs`
|
||||
- `hash`: `$2YY6M48XmHn+s5NoBaL+ficzXajq2Yj8wut3r0vnrwI`
|
||||
|
||||
---
|
||||
|
||||
## `Bun.hash`
|
||||
|
||||
`Bun.hash` is a collection of utilities for _non-cryptographic_ hashing. Non-cryptographic hashing algorithms are optimized for speed of computation over collision-resistance or security.
|
||||
@@ -186,14 +178,13 @@ Bun.hash.murmur64v2("data", 1234);
|
||||
Bun.hash.rapidhash("data", 1234);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.CryptoHasher`
|
||||
|
||||
`Bun.CryptoHasher` is a general-purpose utility class that lets you incrementally compute a hash of string or binary data using a range of cryptographic hash algorithms. The following algorithms are supported:
|
||||
|
||||
- `"blake2b256"`
|
||||
- `"blake2b512"`
|
||||
- `"blake2s256"`
|
||||
- `"md4"`
|
||||
- `"md5"`
|
||||
- `"ripemd160"`
|
||||
@@ -230,11 +221,24 @@ hasher.update(new ArrayBuffer(10));
|
||||
|
||||
If a `string` is passed, an optional second parameter can be used to specify the encoding (default `'utf-8'`). The following encodings are supported:
|
||||
|
||||
| Category | Encodings |
|
||||
| -------------------------- | ------------------------------------------- |
|
||||
| Binary encodings | `"base64"` `"base64url"` `"hex"` `"binary"` |
|
||||
| Character encodings | `"utf8"` `"utf-8"` `"utf16le"` `"latin1"` |
|
||||
| Legacy character encodings | `"ascii"` `"binary"` `"ucs2"` `"ucs-2"` |
|
||||
{% table %}
|
||||
|
||||
---
|
||||
|
||||
- Binary encodings
|
||||
- `"base64"` `"base64url"` `"hex"` `"binary"`
|
||||
|
||||
---
|
||||
|
||||
- Character encodings
|
||||
- `"utf8"` `"utf-8"` `"utf16le"` `"latin1"`
|
||||
|
||||
---
|
||||
|
||||
- Legacy character encodings
|
||||
- `"ascii"` `"binary"` `"ucs2"` `"ucs-2"`
|
||||
|
||||
{% /table %}
|
||||
|
||||
```ts
|
||||
hasher.update("hello world"); // defaults to utf8
|
||||
@@ -1,12 +1,5 @@
|
||||
---
|
||||
title: HTMLRewriter
|
||||
description: Use Bun's HTMLRewriter to transform HTML documents with CSS selectors
|
||||
---
|
||||
|
||||
HTMLRewriter lets you use CSS selectors to transform HTML documents. It works with `Request`, `Response`, as well as `string`. Bun's implementation is based on Cloudflare's [lol-html](https://github.com/cloudflare/lol-html).
|
||||
|
||||
---
|
||||
|
||||
## Usage
|
||||
|
||||
A common usecase is rewriting URLs in HTML content. Here's an example that rewrites image sources and link URLs to use a CDN domain:
|
||||
@@ -16,12 +9,16 @@ A common usecase is rewriting URLs in HTML content. Here's an example that rewri
|
||||
const rewriter = new HTMLRewriter().on("img", {
|
||||
element(img) {
|
||||
// Famous rickroll video thumbnail
|
||||
img.setAttribute("src", "https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg");
|
||||
img.setAttribute(
|
||||
"src",
|
||||
"https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg",
|
||||
);
|
||||
|
||||
// Wrap the image in a link to the video
|
||||
img.before('<a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank">', {
|
||||
html: true,
|
||||
});
|
||||
img.before(
|
||||
'<a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank">',
|
||||
{ html: true },
|
||||
);
|
||||
img.after("</a>", { html: true });
|
||||
|
||||
// Add some fun alt text
|
||||
@@ -46,22 +43,21 @@ console.log(result);
|
||||
|
||||
This replaces all images with a thumbnail of Rick Astley and wraps each `<img>` in a link, producing a diff like this:
|
||||
|
||||
{/* prettier-ignore */}
|
||||
```html
|
||||
```html-diff
|
||||
<html>
|
||||
<body>
|
||||
<img src="/cat.jpg" /> <!-- [!code --] -->
|
||||
<img src="dog.png" /> <!-- [!code --] -->
|
||||
<img src="https://example.com/bird.webp" /> <!-- [!code --] -->
|
||||
<a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank"> <!-- [!code ++] -->
|
||||
<img src="https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg" alt="Definitely not a rickroll" /> <!-- [!code ++] -->
|
||||
</a> <!-- [!code ++] -->
|
||||
<a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank"> <!-- [!code ++] -->
|
||||
<img src="https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg" alt="Definitely not a rickroll" /> <!-- [!code ++] -->
|
||||
</a> <!-- [!code ++] -->
|
||||
<a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank"> <!-- [!code ++] -->
|
||||
<img src="https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg" alt="Definitely not a rickroll" /> <!-- [!code ++] -->
|
||||
</a> <!-- [!code ++] -->
|
||||
- <img src="/cat.jpg">
|
||||
- <img src="dog.png">
|
||||
- <img src="https://example.com/bird.webp">
|
||||
+ <a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank">
|
||||
+ <img src="https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg" alt="Definitely not a rickroll">
|
||||
+ </a>
|
||||
+ <a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank">
|
||||
+ <img src="https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg" alt="Definitely not a rickroll">
|
||||
+ </a>
|
||||
+ <a href="https://www.youtube.com/watch?v=dQw4w9WgXcQ" target="_blank">
|
||||
+ <img src="https://img.youtube.com/vi/dQw4w9WgXcQ/maxresdefault.jpg" alt="Definitely not a rickroll">
|
||||
+ </a>
|
||||
</body>
|
||||
</html>
|
||||
```
|
||||
@@ -184,7 +180,10 @@ rewriter.on("div", {
|
||||
el.setInnerContent(""); // Clear content
|
||||
|
||||
// Position manipulation
|
||||
el.before("Content before").after("Content after").prepend("First child").append("Last child");
|
||||
el.before("Content before")
|
||||
.after("Content after")
|
||||
.prepend("First child")
|
||||
.append("Last child");
|
||||
|
||||
// HTML content insertion
|
||||
el.before("<span>before</span>", { html: true })
|
||||
@@ -256,7 +255,11 @@ rewriter.on("*", {
|
||||
console.log(comment.removed); // Whether comment was removed
|
||||
|
||||
// Manipulation
|
||||
comment.before("Before comment").after("After comment").replace("New comment").remove();
|
||||
comment
|
||||
.before("Before comment")
|
||||
.after("After comment")
|
||||
.replace("New comment")
|
||||
.remove();
|
||||
|
||||
// HTML content insertion
|
||||
comment
|
||||
@@ -326,8 +329,6 @@ try {
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## See also
|
||||
|
||||
You can also read the [Cloudflare documentation](https://developers.cloudflare.com/workers/runtime-apis/html-rewriter/), which this API is intended to be compatible with.
|
||||
1408
docs/api/http.md
Normal file
1408
docs/api/http.md
Normal file
File diff suppressed because it is too large
Load Diff
69
docs/api/import-meta.md
Normal file
69
docs/api/import-meta.md
Normal file
@@ -0,0 +1,69 @@
|
||||
The `import.meta` object is a way for a module to access information about itself. It's part of the JavaScript language, but its contents are not standardized. Each "host" (browser, runtime, etc) is free to implement any properties it wishes on the `import.meta` object.
|
||||
|
||||
Bun implements the following properties.
|
||||
|
||||
```ts#/path/to/project/file.ts
|
||||
import.meta.dir; // => "/path/to/project"
|
||||
import.meta.file; // => "file.ts"
|
||||
import.meta.path; // => "/path/to/project/file.ts"
|
||||
import.meta.url; // => "file:///path/to/project/file.ts"
|
||||
|
||||
import.meta.main; // `true` if this file is directly executed by `bun run`
|
||||
// `false` otherwise
|
||||
|
||||
import.meta.resolve("zod"); // => "file:///path/to/project/node_modules/zod/index.js"
|
||||
```
|
||||
|
||||
{% table %}
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.dir`
|
||||
- Absolute path to the directory containing the current file, e.g. `/path/to/project`. Equivalent to `__dirname` in CommonJS modules (and Node.js)
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.dirname`
|
||||
- An alias to `import.meta.dir`, for Node.js compatibility
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.env`
|
||||
- An alias to `process.env`.
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.file`
|
||||
- The name of the current file, e.g. `index.tsx`
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.path`
|
||||
- Absolute path to the current file, e.g. `/path/to/project/index.ts`. Equivalent to `__filename` in CommonJS modules (and Node.js)
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.filename`
|
||||
- An alias to `import.meta.path`, for Node.js compatibility
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.main`
|
||||
- Indicates whether the current file is the entrypoint to the current `bun` process. Is the file being directly executed by `bun run` or is it being imported?
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.resolve`
|
||||
- Resolve a module specifier (e.g. `"zod"` or `"./file.tsx"`) to a url. Equivalent to [`import.meta.resolve` in browsers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import.meta#resolve)
|
||||
|
||||
```ts
|
||||
import.meta.resolve("zod");
|
||||
// => "file:///path/to/project/node_modules/zod/index.ts"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
- `import.meta.url`
|
||||
- A `string` url to the current file, e.g. `file:///path/to/project/index.ts`. Equivalent to [`import.meta.url` in browsers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import.meta#url)
|
||||
|
||||
{% /table %}
|
||||
@@ -1,8 +1,3 @@
|
||||
---
|
||||
title: Node-API
|
||||
description: Use Bun's Node-API module to build native add-ons to Node.js
|
||||
---
|
||||
|
||||
Node-API is an interface for building native add-ons to Node.js. Bun implements 95% of this interface from scratch, so most existing Node-API extensions will work with Bun out of the box. Track the completion status of it in [this issue](https://github.com/oven-sh/bun/issues/158).
|
||||
|
||||
As in Node.js, `.node` files (Node-API modules) can be required directly in Bun.
|
||||
@@ -1,13 +1,6 @@
|
||||
---
|
||||
title: Redis
|
||||
description: Use Bun's native Redis client with a Promise-based API
|
||||
---
|
||||
Bun provides native bindings for working with Redis databases with a modern, Promise-based API. The interface is designed to be simple and performant, with built-in connection management, fully typed responses, and TLS support. **New in Bun v1.2.9**
|
||||
|
||||
<Note>Bun's Redis client supports Redis server versions 7.2 and up.</Note>
|
||||
|
||||
Bun provides native bindings for working with Redis databases with a modern, Promise-based API. The interface is designed to be simple and performant, with built-in connection management, fully typed responses, and TLS support.
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { redis } from "bun";
|
||||
|
||||
// Set a key
|
||||
@@ -28,13 +21,11 @@ const exists = await redis.exists("greeting");
|
||||
await redis.del("greeting");
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Getting Started
|
||||
|
||||
To use the Redis client, you first need to create a connection:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { redis, RedisClient } from "bun";
|
||||
|
||||
// Using the default client (reads connection info from environment)
|
||||
@@ -58,7 +49,7 @@ By default, the client reads connection information from the following environme
|
||||
|
||||
The Redis client automatically handles connections in the background:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// No connection is made until a command is executed
|
||||
const client = new RedisClient();
|
||||
|
||||
@@ -74,7 +65,7 @@ client.close();
|
||||
|
||||
You can also manually control the connection lifecycle:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const client = new RedisClient();
|
||||
|
||||
// Explicitly connect
|
||||
@@ -87,13 +78,11 @@ await client.set("key", "value");
|
||||
client.close();
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Basic Operations
|
||||
|
||||
### String Operations
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Set a key
|
||||
await redis.set("user:1:name", "Alice");
|
||||
|
||||
@@ -119,7 +108,7 @@ const ttl = await redis.ttl("session:123");
|
||||
|
||||
### Numeric Operations
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Set initial value
|
||||
await redis.set("counter", "0");
|
||||
|
||||
@@ -132,9 +121,16 @@ await redis.decr("counter");
|
||||
|
||||
### Hash Operations
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Set multiple fields in a hash
|
||||
await redis.hmset("user:123", ["name", "Alice", "email", "alice@example.com", "active", "true"]);
|
||||
await redis.hmset("user:123", [
|
||||
"name",
|
||||
"Alice",
|
||||
"email",
|
||||
"alice@example.com",
|
||||
"active",
|
||||
"true",
|
||||
]);
|
||||
|
||||
// Get multiple fields from a hash
|
||||
const userFields = await redis.hmget("user:123", ["name", "email"]);
|
||||
@@ -153,7 +149,7 @@ await redis.hincrbyfloat("user:123", "score", 1.5);
|
||||
|
||||
### Set Operations
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Add member to set
|
||||
await redis.sadd("tags", "javascript");
|
||||
|
||||
@@ -173,25 +169,23 @@ const randomTag = await redis.srandmember("tags");
|
||||
const poppedTag = await redis.spop("tags");
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Pub/Sub
|
||||
|
||||
Bun provides native bindings for the [Redis
|
||||
Pub/Sub](https://redis.io/docs/latest/develop/pubsub/) protocol. **New in Bun
|
||||
1.2.23**
|
||||
|
||||
<Warning>
|
||||
The Redis Pub/Sub feature is experimental. Although we expect it to be stable, we're currently actively looking for
|
||||
feedback and areas for improvement.
|
||||
</Warning>
|
||||
{% callout %}
|
||||
**🚧** — The Redis Pub/Sub feature is experimental. Although we expect it to be
|
||||
stable, we're currently actively looking for feedback and areas for improvement.
|
||||
{% /callout %}
|
||||
|
||||
### Basic Usage
|
||||
|
||||
To get started publishing messages, you can set up a publisher in
|
||||
`publisher.ts`:
|
||||
|
||||
```typescript publisher.ts icon="/icons/typescript.svg"
|
||||
```typescript#publisher.ts
|
||||
import { RedisClient } from "bun";
|
||||
|
||||
const writer = new RedisClient("redis://localhost:6739");
|
||||
@@ -204,7 +198,7 @@ writer.close();
|
||||
|
||||
In another file, create the subscriber in `subscriber.ts`:
|
||||
|
||||
```typescript subscriber.ts icon="/icons/typescript.svg"
|
||||
```typescript#subscriber.ts
|
||||
import { RedisClient } from "bun";
|
||||
|
||||
const listener = new RedisClient("redis://localhost:6739");
|
||||
@@ -217,40 +211,40 @@ await listener.subscribe("general", (message, channel) => {
|
||||
|
||||
In one shell, run your subscriber:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
```bash
|
||||
bun run subscriber.ts
|
||||
```
|
||||
|
||||
and, in another, run your publisher:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
```bash
|
||||
bun run publisher.ts
|
||||
```
|
||||
|
||||
<Note>
|
||||
The subscription mode takes over the `RedisClient` connection. A
|
||||
{% callout %}
|
||||
**Note:** The subscription mode takes over the `RedisClient` connection. A
|
||||
client with subscriptions can only call `RedisClient.prototype.subscribe()`. In
|
||||
other words, applications which need to message Redis need a separate
|
||||
connection, acquirable through `.duplicate()`:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```typescript
|
||||
import { RedisClient } from "bun";
|
||||
|
||||
const redis = new RedisClient("redis://localhost:6379");
|
||||
await redis.connect();
|
||||
const subscriber = await redis.duplicate(); // [!code ++]
|
||||
const subscriber = await redis.duplicate();
|
||||
|
||||
await subscriber.subscribe("foo", () => {});
|
||||
await redis.set("bar", "baz");
|
||||
```
|
||||
|
||||
</Note>
|
||||
{% /callout %}
|
||||
|
||||
### Publishing
|
||||
|
||||
Publishing messages is done through the `publish()` method:
|
||||
|
||||
```typescript redis.ts icon="/icons/typescript.svg"
|
||||
```typescript
|
||||
await client.publish(channelName, message);
|
||||
```
|
||||
|
||||
@@ -259,13 +253,13 @@ await client.publish(channelName, message);
|
||||
The Bun `RedisClient` allows you to subscribe to channels through the
|
||||
`.subscribe()` method:
|
||||
|
||||
```typescript redis.ts icon="/icons/typescript.svg"
|
||||
```typescript
|
||||
await client.subscribe(channel, (message, channel) => {});
|
||||
```
|
||||
|
||||
You can unsubscribe through the `.unsubscribe()` method:
|
||||
|
||||
```typescript redis.ts icon="/icons/typescript.svg"
|
||||
```typescript
|
||||
await client.unsubscribe(); // Unsubscribe from all channels.
|
||||
await client.unsubscribe(channel); // Unsubscribe a particular channel.
|
||||
await client.unsubscribe(channel, listener); // Unsubscribe a particular listener.
|
||||
@@ -277,16 +271,19 @@ await client.unsubscribe(channel, listener); // Unsubscribe a particular listene
|
||||
|
||||
The client automatically pipelines commands, improving performance by sending multiple commands in a batch and processing responses as they arrive.
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Commands are automatically pipelined by default
|
||||
const [infoResult, listResult] = await Promise.all([redis.get("user:1:name"), redis.get("user:2:email")]);
|
||||
const [infoResult, listResult] = await Promise.all([
|
||||
redis.get("user:1:name"),
|
||||
redis.get("user:2:email"),
|
||||
]);
|
||||
```
|
||||
|
||||
To disable automatic pipelining, you can set the `enableAutoPipelining` option to `false`:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const client = new RedisClient("redis://localhost:6379", {
|
||||
enableAutoPipelining: false, // [!code ++]
|
||||
enableAutoPipelining: false,
|
||||
});
|
||||
```
|
||||
|
||||
@@ -294,7 +291,7 @@ const client = new RedisClient("redis://localhost:6379", {
|
||||
|
||||
When you need to use commands that don't have convenience methods, you can use the `send` method:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Run any Redis command
|
||||
const info = await redis.send("INFO", []);
|
||||
|
||||
@@ -311,7 +308,7 @@ The `send` method allows you to use any Redis command, even ones that don't have
|
||||
|
||||
You can register handlers for connection events:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const client = new RedisClient();
|
||||
|
||||
// Called when successfully connected to Redis server
|
||||
@@ -331,7 +328,7 @@ client.close();
|
||||
|
||||
### Connection Status and Monitoring
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Check if connected
|
||||
console.log(client.connected); // boolean indicating connection status
|
||||
|
||||
@@ -376,13 +373,11 @@ The following commands disable automatic pipelining:
|
||||
- `UNSUBSCRIBE`
|
||||
- `UNPSUBSCRIBE`
|
||||
|
||||
---
|
||||
|
||||
## Connection Options
|
||||
|
||||
When creating a client, you can pass various options to configure the connection:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const client = new RedisClient("redis://localhost:6379", {
|
||||
// Connection timeout in milliseconds (default: 10000)
|
||||
connectionTimeout: 5000,
|
||||
@@ -425,13 +420,11 @@ When a connection is lost, the client automatically attempts to reconnect with e
|
||||
- Queued if `enableOfflineQueue` is true (default)
|
||||
- Rejected immediately if `enableOfflineQueue` is false
|
||||
|
||||
---
|
||||
|
||||
## Supported URL Formats
|
||||
|
||||
The Redis client supports various URL formats:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Standard Redis URL
|
||||
new RedisClient("redis://localhost:6379");
|
||||
new RedisClient("redis://localhost:6379");
|
||||
@@ -457,13 +450,11 @@ new RedisClient("redis+tls+unix:///path/to/socket");
|
||||
new RedisClient("redis+tls+unix:///path/to/socket");
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Error Handling
|
||||
|
||||
The Redis client throws typed errors for different scenarios:
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
try {
|
||||
await redis.get("non-existent-key");
|
||||
} catch (error) {
|
||||
@@ -483,13 +474,11 @@ Common error codes:
|
||||
- `ERR_REDIS_AUTHENTICATION_FAILED` - Failed to authenticate with the server
|
||||
- `ERR_REDIS_INVALID_RESPONSE` - Received an invalid response from the server
|
||||
|
||||
---
|
||||
|
||||
## Example Use Cases
|
||||
|
||||
### Caching
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
async function getUserWithCache(userId) {
|
||||
const cacheKey = `user:${userId}`;
|
||||
|
||||
@@ -512,7 +501,7 @@ async function getUserWithCache(userId) {
|
||||
|
||||
### Rate Limiting
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
async function rateLimit(ip, limit = 100, windowSecs = 3600) {
|
||||
const key = `ratelimit:${ip}`;
|
||||
|
||||
@@ -534,13 +523,20 @@ async function rateLimit(ip, limit = 100, windowSecs = 3600) {
|
||||
|
||||
### Session Storage
|
||||
|
||||
```ts redis.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
async function createSession(userId, data) {
|
||||
const sessionId = crypto.randomUUID();
|
||||
const key = `session:${sessionId}`;
|
||||
|
||||
// Store session with expiration
|
||||
await redis.hmset(key, ["userId", userId.toString(), "created", Date.now().toString(), "data", JSON.stringify(data)]);
|
||||
await redis.hmset(key, [
|
||||
"userId",
|
||||
userId.toString(),
|
||||
"created",
|
||||
Date.now().toString(),
|
||||
"data",
|
||||
JSON.stringify(data),
|
||||
]);
|
||||
await redis.expire(key, 86400); // 24 hours
|
||||
|
||||
return sessionId;
|
||||
@@ -553,7 +549,11 @@ async function getSession(sessionId) {
|
||||
const exists = await redis.exists(key);
|
||||
if (!exists) return null;
|
||||
|
||||
const [userId, created, data] = await redis.hmget(key, ["userId", "created", "data"]);
|
||||
const [userId, created, data] = await redis.hmget(key, [
|
||||
"userId",
|
||||
"created",
|
||||
"data",
|
||||
]);
|
||||
|
||||
return {
|
||||
userId: Number(userId),
|
||||
@@ -563,19 +563,33 @@ async function getSession(sessionId) {
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Implementation Notes
|
||||
|
||||
Bun's Redis client is implemented in Zig and uses the Redis Serialization Protocol (RESP3). It manages connections efficiently and provides automatic reconnection with exponential backoff.
|
||||
|
||||
The client supports pipelining commands, meaning multiple commands can be sent without waiting for the replies to previous commands. This significantly improves performance when sending multiple commands in succession.
|
||||
|
||||
### RESP3 Protocol Support
|
||||
|
||||
Bun's Redis client uses the newer RESP3 protocol by default, which provides more data types and features compared to RESP2:
|
||||
|
||||
- Better error handling with typed errors
|
||||
- Native Boolean responses
|
||||
- Map/Dictionary responses (key-value objects)
|
||||
- Set responses
|
||||
- Double (floating point) values
|
||||
- BigNumber support for large integer values
|
||||
|
||||
When connecting to Redis servers using older versions that don't support RESP3, the client automatically fallbacks to compatible modes.
|
||||
|
||||
## Limitations and Future Plans
|
||||
|
||||
Current limitations of the Redis client we are planning to address in future versions:
|
||||
|
||||
- Transactions (MULTI/EXEC) must be done through raw commands for now
|
||||
- [ ] Transactions (MULTI/EXEC) must be done through raw commands for now
|
||||
- [ ] Streams are supported but without dedicated methods
|
||||
- [ ] Pub/Sub does not currently support binary data, nor pattern-based
|
||||
subscriptions.
|
||||
|
||||
Unsupported features:
|
||||
|
||||
@@ -1,19 +1,16 @@
|
||||
---
|
||||
title: S3
|
||||
description: Bun provides fast, native bindings for interacting with S3-compatible object storage services.
|
||||
---
|
||||
|
||||
Production servers often read, upload, and write files to S3-compatible object storage services instead of the local filesystem. Historically, that means local filesystem APIs you use in development can't be used in production. When you use Bun, things are different.
|
||||
|
||||
{% callout %}
|
||||
|
||||
### Bun's S3 API is fast
|
||||
|
||||
<Frame caption="Left: Bun v1.1.44. Right: Node.js v23.6.0">
|
||||
<img src="/images/bun-s3-node.gif" alt="Bun's S3 API is fast" />
|
||||
</Frame>
|
||||
{% image src="https://bun.com/bun-s3-node.gif" alt="Bun's S3 API is fast" caption="Left: Bun v1.1.44. Right: Node.js v23.6.0" /%}
|
||||
|
||||
{% /callout %}
|
||||
|
||||
Bun provides fast, native bindings for interacting with S3-compatible object storage services. Bun's S3 API is designed to be simple and feel similar to fetch's `Response` and `Blob` APIs (like Bun's local filesystem APIs).
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { s3, write, S3Client } from "bun";
|
||||
|
||||
// Bun.s3 reads environment variables for credentials
|
||||
@@ -55,7 +52,7 @@ There are several ways to interact with Bun's S3 API.
|
||||
|
||||
To explicitly set credentials, pass them to the `Bun.S3Client` constructor.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const client = new S3Client({
|
||||
@@ -77,7 +74,7 @@ const client = new S3Client({
|
||||
|
||||
The **`file`** method in `S3Client` returns a **lazy reference to a file on S3**.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// A lazy reference to a file on S3
|
||||
const s3file: S3File = client.file("123.json");
|
||||
```
|
||||
@@ -88,7 +85,7 @@ Like `Bun.file(path)`, the `S3Client`'s `file` method is synchronous. It does ze
|
||||
|
||||
If you've used the `fetch` API, you're familiar with the `Response` and `Blob` APIs. `S3File` extends `Blob`. The same methods that work on `Blob` also work on `S3File`.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Read an S3File as text
|
||||
const text = await s3file.text();
|
||||
|
||||
@@ -120,7 +117,7 @@ These helper methods not only simplify the API, they also make it faster.
|
||||
|
||||
Writing to S3 is just as simple.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Write a string (replacing the file)
|
||||
await s3file.write("Hello World!");
|
||||
|
||||
@@ -149,7 +146,7 @@ await Bun.write(s3file, "Hello World!");
|
||||
|
||||
Bun automatically handles multipart uploads for large files and provides streaming capabilities. The same API that works for local files also works for S3 files.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Write a large file
|
||||
const bigFile = Buffer.alloc(10 * 1024 * 1024); // 10MB
|
||||
const writer = s3file.writer({
|
||||
@@ -169,8 +166,6 @@ for (let i = 0; i < 10; i++) {
|
||||
await writer.end();
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Presigning URLs
|
||||
|
||||
When your production service needs to let users upload files to your server, it's often more reliable for the user to upload directly to S3 instead of your server acting as an intermediary.
|
||||
@@ -179,7 +174,7 @@ To facilitate this, you can presign URLs for S3 files. This generates a URL with
|
||||
|
||||
The default behaviour is to generate a `GET` URL that expires in 24 hours. Bun attempts to infer the content type from the file extension. If inference is not possible, it will default to `application/octet-stream`.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { s3 } from "bun";
|
||||
|
||||
// Generate a presigned URL that expires in 24 hours (default)
|
||||
@@ -203,7 +198,7 @@ const presignedFile = myFile.presign({
|
||||
|
||||
To set an ACL (access control list) on a presigned URL, pass the `acl` option:
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const url = s3file.presign({
|
||||
acl: "public-read",
|
||||
expiresIn: 3600,
|
||||
@@ -227,7 +222,7 @@ You can pass any of the following ACLs:
|
||||
|
||||
To set an expiration time for a presigned URL, pass the `expiresIn` option.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const url = s3file.presign({
|
||||
// Seconds
|
||||
expiresIn: 3600, // 1 hour
|
||||
@@ -244,7 +239,7 @@ const url = s3file.presign({
|
||||
|
||||
To set the HTTP method for a presigned URL, pass the `method` option.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const url = s3file.presign({
|
||||
method: "PUT",
|
||||
// method: "DELETE",
|
||||
@@ -259,14 +254,14 @@ const url = s3file.presign({
|
||||
|
||||
To quickly redirect users to a presigned URL for an S3 file, pass an `S3File` instance to a `Response` object as the body.
|
||||
|
||||
This will automatically redirect the user to the presigned URL for the S3 file, saving you the memory, time, and bandwidth cost of downloading the file to your server and sending it back to the user.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const response = new Response(s3file);
|
||||
console.log(response);
|
||||
```
|
||||
|
||||
```txt
|
||||
This will automatically redirect the user to the presigned URL for the S3 file, saving you the memory, time, and bandwidth cost of downloading the file to your server and sending it back to the user.
|
||||
|
||||
```ts
|
||||
Response (0 KB) {
|
||||
ok: false,
|
||||
url: "",
|
||||
@@ -280,8 +275,6 @@ Response (0 KB) {
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Support for S3-Compatible Services
|
||||
|
||||
Bun's S3 implementation works with any S3-compatible storage service. Just specify the appropriate endpoint:
|
||||
@@ -290,7 +283,7 @@ Bun's S3 implementation works with any S3-compatible storage service. Just speci
|
||||
|
||||
AWS S3 is the default. You can also pass a `region` option instead of an `endpoint` option for AWS S3.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
// AWS S3
|
||||
@@ -307,7 +300,7 @@ const s3 = new S3Client({
|
||||
|
||||
To use Bun's S3 client with [Google Cloud Storage](https://cloud.google.com/storage), set `endpoint` to `"https://storage.googleapis.com"` in the `S3Client` constructor.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={8}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
// Google Cloud Storage
|
||||
@@ -323,7 +316,7 @@ const gcs = new S3Client({
|
||||
|
||||
To use Bun's S3 client with [Cloudflare R2](https://developers.cloudflare.com/r2/), set `endpoint` to the R2 endpoint in the `S3Client` constructor. The R2 endpoint includes your account ID.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={8}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
// CloudFlare R2
|
||||
@@ -339,7 +332,7 @@ const r2 = new S3Client({
|
||||
|
||||
To use Bun's S3 client with [DigitalOcean Spaces](https://www.digitalocean.com/products/spaces/), set `endpoint` to the DigitalOcean Spaces endpoint in the `S3Client` constructor.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={8}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const spaces = new S3Client({
|
||||
@@ -355,7 +348,7 @@ const spaces = new S3Client({
|
||||
|
||||
To use Bun's S3 client with [MinIO](https://min.io/), set `endpoint` to the URL that MinIO is running on in the `S3Client` constructor.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={10}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const minio = new S3Client({
|
||||
@@ -371,9 +364,9 @@ const minio = new S3Client({
|
||||
|
||||
### Using Bun's S3Client with supabase
|
||||
|
||||
To use Bun's S3 client with [supabase](https://supabase.com/), set `endpoint` to the supabase endpoint in the `S3Client` constructor. The supabase endpoint includes your account ID and /storage/v1/s3 path. Make sure to set Enable connection via S3 protocol on in the supabase dashboard in `https://supabase.com/dashboard/project/<account-id>/settings/storage` and to set the region informed in the same section.
|
||||
To use Bun's S3 client with [supabase](https://supabase.com/), set `endpoint` to the supabase endpoint in the `S3Client` constructor. The supabase endpoint includes your account ID and /storage/v1/s3 path. Make sure to set Enable connection via S3 protocol on in the supabase dashboard in https://supabase.com/dashboard/project/<account-id>/settings/storage and to set the region informed in the same section.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={3-10}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const supabase = new S3Client({
|
||||
@@ -387,15 +380,9 @@ const supabase = new S3Client({
|
||||
|
||||
### Using Bun's S3Client with S3 Virtual Hosted-Style endpoints
|
||||
|
||||
When using a S3 Virtual Hosted-Style endpoint, you need to set the `virtualHostedStyle` option to `true`.
|
||||
When using a S3 Virtual Hosted-Style endpoint, you need to set the `virtualHostedStyle` option to `true` and if no endpoint is provided, Bun will use region and bucket to infer the endpoint to AWS S3, if no region is provided it will use `us-east-1`. If you provide a the endpoint, there are no need to provide the bucket name.
|
||||
|
||||
<Note>
|
||||
- If you don’t specify an endpoint, Bun will automatically determine the AWS S3 endpoint using the provided region and
|
||||
bucket. - If no region is specified, Bun defaults to us-east-1. - If you explicitly provide an endpoint, you don’t
|
||||
need to specify a bucket name.
|
||||
</Note>
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={17, 25}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
// AWS S3 endpoint inferred from region and bucket
|
||||
@@ -403,7 +390,7 @@ const s3 = new S3Client({
|
||||
accessKeyId: "access-key",
|
||||
secretAccessKey: "secret-key",
|
||||
bucket: "my-bucket",
|
||||
virtualHostedStyle: true, // [!code ++]
|
||||
virtualHostedStyle: true,
|
||||
// endpoint: "https://my-bucket.s3.us-east-1.amazonaws.com",
|
||||
// region: "us-east-1",
|
||||
});
|
||||
@@ -413,7 +400,7 @@ const s3WithEndpoint = new S3Client({
|
||||
accessKeyId: "access-key",
|
||||
secretAccessKey: "secret-key",
|
||||
endpoint: "https://<bucket-name>.s3.<region>.amazonaws.com",
|
||||
virtualHostedStyle: true, // [!code ++]
|
||||
virtualHostedStyle: true,
|
||||
});
|
||||
|
||||
// Cloudflare R2
|
||||
@@ -421,12 +408,10 @@ const r2WithEndpoint = new S3Client({
|
||||
accessKeyId: "access-key",
|
||||
secretAccessKey: "secret-key",
|
||||
endpoint: "https://<bucket-name>.<account-id>.r2.cloudflarestorage.com",
|
||||
virtualHostedStyle: true, // [!code ++]
|
||||
virtualHostedStyle: true,
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Credentials
|
||||
|
||||
Credentials are one of the hardest parts of using S3, and we've tried to make it as easy as possible. By default, Bun reads the following environment variables for credentials.
|
||||
@@ -451,7 +436,7 @@ If the `S3_*` environment variable is not set, Bun will also check for the `AWS_
|
||||
| `bucket` | `AWS_BUCKET` |
|
||||
| `sessionToken` | `AWS_SESSION_TOKEN` |
|
||||
|
||||
These environment variables are read from [`.env` files](/runtime/environment-variables) or from the process environment at initialization time (`process.env` is not used for this).
|
||||
These environment variables are read from [`.env` files](/docs/runtime/env) or from the process environment at initialization time (`process.env` is not used for this).
|
||||
|
||||
These defaults are overridden by the options you pass to `s3.file(credentials)`, `new Bun.S3Client(credentials)`, or any of the methods that accept credentials. So if, for example, you use the same credentials for different buckets, you can set the credentials once in your `.env` file and then pass `bucket: "my-bucket"` to the `s3.file()` function without having to specify all the credentials again.
|
||||
|
||||
@@ -459,7 +444,7 @@ These defaults are overridden by the options you pass to `s3.file(credentials)`,
|
||||
|
||||
When you're not using environment variables or using multiple buckets, you can create a `S3Client` object to explicitly set credentials.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={3-11}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const client = new S3Client({
|
||||
@@ -489,14 +474,13 @@ await file.delete();
|
||||
|
||||
To upload or write a file to S3, call `write` on the `S3Client` instance.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={8, 9}
|
||||
```ts
|
||||
const client = new Bun.S3Client({
|
||||
accessKeyId: "your-access-key",
|
||||
secretAccessKey: "your-secret-key",
|
||||
endpoint: "https://s3.us-east-1.amazonaws.com",
|
||||
bucket: "my-bucket",
|
||||
});
|
||||
|
||||
await client.write("my-file.txt", "Hello World!");
|
||||
await client.write("my-file.txt", new Response("Hello World!"));
|
||||
|
||||
@@ -508,7 +492,7 @@ await client.write("my-file.txt", new Response("Hello World!"));
|
||||
|
||||
To delete a file from S3, call `delete` on the `S3Client` instance.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={7}
|
||||
```ts
|
||||
const client = new Bun.S3Client({
|
||||
accessKeyId: "your-access-key",
|
||||
secretAccessKey: "your-secret-key",
|
||||
@@ -524,7 +508,7 @@ await client.delete("my-file.txt");
|
||||
|
||||
To check if a file exists in S3, call `exists` on the `S3Client` instance.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={7}
|
||||
```ts
|
||||
const client = new Bun.S3Client({
|
||||
accessKeyId: "your-access-key",
|
||||
secretAccessKey: "your-secret-key",
|
||||
@@ -540,7 +524,7 @@ const exists = await client.exists("my-file.txt");
|
||||
|
||||
`S3File` instances are created by calling the `S3Client` instance method or the `s3.file()` function. Like `Bun.file()`, `S3File` instances are lazy. They don't refer to something that necessarily exists at the time of creation. That's why all the methods that don't involve network requests are fully synchronous.
|
||||
|
||||
```ts Type Reference icon="/icons/typescript.svg" expandable
|
||||
```ts
|
||||
interface S3File extends Blob {
|
||||
slice(start: number, end?: number): S3File;
|
||||
exists(): Promise<boolean>;
|
||||
@@ -552,7 +536,14 @@ interface S3File extends Blob {
|
||||
arrayBuffer(): Promise<ArrayBuffer>;
|
||||
stream(options: S3Options): ReadableStream;
|
||||
write(
|
||||
data: string | Uint8Array | ArrayBuffer | Blob | ReadableStream | Response | Request,
|
||||
data:
|
||||
| string
|
||||
| Uint8Array
|
||||
| ArrayBuffer
|
||||
| Blob
|
||||
| ReadableStream
|
||||
| Response
|
||||
| Request,
|
||||
options?: BlobPropertyBag,
|
||||
): Promise<number>;
|
||||
|
||||
@@ -589,7 +580,7 @@ That means using `S3File` instances with `fetch()`, `Response`, and other web AP
|
||||
|
||||
To read a partial range of a file, you can use the `slice` method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={1}
|
||||
```ts
|
||||
const partial = s3file.slice(0, 1024);
|
||||
|
||||
// Read the partial range as a Uint8Array
|
||||
@@ -605,7 +596,7 @@ Internally, this works by using the HTTP `Range` header to request only the byte
|
||||
|
||||
To delete a file from S3, you can use the `delete` method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={1}
|
||||
```ts
|
||||
await s3file.delete();
|
||||
// await s3File.unlink();
|
||||
```
|
||||
@@ -633,7 +624,7 @@ The `S3Client` class provides several static methods for interacting with S3.
|
||||
|
||||
To write data directly to a path in the bucket, you can use the `S3Client.write` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={12, 15-18, 22, 25-29}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -671,7 +662,7 @@ This is equivalent to calling `new S3Client(credentials).write("my-file.txt", "H
|
||||
|
||||
To generate a presigned URL for an S3 file, you can use the `S3Client.presign` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={11-14}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -694,7 +685,7 @@ This is equivalent to calling `new S3Client(credentials).presign("my-file.txt",
|
||||
|
||||
To list some or all (up to 1,000) objects in a bucket, you can use the `S3Client.list` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={12, 15-20, 24-29}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -733,7 +724,7 @@ This is equivalent to calling `new S3Client(credentials).list()`.
|
||||
|
||||
To check if an S3 file exists, you can use the `S3Client.exists` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={11}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -749,13 +740,12 @@ const exists = await S3Client.exists("my-file.txt", credentials);
|
||||
|
||||
The same method also works on `S3File` instances.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight=7}
|
||||
```ts
|
||||
import { s3 } from "bun";
|
||||
|
||||
const s3file = s3.file("my-file.txt", {
|
||||
// ...credentials,
|
||||
...credentials,
|
||||
});
|
||||
|
||||
const exists = await s3file.exists();
|
||||
```
|
||||
|
||||
@@ -763,7 +753,7 @@ const exists = await s3file.exists();
|
||||
|
||||
To quickly check the size of S3 file without downloading it, you can use the `S3Client.size` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={11}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -783,7 +773,7 @@ This is equivalent to calling `new S3Client(credentials).size("my-file.txt")`.
|
||||
|
||||
To get the size, etag, and other metadata of an S3 file, you can use the `S3Client.stat` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -795,22 +785,19 @@ const credentials = {
|
||||
};
|
||||
|
||||
const stat = await S3Client.stat("my-file.txt", credentials);
|
||||
```
|
||||
|
||||
```txt
|
||||
{
|
||||
etag: "\"7a30b741503c0b461cc14157e2df4ad8\"",
|
||||
lastModified: 2025-01-07T00:19:10.000Z,
|
||||
size: 1024,
|
||||
type: "text/plain;charset=utf-8",
|
||||
}
|
||||
// {
|
||||
// etag: "\"7a30b741503c0b461cc14157e2df4ad8\"",
|
||||
// lastModified: 2025-01-07T00:19:10.000Z,
|
||||
// size: 1024,
|
||||
// type: "text/plain;charset=utf-8",
|
||||
// }
|
||||
```
|
||||
|
||||
### `S3Client.delete` (static)
|
||||
|
||||
To delete an S3 file, you can use the `S3Client.delete` static method.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={10, 15}
|
||||
```ts
|
||||
import { S3Client } from "bun";
|
||||
|
||||
const credentials = {
|
||||
@@ -832,14 +819,14 @@ await S3Client.unlink("my-file.txt", credentials);
|
||||
|
||||
To make it easier to use the same code for local files and S3 files, the `s3://` protocol is supported in `fetch` and `Bun.file()`.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const response = await fetch("s3://my-bucket/my-file.txt");
|
||||
const file = Bun.file("s3://my-bucket/my-file.txt");
|
||||
```
|
||||
|
||||
You can additionally pass `s3` options to the `fetch` and `Bun.file` functions.
|
||||
|
||||
```ts s3.ts icon="/icons/typescript.svg" highlight={2-6}
|
||||
```ts
|
||||
const response = await fetch("s3://my-bucket/my-file.txt", {
|
||||
s3: {
|
||||
accessKeyId: "your-access-key",
|
||||
@@ -847,7 +834,7 @@ const response = await fetch("s3://my-bucket/my-file.txt", {
|
||||
endpoint: "https://s3.us-east-1.amazonaws.com",
|
||||
},
|
||||
headers: {
|
||||
range: "bytes=0-1023",
|
||||
"range": "bytes=0-1023",
|
||||
},
|
||||
});
|
||||
```
|
||||
@@ -1,41 +1,30 @@
|
||||
---
|
||||
title: Secrets
|
||||
description: Use Bun's Secrets API to store and retrieve sensitive credentials securely
|
||||
---
|
||||
|
||||
Store and retrieve sensitive credentials securely using the operating system's native credential storage APIs.
|
||||
|
||||
<Warning>This API is new and experimental. It may change in the future.</Warning>
|
||||
**Experimental:** This API is new and experimental. It may change in the future.
|
||||
|
||||
```typescript index.ts icon="/icons/typescript.svg"
|
||||
```typescript
|
||||
import { secrets } from "bun";
|
||||
|
||||
let githubToken: string | null = await secrets.get({
|
||||
const githubToken = await secrets.get({
|
||||
service: "my-cli-tool",
|
||||
name: "github-token",
|
||||
});
|
||||
|
||||
if (!githubToken) {
|
||||
githubToken = prompt("Please enter your GitHub token");
|
||||
|
||||
const response = await fetch("https://api.github.com/name", {
|
||||
headers: { "Authorization": `token ${githubToken}` },
|
||||
});
|
||||
console.log("Please enter your GitHub token");
|
||||
} else {
|
||||
await secrets.set({
|
||||
service: "my-cli-tool",
|
||||
name: "github-token",
|
||||
value: githubToken,
|
||||
value: prompt("Please enter your GitHub token"),
|
||||
});
|
||||
|
||||
console.log("GitHub token stored");
|
||||
}
|
||||
|
||||
const response = await fetch("https://api.github.com/user", {
|
||||
headers: { Authorization: `token ${githubToken}` },
|
||||
});
|
||||
|
||||
console.log(`Logged in as ${(await response.json()).login}`);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Overview
|
||||
|
||||
`Bun.secrets` provides a cross-platform API for managing sensitive credentials that CLI tools and development applications typically store in plaintext files like `~/.npmrc`, `~/.aws/credentials`, or `.env` files. It uses:
|
||||
@@ -46,12 +35,7 @@ console.log(`Logged in as ${(await response.json()).login}`);
|
||||
|
||||
All operations are asynchronous and non-blocking, running on Bun's threadpool.
|
||||
|
||||
<Note>
|
||||
In the future, we may add an additional `provider` option to make this better for production deployment secrets, but
|
||||
today this API is mostly useful for local development tools.
|
||||
</Note>
|
||||
|
||||
---
|
||||
Note: in the future, we may add an additional `provider` option to make this better for production deployment secrets, but today this API is mostly useful for local development tools.
|
||||
|
||||
## API
|
||||
|
||||
@@ -128,8 +112,6 @@ const deleted = await Bun.secrets.delete({
|
||||
|
||||
- `Promise<boolean>` - `true` if a credential was deleted, `false` if not found
|
||||
|
||||
---
|
||||
|
||||
## Examples
|
||||
|
||||
### Storing CLI Tool Credentials
|
||||
@@ -161,7 +143,7 @@ const token = await Bun.secrets.get({
|
||||
if (token) {
|
||||
const response = await fetch("https://api.github.com/name", {
|
||||
headers: {
|
||||
Authorization: `token ${token}`,
|
||||
"Authorization": `token ${token}`,
|
||||
},
|
||||
});
|
||||
}
|
||||
@@ -236,8 +218,6 @@ await Bun.secrets.set({
|
||||
// The old password is replaced
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Platform Behavior
|
||||
|
||||
### macOS (Keychain)
|
||||
@@ -279,8 +259,6 @@ await Bun.secrets.set({
|
||||
- macOS: Keychain Access must be available
|
||||
- Windows: Credential Manager service must be enabled
|
||||
|
||||
---
|
||||
|
||||
## Comparison with Environment Variables
|
||||
|
||||
Unlike environment variables, `Bun.secrets`:
|
||||
@@ -293,8 +271,6 @@ Unlike environment variables, `Bun.secrets`:
|
||||
- ❌ Requires OS credential service
|
||||
- ❌ Not very useful for deployment secrets (use environment variables in production)
|
||||
|
||||
---
|
||||
|
||||
## Best Practices
|
||||
|
||||
1. **Use descriptive service names**: Match the tool or application name
|
||||
@@ -318,8 +294,6 @@ Unlike environment variables, `Bun.secrets`:
|
||||
- ✅ Personal API keys for testing
|
||||
- ❌ Production servers (use proper secret management)
|
||||
|
||||
---
|
||||
|
||||
## TypeScript
|
||||
|
||||
```typescript
|
||||
@@ -338,3 +312,8 @@ namespace Bun {
|
||||
const secrets: Secrets;
|
||||
}
|
||||
```
|
||||
|
||||
## See Also
|
||||
|
||||
- [Environment Variables](./env.md) - For deployment configuration
|
||||
- [Bun.password](./password.md) - For password hashing and verification
|
||||
@@ -1,17 +1,12 @@
|
||||
---
|
||||
title: Semver
|
||||
description: Use Bun's semantic versioning API
|
||||
---
|
||||
|
||||
Bun implements a semantic versioning API which can be used to compare versions and determine if a version is compatible with another range of versions. The versions and ranges are designed to be compatible with `node-semver`, which is used by npm clients.
|
||||
|
||||
It's about 20x faster than `node-semver`.
|
||||
|
||||
<Frame></Frame>
|
||||

|
||||
|
||||
Currently, this API provides two functions:
|
||||
Currently, this API provides two functions :
|
||||
|
||||
## `Bun.semver.satisfies(version: string, range: string): boolean`
|
||||
#### `Bun.semver.satisfies(version: string, range: string): boolean`
|
||||
|
||||
Returns `true` if `version` satisfies `range`, otherwise `false`.
|
||||
|
||||
@@ -36,7 +31,7 @@ semver.satisfies("1.0.0", "1.0.0 - 1.0.1"); // true
|
||||
|
||||
If `range` is invalid, it returns false. If `version` is invalid, it returns false.
|
||||
|
||||
## `Bun.semver.order(versionA: string, versionB: string): 0 | 1 | -1`
|
||||
#### `Bun.semver.order(versionA: string, versionB: string): 0 | 1 | -1`
|
||||
|
||||
Returns `0` if `versionA` and `versionB` are equal, `1` if `versionA` is greater than `versionB`, and `-1` if `versionA` is less than `versionB`.
|
||||
|
||||
@@ -1,7 +1,4 @@
|
||||
---
|
||||
title: Spawn
|
||||
description: Spawn child processes with `Bun.spawn` or `Bun.spawnSync`
|
||||
---
|
||||
Spawn child processes with `Bun.spawn` or `Bun.spawnSync`.
|
||||
|
||||
## Spawn a process (`Bun.spawn()`)
|
||||
|
||||
@@ -32,25 +29,68 @@ By default, the input stream of the subprocess is undefined; it can be configure
|
||||
|
||||
```ts
|
||||
const proc = Bun.spawn(["cat"], {
|
||||
stdin: await fetch("https://raw.githubusercontent.com/oven-sh/bun/main/examples/hashing.js"),
|
||||
stdin: await fetch(
|
||||
"https://raw.githubusercontent.com/oven-sh/bun/main/examples/hashing.js",
|
||||
),
|
||||
});
|
||||
|
||||
const text = await proc.stdout.text();
|
||||
console.log(text); // "const input = "hello world".repeat(400); ..."
|
||||
```
|
||||
|
||||
| Value | Description |
|
||||
| ------------------------ | ------------------------------------------------ |
|
||||
| `null` | **Default.** Provide no input to the subprocess |
|
||||
| `"pipe"` | Return a `FileSink` for fast incremental writing |
|
||||
| `"inherit"` | Inherit the `stdin` of the parent process |
|
||||
| `Bun.file()` | Read from the specified file |
|
||||
| `TypedArray \| DataView` | Use a binary buffer as input |
|
||||
| `Response` | Use the response `body` as input |
|
||||
| `Request` | Use the request `body` as input |
|
||||
| `ReadableStream` | Use a readable stream as input |
|
||||
| `Blob` | Use a blob as input |
|
||||
| `number` | Read from the file with a given file descriptor |
|
||||
{% table %}
|
||||
|
||||
---
|
||||
|
||||
- `null`
|
||||
- **Default.** Provide no input to the subprocess
|
||||
|
||||
---
|
||||
|
||||
- `"pipe"`
|
||||
- Return a `FileSink` for fast incremental writing
|
||||
|
||||
---
|
||||
|
||||
- `"inherit"`
|
||||
- Inherit the `stdin` of the parent process
|
||||
|
||||
---
|
||||
|
||||
- `Bun.file()`
|
||||
- Read from the specified file.
|
||||
|
||||
---
|
||||
|
||||
- `TypedArray | DataView`
|
||||
- Use a binary buffer as input.
|
||||
|
||||
---
|
||||
|
||||
- `Response`
|
||||
- Use the response `body` as input.
|
||||
|
||||
---
|
||||
|
||||
- `Request`
|
||||
- Use the request `body` as input.
|
||||
|
||||
---
|
||||
|
||||
- `ReadableStream`
|
||||
- Use a readable stream as input.
|
||||
|
||||
---
|
||||
|
||||
- `Blob`
|
||||
- Use a blob as input.
|
||||
|
||||
---
|
||||
|
||||
- `number`
|
||||
- Read from the file with a given file descriptor.
|
||||
|
||||
{% /table %}
|
||||
|
||||
The `"pipe"` option lets incrementally write to the subprocess's input stream from the parent process.
|
||||
|
||||
@@ -89,7 +129,7 @@ const proc = Bun.spawn(["cat"], {
|
||||
stdout: "pipe",
|
||||
});
|
||||
|
||||
const output = await proc.stdout.text();
|
||||
const output = await new Response(proc.stdout).text();
|
||||
console.log(output); // "Hello from ReadableStream!"
|
||||
```
|
||||
|
||||
@@ -100,24 +140,45 @@ You can read results from the subprocess via the `stdout` and `stderr` propertie
|
||||
```ts
|
||||
const proc = Bun.spawn(["bun", "--version"]);
|
||||
const text = await proc.stdout.text();
|
||||
console.log(text); // => "1.3.3\n"
|
||||
console.log(text); // => "$BUN_LATEST_VERSION\n"
|
||||
```
|
||||
|
||||
Configure the output stream by passing one of the following values to `stdout/stderr`:
|
||||
|
||||
| Value | Description |
|
||||
| ------------ | --------------------------------------------------------------------------------------------------- |
|
||||
| `"pipe"` | **Default for `stdout`.** Pipe the output to a `ReadableStream` on the returned `Subprocess` object |
|
||||
| `"inherit"` | **Default for `stderr`.** Inherit from the parent process |
|
||||
| `"ignore"` | Discard the output |
|
||||
| `Bun.file()` | Write to the specified file |
|
||||
| `number` | Write to the file with the given file descriptor |
|
||||
{% table %}
|
||||
|
||||
---
|
||||
|
||||
- `"pipe"`
|
||||
- **Default for `stdout`.** Pipe the output to a `ReadableStream` on the returned `Subprocess` object.
|
||||
|
||||
---
|
||||
|
||||
- `"inherit"`
|
||||
- **Default for `stderr`.** Inherit from the parent process.
|
||||
|
||||
---
|
||||
|
||||
- `"ignore"`
|
||||
- Discard the output.
|
||||
|
||||
---
|
||||
|
||||
- `Bun.file()`
|
||||
- Write to the specified file.
|
||||
|
||||
---
|
||||
|
||||
- `number`
|
||||
- Write to the file with the given file descriptor.
|
||||
|
||||
{% /table %}
|
||||
|
||||
## Exit handling
|
||||
|
||||
Use the `onExit` callback to listen for the process exiting or being killed.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const proc = Bun.spawn(["bun", "--version"], {
|
||||
onExit(proc, exitCode, signalCode, error) {
|
||||
// exit handler
|
||||
@@ -127,7 +188,7 @@ const proc = Bun.spawn(["bun", "--version"], {
|
||||
|
||||
For convenience, the `exited` property is a `Promise` that resolves when the process exits.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const proc = Bun.spawn(["bun", "--version"]);
|
||||
|
||||
await proc.exited; // resolves when process exit
|
||||
@@ -138,7 +199,7 @@ proc.signalCode; // null | "SIGABRT" | "SIGALRM" | ...
|
||||
|
||||
To kill a process:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const proc = Bun.spawn(["bun", "--version"]);
|
||||
proc.kill();
|
||||
proc.killed; // true
|
||||
@@ -149,7 +210,7 @@ proc.kill("SIGTERM"); // specify a signal name
|
||||
|
||||
The parent `bun` process will not terminate until all child processes have exited. Use `proc.unref()` to detach the child process from the parent.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const proc = Bun.spawn(["bun", "--version"]);
|
||||
proc.unref();
|
||||
```
|
||||
@@ -158,7 +219,7 @@ proc.unref();
|
||||
|
||||
You can get information about the process's resource usage after it has exited:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const proc = Bun.spawn(["bun", "--version"]);
|
||||
await proc.exited;
|
||||
|
||||
@@ -172,7 +233,7 @@ console.log(`CPU time (system): ${usage.cpuTime.system} µs`);
|
||||
|
||||
You can abort a subprocess using an `AbortSignal`:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const controller = new AbortController();
|
||||
const { signal } = controller;
|
||||
|
||||
@@ -189,7 +250,7 @@ controller.abort();
|
||||
|
||||
You can set a timeout for a subprocess to automatically terminate after a specific duration:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Kill the process after 5 seconds
|
||||
const proc = Bun.spawn({
|
||||
cmd: ["sleep", "10"],
|
||||
@@ -201,7 +262,7 @@ await proc.exited; // Will resolve after 5 seconds
|
||||
|
||||
By default, timed-out processes are killed with the `SIGTERM` signal. You can specify a different signal with the `killSignal` option:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// Kill the process with SIGKILL after 5 seconds
|
||||
const proc = Bun.spawn({
|
||||
cmd: ["sleep", "10"],
|
||||
@@ -216,10 +277,10 @@ The `killSignal` option also controls which signal is sent when an AbortSignal i
|
||||
|
||||
For spawnSync, you can limit the maximum number of bytes of output before the process is killed:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
// Kill 'yes' after it emits over 100 bytes of output
|
||||
```ts
|
||||
// KIll 'yes' after it emits over 100 bytes of output
|
||||
const result = Bun.spawnSync({
|
||||
cmd: ["yes"], // or ["bun", "exec", "yes"] on Windows
|
||||
cmd: ["yes"], // or ["bun", "exec", "yes"] on windows
|
||||
maxBuffer: 100,
|
||||
});
|
||||
// process exits
|
||||
@@ -229,7 +290,7 @@ const result = Bun.spawnSync({
|
||||
|
||||
Bun supports direct inter-process communication channel between two `bun` processes. To receive messages from a spawned Bun subprocess, specify an `ipc` handler.
|
||||
|
||||
```ts parent.ts icon="/icons/typescript.svg"
|
||||
```ts#parent.ts
|
||||
const child = Bun.spawn(["bun", "child.ts"], {
|
||||
ipc(message) {
|
||||
/**
|
||||
@@ -241,13 +302,13 @@ const child = Bun.spawn(["bun", "child.ts"], {
|
||||
|
||||
The parent process can send messages to the subprocess using the `.send()` method on the returned `Subprocess` instance. A reference to the sending subprocess is also available as the second argument in the `ipc` handler.
|
||||
|
||||
```ts parent.ts icon="/icons/typescript.svg"
|
||||
```ts#parent.ts
|
||||
const childProc = Bun.spawn(["bun", "child.ts"], {
|
||||
ipc(message, childProc) {
|
||||
/**
|
||||
* The message received from the sub process
|
||||
**/
|
||||
childProc.send("Respond to child");
|
||||
childProc.send("Respond to child")
|
||||
},
|
||||
});
|
||||
|
||||
@@ -256,17 +317,17 @@ childProc.send("I am your father"); // The parent can send messages to the child
|
||||
|
||||
Meanwhile the child process can send messages to its parent using with `process.send()` and receive messages with `process.on("message")`. This is the same API used for `child_process.fork()` in Node.js.
|
||||
|
||||
```ts child.ts
|
||||
```ts#child.ts
|
||||
process.send("Hello from child as string");
|
||||
process.send({ message: "Hello from child as object" });
|
||||
|
||||
process.on("message", message => {
|
||||
process.on("message", (message) => {
|
||||
// print message from parent
|
||||
console.log(message);
|
||||
});
|
||||
```
|
||||
|
||||
```ts child.ts
|
||||
```ts#child.ts
|
||||
// send a string
|
||||
process.send("Hello from child as string");
|
||||
|
||||
@@ -289,7 +350,7 @@ childProc.disconnect();
|
||||
|
||||
To use IPC between a `bun` process and a Node.js process, set `serialization: "json"` in `Bun.spawn`. This is because Node.js and Bun use different JavaScript engines with different object serialization formats.
|
||||
|
||||
```js bun-node-ipc.js icon="file-code"
|
||||
```js#bun-node-ipc.js
|
||||
if (typeof Bun !== "undefined") {
|
||||
const prefix = `[bun ${process.versions.bun} 🐇]`;
|
||||
const node = Bun.spawn({
|
||||
@@ -313,111 +374,6 @@ if (typeof Bun !== "undefined") {
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Terminal (PTY) support
|
||||
|
||||
For interactive terminal applications, you can spawn a subprocess with a pseudo-terminal (PTY) attached using the `terminal` option. This makes the subprocess think it's running in a real terminal, enabling features like colored output, cursor movement, and interactive prompts.
|
||||
|
||||
```ts
|
||||
const proc = Bun.spawn(["bash"], {
|
||||
terminal: {
|
||||
cols: 80,
|
||||
rows: 24,
|
||||
data(terminal, data) {
|
||||
// Called when data is received from the terminal
|
||||
process.stdout.write(data);
|
||||
},
|
||||
},
|
||||
});
|
||||
|
||||
// Write to the terminal
|
||||
proc.terminal.write("echo hello\n");
|
||||
|
||||
// Wait for the process to exit
|
||||
await proc.exited;
|
||||
|
||||
// Close the terminal
|
||||
proc.terminal.close();
|
||||
```
|
||||
|
||||
When the `terminal` option is provided:
|
||||
|
||||
- The subprocess sees `process.stdout.isTTY` as `true`
|
||||
- `stdin`, `stdout`, and `stderr` are all connected to the terminal
|
||||
- `proc.stdin`, `proc.stdout`, and `proc.stderr` return `null` — use the terminal instead
|
||||
- Access the terminal via `proc.terminal`
|
||||
|
||||
### Terminal options
|
||||
|
||||
| Option | Description | Default |
|
||||
| ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------ |
|
||||
| `cols` | Number of columns | `80` |
|
||||
| `rows` | Number of rows | `24` |
|
||||
| `name` | Terminal type for PTY configuration (set `TERM` env var separately via `env` option) | `"xterm-256color"` |
|
||||
| `data` | Callback when data is received `(terminal, data) => void` | — |
|
||||
| `exit` | Callback when PTY stream closes (EOF or error). `exitCode` is PTY lifecycle status (0=EOF, 1=error), not subprocess exit code. Use `proc.exited` for process exit. | — |
|
||||
| `drain` | Callback when ready for more data `(terminal) => void` | — |
|
||||
|
||||
### Terminal methods
|
||||
|
||||
The `Terminal` object returned by `proc.terminal` has the following methods:
|
||||
|
||||
```ts
|
||||
// Write data to the terminal
|
||||
proc.terminal.write("echo hello\n");
|
||||
|
||||
// Resize the terminal
|
||||
proc.terminal.resize(120, 40);
|
||||
|
||||
// Set raw mode (disable line buffering and echo)
|
||||
proc.terminal.setRawMode(true);
|
||||
|
||||
// Keep event loop alive while terminal is open
|
||||
proc.terminal.ref();
|
||||
proc.terminal.unref();
|
||||
|
||||
// Close the terminal
|
||||
proc.terminal.close();
|
||||
```
|
||||
|
||||
### Reusable Terminal
|
||||
|
||||
You can create a terminal independently and reuse it across multiple subprocesses:
|
||||
|
||||
```ts
|
||||
await using terminal = new Bun.Terminal({
|
||||
cols: 80,
|
||||
rows: 24,
|
||||
data(term, data) {
|
||||
process.stdout.write(data);
|
||||
},
|
||||
});
|
||||
|
||||
// Spawn first process
|
||||
const proc1 = Bun.spawn(["echo", "first"], { terminal });
|
||||
await proc1.exited;
|
||||
|
||||
// Reuse terminal for another process
|
||||
const proc2 = Bun.spawn(["echo", "second"], { terminal });
|
||||
await proc2.exited;
|
||||
|
||||
// Terminal is closed automatically by `await using`
|
||||
```
|
||||
|
||||
When passing an existing `Terminal` object:
|
||||
|
||||
- The terminal can be reused across multiple spawns
|
||||
- You control when to close the terminal
|
||||
- The `exit` callback fires when you call `terminal.close()`, not when each subprocess exits
|
||||
- Use `proc.exited` to detect individual subprocess exits
|
||||
|
||||
This is useful for running multiple commands in sequence through the same terminal session.
|
||||
|
||||
<Note>Terminal support is only available on POSIX systems (Linux, macOS). It is not available on Windows.</Note>
|
||||
|
||||
---
|
||||
|
||||
## Blocking API (`Bun.spawnSync()`)
|
||||
|
||||
Bun provides a synchronous equivalent of `Bun.spawn` called `Bun.spawnSync`. This is a blocking API that supports the same inputs and parameters as `Bun.spawn`. It returns a `SyncSubprocess` object, which differs from `Subprocess` in a few ways.
|
||||
@@ -435,35 +391,23 @@ console.log(proc.stdout.toString());
|
||||
|
||||
As a rule of thumb, the asynchronous `Bun.spawn` API is better for HTTP servers and apps, and `Bun.spawnSync` is better for building command-line tools.
|
||||
|
||||
---
|
||||
|
||||
## Benchmarks
|
||||
|
||||
<Note>
|
||||
⚡️ Under the hood, `Bun.spawn` and `Bun.spawnSync` use
|
||||
[`posix_spawn(3)`](https://man7.org/linux/man-pages/man3/posix_spawn.3.html).
|
||||
</Note>
|
||||
{%callout%}
|
||||
⚡️ Under the hood, `Bun.spawn` and `Bun.spawnSync` use [`posix_spawn(3)`](https://man7.org/linux/man-pages/man3/posix_spawn.3.html).
|
||||
{%/callout%}
|
||||
|
||||
Bun's `spawnSync` spawns processes 60% faster than the Node.js `child_process` module.
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun spawn.mjs
|
||||
```
|
||||
|
||||
```txt
|
||||
```bash
|
||||
$ bun spawn.mjs
|
||||
cpu: Apple M1 Max
|
||||
runtime: bun 1.x (arm64-darwin)
|
||||
|
||||
benchmark time (avg) (min … max) p75 p99 p995
|
||||
--------------------------------------------------------- -----------------------------
|
||||
spawnSync echo hi 888.14 µs/iter (821.83 µs … 1.2 ms) 905.92 µs 1 ms 1.03 ms
|
||||
```
|
||||
|
||||
```sh terminal icon="terminal"
|
||||
node spawn.node.mjs
|
||||
```
|
||||
|
||||
```txt
|
||||
$ node spawn.node.mjs
|
||||
cpu: Apple M1 Max
|
||||
runtime: node v18.9.1 (arm64-darwin)
|
||||
|
||||
@@ -472,19 +416,22 @@ benchmark time (avg) (min … max) p75 p99
|
||||
spawnSync echo hi 1.47 ms/iter (1.14 ms … 2.64 ms) 1.57 ms 2.37 ms 2.52 ms
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Reference
|
||||
|
||||
A reference of the Spawn API and types are shown below. The real types have complex generics to strongly type the `Subprocess` streams with the options passed to `Bun.spawn` and `Bun.spawnSync`. For full details, find these types as defined [bun.d.ts](https://github.com/oven-sh/bun/blob/main/packages/bun-types/bun.d.ts).
|
||||
|
||||
```ts See Typescript Definitions expandable
|
||||
```ts
|
||||
interface Bun {
|
||||
spawn(command: string[], options?: SpawnOptions.OptionsObject): Subprocess;
|
||||
spawnSync(command: string[], options?: SpawnOptions.OptionsObject): SyncSubprocess;
|
||||
spawnSync(
|
||||
command: string[],
|
||||
options?: SpawnOptions.OptionsObject,
|
||||
): SyncSubprocess;
|
||||
|
||||
spawn(options: { cmd: string[] } & SpawnOptions.OptionsObject): Subprocess;
|
||||
spawnSync(options: { cmd: string[] } & SpawnOptions.OptionsObject): SyncSubprocess;
|
||||
spawnSync(
|
||||
options: { cmd: string[] } & SpawnOptions.OptionsObject,
|
||||
): SyncSubprocess;
|
||||
}
|
||||
|
||||
namespace SpawnOptions {
|
||||
@@ -510,7 +457,6 @@ namespace SpawnOptions {
|
||||
timeout?: number;
|
||||
killSignal?: string | number;
|
||||
maxBuffer?: number;
|
||||
terminal?: TerminalOptions; // PTY support (POSIX only)
|
||||
}
|
||||
|
||||
type Readable =
|
||||
@@ -539,11 +485,10 @@ namespace SpawnOptions {
|
||||
}
|
||||
|
||||
interface Subprocess extends AsyncDisposable {
|
||||
readonly stdin: FileSink | number | undefined | null;
|
||||
readonly stdout: ReadableStream<Uint8Array<ArrayBuffer>> | number | undefined | null;
|
||||
readonly stderr: ReadableStream<Uint8Array<ArrayBuffer>> | number | undefined | null;
|
||||
readonly readable: ReadableStream<Uint8Array<ArrayBuffer>> | number | undefined | null;
|
||||
readonly terminal: Terminal | undefined;
|
||||
readonly stdin: FileSink | number | undefined;
|
||||
readonly stdout: ReadableStream<Uint8Array> | number | undefined;
|
||||
readonly stderr: ReadableStream<Uint8Array> | number | undefined;
|
||||
readonly readable: ReadableStream<Uint8Array> | number | undefined;
|
||||
readonly pid: number;
|
||||
readonly exited: Promise<number>;
|
||||
readonly exitCode: number | null;
|
||||
@@ -570,28 +515,6 @@ interface SyncSubprocess {
|
||||
pid: number;
|
||||
}
|
||||
|
||||
interface TerminalOptions {
|
||||
cols?: number;
|
||||
rows?: number;
|
||||
name?: string;
|
||||
data?: (terminal: Terminal, data: Uint8Array<ArrayBuffer>) => void;
|
||||
/** Called when PTY stream closes (EOF or error). exitCode is PTY lifecycle status (0=EOF, 1=error), not subprocess exit code. */
|
||||
exit?: (terminal: Terminal, exitCode: number, signal: string | null) => void;
|
||||
drain?: (terminal: Terminal) => void;
|
||||
}
|
||||
|
||||
interface Terminal extends AsyncDisposable {
|
||||
readonly stdin: number;
|
||||
readonly stdout: number;
|
||||
readonly closed: boolean;
|
||||
write(data: string | BufferSource): number;
|
||||
resize(cols: number, rows: number): void;
|
||||
setRawMode(enabled: boolean): void;
|
||||
ref(): void;
|
||||
unref(): void;
|
||||
close(): void;
|
||||
}
|
||||
|
||||
interface ResourceUsage {
|
||||
contextSwitches: {
|
||||
voluntary: number;
|
||||
@@ -1,11 +1,6 @@
|
||||
---
|
||||
title: SQL
|
||||
description: Bun provides native bindings for working with SQL databases through a unified Promise-based API that supports PostgreSQL, MySQL, and SQLite.
|
||||
---
|
||||
Bun provides native bindings for working with SQL databases through a unified Promise-based API that supports PostgreSQL, MySQL, and SQLite. The interface is designed to be simple and performant, using tagged template literals for queries and offering features like connection pooling, transactions, and prepared statements.
|
||||
|
||||
The interface is designed to be simple and performant, using tagged template literals for queries and offering features like connection pooling, transactions, and prepared statements.
|
||||
|
||||
```ts title="db.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { sql, SQL } from "bun";
|
||||
|
||||
// PostgreSQL (default)
|
||||
@@ -30,25 +25,35 @@ const sqliteResults = await sqlite`
|
||||
`;
|
||||
```
|
||||
|
||||
### Features
|
||||
{% features title="Features" %}
|
||||
|
||||
- Tagged template literals to protect against SQL injection
|
||||
- Transactions
|
||||
- Named & positional parameters
|
||||
- Connection pooling
|
||||
- `BigInt` support
|
||||
- SASL Auth support (SCRAM-SHA-256), MD5, and Clear Text
|
||||
- Connection timeouts
|
||||
- Returning rows as data objects, arrays of arrays, or Buffer
|
||||
- Binary protocol support makes it faster
|
||||
- TLS support (and auth mode)
|
||||
- Automatic configuration with environment variable
|
||||
{% icon size=20 name="Shield" /%} Tagged template literals to protect against SQL injection
|
||||
|
||||
---
|
||||
{% icon size=20 name="GitMerge" /%} Transactions
|
||||
|
||||
{% icon size=20 name="Variable" /%} Named & positional parameters
|
||||
|
||||
{% icon size=20 name="Network" /%} Connection pooling
|
||||
|
||||
{% icon size=20 name="Binary" /%} `BigInt` support
|
||||
|
||||
{% icon size=20 name="Key" /%} SASL Auth support (SCRAM-SHA-256), MD5, and Clear Text
|
||||
|
||||
{% icon size=20 name="Timer" /%} Connection timeouts
|
||||
|
||||
{% icon size=20 name="Database" /%} Returning rows as data objects, arrays of arrays, or `Buffer`
|
||||
|
||||
{% icon size=20 name="Code" /%} Binary protocol support makes it faster
|
||||
|
||||
{% icon size=20 name="Lock" /%} TLS support (and auth mode)
|
||||
|
||||
{% icon size=20 name="Settings" /%} Automatic configuration with environment variable
|
||||
|
||||
{% /features %}
|
||||
|
||||
## Database Support
|
||||
|
||||
`Bun.SQL` provides a unified API for multiple database systems:
|
||||
Bun.SQL provides a unified API for multiple database systems:
|
||||
|
||||
### PostgreSQL
|
||||
|
||||
@@ -58,7 +63,7 @@ PostgreSQL is used when:
|
||||
- The connection string explicitly uses `postgres://` or `postgresql://` protocols
|
||||
- No connection string is provided and environment variables point to PostgreSQL
|
||||
|
||||
```ts title="db.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { sql } from "bun";
|
||||
// Uses PostgreSQL if DATABASE_URL is not set or is a PostgreSQL URL
|
||||
await sql`SELECT ...`;
|
||||
@@ -72,7 +77,7 @@ await pg`SELECT ...`;
|
||||
|
||||
MySQL support is built into Bun.SQL, providing the same tagged template literal interface with full compatibility for MySQL 5.7+ and MySQL 8.0+:
|
||||
|
||||
```ts title="db.ts" icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { SQL } from "bun";
|
||||
|
||||
// MySQL connection
|
||||
@@ -106,7 +111,7 @@ const newUsers = [
|
||||
await mysql`INSERT INTO users ${mysql(newUsers)}`;
|
||||
```
|
||||
|
||||
<Accordion title="MySQL Connection String Formats">
|
||||
{% details summary="MySQL Connection String Formats" %}
|
||||
|
||||
MySQL accepts various URL formats for connection strings:
|
||||
|
||||
@@ -125,9 +130,9 @@ new SQL("mysql://user:pass@localhost/db?ssl=true");
|
||||
new SQL("mysql://user:pass@/database?socket=/var/run/mysqld/mysqld.sock");
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
<Accordion title="MySQL-Specific Features">
|
||||
{% details summary="MySQL-Specific Features" %}
|
||||
|
||||
MySQL databases support:
|
||||
|
||||
@@ -139,7 +144,7 @@ MySQL databases support:
|
||||
- **Connection attributes**: Client information sent to server for monitoring
|
||||
- **Query pipelining**: Execute multiple prepared statements without waiting for responses
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### SQLite
|
||||
|
||||
@@ -153,19 +158,19 @@ const memory = new SQL(":memory:");
|
||||
const memory2 = new SQL("sqlite://:memory:");
|
||||
|
||||
// File-based database
|
||||
const sql1 = new SQL("sqlite://myapp.db");
|
||||
const db = new SQL("sqlite://myapp.db");
|
||||
|
||||
// Using options object
|
||||
const sql2 = new SQL({
|
||||
const db2 = new SQL({
|
||||
adapter: "sqlite",
|
||||
filename: "./data/app.db",
|
||||
});
|
||||
|
||||
// For simple filenames, specify adapter explicitly
|
||||
const sql3 = new SQL("myapp.db", { adapter: "sqlite" });
|
||||
const db3 = new SQL("myapp.db", { adapter: "sqlite" });
|
||||
```
|
||||
|
||||
<Accordion title="SQLite Connection String Formats">
|
||||
{% details summary="SQLite Connection String Formats" %}
|
||||
|
||||
SQLite accepts various URL formats for connection strings:
|
||||
|
||||
@@ -194,18 +199,16 @@ new SQL("sqlite://data.db?mode=rw"); // Read-write mode (no create)
|
||||
new SQL("sqlite://data.db?mode=rwc"); // Read-write-create mode (default)
|
||||
```
|
||||
|
||||
<Note>
|
||||
Simple filenames without a protocol (like `"myapp.db"`) require explicitly specifying `{ adapter: "sqlite" }` to avoid ambiguity with PostgreSQL.
|
||||
</Note>
|
||||
**Note:** Simple filenames without a protocol (like `"myapp.db"`) require explicitly specifying `{ adapter: "sqlite" }` to avoid ambiguity with PostgreSQL.
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
<Accordion title="SQLite-Specific Options">
|
||||
{% details summary="SQLite-Specific Options" %}
|
||||
|
||||
SQLite databases support additional configuration options:
|
||||
|
||||
```ts
|
||||
const sql = new SQL({
|
||||
const db = new SQL({
|
||||
adapter: "sqlite",
|
||||
filename: "app.db",
|
||||
|
||||
@@ -226,9 +229,9 @@ Query parameters in the URL are parsed to set these options:
|
||||
- `?mode=rw` → `readonly: false, create: false`
|
||||
- `?mode=rwc` → `readonly: false, create: true` (default)
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
## Inserting data
|
||||
### Inserting data
|
||||
|
||||
You can pass JavaScript values directly to the SQL template literal and escaping will be handled for you.
|
||||
|
||||
@@ -284,8 +287,6 @@ await sql`INSERT INTO users ${sql(user, "name", "email")}`;
|
||||
// Only inserts name and email columns, ignoring other fields
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Query Results
|
||||
|
||||
By default, Bun's SQL client returns query results as arrays of objects, where each object represents a row with column names as keys. However, there are cases where you might want the data in a different format. The client provides two additional methods for this purpose.
|
||||
@@ -319,8 +320,6 @@ const rows = await sql`SELECT * FROM users`.raw();
|
||||
console.log(rows); // [[Buffer, Buffer], [Buffer, Buffer], [Buffer, Buffer]]
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## SQL Fragments
|
||||
|
||||
A common need in database applications is the ability to construct queries dynamically based on runtime conditions. Bun provides safe ways to do this without risking SQL injection.
|
||||
@@ -392,9 +391,7 @@ await sql`SELECT * FROM products WHERE ids = ANY(${sql.array([1, 2, 3])})`;
|
||||
// Generates: SELECT * FROM products WHERE ids = ANY(ARRAY[1, 2, 3])
|
||||
```
|
||||
|
||||
<Note>`sql.array` is PostgreSQL-only. Multi-dimensional arrays and NULL elements may not be supported yet.</Note>
|
||||
|
||||
---
|
||||
**Note**: `sql.array` is PostgreSQL-only. Multi-dimensional arrays and NULL elements may not be supported yet.
|
||||
|
||||
## `sql``.simple()`
|
||||
|
||||
@@ -434,22 +431,27 @@ const result = await sql.unsafe(`
|
||||
`);
|
||||
|
||||
// Using parameters (only one command is allowed)
|
||||
const result = await sql.unsafe("SELECT " + dangerous + " FROM users WHERE id = $1", [id]);
|
||||
const result = await sql.unsafe(
|
||||
"SELECT " + dangerous + " FROM users WHERE id = $1",
|
||||
[id],
|
||||
);
|
||||
```
|
||||
|
||||
#### What is SQL Injection?
|
||||
|
||||
{% image href="https://xkcd.com/327/" src="https://imgs.xkcd.com/comics/exploits_of_a_mom.png" /%}
|
||||
|
||||
### Execute and Cancelling Queries
|
||||
|
||||
Bun's SQL is lazy, which means it will only start executing when awaited or executed with `.execute()`.
|
||||
You can cancel a query that is currently executing by calling the `cancel()` method on the query object.
|
||||
|
||||
```ts
|
||||
const query = sql`SELECT * FROM users`.execute();
|
||||
const query = await sql`SELECT * FROM users`.execute();
|
||||
setTimeout(() => query.cancel(), 100);
|
||||
await query;
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Database Environment Variables
|
||||
|
||||
`sql` connection parameters can be configured using environment variables. The client checks these variables in a specific order of precedence and automatically detects the database type based on the connection string format.
|
||||
@@ -571,8 +573,6 @@ DATABASE_URL="file:///absolute/path/to/db.sqlite"
|
||||
|
||||
**Note:** PostgreSQL-specific environment variables (`POSTGRES_URL`, `PGHOST`, etc.) are ignored when using SQLite.
|
||||
|
||||
---
|
||||
|
||||
## Runtime Preconnection
|
||||
|
||||
Bun can preconnect to PostgreSQL at startup to improve performance by establishing database connections before your application code runs. This is useful for reducing connection latency on the first database query.
|
||||
@@ -590,8 +590,6 @@ bun --sql-preconnect --hot index.js
|
||||
|
||||
The `--sql-preconnect` flag will automatically establish a PostgreSQL connection using your configured environment variables at startup. If the connection fails, it won't crash your application - the error will be handled gracefully.
|
||||
|
||||
---
|
||||
|
||||
## Connection Options
|
||||
|
||||
You can configure your database connection manually by passing options to the SQL constructor. Options vary depending on the database adapter:
|
||||
@@ -601,7 +599,7 @@ You can configure your database connection manually by passing options to the SQ
|
||||
```ts
|
||||
import { SQL } from "bun";
|
||||
|
||||
const sql = new SQL({
|
||||
const db = new SQL({
|
||||
// Required for MySQL when using options object
|
||||
adapter: "mysql",
|
||||
|
||||
@@ -622,13 +620,12 @@ const sql = new SQL({
|
||||
connectionTimeout: 30, // Timeout when establishing new connections
|
||||
|
||||
// SSL/TLS options
|
||||
ssl: "prefer", // or "disable", "require", "verify-ca", "verify-full"
|
||||
// tls: {
|
||||
// rejectUnauthorized: true,
|
||||
// ca: "path/to/ca.pem",
|
||||
// key: "path/to/key.pem",
|
||||
// cert: "path/to/cert.pem",
|
||||
// },
|
||||
tls: {
|
||||
rejectUnauthorized: true,
|
||||
ca: "path/to/ca.pem",
|
||||
key: "path/to/key.pem",
|
||||
cert: "path/to/cert.pem",
|
||||
},
|
||||
|
||||
// Callbacks
|
||||
onconnect: client => {
|
||||
@@ -649,7 +646,7 @@ const sql = new SQL({
|
||||
```ts
|
||||
import { SQL } from "bun";
|
||||
|
||||
const sql = new SQL({
|
||||
const db = new SQL({
|
||||
// Connection details (adapter is auto-detected as PostgreSQL)
|
||||
url: "postgres://user:pass@localhost:5432/dbname",
|
||||
|
||||
@@ -694,7 +691,7 @@ const sql = new SQL({
|
||||
```ts
|
||||
import { SQL } from "bun";
|
||||
|
||||
const sql = new SQL({
|
||||
const db = new SQL({
|
||||
// Required for SQLite
|
||||
adapter: "sqlite",
|
||||
filename: "./data/app.db", // or ":memory:" for in-memory database
|
||||
@@ -718,16 +715,14 @@ const sql = new SQL({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="SQLite Connection Notes">
|
||||
{% details summary="SQLite Connection Notes" %}
|
||||
|
||||
- **Connection Pooling**: SQLite doesn't use connection pooling as it's a file-based database. Each `SQL` instance represents a single connection.
|
||||
- **Transactions**: SQLite supports nested transactions through savepoints, similar to PostgreSQL.
|
||||
- **Concurrent Access**: SQLite handles concurrent access through file locking. Use WAL mode for better concurrency.
|
||||
- **Memory Databases**: Using `:memory:` creates a temporary database that exists only for the connection lifetime.
|
||||
|
||||
</Accordion>
|
||||
|
||||
---
|
||||
{% /details %}
|
||||
|
||||
## Dynamic passwords
|
||||
|
||||
@@ -744,8 +739,6 @@ const sql = new SQL(url, {
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## SQLite-Specific Features
|
||||
|
||||
### Query Execution
|
||||
@@ -801,8 +794,6 @@ await sqlite`
|
||||
await sqlite`INSERT INTO flexible VALUES (${1}, ${"text"}, ${123.45}, ${Buffer.from("binary")})`;
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Transactions
|
||||
|
||||
To start a new transaction, use `sql.begin`. This method works for both PostgreSQL and SQLite. For PostgreSQL, it reserves a dedicated connection from the pool. For SQLite, it begins a transaction on the single connection.
|
||||
@@ -878,8 +869,6 @@ await sql.commitDistributed("tx1");
|
||||
await sql.rollbackDistributed("tx1");
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Authentication
|
||||
|
||||
Bun supports SCRAM-SHA-256 (SASL), MD5, and Clear Text authentication. SASL is recommended for better security. Check [Postgres SASL Authentication](https://www.postgresql.org/docs/current/sasl-authentication.html) for more information.
|
||||
@@ -914,17 +903,17 @@ The SSL mode can also be specified in connection strings:
|
||||
const sql = new SQL("postgres://user:password@localhost/mydb?sslmode=prefer");
|
||||
|
||||
// Using verify-full mode
|
||||
const sql = new SQL("postgres://user:password@localhost/mydb?sslmode=verify-full");
|
||||
const sql = new SQL(
|
||||
"postgres://user:password@localhost/mydb?sslmode=verify-full",
|
||||
);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Connection Pooling
|
||||
|
||||
Bun's SQL client automatically manages a connection pool, which is a pool of database connections that are reused for multiple queries. This helps to reduce the overhead of establishing and closing connections for each query, and it also helps to manage the number of concurrent connections to the database.
|
||||
|
||||
```ts
|
||||
const sql = new SQL({
|
||||
const db = new SQL({
|
||||
// Pool configuration
|
||||
max: 20, // Maximum 20 concurrent connections
|
||||
idleTimeout: 30, // Close idle connections after 30s
|
||||
@@ -936,7 +925,7 @@ const sql = new SQL({
|
||||
No connection will be made until a query is made.
|
||||
|
||||
```ts
|
||||
const sql = Bun.SQL(); // no connection are created
|
||||
const sql = Bun.sql(); // no connection are created
|
||||
|
||||
await sql`...`; // pool is started until max is reached (if possible), first available connection is used
|
||||
await sql`...`; // previous connection is reused
|
||||
@@ -952,8 +941,6 @@ await sql.close({ timeout: 5 }); // wait 5 seconds and close all connections fro
|
||||
await sql.close({ timeout: 0 }); // close all connections from the pool immediately
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Reserved Connections
|
||||
|
||||
Bun enables you to reserve a connection from the pool, and returns a client that wraps the single connection. This can be used for running queries on an isolated connection.
|
||||
@@ -976,8 +963,6 @@ try {
|
||||
} // Automatically released
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Prepared Statements
|
||||
|
||||
By default, Bun's SQL client automatically creates named prepared statements for queries where it can be inferred that the query is static. This provides better performance. However, you can change this behavior by setting `prepare: false` in the connection options:
|
||||
@@ -1006,8 +991,6 @@ You might want to use `prepare: false` when:
|
||||
|
||||
Note that disabling prepared statements may impact performance for queries that are executed frequently with different parameters, as the server needs to parse and plan each query from scratch.
|
||||
|
||||
---
|
||||
|
||||
## Error Handling
|
||||
|
||||
The client provides typed errors for different failure scenarios. Errors are database-specific and extend from base error classes:
|
||||
@@ -1037,7 +1020,7 @@ try {
|
||||
}
|
||||
```
|
||||
|
||||
<Accordion title="PostgreSQL-Specific Error Codes">
|
||||
{% details summary="PostgreSQL-Specific Error Codes" %}
|
||||
|
||||
### PostgreSQL Connection Errors
|
||||
|
||||
@@ -1104,13 +1087,13 @@ try {
|
||||
| `ERR_POSTGRES_UNSAFE_TRANSACTION` | Unsafe transaction operation detected |
|
||||
| `ERR_POSTGRES_INVALID_TRANSACTION_STATE` | Invalid transaction state |
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
### SQLite-Specific Errors
|
||||
|
||||
SQLite errors provide error codes and numbers that correspond to SQLite's standard error codes:
|
||||
|
||||
<Accordion title="Common SQLite Error Codes">
|
||||
{% details summary="Common SQLite Error Codes" %}
|
||||
|
||||
| Error Code | errno | Description |
|
||||
| ------------------- | ----- | ---------------------------------------------------- |
|
||||
@@ -1147,9 +1130,7 @@ try {
|
||||
}
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
|
||||
---
|
||||
{% /details %}
|
||||
|
||||
## Numbers and BigInt
|
||||
|
||||
@@ -1164,8 +1145,6 @@ console.log(typeof x, x); // "string" "9223372036854777"
|
||||
console.log(typeof y, y); // "number" 12345
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## BigInt Instead of Strings
|
||||
|
||||
If you need large numbers as BigInt instead of strings, you can enable this by setting the `bigint` option to `true` when initializing the SQL client:
|
||||
@@ -1180,8 +1159,6 @@ const [{ x }] = await sql`SELECT 9223372036854777 as x`;
|
||||
console.log(typeof x, x); // "bigint" 9223372036854777n
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Roadmap
|
||||
|
||||
There's still some things we haven't finished yet.
|
||||
@@ -1190,8 +1167,6 @@ There's still some things we haven't finished yet.
|
||||
- Column name transforms (e.g. `snake_case` to `camelCase`). This is mostly blocked on a unicode-aware implementation of changing the case in C++ using WebKit's `WTF::String`.
|
||||
- Column type transforms
|
||||
|
||||
---
|
||||
|
||||
## Database-Specific Features
|
||||
|
||||
#### Authentication Methods
|
||||
@@ -1303,8 +1278,6 @@ We also haven't implemented some of the more uncommon features like:
|
||||
- Point & PostGIS types
|
||||
- All the multi-dimensional integer array types (only a couple of the types are supported)
|
||||
|
||||
---
|
||||
|
||||
## Common Patterns & Best Practices
|
||||
|
||||
### Working with MySQL Result Sets
|
||||
@@ -1315,7 +1288,8 @@ const result = await mysql`INSERT INTO users (name) VALUES (${"Alice"})`;
|
||||
console.log(result.lastInsertRowid); // MySQL's LAST_INSERT_ID()
|
||||
|
||||
// Handling affected rows
|
||||
const updated = await mysql`UPDATE users SET active = ${false} WHERE age < ${18}`;
|
||||
const updated =
|
||||
await mysql`UPDATE users SET active = ${false} WHERE age < ${18}`;
|
||||
console.log(updated.affectedRows); // Number of rows updated
|
||||
|
||||
// Using MySQL-specific functions
|
||||
@@ -1348,47 +1322,43 @@ try {
|
||||
4. **Index properly**: MySQL relies heavily on indexes for query performance
|
||||
5. **Use `utf8mb4` charset**: It's set by default and handles all Unicode characters
|
||||
|
||||
---
|
||||
|
||||
## Frequently Asked Questions
|
||||
|
||||
<AccordionGroup>
|
||||
<Accordion title="Why is this `Bun.sql` and not `Bun.postgres`?">
|
||||
The plan was to add more database drivers in the future. Now with MySQL support added, this unified API supports PostgreSQL, MySQL, and SQLite.
|
||||
</Accordion>
|
||||
<Accordion title="How do I know which database adapter is being used?">
|
||||
The adapter is automatically detected from the connection string:
|
||||
> Why is this `Bun.sql` and not `Bun.postgres`?
|
||||
|
||||
- URLs starting with `mysql://` or `mysql2://` use MySQL
|
||||
- URLs matching SQLite patterns (`:memory:`, `sqlite://`, `file://`) use SQLite
|
||||
- Everything else defaults to PostgreSQL
|
||||
</Accordion>
|
||||
<Accordion title="Are MySQL stored procedures supported?">
|
||||
Yes, stored procedures are fully supported including OUT parameters and multiple result sets:
|
||||
The plan was to add more database drivers in the future. Now with MySQL support added, this unified API supports PostgreSQL, MySQL, and SQLite.
|
||||
|
||||
```ts
|
||||
// Call stored procedure
|
||||
const results = await mysql`CALL GetUserStats(${userId}, @total_orders)`;
|
||||
> How do I know which database adapter is being used?
|
||||
|
||||
// Get OUT parameter
|
||||
const outParam = await mysql`SELECT @total_orders as total`;
|
||||
```
|
||||
</Accordion>
|
||||
<Accordion title="Can I use MySQL-specific SQL syntax?">
|
||||
Yes, you can use any MySQL-specific syntax:
|
||||
The adapter is automatically detected from the connection string:
|
||||
|
||||
```ts
|
||||
// MySQL-specific syntax works fine
|
||||
await mysql`SET @user_id = ${userId}`;
|
||||
await mysql`SHOW TABLES`;
|
||||
await mysql`DESCRIBE users`;
|
||||
await mysql`EXPLAIN SELECT * FROM users WHERE id = ${id}`;
|
||||
```
|
||||
</Accordion>
|
||||
- URLs starting with `mysql://` or `mysql2://` use MySQL
|
||||
- URLs matching SQLite patterns (`:memory:`, `sqlite://`, `file://`) use SQLite
|
||||
- Everything else defaults to PostgreSQL
|
||||
|
||||
</AccordionGroup>
|
||||
> Are MySQL stored procedures supported?
|
||||
|
||||
---
|
||||
Yes, stored procedures are fully supported including OUT parameters and multiple result sets:
|
||||
|
||||
```ts
|
||||
// Call stored procedure
|
||||
const results = await mysql`CALL GetUserStats(${userId}, @total_orders)`;
|
||||
|
||||
// Get OUT parameter
|
||||
const outParam = await mysql`SELECT @total_orders as total`;
|
||||
```
|
||||
|
||||
> Can I use MySQL-specific SQL syntax?
|
||||
|
||||
Yes, you can use any MySQL-specific syntax:
|
||||
|
||||
```ts
|
||||
// MySQL-specific syntax works fine
|
||||
await mysql`SET @user_id = ${userId}`;
|
||||
await mysql`SHOW TABLES`;
|
||||
await mysql`DESCRIBE users`;
|
||||
await mysql`EXPLAIN SELECT * FROM users WHERE id = ${id}`;
|
||||
```
|
||||
|
||||
## Why not just use an existing library?
|
||||
|
||||
@@ -1,20 +1,11 @@
|
||||
---
|
||||
title: SQLite
|
||||
description: Bun natively implements a high-performance SQLite3 driver.
|
||||
---
|
||||
|
||||
Bun natively implements a high-performance [SQLite3](https://www.sqlite.org/) driver. To use it import from the built-in `bun:sqlite` module.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database(":memory:");
|
||||
const query = db.query("select 'Hello world' as message;");
|
||||
query.get();
|
||||
```
|
||||
|
||||
```txt
|
||||
{ message: "Hello world" }
|
||||
query.get(); // => { message: "Hello world" }
|
||||
```
|
||||
|
||||
The API is simple, synchronous, and fast. Credit to [better-sqlite3](https://github.com/JoshuaWise/better-sqlite3) and its contributors for inspiring the API of `bun:sqlite`.
|
||||
@@ -32,18 +23,13 @@ Features include:
|
||||
|
||||
The `bun:sqlite` module is roughly 3-6x faster than `better-sqlite3` and 8-9x faster than `deno.land/x/sqlite` for read queries. Each driver was benchmarked against the [Northwind Traders](https://github.com/jpwhite3/northwind-SQLite3/blob/46d5f8a64f396f87cd374d1600dbf521523980e8/Northwind_large.sqlite.zip) dataset. View and run the [benchmark source](https://github.com/oven-sh/bun/tree/main/bench/sqlite).
|
||||
|
||||
<Frame caption="Benchmarked on an M1 MacBook Pro (64GB) running macOS 12.3.1">
|
||||

|
||||
</Frame>
|
||||
|
||||
---
|
||||
{% image width="738" alt="SQLite benchmarks for Bun, better-sqlite3, and deno.land/x/sqlite" src="https://user-images.githubusercontent.com/709451/168459263-8cd51ca3-a924-41e9-908d-cf3478a3b7f3.png" caption="Benchmarked on an M1 MacBook Pro (64GB) running macOS 12.3.1" /%}
|
||||
|
||||
## Database
|
||||
|
||||
To open or create a SQLite3 database:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database("mydb.sqlite");
|
||||
@@ -51,7 +37,7 @@ const db = new Database("mydb.sqlite");
|
||||
|
||||
To open an in-memory database:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
// all of these do the same thing
|
||||
@@ -62,50 +48,64 @@ const db = new Database("");
|
||||
|
||||
To open in `readonly` mode:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
const db = new Database("mydb.sqlite", { readonly: true });
|
||||
```
|
||||
|
||||
To create the database if the file doesn't exist:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
const db = new Database("mydb.sqlite", { create: true });
|
||||
```
|
||||
|
||||
### Strict mode
|
||||
|
||||
{% callout %}
|
||||
Added in Bun v1.1.14
|
||||
{% /callout %}
|
||||
|
||||
By default, `bun:sqlite` requires binding parameters to include the `$`, `:`, or `@` prefix, and does not throw an error if a parameter is missing.
|
||||
|
||||
To instead throw an error when a parameter is missing and allow binding without a prefix, set `strict: true` on the `Database` constructor:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
<!-- prettier-ignore -->
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const strict = new Database(":memory:", { strict: true });
|
||||
const strict = new Database(
|
||||
":memory:",
|
||||
{ strict: true }
|
||||
);
|
||||
|
||||
// throws error because of the typo:
|
||||
const query = strict.query("SELECT $message;").all({ messag: "Hello world" });
|
||||
const query = strict
|
||||
.query("SELECT $message;")
|
||||
.all({ message: "Hello world" });
|
||||
|
||||
const notStrict = new Database(":memory:");
|
||||
const notStrict = new Database(
|
||||
":memory:"
|
||||
);
|
||||
// does not throw error:
|
||||
notStrict.query("SELECT $message;").all({ messag: "Hello world" });
|
||||
notStrict
|
||||
.query("SELECT $message;")
|
||||
.all({ message: "Hello world" });
|
||||
```
|
||||
|
||||
### Load via ES module import
|
||||
|
||||
You can also use an import attribute to load a database.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={1}
|
||||
import db from "./mydb.sqlite" with { type: "sqlite" };
|
||||
```ts
|
||||
import db from "./mydb.sqlite" with { "type": "sqlite" };
|
||||
|
||||
console.log(db.query("select * from users LIMIT 1").get());
|
||||
```
|
||||
|
||||
This is equivalent to the following:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
const db = new Database("./mydb.sqlite");
|
||||
```
|
||||
@@ -114,7 +114,7 @@ const db = new Database("./mydb.sqlite");
|
||||
|
||||
To close a database connection, but allow existing queries to finish, call `.close(false)`:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
const db = new Database();
|
||||
// ... do stuff
|
||||
db.close(false);
|
||||
@@ -122,40 +122,33 @@ db.close(false);
|
||||
|
||||
To close the database and throw an error if there are any pending queries, call `.close(true)`:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
const db = new Database();
|
||||
// ... do stuff
|
||||
db.close(true);
|
||||
```
|
||||
|
||||
<Note>
|
||||
`close(false)` is called automatically when the database is garbage collected. It is safe to call multiple times but
|
||||
has no effect after the first.
|
||||
</Note>
|
||||
Note: `close(false)` is called automatically when the database is garbage collected. It is safe to call multiple times but has no effect after the first.
|
||||
|
||||
### `using` statement
|
||||
|
||||
You can use the `using` statement to ensure that a database connection is closed when the `using` block is exited.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={4, 5}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
{
|
||||
using db = new Database("mydb.sqlite");
|
||||
using query = db.query("select 'Hello world' as message;");
|
||||
console.log(query.get());
|
||||
console.log(query.get()); // => { message: "Hello world" }
|
||||
}
|
||||
```
|
||||
|
||||
```txt
|
||||
{ message: "Hello world" }
|
||||
```
|
||||
|
||||
### `.serialize()`
|
||||
|
||||
`bun:sqlite` supports SQLite's built-in mechanism for [serializing](https://www.sqlite.org/c3ref/serialize.html) and [deserializing](https://www.sqlite.org/c3ref/deserialize.html) databases to and from memory.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const olddb = new Database("mydb.sqlite");
|
||||
const contents = olddb.serialize(); // => Uint8Array
|
||||
const newdb = Database.deserialize(contents);
|
||||
@@ -167,34 +160,20 @@ Internally, `.serialize()` calls [`sqlite3_serialize`](https://www.sqlite.org/c3
|
||||
|
||||
Use the `db.query()` method on your `Database` instance to [prepare](https://www.sqlite.org/c3ref/prepare.html) a SQL query. The result is a `Statement` instance that will be cached on the `Database` instance. _The query will not be executed._
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const query = db.query(`select "Hello world" as message`);
|
||||
```
|
||||
|
||||
<Note>
|
||||
**What does "cached" mean?**
|
||||
{% callout %}
|
||||
|
||||
The caching refers to the **compiled prepared statement** (the SQL bytecode), not the query results. When you call `db.query()` with the same SQL string multiple times, Bun returns the same cached `Statement` object instead of recompiling the SQL.
|
||||
|
||||
It is completely safe to reuse a cached statement with different parameter values:
|
||||
**Note** — Use the `.prepare()` method to prepare a query _without_ caching it on the `Database` instance.
|
||||
|
||||
```ts
|
||||
const query = db.query("SELECT * FROM users WHERE id = ?");
|
||||
query.get(1); // ✓ Works
|
||||
query.get(2); // ✓ Also works - parameters are bound fresh each time
|
||||
query.get(3); // ✓ Still works
|
||||
```
|
||||
|
||||
Use `.prepare()` instead of `.query()` when you want a fresh `Statement` instance that isn't cached, for example if you're dynamically generating SQL and don't want to fill the cache with one-off queries.
|
||||
|
||||
```ts
|
||||
// compile the prepared statement without caching
|
||||
// compile the prepared statement
|
||||
const query = db.prepare("SELECT * FROM foo WHERE bar = ?");
|
||||
```
|
||||
|
||||
</Note>
|
||||
|
||||
---
|
||||
{% /callout %}
|
||||
|
||||
## WAL mode
|
||||
|
||||
@@ -202,18 +181,15 @@ SQLite supports [write-ahead log mode](https://www.sqlite.org/wal.html) (WAL) wh
|
||||
|
||||
To enable WAL mode, run this pragma query at the beginning of your application:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
db.run("PRAGMA journal_mode = WAL;");
|
||||
```ts
|
||||
db.exec("PRAGMA journal_mode = WAL;");
|
||||
```
|
||||
|
||||
<Accordion title="What is WAL mode?">
|
||||
{% details summary="What is WAL mode" %}
|
||||
In WAL mode, writes to the database are written directly to a separate file called the "WAL file" (write-ahead log). This file will be later integrated into the main database file. Think of it as a buffer for pending writes. Refer to the [SQLite docs](https://www.sqlite.org/wal.html) for a more detailed overview.
|
||||
|
||||
On macOS, WAL files may be persistent by default. This is not a bug, it is how macOS configured the system version of SQLite.
|
||||
|
||||
</Accordion>
|
||||
|
||||
---
|
||||
{% /details %}
|
||||
|
||||
## Statements
|
||||
|
||||
@@ -221,13 +197,13 @@ A `Statement` is a _prepared query_, which means it's been parsed and compiled i
|
||||
|
||||
Create a statement with the `.query` method on your `Database` instance.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const query = db.query(`select "Hello world" as message`);
|
||||
```
|
||||
|
||||
Queries can contain parameters. These can be numerical (`?1`) or named (`$param` or `:param` or `@param`).
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const query = db.query(`SELECT ?1, ?2;`);
|
||||
const query = db.query(`SELECT $param1, $param2;`);
|
||||
```
|
||||
@@ -238,28 +214,32 @@ Values are bound to these parameters when the query is executed. A `Statement` c
|
||||
|
||||
To bind values to a statement, pass an object to the `.all()`, `.get()`, `.run()`, or `.values()` method.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const query = db.query(`select $message;`);
|
||||
query.all({ $message: "Hello world" });
|
||||
```
|
||||
|
||||
You can bind using positional parameters too:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const query = db.query(`select ?1;`);
|
||||
query.all("Hello world");
|
||||
```
|
||||
|
||||
#### `strict: true` lets you bind values without prefixes
|
||||
|
||||
{% callout %}
|
||||
Added in Bun v1.1.14
|
||||
{% /callout %}
|
||||
|
||||
By default, the `$`, `:`, and `@` prefixes are **included** when binding values to named parameters. To bind without these prefixes, use the `strict` option in the `Database` constructor.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database(":memory:", {
|
||||
// bind values without prefixes
|
||||
strict: true, // [!code ++]
|
||||
strict: true,
|
||||
});
|
||||
|
||||
const query = db.query(`select $message;`);
|
||||
@@ -275,13 +255,10 @@ query.all({ message: "Hello world" });
|
||||
|
||||
Use `.all()` to run a query and get back the results as an array of objects.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const query = db.query(`select $message;`);
|
||||
query.all({ $message: "Hello world" });
|
||||
```
|
||||
|
||||
```txt
|
||||
[{ message: "Hello world" }]
|
||||
// => [{ message: "Hello world" }]
|
||||
```
|
||||
|
||||
Internally, this calls [`sqlite3_reset`](https://www.sqlite.org/capi3ref.html#sqlite3_reset) and repeatedly calls [`sqlite3_step`](https://www.sqlite.org/capi3ref.html#sqlite3_step) until it returns `SQLITE_DONE`.
|
||||
@@ -290,42 +267,44 @@ Internally, this calls [`sqlite3_reset`](https://www.sqlite.org/capi3ref.html#sq
|
||||
|
||||
Use `.get()` to run a query and get back the first result as an object.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const query = db.query(`select $message;`);
|
||||
query.get({ $message: "Hello world" });
|
||||
```
|
||||
|
||||
```txt
|
||||
{ $message: "Hello world" }
|
||||
// => { $message: "Hello world" }
|
||||
```
|
||||
|
||||
Internally, this calls [`sqlite3_reset`](https://www.sqlite.org/capi3ref.html#sqlite3_reset) followed by [`sqlite3_step`](https://www.sqlite.org/capi3ref.html#sqlite3_step) until it no longer returns `SQLITE_ROW`. If the query returns no rows, `undefined` is returned.
|
||||
|
||||
### `.run()`
|
||||
|
||||
Use `.run()` to run a query and get back an object with execution metadata. This is useful for schema-modifying queries (e.g. `CREATE TABLE`) or bulk write operations.
|
||||
Use `.run()` to run a query and get back `undefined`. This is useful for schema-modifying queries (e.g. `CREATE TABLE`) or bulk write operations.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const query = db.query(`create table foo;`);
|
||||
query.run();
|
||||
```
|
||||
|
||||
```txt
|
||||
{
|
||||
lastInsertRowid: 0,
|
||||
changes: 0,
|
||||
}
|
||||
// {
|
||||
// lastInsertRowid: 0,
|
||||
// changes: 0,
|
||||
// }
|
||||
```
|
||||
|
||||
Internally, this calls [`sqlite3_reset`](https://www.sqlite.org/capi3ref.html#sqlite3_reset) and calls [`sqlite3_step`](https://www.sqlite.org/capi3ref.html#sqlite3_step) once. Stepping through all the rows is not necessary when you don't care about the results.
|
||||
|
||||
{% callout %}
|
||||
Since Bun v1.1.14, `.run()` returns an object with two properties: `lastInsertRowid` and `changes`.
|
||||
{% /callout %}
|
||||
|
||||
The `lastInsertRowid` property returns the ID of the last row inserted into the database. The `changes` property is the number of rows affected by the query.
|
||||
|
||||
### `.as(Class)` - Map query results to a class
|
||||
|
||||
{% callout %}
|
||||
Added in Bun v1.1.14
|
||||
{% /callout %}
|
||||
|
||||
Use `.as(Class)` to run a query and get back the results as instances of a class. This lets you attach methods & getters/setters to results.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={10}
|
||||
```ts
|
||||
class Movie {
|
||||
title: string;
|
||||
year: number;
|
||||
@@ -338,14 +317,8 @@ class Movie {
|
||||
const query = db.query("SELECT title, year FROM movies").as(Movie);
|
||||
const movies = query.all();
|
||||
const first = query.get();
|
||||
|
||||
console.log(movies[0].isMarvel);
|
||||
console.log(first.isMarvel);
|
||||
```
|
||||
|
||||
```txt
|
||||
true
|
||||
true
|
||||
console.log(movies[0].isMarvel); // => true
|
||||
console.log(first.isMarvel); // => true
|
||||
```
|
||||
|
||||
As a performance optimization, the class constructor is not called, default initializers are not run, and private fields are not accessible. This is more like using `Object.create` than `new`. The class's prototype is assigned to the object, methods are attached, and getters/setters are set up, but the constructor is not called.
|
||||
@@ -356,7 +329,7 @@ The database columns are set as properties on the class instance.
|
||||
|
||||
Use `.iterate()` to run a query and incrementally return results. This is useful for large result sets that you want to process one row at a time without loading all the results into memory.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const query = db.query("SELECT * FROM foo");
|
||||
for (const row of query.iterate()) {
|
||||
console.log(row);
|
||||
@@ -365,30 +338,29 @@ for (const row of query.iterate()) {
|
||||
|
||||
You can also use the `@@iterator` protocol:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const query = db.query("SELECT * FROM foo");
|
||||
for (const row of query) {
|
||||
console.log(row);
|
||||
}
|
||||
```
|
||||
|
||||
This feature was added in Bun v1.1.31.
|
||||
|
||||
### `.values()`
|
||||
|
||||
Use `values()` to run a query and get back all results as an array of arrays.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3, 4}
|
||||
```ts
|
||||
const query = db.query(`select $message;`);
|
||||
|
||||
query.values({ $message: "Hello world" });
|
||||
query.values(2);
|
||||
```
|
||||
|
||||
```txt
|
||||
[
|
||||
[ "Iron Man", 2008 ],
|
||||
[ "The Avengers", 2012 ],
|
||||
[ "Ant-Man: Quantumania", 2023 ],
|
||||
]
|
||||
query.values(2);
|
||||
// [
|
||||
// [ "Iron Man", 2008 ],
|
||||
// [ "The Avengers", 2012 ],
|
||||
// [ "Ant-Man: Quantumania", 2023 ],
|
||||
// ]
|
||||
```
|
||||
|
||||
Internally, this calls [`sqlite3_reset`](https://www.sqlite.org/capi3ref.html#sqlite3_reset) and repeatedly calls [`sqlite3_step`](https://www.sqlite.org/capi3ref.html#sqlite3_step) until it returns `SQLITE_DONE`.
|
||||
@@ -397,7 +369,7 @@ Internally, this calls [`sqlite3_reset`](https://www.sqlite.org/capi3ref.html#sq
|
||||
|
||||
Use `.finalize()` to destroy a `Statement` and free any resources associated with it. Once finalized, a `Statement` cannot be executed again. Typically, the garbage collector will do this for you, but explicit finalization may be useful in performance-sensitive applications.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
const query = db.query("SELECT title, year FROM movies");
|
||||
const movies = query.all();
|
||||
query.finalize();
|
||||
@@ -407,7 +379,7 @@ query.finalize();
|
||||
|
||||
Calling `toString()` on a `Statement` instance prints the expanded SQL query. This is useful for debugging.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={6, 9, 12}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
// setup
|
||||
@@ -428,34 +400,42 @@ Internally, this calls [`sqlite3_expanded_sql`](https://www.sqlite.org/capi3ref.
|
||||
|
||||
Queries can contain parameters. These can be numerical (`?1`) or named (`$param` or `:param` or `@param`). Bind values to these parameters when executing the query:
|
||||
|
||||
```ts title="query.ts" icon="/icons/typescript.svg"
|
||||
{% codetabs %}
|
||||
|
||||
```ts#Query
|
||||
const query = db.query("SELECT * FROM foo WHERE bar = $bar");
|
||||
const results = query.all({
|
||||
$bar: "bar",
|
||||
});
|
||||
```
|
||||
|
||||
```txt
|
||||
[{ "$bar": "bar" }]
|
||||
```json#Results
|
||||
[
|
||||
{ "$bar": "bar" }
|
||||
]
|
||||
```
|
||||
|
||||
{% /codetabs %}
|
||||
|
||||
Numbered (positional) parameters work too:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
{% codetabs %}
|
||||
|
||||
```ts#Query
|
||||
const query = db.query("SELECT ?1, ?2");
|
||||
const results = query.all("hello", "goodbye");
|
||||
```
|
||||
|
||||
```txt
|
||||
```ts#Results
|
||||
[
|
||||
{
|
||||
"?1": "hello",
|
||||
"?2": "goodbye",
|
||||
},
|
||||
];
|
||||
{
|
||||
"?1": "hello",
|
||||
"?2": "goodbye"
|
||||
}
|
||||
]
|
||||
```
|
||||
|
||||
---
|
||||
{% /codetabs %}
|
||||
|
||||
## Integers
|
||||
|
||||
@@ -467,25 +447,26 @@ By default, `bun:sqlite` returns integers as `number` types. If you need to hand
|
||||
|
||||
### `safeIntegers: true`
|
||||
|
||||
{% callout %}
|
||||
Added in Bun v1.1.14
|
||||
{% /callout %}
|
||||
|
||||
When `safeIntegers` is `true`, `bun:sqlite` will return integers as `bigint` types:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database(":memory:", { safeIntegers: true });
|
||||
const query = db.query(`SELECT ${BigInt(Number.MAX_SAFE_INTEGER) + 102n} as max_int`);
|
||||
const query = db.query(
|
||||
`SELECT ${BigInt(Number.MAX_SAFE_INTEGER) + 102n} as max_int`,
|
||||
);
|
||||
const result = query.get();
|
||||
|
||||
console.log(result.max_int);
|
||||
```
|
||||
|
||||
```txt
|
||||
9007199254741093n
|
||||
console.log(result.max_int); // => 9007199254741093n
|
||||
```
|
||||
|
||||
When `safeIntegers` is `true`, `bun:sqlite` will throw an error if a `bigint` value in a bound parameter exceeds 64 bits:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database(":memory:", { safeIntegers: true });
|
||||
@@ -496,38 +477,30 @@ const query = db.query("INSERT INTO test (value) VALUES ($value)");
|
||||
try {
|
||||
query.run({ $value: BigInt(Number.MAX_SAFE_INTEGER) ** 2n });
|
||||
} catch (e) {
|
||||
console.log(e.message);
|
||||
console.log(e.message); // => BigInt value '81129638414606663681390495662081' is out of range
|
||||
}
|
||||
```
|
||||
|
||||
```txt
|
||||
BigInt value '81129638414606663681390495662081' is out of range
|
||||
```
|
||||
|
||||
### `safeIntegers: false` (default)
|
||||
|
||||
When `safeIntegers` is `false`, `bun:sqlite` will return integers as `number` types and truncate any bits beyond 53:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database(":memory:", { safeIntegers: false });
|
||||
const query = db.query(`SELECT ${BigInt(Number.MAX_SAFE_INTEGER) + 102n} as max_int`);
|
||||
const query = db.query(
|
||||
`SELECT ${BigInt(Number.MAX_SAFE_INTEGER) + 102n} as max_int`,
|
||||
);
|
||||
const result = query.get();
|
||||
console.log(result.max_int);
|
||||
console.log(result.max_int); // => 9007199254741092
|
||||
```
|
||||
|
||||
```txt
|
||||
9007199254741092
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Transactions
|
||||
|
||||
Transactions are a mechanism for executing multiple queries in an _atomic_ way; that is, either all of the queries succeed or none of them do. Create a transaction with the `db.transaction()` method:
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={2}
|
||||
```ts
|
||||
const insertCat = db.prepare("INSERT INTO cats (name) VALUES ($name)");
|
||||
const insertCats = db.transaction(cats => {
|
||||
for (const cat of cats) insertCat.run(cat);
|
||||
@@ -538,32 +511,42 @@ At this stage, we haven't inserted any cats! The call to `db.transaction()` retu
|
||||
|
||||
To execute the transaction, call this function. All arguments will be passed through to the wrapped function; the return value of the wrapped function will be returned by the transaction function. The wrapped function also has access to the `this` context as defined where the transaction is executed.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
const insert = db.prepare("INSERT INTO cats (name) VALUES ($name)");
|
||||
const insertCats = db.transaction(cats => {
|
||||
for (const cat of cats) insert.run(cat);
|
||||
return cats.length;
|
||||
});
|
||||
|
||||
const count = insertCats([{ $name: "Keanu" }, { $name: "Salem" }, { $name: "Crookshanks" }]);
|
||||
const count = insertCats([
|
||||
{ $name: "Keanu" },
|
||||
{ $name: "Salem" },
|
||||
{ $name: "Crookshanks" },
|
||||
]);
|
||||
|
||||
console.log(`Inserted ${count} cats`);
|
||||
```
|
||||
|
||||
The driver will automatically [`begin`](https://www.sqlite.org/lang_transaction.html) a transaction when `insertCats` is called and `commit` it when the wrapped function returns. If an exception is thrown, the transaction will be rolled back. The exception will propagate as usual; it is not caught.
|
||||
|
||||
<Note>
|
||||
{% callout %}
|
||||
**Nested transactions** — Transaction functions can be called from inside other transaction functions. When doing so, the inner transaction becomes a [savepoint](https://www.sqlite.org/lang_savepoint.html).
|
||||
|
||||
<Accordion title="View nested transaction example">
|
||||
{% details summary="View nested transaction example" %}
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// setup
|
||||
import { Database } from "bun:sqlite";
|
||||
const db = Database.open(":memory:");
|
||||
db.run("CREATE TABLE expenses (id INTEGER PRIMARY KEY AUTOINCREMENT, note TEXT, dollars INTEGER);");
|
||||
db.run("CREATE TABLE cats (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT UNIQUE, age INTEGER)");
|
||||
const insertExpense = db.prepare("INSERT INTO expenses (note, dollars) VALUES (?, ?)");
|
||||
db.run(
|
||||
"CREATE TABLE expenses (id INTEGER PRIMARY KEY AUTOINCREMENT, note TEXT, dollars INTEGER);",
|
||||
);
|
||||
db.run(
|
||||
"CREATE TABLE cats (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT UNIQUE, age INTEGER)",
|
||||
);
|
||||
const insertExpense = db.prepare(
|
||||
"INSERT INTO expenses (note, dollars) VALUES (?, ?)",
|
||||
);
|
||||
const insert = db.prepare("INSERT INTO cats (name, age) VALUES ($name, $age)");
|
||||
const insertCats = db.transaction(cats => {
|
||||
for (const cat of cats) insert.run(cat);
|
||||
@@ -581,8 +564,8 @@ adopt([
|
||||
]);
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
</Note>
|
||||
{% /details %}
|
||||
{% /callout %}
|
||||
|
||||
Transactions also come with `deferred`, `immediate`, and `exclusive` versions.
|
||||
|
||||
@@ -597,24 +580,24 @@ insertCats.exclusive(cats); // uses "BEGIN EXCLUSIVE"
|
||||
|
||||
To load a [SQLite extension](https://www.sqlite.org/loadext.html), call `.loadExtension(name)` on your `Database` instance
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={4}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
const db = new Database();
|
||||
db.loadExtension("myext");
|
||||
```
|
||||
|
||||
<Note>
|
||||
{% details summary="For macOS users" %}
|
||||
**MacOS users** By default, macOS ships with Apple's proprietary build of SQLite, which doesn't support extensions. To use extensions, you'll need to install a vanilla build of SQLite.
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
brew install sqlite
|
||||
which sqlite # get path to binary
|
||||
```bash
|
||||
$ brew install sqlite
|
||||
$ which sqlite # get path to binary
|
||||
```
|
||||
|
||||
To point `bun:sqlite` to the new build, call `Database.setCustomSQLite(path)` before creating any `Database` instances. (On other operating systems, this is a no-op.) Pass a path to the SQLite `.dylib` file, _not_ the executable. With recent versions of Homebrew this is something like `/opt/homebrew/Cellar/sqlite/<version>/libsqlite3.dylib`.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={3}
|
||||
```ts
|
||||
import { Database } from "bun:sqlite";
|
||||
|
||||
Database.setCustomSQLite("/path/to/libsqlite.dylib");
|
||||
@@ -623,13 +606,13 @@ const db = new Database();
|
||||
db.loadExtension("myext");
|
||||
```
|
||||
|
||||
</Note>
|
||||
{% /details %}
|
||||
|
||||
### `.fileControl(cmd: number, value: any)`
|
||||
### .fileControl(cmd: number, value: any)
|
||||
|
||||
To use the advanced `sqlite3_file_control` API, call `.fileControl(cmd, value)` on your `Database` instance.
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg" highlight={6}
|
||||
```ts
|
||||
import { Database, constants } from "bun:sqlite";
|
||||
|
||||
const db = new Database();
|
||||
@@ -644,11 +627,9 @@ db.fileControl(constants.SQLITE_FCNTL_PERSIST_WAL, 0);
|
||||
- `TypedArray`
|
||||
- `undefined` or `null`
|
||||
|
||||
---
|
||||
|
||||
## Reference
|
||||
|
||||
```ts Type Reference icon="/icons/typescript.svg" expandable
|
||||
```ts
|
||||
class Database {
|
||||
constructor(
|
||||
filename: string,
|
||||
@@ -658,33 +639,25 @@ class Database {
|
||||
readonly?: boolean;
|
||||
create?: boolean;
|
||||
readwrite?: boolean;
|
||||
safeIntegers?: boolean;
|
||||
strict?: boolean;
|
||||
},
|
||||
);
|
||||
|
||||
query<ReturnType, ParamsType>(sql: string): Statement<ReturnType, ParamsType>;
|
||||
prepare<ReturnType, ParamsType>(sql: string): Statement<ReturnType, ParamsType>;
|
||||
run(sql: string, params?: SQLQueryBindings): { lastInsertRowid: number; changes: number };
|
||||
query<Params, ReturnType>(sql: string): Statement<Params, ReturnType>;
|
||||
run(
|
||||
sql: string,
|
||||
params?: SQLQueryBindings,
|
||||
): { lastInsertRowid: number; changes: number };
|
||||
exec = this.run;
|
||||
|
||||
transaction(insideTransaction: (...args: any) => void): CallableFunction & {
|
||||
deferred: (...args: any) => void;
|
||||
immediate: (...args: any) => void;
|
||||
exclusive: (...args: any) => void;
|
||||
};
|
||||
|
||||
close(throwOnError?: boolean): void;
|
||||
}
|
||||
|
||||
class Statement<ReturnType, ParamsType> {
|
||||
all(...params: ParamsType[]): ReturnType[];
|
||||
get(...params: ParamsType[]): ReturnType | null;
|
||||
run(...params: ParamsType[]): {
|
||||
class Statement<Params, ReturnType> {
|
||||
all(params: Params): ReturnType[];
|
||||
get(params: Params): ReturnType | undefined;
|
||||
run(params: Params): {
|
||||
lastInsertRowid: number;
|
||||
changes: number;
|
||||
};
|
||||
values(...params: ParamsType[]): unknown[][];
|
||||
values(params: Params): unknown[][];
|
||||
|
||||
finalize(): void; // destroy statement and clean up resources
|
||||
toString(): string; // serialize to SQL
|
||||
@@ -695,7 +668,7 @@ class Statement<ReturnType, ParamsType> {
|
||||
paramsCount: number; // the number of parameters expected by the statement
|
||||
native: any; // the native object representing the statement
|
||||
|
||||
as<T>(Class: new (...args: any[]) => T): Statement<T, ParamsType>;
|
||||
as(Class: new () => ReturnType): this;
|
||||
}
|
||||
|
||||
type SQLQueryBindings =
|
||||
@@ -1,19 +1,10 @@
|
||||
---
|
||||
title: Streams
|
||||
description: Use Bun's streams API to work with binary data without loading it all into memory at once
|
||||
---
|
||||
|
||||
Streams are an important abstraction for working with binary data without loading it all into memory at once. They are commonly used for reading and writing files, sending and receiving network requests, and processing large amounts of data.
|
||||
|
||||
Bun implements the Web APIs [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream) and [`WritableStream`](https://developer.mozilla.org/en-US/docs/Web/API/WritableStream).
|
||||
|
||||
<Note>
|
||||
Bun also implements the `node:stream` module, including
|
||||
[`Readable`](https://nodejs.org/api/stream.html#stream_readable_streams),
|
||||
[`Writable`](https://nodejs.org/api/stream.html#stream_writable_streams), and
|
||||
[`Duplex`](https://nodejs.org/api/stream.html#stream_duplex_and_transform_streams). For complete documentation, refer
|
||||
to the [Node.js docs](https://nodejs.org/api/stream.html).
|
||||
</Note>
|
||||
{% callout %}
|
||||
Bun also implements the `node:stream` module, including [`Readable`](https://nodejs.org/api/stream.html#stream_readable_streams), [`Writable`](https://nodejs.org/api/stream.html#stream_writable_streams), and [`Duplex`](https://nodejs.org/api/stream.html#stream_duplex_and_transform_streams). For complete documentation, refer to the [Node.js docs](https://nodejs.org/api/stream.html).
|
||||
{% /callout %}
|
||||
|
||||
To create a simple `ReadableStream`:
|
||||
|
||||
@@ -32,19 +23,28 @@ The contents of a `ReadableStream` can be read chunk-by-chunk with `for await` s
|
||||
```ts
|
||||
for await (const chunk of stream) {
|
||||
console.log(chunk);
|
||||
// => "hello"
|
||||
// => "world"
|
||||
}
|
||||
|
||||
// hello
|
||||
// world
|
||||
```
|
||||
|
||||
---
|
||||
`ReadableStream` also provides convenience methods for consuming the entire stream:
|
||||
|
||||
```ts
|
||||
const stream = new ReadableStream({
|
||||
start(controller) {
|
||||
controller.enqueue("hello world");
|
||||
controller.close();
|
||||
},
|
||||
});
|
||||
|
||||
const data = await stream.text(); // => "hello world"
|
||||
// Also available: .json(), .bytes(), .blob()
|
||||
```
|
||||
|
||||
## Direct `ReadableStream`
|
||||
|
||||
Bun implements an optimized version of `ReadableStream` that avoid unnecessary data copying & queue management logic.
|
||||
|
||||
With a traditional `ReadableStream`, chunks of data are _enqueued_. Each chunk is copied into a queue, where it sits until the stream is ready to send more data.
|
||||
Bun implements an optimized version of `ReadableStream` that avoid unnecessary data copying & queue management logic. With a traditional `ReadableStream`, chunks of data are _enqueued_. Each chunk is copied into a queue, where it sits until the stream is ready to send more data.
|
||||
|
||||
```ts
|
||||
const stream = new ReadableStream({
|
||||
@@ -60,7 +60,7 @@ With a direct `ReadableStream`, chunks of data are written directly to the strea
|
||||
|
||||
```ts
|
||||
const stream = new ReadableStream({
|
||||
type: "direct", // [!code ++]
|
||||
type: "direct",
|
||||
pull(controller) {
|
||||
controller.write("hello");
|
||||
controller.write("world");
|
||||
@@ -70,8 +70,6 @@ const stream = new ReadableStream({
|
||||
|
||||
When using a direct `ReadableStream`, all chunk queueing is handled by the destination. The consumer of the stream receives exactly what is passed to `controller.write()`, without any encoding or modification.
|
||||
|
||||
---
|
||||
|
||||
## Async generator streams
|
||||
|
||||
Bun also supports async generator functions as a source for `Response` and `Request`. This is an easy way to create a `ReadableStream` that fetches data from an asynchronous source.
|
||||
@@ -113,8 +111,6 @@ const response = new Response({
|
||||
await response.text(); // "hello"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.ArrayBufferSink`
|
||||
|
||||
The `Bun.ArrayBufferSink` class is a fast incremental writer for constructing an `ArrayBuffer` of unknown size.
|
||||
@@ -134,10 +130,10 @@ sink.end();
|
||||
|
||||
To instead retrieve the data as a `Uint8Array`, pass the `asUint8Array` option to the `start` method.
|
||||
|
||||
```ts
|
||||
```ts-diff
|
||||
const sink = new Bun.ArrayBufferSink();
|
||||
sink.start({
|
||||
asUint8Array: true, // [!code ++]
|
||||
+ asUint8Array: true
|
||||
});
|
||||
|
||||
sink.write("h");
|
||||
@@ -165,7 +161,7 @@ Once `.end()` is called, no more data can be written to the `ArrayBufferSink`. H
|
||||
```ts
|
||||
const sink = new Bun.ArrayBufferSink();
|
||||
sink.start({
|
||||
stream: true, // [!code ++]
|
||||
stream: true,
|
||||
});
|
||||
|
||||
sink.write("h");
|
||||
@@ -187,15 +183,13 @@ To manually set the size of the internal buffer in bytes, pass a value for `high
|
||||
```ts
|
||||
const sink = new Bun.ArrayBufferSink();
|
||||
sink.start({
|
||||
highWaterMark: 1024 * 1024, // 1 MB // [!code ++]
|
||||
highWaterMark: 1024 * 1024, // 1 MB
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
{% details summary="Reference" %}
|
||||
|
||||
## Reference
|
||||
|
||||
```ts See Typescript Definitions expandable
|
||||
```ts
|
||||
/**
|
||||
* Fast incremental writer that becomes an `ArrayBuffer` on end().
|
||||
*/
|
||||
@@ -216,7 +210,9 @@ export class ArrayBufferSink {
|
||||
stream?: boolean;
|
||||
}): void;
|
||||
|
||||
write(chunk: string | ArrayBufferView | ArrayBuffer | SharedArrayBuffer): number;
|
||||
write(
|
||||
chunk: string | ArrayBufferView | ArrayBuffer | SharedArrayBuffer,
|
||||
): number;
|
||||
/**
|
||||
* Flush the internal buffer
|
||||
*
|
||||
@@ -230,3 +226,5 @@ export class ArrayBufferSink {
|
||||
end(): ArrayBuffer | Uint8Array<ArrayBuffer>;
|
||||
}
|
||||
```
|
||||
|
||||
{% /details %}
|
||||
@@ -1,15 +1,10 @@
|
||||
---
|
||||
title: TCP
|
||||
description: Use Bun's native TCP API to implement performance sensitive systems like database clients, game servers, or anything that needs to communicate over TCP (instead of HTTP)
|
||||
---
|
||||
|
||||
This is a low-level API intended for library authors and for advanced use cases.
|
||||
Use Bun's native TCP API to implement performance sensitive systems like database clients, game servers, or anything that needs to communicate over TCP (instead of HTTP). This is a low-level API intended for library authors and for advanced use cases.
|
||||
|
||||
## Start a server (`Bun.listen()`)
|
||||
|
||||
To start a TCP server with `Bun.listen`:
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.listen({
|
||||
hostname: "localhost",
|
||||
port: 8080,
|
||||
@@ -23,11 +18,11 @@ Bun.listen({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="An API designed for speed">
|
||||
{% details summary="An API designed for speed" %}
|
||||
|
||||
In Bun, a set of handlers are declared once per server instead of assigning callbacks to each socket, as with Node.js `EventEmitters` or the web-standard `WebSocket` API.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.listen({
|
||||
hostname: "localhost",
|
||||
port: 8080,
|
||||
@@ -43,11 +38,11 @@ Bun.listen({
|
||||
|
||||
For performance-sensitive servers, assigning listeners to each socket can cause significant garbage collector pressure and increase memory usage. By contrast, Bun only allocates one handler function for each event and shares it among all sockets. This is a small optimization, but it adds up.
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
Contextual data can be attached to a socket in the `open` handler.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
type SocketData = { sessionId: string };
|
||||
|
||||
Bun.listen<SocketData>({
|
||||
@@ -55,10 +50,10 @@ Bun.listen<SocketData>({
|
||||
port: 8080,
|
||||
socket: {
|
||||
data(socket, data) {
|
||||
socket.write(`${socket.data.sessionId}: ack`); // [!code ++]
|
||||
socket.write(`${socket.data.sessionId}: ack`);
|
||||
},
|
||||
open(socket) {
|
||||
socket.data = { sessionId: "abcd" }; // [!code ++]
|
||||
socket.data = { sessionId: "abcd" };
|
||||
},
|
||||
},
|
||||
});
|
||||
@@ -66,7 +61,7 @@ Bun.listen<SocketData>({
|
||||
|
||||
To enable TLS, pass a `tls` object containing `key` and `cert` fields.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.listen({
|
||||
hostname: "localhost",
|
||||
port: 8080,
|
||||
@@ -75,29 +70,33 @@ Bun.listen({
|
||||
},
|
||||
tls: {
|
||||
// can be string, BunFile, TypedArray, Buffer, or array thereof
|
||||
key: Bun.file("./key.pem"), // [!code ++]
|
||||
cert: Bun.file("./cert.pem"), // [!code ++]
|
||||
key: Bun.file("./key.pem"),
|
||||
cert: Bun.file("./cert.pem"),
|
||||
},
|
||||
});
|
||||
```
|
||||
|
||||
The `key` and `cert` fields expect the _contents_ of your TLS key and certificate. This can be a string, `BunFile`, `TypedArray`, or `Buffer`.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.listen({
|
||||
// ...
|
||||
tls: {
|
||||
key: Bun.file("./key.pem"), // BunFile
|
||||
key: fs.readFileSync("./key.pem"), // Buffer
|
||||
key: fs.readFileSync("./key.pem", "utf8"), // string
|
||||
key: [Bun.file("./key1.pem"), Bun.file("./key2.pem")], // array of above
|
||||
// BunFile
|
||||
key: Bun.file("./key.pem"),
|
||||
// Buffer
|
||||
key: fs.readFileSync("./key.pem"),
|
||||
// string
|
||||
key: fs.readFileSync("./key.pem", "utf8"),
|
||||
// array of above
|
||||
key: [Bun.file("./key1.pem"), Bun.file("./key2.pem")],
|
||||
},
|
||||
});
|
||||
```
|
||||
|
||||
The result of `Bun.listen` is a server that conforms to the `TCPSocket` interface.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const server = Bun.listen({
|
||||
/* config*/
|
||||
});
|
||||
@@ -110,13 +109,11 @@ server.stop(true);
|
||||
server.unref();
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Create a connection (`Bun.connect()`)
|
||||
|
||||
Use `Bun.connect` to connect to a TCP server. Specify the server to connect to with `hostname` and `port`. TCP clients can define the same set of handlers as `Bun.listen`, plus a couple client-specific handlers.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
// The client
|
||||
const socket = await Bun.connect({
|
||||
hostname: "localhost",
|
||||
@@ -143,48 +140,39 @@ To require TLS, specify `tls: true`.
|
||||
// The client
|
||||
const socket = await Bun.connect({
|
||||
// ... config
|
||||
tls: true, // [!code ++]
|
||||
tls: true,
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Hot reloading
|
||||
|
||||
Both TCP servers and sockets can be hot reloaded with new handlers.
|
||||
|
||||
<CodeGroup>
|
||||
{% codetabs %}
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
const server = Bun.listen({
|
||||
/* config */
|
||||
});
|
||||
```ts#Server
|
||||
const server = Bun.listen({ /* config */ })
|
||||
|
||||
// reloads handlers for all active server-side sockets
|
||||
server.reload({
|
||||
socket: {
|
||||
data() {
|
||||
data(){
|
||||
// new 'data' handler
|
||||
},
|
||||
},
|
||||
});
|
||||
}
|
||||
}
|
||||
})
|
||||
```
|
||||
|
||||
```ts client.ts icon="/icons/typescript.svg"
|
||||
const socket = await Bun.connect({
|
||||
/* config */
|
||||
});
|
||||
|
||||
```ts#Client
|
||||
const socket = await Bun.connect({ /* config */ })
|
||||
socket.reload({
|
||||
data() {
|
||||
data(){
|
||||
// new 'data' handler
|
||||
},
|
||||
});
|
||||
}
|
||||
})
|
||||
```
|
||||
|
||||
</CodeGroup>
|
||||
|
||||
---
|
||||
{% /codetabs %}
|
||||
|
||||
## Buffering
|
||||
|
||||
@@ -206,14 +194,11 @@ socket.write("hello");
|
||||
|
||||
To simplify this for now, consider using Bun's `ArrayBufferSink` with the `{stream: true}` option:
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { ArrayBufferSink } from "bun";
|
||||
|
||||
const sink = new ArrayBufferSink();
|
||||
sink.start({
|
||||
stream: true, // [!code ++]
|
||||
highWaterMark: 1024,
|
||||
});
|
||||
sink.start({ stream: true, highWaterMark: 1024 });
|
||||
|
||||
sink.write("h");
|
||||
sink.write("e");
|
||||
@@ -231,9 +216,6 @@ queueMicrotask(() => {
|
||||
});
|
||||
```
|
||||
|
||||
<Note>
|
||||
**Corking**
|
||||
|
||||
Support for corking is planned, but in the meantime backpressure must be managed manually with the `drain` handler.
|
||||
|
||||
</Note>
|
||||
{% callout %}
|
||||
**Corking** — Support for corking is planned, but in the meantime backpressure must be managed manually with the `drain` handler.
|
||||
{% /callout %}
|
||||
@@ -1,8 +1,3 @@
|
||||
---
|
||||
title: Transpiler
|
||||
description: Use Bun's transpiler to transpile JavaScript and TypeScript code
|
||||
---
|
||||
|
||||
Bun exposes its internal transpiler via the `Bun.Transpiler` class. To create an instance of Bun's transpiler:
|
||||
|
||||
```ts
|
||||
@@ -11,14 +6,15 @@ const transpiler = new Bun.Transpiler({
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `.transformSync()`
|
||||
|
||||
Transpile code synchronously with the `.transformSync()` method. Modules are not resolved and the code is not executed. The result is a string of vanilla JavaScript code.
|
||||
|
||||
<CodeGroup>
|
||||
```ts transpile.ts icon="/icons/typescript.svg"
|
||||
<!-- It is synchronous and runs in the same thread as other JavaScript code. -->
|
||||
|
||||
{% codetabs %}
|
||||
|
||||
```js#Example
|
||||
const transpiler = new Bun.Transpiler({
|
||||
loader: 'tsx',
|
||||
});
|
||||
@@ -30,10 +26,9 @@ export function Home(props: {title: string}){
|
||||
}`;
|
||||
|
||||
const result = transpiler.transformSync(code);
|
||||
```
|
||||
|
||||
````
|
||||
|
||||
```ts output
|
||||
```js#Result
|
||||
import { __require as require } from "bun:wrap";
|
||||
import * as JSX from "react/jsx-dev-runtime";
|
||||
var jsx = require(JSX).jsxDEV;
|
||||
@@ -48,9 +43,9 @@ export default jsx(
|
||||
undefined,
|
||||
this,
|
||||
);
|
||||
````
|
||||
```
|
||||
|
||||
</CodeGroup>
|
||||
{% /codetabs %}
|
||||
|
||||
To override the default loader specified in the `new Bun.Transpiler()` constructor, pass a second argument to `.transformSync()`.
|
||||
|
||||
@@ -58,15 +53,11 @@ To override the default loader specified in the `new Bun.Transpiler()` construct
|
||||
transpiler.transformSync("<div>hi!</div>", "tsx");
|
||||
```
|
||||
|
||||
<Accordion title="Nitty gritty">
|
||||
|
||||
{% details summary="Nitty gritty" %}
|
||||
When `.transformSync` is called, the transpiler is run in the same thread as the currently executed code.
|
||||
|
||||
If a macro is used, it will be run in the same thread as the transpiler, but in a separate event loop from the rest of your application. Currently, globals between macros and regular code are shared, which means it is possible (but not recommended) to share states between macros and regular code. Attempting to use AST nodes outside of a macro is undefined behavior.
|
||||
|
||||
</Accordion>
|
||||
|
||||
---
|
||||
{% /details %}
|
||||
|
||||
## `.transform()`
|
||||
|
||||
@@ -84,23 +75,21 @@ Unless you're transpiling _many_ large files, you should probably use `Bun.Trans
|
||||
await transpiler.transform("<div>hi!</div>", "tsx");
|
||||
```
|
||||
|
||||
<Accordion title="Nitty gritty">
|
||||
|
||||
{% details summary="Nitty gritty" %}
|
||||
The `.transform()` method runs the transpiler in Bun's worker threadpool, so if you run it 100 times, it will run it across `Math.floor($cpu_count * 0.8)` threads, without blocking the main JavaScript thread.
|
||||
|
||||
If your code uses a macro, it will potentially spawn a new copy of Bun's JavaScript runtime environment in that new thread.
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
## `.scan()`
|
||||
|
||||
The `Transpiler` instance can also scan some source code and return a list of its imports and exports, plus additional metadata about each one. [Type-only](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-8.html#type-only-imports-and-export) imports and exports are ignored.
|
||||
|
||||
<CodeGroup>
|
||||
{% codetabs %}
|
||||
|
||||
```ts example.ts icon="/icons/typescript.svg"
|
||||
```ts#Example
|
||||
const transpiler = new Bun.Transpiler({
|
||||
loader: "tsx",
|
||||
loader: 'tsx',
|
||||
});
|
||||
|
||||
const code = `
|
||||
@@ -115,9 +104,11 @@ export const name = "hello";
|
||||
const result = transpiler.scan(code);
|
||||
```
|
||||
|
||||
```json output
|
||||
```json#Output
|
||||
{
|
||||
"exports": ["name"],
|
||||
"exports": [
|
||||
"name"
|
||||
],
|
||||
"imports": [
|
||||
{
|
||||
"kind": "import-statement",
|
||||
@@ -135,7 +126,7 @@ const result = transpiler.scan(code);
|
||||
}
|
||||
```
|
||||
|
||||
</CodeGroup>
|
||||
{% /codetabs %}
|
||||
|
||||
Each import in the `imports` array has a `path` and `kind`. Bun categories imports into the following kinds:
|
||||
|
||||
@@ -145,18 +136,19 @@ Each import in the `imports` array has a `path` and `kind`. Bun categories impor
|
||||
- `dynamic-import`: `import('./loader')`
|
||||
- `import-rule`: `@import 'foo.css'`
|
||||
- `url-token`: `url('./foo.png')`
|
||||
|
||||
---
|
||||
<!-- - `internal`: `import {foo} from 'bun:internal'`
|
||||
- `entry-point-build`: `import {foo} from 'bun:entry'`
|
||||
- `entry-point-run`: `bun ./mymodule` -->
|
||||
|
||||
## `.scanImports()`
|
||||
|
||||
For performance-sensitive code, you can use the `.scanImports()` method to get a list of imports. It's faster than `.scan()` (especially for large files) but marginally less accurate due to some performance optimizations.
|
||||
|
||||
<CodeGroup>
|
||||
{% codetabs %}
|
||||
|
||||
```ts example.ts icon="/icons/typescript.svg"
|
||||
```ts#Example
|
||||
const transpiler = new Bun.Transpiler({
|
||||
loader: "tsx",
|
||||
loader: 'tsx',
|
||||
});
|
||||
|
||||
const code = `
|
||||
@@ -171,30 +163,26 @@ export const name = "hello";
|
||||
const result = transpiler.scanImports(code);
|
||||
```
|
||||
|
||||
```json results icon="file-json"
|
||||
```json#Results
|
||||
[
|
||||
{
|
||||
"kind": "import-statement",
|
||||
"path": "react"
|
||||
},
|
||||
{
|
||||
"kind": "require-call",
|
||||
"path": "./cjs.js"
|
||||
},
|
||||
{
|
||||
"kind": "dynamic-import",
|
||||
"path": "./loader"
|
||||
kind: "import-statement",
|
||||
path: "react"
|
||||
}, {
|
||||
kind: "require-call",
|
||||
path: "./cjs.js"
|
||||
}, {
|
||||
kind: "dynamic-import",
|
||||
path: "./loader"
|
||||
}
|
||||
]
|
||||
```
|
||||
|
||||
</CodeGroup>
|
||||
|
||||
---
|
||||
{% /codetabs %}
|
||||
|
||||
## Reference
|
||||
|
||||
```ts See Typescript Definitions expandable
|
||||
```ts
|
||||
type Loader = "jsx" | "js" | "ts" | "tsx";
|
||||
|
||||
interface TranspilerOptions {
|
||||
@@ -278,7 +266,7 @@ type Import = {
|
||||
// url() in CSS
|
||||
| "url-token"
|
||||
// The import was injected by Bun
|
||||
| "internal"
|
||||
| "internal"
|
||||
// Entry point (not common)
|
||||
| "entry-point-build"
|
||||
| "entry-point-run"
|
||||
@@ -1,7 +1,4 @@
|
||||
---
|
||||
title: UDP
|
||||
description: Use Bun's UDP API to implement services with advanced real-time requirements, such as voice chat.
|
||||
---
|
||||
Use Bun's UDP API to implement services with advanced real-time requirements, such as voice chat.
|
||||
|
||||
## Bind a UDP socket (`Bun.udpSocket()`)
|
||||
|
||||
@@ -16,9 +13,8 @@ Specify a port:
|
||||
|
||||
```ts
|
||||
const socket = await Bun.udpSocket({
|
||||
port: 41234, // [!code ++]
|
||||
port: 41234,
|
||||
});
|
||||
|
||||
console.log(socket.port); // 41234
|
||||
```
|
||||
|
||||
@@ -37,7 +33,7 @@ DNS resolution, as it is intended for low-latency operations.
|
||||
|
||||
When creating your socket, add a callback to specify what should be done when packets are received:
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const server = await Bun.udpSocket({
|
||||
socket: {
|
||||
data(socket, buf, port, addr) {
|
||||
@@ -57,7 +53,7 @@ While UDP does not have a concept of a connection, many UDP communications (espe
|
||||
In such cases it can be beneficial to connect the socket to that peer, which specifies to which address all packets are sent
|
||||
and restricts incoming packets to that peer only.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const server = await Bun.udpSocket({
|
||||
socket: {
|
||||
data(socket, buf, port, addr) {
|
||||
@@ -66,7 +62,6 @@ const server = await Bun.udpSocket({
|
||||
},
|
||||
},
|
||||
});
|
||||
|
||||
const client = await Bun.udpSocket({
|
||||
connect: {
|
||||
port: server.port,
|
||||
@@ -87,23 +82,21 @@ of making a system call for each. This is made possible by the `sendMany()` API:
|
||||
For an unconnected socket, `sendMany` takes an array as its only argument. Each set of three array elements describes a packet:
|
||||
The first item is the data to be sent, the second is the target port, and the last is the target address.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const socket = await Bun.udpSocket({});
|
||||
|
||||
// sends 'Hello' to 127.0.0.1:41234, and 'foo' to 1.1.1.1:53 in a single operation
|
||||
socket.sendMany(["Hello", 41234, "127.0.0.1", "foo", 53, "1.1.1.1"]);
|
||||
```
|
||||
|
||||
With a connected socket, `sendMany` simply takes an array, where each element represents the data to be sent to the peer.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const socket = await Bun.udpSocket({
|
||||
connect: {
|
||||
port: 41234,
|
||||
hostname: "localhost",
|
||||
},
|
||||
});
|
||||
|
||||
socket.sendMany(["foo", "bar", "baz"]);
|
||||
```
|
||||
|
||||
@@ -116,7 +109,8 @@ It may happen that a packet that you're sending does not fit into the operating
|
||||
has happened when:
|
||||
|
||||
- `send` returns `false`
|
||||
- `sendMany` returns a number smaller than the number of packets you specified. In this case, the `drain` socket handler will be called once the socket becomes writable again:
|
||||
- `sendMany` returns a number smaller than the number of packets you specified
|
||||
In this case, the `drain` socket handler will be called once the socket becomes writable again:
|
||||
|
||||
```ts
|
||||
const socket = await Bun.udpSocket({
|
||||
@@ -1,22 +1,17 @@
|
||||
---
|
||||
title: Utils
|
||||
description: Use Bun's utility functions to work with the runtime
|
||||
---
|
||||
|
||||
## `Bun.version`
|
||||
|
||||
A `string` containing the version of the `bun` CLI that is currently running.
|
||||
|
||||
```ts terminal icon="terminal"
|
||||
```ts
|
||||
Bun.version;
|
||||
// => "1.3.3"
|
||||
// => "0.6.4"
|
||||
```
|
||||
|
||||
## `Bun.revision`
|
||||
|
||||
The git commit of [Bun](https://github.com/oven-sh/bun) that was compiled to create the current `bun` CLI.
|
||||
|
||||
```ts terminal icon="terminal"
|
||||
```ts
|
||||
Bun.revision;
|
||||
// => "f02561530fda1ee9396f51c8bc99b38716e38296"
|
||||
```
|
||||
@@ -29,7 +24,7 @@ An alias for `process.env`.
|
||||
|
||||
An absolute path to the entrypoint of the current program (the file that was executed with `bun run`).
|
||||
|
||||
```ts script.ts
|
||||
```ts#script.ts
|
||||
Bun.main;
|
||||
// /path/to/script.ts
|
||||
```
|
||||
@@ -132,11 +127,17 @@ The final 8 bytes of the UUID are a cryptographically secure random value. It us
|
||||
|
||||
```ts
|
||||
namespace Bun {
|
||||
function randomUUIDv7(encoding?: "hex" | "base64" | "base64url" = "hex", timestamp?: number = Date.now()): string;
|
||||
function randomUUIDv7(
|
||||
encoding?: "hex" | "base64" | "base64url" = "hex",
|
||||
timestamp?: number = Date.now(),
|
||||
): string;
|
||||
/**
|
||||
* If you pass "buffer", you get a 16-byte buffer instead of a string.
|
||||
*/
|
||||
function randomUUIDv7(encoding: "buffer", timestamp?: number = Date.now()): Buffer;
|
||||
function randomUUIDv7(
|
||||
encoding: "buffer",
|
||||
timestamp?: number = Date.now(),
|
||||
): Buffer;
|
||||
|
||||
// If you only pass a timestamp, you get a hex string
|
||||
function randomUUIDv7(timestamp?: number = Date.now()): string;
|
||||
@@ -145,13 +146,13 @@ namespace Bun {
|
||||
|
||||
You can optionally set encoding to `"buffer"` to get a 16-byte buffer instead of a string. This can sometimes avoid string conversion overhead.
|
||||
|
||||
```ts buffer.ts
|
||||
```ts#buffer.ts
|
||||
const buffer = Bun.randomUUIDv7("buffer");
|
||||
```
|
||||
|
||||
`base64` and `base64url` encodings are also supported when you want a slightly shorter string.
|
||||
|
||||
```ts base64.ts
|
||||
```ts#base64.ts
|
||||
const base64 = Bun.randomUUIDv7("base64");
|
||||
const base64url = Bun.randomUUIDv7("base64url");
|
||||
```
|
||||
@@ -199,7 +200,9 @@ test("peek", () => {
|
||||
// If we peek a rejected promise, it:
|
||||
// - returns the error
|
||||
// - does not mark the promise as handled
|
||||
const rejected = Promise.reject(new Error("Successfully tested promise rejection"));
|
||||
const rejected = Promise.reject(
|
||||
new Error("Successfully tested promise rejection"),
|
||||
);
|
||||
expect(peek(rejected).message).toBe("Successfully tested promise rejection");
|
||||
});
|
||||
```
|
||||
@@ -231,11 +234,11 @@ const currentFile = import.meta.url;
|
||||
Bun.openInEditor(currentFile);
|
||||
```
|
||||
|
||||
You can override this via the `debug.editor` setting in your [`bunfig.toml`](/runtime/bunfig).
|
||||
You can override this via the `debug.editor` setting in your [`bunfig.toml`](https://bun.com/docs/runtime/bunfig).
|
||||
|
||||
```toml bunfig.toml icon="settings"
|
||||
[debug] # [!code ++]
|
||||
editor = "code" # [!code ++]
|
||||
```toml-diff#bunfig.toml
|
||||
+ [debug]
|
||||
+ editor = "code"
|
||||
```
|
||||
|
||||
Or specify an editor with the `editor` param. You can also specify a line and column number.
|
||||
@@ -307,9 +310,7 @@ This function is optimized for large input. On an M1X, it processes 480 MB/s -
|
||||
20 GB/s, depending on how much data is being escaped and whether there is non-ascii
|
||||
text. Non-string types will be converted to a string before escaping.
|
||||
|
||||
## `Bun.stringWidth()`
|
||||
|
||||
<Note>~6,756x faster `string-width` alternative</Note>
|
||||
## `Bun.stringWidth()` ~6,756x faster `string-width` alternative
|
||||
|
||||
Get the column count of a string as it would be displayed in a terminal.
|
||||
Supports ANSI escape codes, emoji, and wide characters.
|
||||
@@ -351,7 +352,7 @@ npm/string-width 500 chars ascii 249,710 ns/iter (239,970 ns …
|
||||
|
||||
To make `Bun.stringWidth` fast, we've implemented it in Zig using optimized SIMD instructions, accounting for Latin1, UTF-16, and UTF-8 encodings. It passes `string-width`'s tests.
|
||||
|
||||
<Accordion title="View full benchmark">
|
||||
{% details summary="View full benchmark" %}
|
||||
|
||||
As a reminder, 1 nanosecond (ns) is 1 billionth of a second. Here's a quick reference for converting between units:
|
||||
|
||||
@@ -361,7 +362,7 @@ As a reminder, 1 nanosecond (ns) is 1 billionth of a second. Here's a quick refe
|
||||
| µs | 1,000 |
|
||||
| ms | 1 |
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
```js
|
||||
❯ bun string-width.mjs
|
||||
cpu: 13th Gen Intel(R) Core(TM) i9-13900
|
||||
runtime: bun 1.0.29 (x64-linux)
|
||||
@@ -390,7 +391,7 @@ Bun.stringWidth 19,000 chars ansi+emoji+ascii 114.06 µs/iter (112.86 µs … 1
|
||||
Bun.stringWidth 95,000 chars ansi+emoji+ascii 572.69 µs/iter (565.52 µs … 607.22 µs) 572.45 µs 604.86 µs 605.21 µs
|
||||
```
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
```ts
|
||||
❯ node string-width.mjs
|
||||
cpu: 13th Gen Intel(R) Core(TM) i9-13900
|
||||
runtime: node v21.4.0 (x64-linux)
|
||||
@@ -419,11 +420,11 @@ npm/string-width 19,000 chars ansi+emoji+ascii 27.19 ms/iter (26.89 ms … 2
|
||||
npm/string-width 95,000 chars ansi+emoji+ascii 3.68 s/iter (3.66 s … 3.7 s) 3.69 s 3.7 s 3.7 s
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
TypeScript definition:
|
||||
|
||||
```ts expandable
|
||||
```ts
|
||||
namespace Bun {
|
||||
export function stringWidth(
|
||||
/**
|
||||
@@ -448,7 +449,7 @@ namespace Bun {
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
<!-- ## `Bun.enableANSIColors()` -->
|
||||
|
||||
## `Bun.fileURLToPath()`
|
||||
|
||||
@@ -459,8 +460,6 @@ const path = Bun.fileURLToPath(new URL("file:///foo/bar.txt"));
|
||||
console.log(path); // "/foo/bar.txt"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.pathToFileURL()`
|
||||
|
||||
Converts an absolute path to a `file://` URL.
|
||||
@@ -470,7 +469,7 @@ const url = Bun.pathToFileURL("/foo/bar.txt");
|
||||
console.log(url); // "file:///foo/bar.txt"
|
||||
```
|
||||
|
||||
---
|
||||
<!-- Bun.hash; -->
|
||||
|
||||
## `Bun.gzipSync()`
|
||||
|
||||
@@ -486,9 +485,9 @@ compressed; // => Uint8Array(30)
|
||||
|
||||
Optionally, pass a parameters object as the second argument:
|
||||
|
||||
<Accordion title="zlib compression options">
|
||||
{% details summary="zlib compression options"%}
|
||||
|
||||
```ts expandable
|
||||
```ts
|
||||
export type ZlibCompressionOptions = {
|
||||
/**
|
||||
* The compression level to use. Must be between `-1` and `9`.
|
||||
@@ -559,9 +558,7 @@ export type ZlibCompressionOptions = {
|
||||
};
|
||||
```
|
||||
|
||||
</Accordion>
|
||||
|
||||
---
|
||||
{% /details %}
|
||||
|
||||
## `Bun.gunzipSync()`
|
||||
|
||||
@@ -577,8 +574,6 @@ dec.decode(uncompressed);
|
||||
// => "hellohellohello..."
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.deflateSync()`
|
||||
|
||||
Compresses a `Uint8Array` using zlib's DEFLATE algorithm.
|
||||
@@ -593,8 +588,6 @@ compressed; // => Uint8Array(12)
|
||||
|
||||
The second argument supports the same set of configuration options as [`Bun.gzipSync`](#bun-gzipsync).
|
||||
|
||||
---
|
||||
|
||||
## `Bun.inflateSync()`
|
||||
|
||||
Decompresses a `Uint8Array` using zlib's INFLATE algorithm.
|
||||
@@ -609,8 +602,6 @@ dec.decode(decompressed);
|
||||
// => "hellohellohello..."
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.zstdCompress()` / `Bun.zstdCompressSync()`
|
||||
|
||||
Compresses a `Uint8Array` using the Zstandard algorithm.
|
||||
@@ -645,8 +636,6 @@ dec.decode(decompressedSync);
|
||||
// => "hellohellohello..."
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.inspect()`
|
||||
|
||||
Serializes an object to a `string` exactly as it would be printed by `console.log`.
|
||||
@@ -661,7 +650,7 @@ const str = Bun.inspect(arr);
|
||||
// => "Uint8Array(3) [ 1, 2, 3 ]"
|
||||
```
|
||||
|
||||
### `Bun.inspect.custom`
|
||||
## `Bun.inspect.custom`
|
||||
|
||||
This is the symbol that Bun uses to implement `Bun.inspect`. You can override this to customize how your objects are printed. It is identical to `util.inspect.custom` in Node.js.
|
||||
|
||||
@@ -676,7 +665,7 @@ const foo = new Foo();
|
||||
console.log(foo); // => "foo"
|
||||
```
|
||||
|
||||
### `Bun.inspect.table(tabularData, properties, options)`
|
||||
## `Bun.inspect.table(tabularData, properties, options)`
|
||||
|
||||
Format tabular data into a string. Like [`console.table`](https://developer.mozilla.org/en-US/docs/Web/API/console/table_static), except it returns a string rather than printing to the console.
|
||||
|
||||
@@ -735,8 +724,6 @@ console.log(
|
||||
);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.nanoseconds()`
|
||||
|
||||
Returns the number of nanoseconds since the current `bun` process started, as a `number`. Useful for high-precision timing and benchmarking.
|
||||
@@ -746,8 +733,6 @@ Bun.nanoseconds();
|
||||
// => 7288958
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.readableStreamTo*()`
|
||||
|
||||
Bun implements a set of convenience functions for asynchronously consuming the body of a `ReadableStream` and converting it to various binary formats.
|
||||
@@ -782,8 +767,6 @@ await Bun.readableStreamToFormData(stream);
|
||||
await Bun.readableStreamToFormData(stream, multipartFormBoundary);
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `Bun.resolveSync()`
|
||||
|
||||
Resolves a file path or module specifier using Bun's internal module resolution algorithm. The first argument is the path to resolve, and the second argument is the "root". If no match is found, an `Error` is thrown.
|
||||
@@ -809,11 +792,21 @@ To resolve relative to the directory containing the current file, pass `import.m
|
||||
Bun.resolveSync("./foo.ts", import.meta.dir);
|
||||
```
|
||||
|
||||
---
|
||||
## `serialize` & `deserialize` in `bun:jsc`
|
||||
|
||||
## `Bun.stripANSI()`
|
||||
To save a JavaScript value into an ArrayBuffer & back, use `serialize` and `deserialize` from the `"bun:jsc"` module.
|
||||
|
||||
<Note>~6-57x faster `strip-ansi` alternative</Note>
|
||||
```js
|
||||
import { serialize, deserialize } from "bun:jsc";
|
||||
|
||||
const buf = serialize({ foo: "bar" });
|
||||
const obj = deserialize(buf);
|
||||
console.log(obj); // => { foo: "bar" }
|
||||
```
|
||||
|
||||
Internally, [`structuredClone`](https://developer.mozilla.org/en-US/docs/Web/API/structuredClone) and [`postMessage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage) serialize and deserialize the same way. This exposes the underlying [HTML Structured Clone Algorithm](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm) to JavaScript as an ArrayBuffer.
|
||||
|
||||
## `Bun.stripANSI()` ~6-57x faster `strip-ansi` alternative
|
||||
|
||||
`Bun.stripANSI(text: string): string`
|
||||
|
||||
@@ -831,11 +824,8 @@ console.log(Bun.stripANSI(formatted)); // => "Bold and underlined"
|
||||
|
||||
`Bun.stripANSI` is significantly faster than the popular [`strip-ansi`](https://www.npmjs.com/package/strip-ansi) npm package:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun bench/snippets/strip-ansi.mjs
|
||||
```
|
||||
|
||||
```txt
|
||||
```js
|
||||
> bun bench/snippets/strip-ansi.mjs
|
||||
cpu: Apple M3 Max
|
||||
runtime: bun 1.2.21 (arm64-darwin)
|
||||
|
||||
@@ -854,11 +844,8 @@ Bun.stripANSI 212,992 chars long-ansi 227.65 µs/iter 234.50 µs
|
||||
(216.46 µs … 401.92 µs) 262.25 µs
|
||||
```
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
node bench/snippets/strip-ansi.mjs
|
||||
```
|
||||
|
||||
```txt
|
||||
```js
|
||||
> node bench/snippets/strip-ansi.mjs
|
||||
cpu: Apple M3 Max
|
||||
runtime: node 24.6.0 (arm64-darwin)
|
||||
|
||||
@@ -878,24 +865,6 @@ npm/strip-ansi 212,992 chars long-ansi 1.36 ms/iter 1.38 ms
|
||||
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## `serialize` & `deserialize` in `bun:jsc`
|
||||
|
||||
To save a JavaScript value into an ArrayBuffer & back, use `serialize` and `deserialize` from the `"bun:jsc"` module.
|
||||
|
||||
```js
|
||||
import { serialize, deserialize } from "bun:jsc";
|
||||
|
||||
const buf = serialize({ foo: "bar" });
|
||||
const obj = deserialize(buf);
|
||||
console.log(obj); // => { foo: "bar" }
|
||||
```
|
||||
|
||||
Internally, [`structuredClone`](https://developer.mozilla.org/en-US/docs/Web/API/structuredClone) and [`postMessage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage) serialize and deserialize the same way. This exposes the underlying [HTML Structured Clone Algorithm](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm) to JavaScript as an ArrayBuffer.
|
||||
|
||||
---
|
||||
|
||||
## `estimateShallowMemoryUsageOf` in `bun:jsc`
|
||||
|
||||
The `estimateShallowMemoryUsageOf` function returns a best-effort estimate of the memory usage of an object in bytes, excluding the memory usage of properties or other objects it references. For accurate per-object memory usage, use `Bun.generateHeapSnapshot`.
|
||||
@@ -1,32 +1,22 @@
|
||||
---
|
||||
title: WebSockets
|
||||
description: Server-side WebSockets in Bun
|
||||
---
|
||||
|
||||
`Bun.serve()` supports server-side WebSockets, with on-the-fly compression, TLS support, and a Bun-native publish-subscribe API.
|
||||
|
||||
<Info>
|
||||
{% callout %}
|
||||
|
||||
**⚡️ 7x more throughput**
|
||||
**⚡️ 7x more throughput** — Bun's WebSockets are fast. For a [simple chatroom](https://github.com/oven-sh/bun/tree/main/bench/websocket-server/README.md) on Linux x64, Bun can handle 7x more requests per second than Node.js + [`"ws"`](https://github.com/websockets/ws).
|
||||
|
||||
Bun's WebSockets are fast. For a [simple chatroom](https://github.com/oven-sh/bun/tree/main/bench/websocket-server/README.md) on Linux x64, Bun can handle 7x more requests per second than Node.js + [`"ws"`](https://github.com/websockets/ws).
|
||||
|
||||
| **Messages sent per second** | **Runtime** | **Clients** |
|
||||
| ---------------------------- | ------------------------------ | ----------- |
|
||||
| ~700,000 | (`Bun.serve`) Bun v0.2.1 (x64) | 16 |
|
||||
| ~100,000 | (`ws`) Node v18.10.0 (x64) | 16 |
|
||||
| Messages sent per second | Runtime | Clients |
|
||||
| ------------------------ | ------------------------------ | ------- |
|
||||
| ~700,000 | (`Bun.serve`) Bun v0.2.1 (x64) | 16 |
|
||||
| ~100,000 | (`ws`) Node v18.10.0 (x64) | 16 |
|
||||
|
||||
Internally Bun's WebSocket implementation is built on [uWebSockets](https://github.com/uNetworking/uWebSockets).
|
||||
|
||||
</Info>
|
||||
|
||||
---
|
||||
{% /callout %}
|
||||
|
||||
## Start a WebSocket server
|
||||
|
||||
Below is a simple WebSocket server built with `Bun.serve`, in which all incoming requests are [upgraded](https://developer.mozilla.org/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism) to WebSocket connections in the `fetch` handler. The socket handlers are declared in the `websocket` parameter.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.serve({
|
||||
fetch(req, server) {
|
||||
// upgrade the request to a WebSocket
|
||||
@@ -41,7 +31,7 @@ Bun.serve({
|
||||
|
||||
The following WebSocket event handlers are supported:
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.serve({
|
||||
fetch(req, server) {}, // upgrade logic
|
||||
websocket: {
|
||||
@@ -53,7 +43,7 @@ Bun.serve({
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="An API designed for speed">
|
||||
{% details summary="An API designed for speed" %}
|
||||
|
||||
In Bun, handlers are declared once per server, instead of per socket.
|
||||
|
||||
@@ -70,12 +60,11 @@ But servers tend to have **many** socket connections open, which means:
|
||||
So, instead of using an event-based API, `ServerWebSocket` expects you to pass a single object with methods for each event in `Bun.serve()` and it is reused for each connection.
|
||||
|
||||
This leads to less memory usage and less time spent adding/removing event listeners.
|
||||
|
||||
</Accordion>
|
||||
{% /details %}
|
||||
|
||||
The first argument to each handler is the instance of `ServerWebSocket` handling the event. The `ServerWebSocket` class is a fast, Bun-native implementation of [`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket) with some additional features.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.serve({
|
||||
fetch(req, server) {}, // upgrade logic
|
||||
websocket: {
|
||||
@@ -90,32 +79,24 @@ Bun.serve({
|
||||
|
||||
Each `ServerWebSocket` instance has a `.send()` method for sending messages to the client. It supports a range of input types.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg" focus={4-6}
|
||||
Bun.serve({
|
||||
fetch(req, server) {}, // upgrade logic
|
||||
websocket: {
|
||||
message(ws, message) {
|
||||
ws.send("Hello world"); // string
|
||||
ws.send(response.arrayBuffer()); // ArrayBuffer
|
||||
ws.send(new Uint8Array([1, 2, 3])); // TypedArray | DataView
|
||||
},
|
||||
},
|
||||
});
|
||||
```ts
|
||||
ws.send("Hello world"); // string
|
||||
ws.send(response.arrayBuffer()); // ArrayBuffer
|
||||
ws.send(new Uint8Array([1, 2, 3])); // TypedArray | DataView
|
||||
```
|
||||
|
||||
### Headers
|
||||
|
||||
Once the upgrade succeeds, Bun will send a `101 Switching Protocols` response per the [spec](https://developer.mozilla.org/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism). Additional `headers` can be attached to this `Response` in the call to `server.upgrade()`.
|
||||
|
||||
{/* prettier-ignore */}
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.serve({
|
||||
fetch(req, server) {
|
||||
const sessionId = await generateSessionId();
|
||||
server.upgrade(req, {
|
||||
headers: { // [!code ++]
|
||||
"Set-Cookie": `SessionId=${sessionId}`, // [!code ++]
|
||||
}, // [!code ++]
|
||||
headers: {
|
||||
"Set-Cookie": `SessionId=${sessionId}`,
|
||||
},
|
||||
});
|
||||
},
|
||||
websocket: {}, // handlers
|
||||
@@ -128,7 +109,7 @@ Contextual `data` can be attached to a new WebSocket in the `.upgrade()` call. T
|
||||
|
||||
To strongly type `ws.data`, add a `data` property to the `websocket` handler object. This types `ws.data` across all lifecycle hooks.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
type WebSocketData = {
|
||||
createdAt: number;
|
||||
channelId: string;
|
||||
@@ -153,6 +134,7 @@ Bun.serve({
|
||||
websocket: {
|
||||
// TypeScript: specify the type of ws.data like this
|
||||
data: {} as WebSocketData,
|
||||
|
||||
// handler called when a message is received
|
||||
async message(ws, message) {
|
||||
// ws.data is now properly typed as WebSocketData
|
||||
@@ -168,32 +150,29 @@ Bun.serve({
|
||||
});
|
||||
```
|
||||
|
||||
<Info>
|
||||
{% callout %}
|
||||
**Note:** Previously, you could specify the type of `ws.data` using a type parameter on `Bun.serve`, like `Bun.serve<MyData>({...})`. This pattern was removed due to [a limitation in TypeScript](https://github.com/microsoft/TypeScript/issues/26242) in favor of the `data` property shown above.
|
||||
</Info>
|
||||
{% /callout %}
|
||||
|
||||
To connect to this server from the browser, create a new `WebSocket`.
|
||||
|
||||
```js browser.js icon="file-code"
|
||||
```ts#browser.js
|
||||
const socket = new WebSocket("ws://localhost:3000/chat");
|
||||
|
||||
socket.addEventListener("message", event => {
|
||||
console.log(event.data);
|
||||
});
|
||||
})
|
||||
```
|
||||
|
||||
<Info>
|
||||
**Identifying users**
|
||||
|
||||
The cookies that are currently set on the page will be sent with the WebSocket upgrade request and available on `req.headers` in the `fetch` handler. Parse these cookies to determine the identity of the connecting user and set the value of `data` accordingly.
|
||||
|
||||
</Info>
|
||||
{% callout %}
|
||||
**Identifying users** — The cookies that are currently set on the page will be sent with the WebSocket upgrade request and available on `req.headers` in the `fetch` handler. Parse these cookies to determine the identity of the connecting user and set the value of `data` accordingly.
|
||||
{% /callout %}
|
||||
|
||||
### Pub/Sub
|
||||
|
||||
Bun's `ServerWebSocket` implementation implements a native publish-subscribe API for topic-based broadcasting. Individual sockets can `.subscribe()` to a topic (specified with a string identifier) and `.publish()` messages to all other subscribers to that topic (excluding itself). This topic-based broadcast API is similar to [MQTT](https://en.wikipedia.org/wiki/MQTT) and [Redis Pub/Sub](https://redis.io/topics/pubsub).
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const server = Bun.serve({
|
||||
fetch(req, server) {
|
||||
const url = new URL(req.url);
|
||||
@@ -201,7 +180,9 @@ const server = Bun.serve({
|
||||
console.log(`upgrade!`);
|
||||
const username = getUsernameFromReq(req);
|
||||
const success = server.upgrade(req, { data: { username } });
|
||||
return success ? undefined : new Response("WebSocket upgrade error", { status: 400 });
|
||||
return success
|
||||
? undefined
|
||||
: new Response("WebSocket upgrade error", { status: 400 });
|
||||
}
|
||||
|
||||
return new Response("Hello world");
|
||||
@@ -209,6 +190,7 @@ const server = Bun.serve({
|
||||
websocket: {
|
||||
// TypeScript: specify the type of ws.data like this
|
||||
data: {} as { username: string },
|
||||
|
||||
open(ws) {
|
||||
const msg = `${ws.data.username} has entered the chat`;
|
||||
ws.subscribe("the-group-chat");
|
||||
@@ -218,9 +200,6 @@ const server = Bun.serve({
|
||||
// this is a group chat
|
||||
// so the server re-broadcasts incoming message to everyone
|
||||
server.publish("the-group-chat", `${ws.data.username}: ${message}`);
|
||||
|
||||
// inspect current subscriptions
|
||||
console.log(ws.subscriptions); // ["the-group-chat"]
|
||||
},
|
||||
close(ws) {
|
||||
const msg = `${ws.data.username} has left the chat`;
|
||||
@@ -250,10 +229,12 @@ server.publish("the-group-chat", "Hello world");
|
||||
|
||||
Per-message [compression](https://websockets.readthedocs.io/en/stable/topics/compression.html) can be enabled with the `perMessageDeflate` parameter.
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
Bun.serve({
|
||||
fetch(req, server) {}, // upgrade logic
|
||||
websocket: {
|
||||
perMessageDeflate: true, // [!code ++]
|
||||
// enable compression and decompression
|
||||
perMessageDeflate: true,
|
||||
},
|
||||
});
|
||||
```
|
||||
@@ -284,7 +265,9 @@ By default, Bun will close a WebSocket connection if it is idle for 120 seconds.
|
||||
Bun.serve({
|
||||
fetch(req, server) {}, // upgrade logic
|
||||
websocket: {
|
||||
idleTimeout: 60, // 60 seconds // [!code ++]
|
||||
idleTimeout: 60, // 60 seconds
|
||||
|
||||
// ...
|
||||
},
|
||||
});
|
||||
```
|
||||
@@ -295,13 +278,13 @@ Bun will also close a WebSocket connection if it receives a message that is larg
|
||||
Bun.serve({
|
||||
fetch(req, server) {}, // upgrade logic
|
||||
websocket: {
|
||||
maxPayloadLength: 1024 * 1024, // 1 MB // [!code ++]
|
||||
maxPayloadLength: 1024 * 1024, // 1 MB
|
||||
|
||||
// ...
|
||||
},
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Connect to a `Websocket` server
|
||||
|
||||
Bun implements the `WebSocket` class. To create a WebSocket client that connects to a `ws://` or `wss://` server, create an instance of `WebSocket`, as you would in the browser.
|
||||
@@ -320,8 +303,19 @@ For convenience, Bun lets you setting custom headers directly in the constructor
|
||||
```ts
|
||||
const socket = new WebSocket("ws://localhost:3000", {
|
||||
headers: {
|
||||
/* custom headers */
|
||||
}, // [!code ++]
|
||||
// custom headers
|
||||
},
|
||||
});
|
||||
```
|
||||
|
||||
### Client compression
|
||||
|
||||
WebSocket clients support permessage-deflate compression. The `extensions` property shows negotiated compression:
|
||||
|
||||
```ts
|
||||
const socket = new WebSocket("wss://echo.websocket.org");
|
||||
socket.addEventListener("open", () => {
|
||||
console.log(socket.extensions); // => "permessage-deflate"
|
||||
});
|
||||
```
|
||||
|
||||
@@ -341,16 +335,17 @@ socket.addEventListener("close", event => {});
|
||||
socket.addEventListener("error", event => {});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Reference
|
||||
|
||||
```ts See Typescript Definitions expandable
|
||||
```ts
|
||||
namespace Bun {
|
||||
export function serve(params: {
|
||||
fetch: (req: Request, server: Server) => Response | Promise<Response>;
|
||||
websocket?: {
|
||||
message: (ws: ServerWebSocket, message: string | ArrayBuffer | Uint8Array) => void;
|
||||
message: (
|
||||
ws: ServerWebSocket,
|
||||
message: string | ArrayBuffer | Uint8Array,
|
||||
) => void;
|
||||
open?: (ws: ServerWebSocket) => void;
|
||||
close?: (ws: ServerWebSocket, code: number, reason: string) => void;
|
||||
error?: (ws: ServerWebSocket, error: Error) => void;
|
||||
@@ -388,7 +383,11 @@ type Compressor =
|
||||
|
||||
interface Server {
|
||||
pendingWebSockets: number;
|
||||
publish(topic: string, data: string | ArrayBufferView | ArrayBuffer, compress?: boolean): number;
|
||||
publish(
|
||||
topic: string,
|
||||
data: string | ArrayBufferView | ArrayBuffer,
|
||||
compress?: boolean,
|
||||
): number;
|
||||
upgrade(
|
||||
req: Request,
|
||||
options?: {
|
||||
@@ -402,7 +401,6 @@ interface ServerWebSocket {
|
||||
readonly data: any;
|
||||
readonly readyState: number;
|
||||
readonly remoteAddress: string;
|
||||
readonly subscriptions: string[];
|
||||
send(message: string | ArrayBuffer | Uint8Array, compress?: boolean): number;
|
||||
close(code?: number, reason?: string): void;
|
||||
subscribe(topic: string): void;
|
||||
@@ -412,3 +410,164 @@ interface ServerWebSocket {
|
||||
cork(cb: (ws: ServerWebSocket) => void): void;
|
||||
}
|
||||
```
|
||||
|
||||
<!--
|
||||
### `Bun.serve(params)`
|
||||
|
||||
{% param name="params" %}
|
||||
Configuration object for WebSocket server
|
||||
{% /param %}
|
||||
|
||||
{% param name=" fetch" %}
|
||||
`(req: Request, server: Server) => Response | Promise<Response>`
|
||||
|
||||
Call `server.upgrade(req)` to upgrade the request to a WebSocket connection. This method returns `true` if the upgrade succeeds, or `false` if the upgrade fails.
|
||||
{% /param %}
|
||||
|
||||
{% param name=" websocket" %}
|
||||
Configuration object for WebSocket server
|
||||
{% /param %}
|
||||
|
||||
{% param name=" message" %}
|
||||
`(ws: ServerWebSocket, message: string | ArrayBuffer | Uint8Array) => void`
|
||||
|
||||
This handler is called when a `WebSocket` receives a message.
|
||||
{% /param %}
|
||||
|
||||
{% param name=" open" %}
|
||||
`(ws: ServerWebSocket) => void`
|
||||
|
||||
This handler is called when a `WebSocket` is opened.
|
||||
{% /param %}
|
||||
|
||||
{% param name=" close" %}
|
||||
`(ws: ServerWebSocket, code: number, message: string) => void`
|
||||
|
||||
This handler is called when a `WebSocket` is closed.
|
||||
{% /param %}
|
||||
|
||||
{% param name=" drain" %}
|
||||
`(ws: ServerWebSocket) => void`
|
||||
|
||||
This handler is called when a `WebSocket` is ready to receive more data.
|
||||
{% /param %}
|
||||
|
||||
{% param name=" perMessageDeflate" %}
|
||||
`boolean | {\n compress?: boolean | Compressor;\n decompress?: boolean | Compressor \n}`
|
||||
|
||||
Enable per-message compression and decompression. This is a boolean value or an object with `compress` and `decompress` properties. Each property can be a boolean value or one of the following `Compressor` types:
|
||||
|
||||
- `"disable"`
|
||||
- `"shared"`
|
||||
- `"dedicated"`
|
||||
- `"3KB"`
|
||||
- `"4KB"`
|
||||
- `"8KB"`
|
||||
- `"16KB"`
|
||||
- `"32KB"`
|
||||
- `"64KB"`
|
||||
- `"128KB"`
|
||||
- `"256KB"`
|
||||
|
||||
{% /param %}
|
||||
|
||||
### `ServerWebSocket`
|
||||
|
||||
{% param name="readyState" %}
|
||||
`number`
|
||||
|
||||
The current state of the `WebSocket` connection. This is one of the following values:
|
||||
|
||||
- `0` `CONNECTING`
|
||||
- `1` `OPEN`
|
||||
- `2` `CLOSING`
|
||||
- `3` `CLOSED`
|
||||
|
||||
{% /param %}
|
||||
|
||||
{% param name="remoteAddress" %}
|
||||
|
||||
`string`
|
||||
|
||||
The remote address of the `WebSocket` connection
|
||||
{% /param %}
|
||||
|
||||
{% param name="data" %}
|
||||
The data associated with the `WebSocket` connection. This is set in the `server.upgrade()` call.
|
||||
{% /param %}
|
||||
|
||||
{% param name=".send()" %}
|
||||
`send(message: string | ArrayBuffer | Uint8Array, compress?: boolean): number`
|
||||
|
||||
Send a message to the client. Returns a `number` indicating the result of the operation.
|
||||
|
||||
- `-1`: the message was enqueued but there is backpressure
|
||||
- `0`: the message was dropped due to a connection issue
|
||||
- `1+`: the number of bytes sent
|
||||
|
||||
The `compress` argument will enable compression for this message, even if the `perMessageDeflate` option is disabled.
|
||||
{% /param %}
|
||||
|
||||
{% param name=".subscribe()" %}
|
||||
`subscribe(topic: string): void`
|
||||
|
||||
Subscribe to a topic
|
||||
{% /param %}
|
||||
|
||||
{% param name=".unsubscribe()" %}
|
||||
`unsubscribe(topic: string): void`
|
||||
|
||||
Unsubscribe from a topic
|
||||
{% /param %}
|
||||
|
||||
{% param name=".publish()" %}
|
||||
`publish(topic: string, data: string | ArrayBufferView | ArrayBuffer, compress?: boolean): number;`
|
||||
|
||||
Send a message to all subscribers of a topic
|
||||
{% /param %}
|
||||
|
||||
{% param name=".isSubscribed()" %}
|
||||
`isSubscribed(topic: string): boolean`
|
||||
|
||||
Check if the `WebSocket` is subscribed to a topic
|
||||
{% /param %}
|
||||
{% param name=".cork()" %}
|
||||
`cork(cb: (ws: ServerWebSocket) => void): void;`
|
||||
|
||||
Batch a set of operations on a `WebSocket` connection. The `message`, `open`, and `drain` callbacks are automatically corked, so
|
||||
you only need to call this if you are sending messages outside of those
|
||||
callbacks or in async functions.
|
||||
|
||||
```ts
|
||||
ws.cork((ws) => {
|
||||
ws.send("first");
|
||||
ws.send("second");
|
||||
ws.send("third");
|
||||
});
|
||||
```
|
||||
|
||||
{% /param %}
|
||||
|
||||
{% param name=".close()" %}
|
||||
`close(code?: number, message?: string): void`
|
||||
|
||||
Close the `WebSocket` connection
|
||||
{% /param %}
|
||||
|
||||
### `Server`
|
||||
|
||||
{% param name="pendingWebsockets" %}
|
||||
Number of in-flight `WebSocket` messages
|
||||
{% /param %}
|
||||
|
||||
{% param name=".publish()" %}
|
||||
`publish(topic: string, data: string | ArrayBufferView | ArrayBuffer, compress?: boolean): number;`
|
||||
|
||||
Send a message to all subscribers of a topic
|
||||
{% /param %}
|
||||
|
||||
{% param name=".upgrade()" %}
|
||||
`upgrade(req: Request): boolean`
|
||||
|
||||
Upgrade a request to a `WebSocket` connection. Returns `true` if the upgrade succeeds, or `false` if the upgrade fails.
|
||||
{% /param %} -->
|
||||
@@ -1,12 +1,6 @@
|
||||
---
|
||||
title: Workers
|
||||
description: Use Bun's Workers API to create and communicate with a new JavaScript instance running on a separate thread while sharing I/O resources with the main thread
|
||||
---
|
||||
|
||||
<Warning>
|
||||
The `Worker` API is still experimental (particularly for terminating workers). We are actively working on improving
|
||||
this.
|
||||
</Warning>
|
||||
{% callout %}
|
||||
**🚧** — The `Worker` API is still experimental (particularly for terminating workers). We are actively working on improving this.
|
||||
{% /callout %}
|
||||
|
||||
[`Worker`](https://developer.mozilla.org/en-US/docs/Web/API/Worker) lets you start and communicate with a new JavaScript instance running on a separate thread while sharing I/O resources with the main thread.
|
||||
|
||||
@@ -18,7 +12,7 @@ Like in browsers, [`Worker`](https://developer.mozilla.org/en-US/docs/Web/API/Wo
|
||||
|
||||
### From the main thread
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```js#Main_thread
|
||||
const worker = new Worker("./worker.ts");
|
||||
|
||||
worker.postMessage("hello");
|
||||
@@ -29,7 +23,7 @@ worker.onmessage = event => {
|
||||
|
||||
### Worker thread
|
||||
|
||||
```ts worker.ts icon="file-code"
|
||||
```ts#worker.ts_(Worker_thread)
|
||||
// prevents TS errors
|
||||
declare var self: Worker;
|
||||
|
||||
@@ -60,7 +54,7 @@ The specifier passed to `Worker` is resolved relative to the project root (like
|
||||
|
||||
You can pass an array of module specifiers to the `preload` option to load modules before the worker starts. This is useful when you want to ensure some code is always loaded before the application starts, like loading OpenTelemetry, Sentry, DataDog, etc.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```js
|
||||
const worker = new Worker("./worker.ts", {
|
||||
preload: ["./load-sentry.js"],
|
||||
});
|
||||
@@ -70,28 +64,42 @@ Like the `--preload` CLI argument, the `preload` option is processed before the
|
||||
|
||||
You can also pass a single string to the `preload` option:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```js
|
||||
const worker = new Worker("./worker.ts", {
|
||||
preload: "./load-sentry.js",
|
||||
});
|
||||
```
|
||||
|
||||
This feature was added in Bun v1.1.35.
|
||||
|
||||
### `blob:` URLs
|
||||
|
||||
You can also pass a `blob:` URL to `Worker`. This is useful for creating workers from strings or other sources.
|
||||
As of Bun v1.1.13, you can also pass a `blob:` URL to `Worker`. This is useful for creating workers from strings or other sources.
|
||||
|
||||
```js
|
||||
const blob = new Blob([`self.onmessage = (event: MessageEvent) => postMessage(event.data)`], {
|
||||
type: "application/typescript",
|
||||
});
|
||||
const blob = new Blob(
|
||||
[
|
||||
`
|
||||
self.onmessage = (event: MessageEvent) => postMessage(event.data)`,
|
||||
],
|
||||
{
|
||||
type: "application/typescript",
|
||||
},
|
||||
);
|
||||
const url = URL.createObjectURL(blob);
|
||||
const worker = new Worker(url);
|
||||
```
|
||||
|
||||
Like the rest of Bun, workers created from `blob:` URLs support TypeScript, JSX, and other file types out of the box. You can communicate it should be loaded via typescript either via `type` or by passing a `filename` to the `File` constructor.
|
||||
|
||||
```ts
|
||||
const file = new File([`self.onmessage = (event: MessageEvent) => postMessage(event.data)`], "worker.ts");
|
||||
```js
|
||||
const file = new File(
|
||||
[
|
||||
`
|
||||
self.onmessage = (event: MessageEvent) => postMessage(event.data)`,
|
||||
],
|
||||
"worker.ts",
|
||||
);
|
||||
const url = URL.createObjectURL(file);
|
||||
const worker = new Worker(url);
|
||||
```
|
||||
@@ -100,7 +108,7 @@ const worker = new Worker(url);
|
||||
|
||||
The `"open"` event is emitted when a worker is created and ready to receive messages. This can be used to send an initial message to a worker once it's ready. (This event does not exist in browsers.)
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const worker = new Worker(new URL("worker.ts", import.meta.url).href);
|
||||
|
||||
worker.addEventListener("open", () => {
|
||||
@@ -133,7 +141,7 @@ With these fast paths, Bun's `postMessage` performs **2-241x faster** because th
|
||||
|
||||
**Bun (with fast paths):**
|
||||
|
||||
```ts
|
||||
```
|
||||
postMessage({ prop: 11 chars string, ...9 more props }) - 648ns
|
||||
postMessage({ prop: 14 KB string, ...9 more props }) - 719ns
|
||||
postMessage({ prop: 3 MB string, ...9 more props }) - 1.26µs
|
||||
@@ -141,7 +149,7 @@ postMessage({ prop: 3 MB string, ...9 more props }) - 1.26µs
|
||||
|
||||
**Node.js v24.6.0 (for comparison):**
|
||||
|
||||
```js
|
||||
```
|
||||
postMessage({ prop: 11 chars string, ...9 more props }) - 1.19µs
|
||||
postMessage({ prop: 14 KB string, ...9 more props }) - 2.69µs
|
||||
postMessage({ prop: 3 MB string, ...9 more props }) - 304µs
|
||||
@@ -197,7 +205,7 @@ worker.addEventListener("message", event => {
|
||||
|
||||
A `Worker` instance terminates automatically once it's event loop has no work left to do. Attaching a `"message"` listener on the global or any `MessagePort`s will keep the event loop alive. To forcefully terminate a `Worker`, call `worker.terminate()`.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const worker = new Worker(new URL("worker.ts", import.meta.url).href);
|
||||
|
||||
// ...some time later
|
||||
@@ -214,7 +222,7 @@ A worker can terminate itself with `process.exit()`. This does not terminate the
|
||||
|
||||
The `"close"` event is emitted when a worker has been terminated. It can take some time for the worker to actually terminate, so this event is emitted when the worker has been marked as terminated. The `CloseEvent` will contain the exit code passed to `process.exit()`, or 0 if closed for other reasons.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const worker = new Worker(new URL("worker.ts", import.meta.url).href);
|
||||
|
||||
worker.addEventListener("close", event => {
|
||||
@@ -232,7 +240,7 @@ By default, an active `Worker` will keep the main (spawning) process alive, so a
|
||||
|
||||
To stop a running worker from keeping the process alive, call `worker.unref()`. This decouples the lifetime of the worker to the lifetime of the main process, and is equivalent to what Node.js' `worker_threads` does.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const worker = new Worker(new URL("worker.ts", import.meta.url).href);
|
||||
worker.unref();
|
||||
```
|
||||
@@ -243,7 +251,7 @@ Note: `worker.unref()` is not available in browsers.
|
||||
|
||||
To keep the process alive until the `Worker` terminates, call `worker.ref()`. A ref'd worker is the default behavior, and still needs something going on in the event loop (such as a `"message"` listener) for the worker to continue running.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const worker = new Worker(new URL("worker.ts", import.meta.url).href);
|
||||
worker.unref();
|
||||
// later...
|
||||
@@ -252,7 +260,7 @@ worker.ref();
|
||||
|
||||
Alternatively, you can also pass an `options` object to `Worker`:
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
const worker = new Worker(new URL("worker.ts", import.meta.url).href, {
|
||||
ref: false,
|
||||
});
|
||||
@@ -264,21 +272,21 @@ Note: `worker.ref()` is not available in browsers.
|
||||
|
||||
JavaScript instances can use a lot of memory. Bun's `Worker` supports a `smol` mode that reduces memory usage, at a cost of performance. To enable `smol` mode, pass `smol: true` to the `options` object in the `Worker` constructor.
|
||||
|
||||
```ts index.ts icon="/icons/typescript.svg"
|
||||
```js
|
||||
const worker = new Worker("./i-am-smol.ts", {
|
||||
smol: true,
|
||||
});
|
||||
```
|
||||
|
||||
<Accordion title="What does `smol` mode actually do?">
|
||||
Setting `smol: true` sets `JSC::HeapSize` to be `Small` instead of the default `Large`.
|
||||
</Accordion>
|
||||
{% details summary="What does `smol` mode actually do?" %}
|
||||
Setting `smol: true` sets `JSC::HeapSize` to be `Small` instead of the default `Large`.
|
||||
{% /details %}
|
||||
|
||||
## Environment Data
|
||||
|
||||
Share data between the main thread and workers using `setEnvironmentData()` and `getEnvironmentData()`.
|
||||
|
||||
```ts title="index.ts" icon="/icons/typescript.svg"
|
||||
```js
|
||||
import { setEnvironmentData, getEnvironmentData } from "worker_threads";
|
||||
|
||||
// In main thread
|
||||
@@ -293,7 +301,7 @@ console.log(config); // => { apiUrl: "https://api.example.com" }
|
||||
|
||||
Listen for worker creation events using `process.emit()`:
|
||||
|
||||
```ts title="index.ts" icon="/icons/typescript.svg"
|
||||
```js
|
||||
process.on("worker", worker => {
|
||||
console.log("New worker created:", worker.threadId);
|
||||
});
|
||||
@@ -1,22 +1,16 @@
|
||||
---
|
||||
title: YAML
|
||||
description: Use Bun's built-in support for YAML files through both runtime APIs and bundler integration
|
||||
---
|
||||
In Bun, YAML is a first-class citizen alongside JSON and TOML.
|
||||
|
||||
In Bun, YAML is a first-class citizen alongside JSON and TOML. You can:
|
||||
Bun provides built-in support for YAML files through both runtime APIs and bundler integration. You can
|
||||
|
||||
- Parse YAML strings with `Bun.YAML.parse`
|
||||
- `import` & `require` YAML files as modules at runtime (including hot reloading & watch mode support)
|
||||
- `import` & `require` YAML files in frontend apps via bun's bundler
|
||||
|
||||
---
|
||||
- Stringify JavaScript objects to YAML with `Bun.YAML.stringify`
|
||||
- import & require YAML files as modules at runtime (including hot reloading & watch mode support)
|
||||
- import & require YAML files in frontend apps via bun's bundler
|
||||
|
||||
## Conformance
|
||||
|
||||
Bun's YAML parser currently passes over 90% of the official YAML test suite. While we're actively working on reaching 100% conformance, the current implementation covers the vast majority of real-world use cases. The parser is written in Zig for optimal performance and is continuously being improved.
|
||||
|
||||
---
|
||||
|
||||
## Runtime API
|
||||
|
||||
### `Bun.YAML.parse()`
|
||||
@@ -111,7 +105,7 @@ const data = Bun.YAML.parse(yaml);
|
||||
|
||||
#### Error Handling
|
||||
|
||||
`Bun.YAML.parse()` throws a `SyntaxError` if the YAML is invalid:
|
||||
`Bun.YAML.parse()` throws an error if the YAML is invalid:
|
||||
|
||||
```ts
|
||||
try {
|
||||
@@ -121,7 +115,174 @@ try {
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
### `Bun.YAML.stringify()`
|
||||
|
||||
Convert a JavaScript value into a YAML string. The API signature matches `JSON.stringify`:
|
||||
|
||||
```ts
|
||||
YAML.stringify(value, replacer?, space?)
|
||||
```
|
||||
|
||||
- `value`: The value to convert to YAML
|
||||
- `replacer`: Currently only `null` or `undefined` (function replacers not yet supported)
|
||||
- `space`: Number of spaces for indentation (e.g., `2`) or a string to use for indentation. **Without this parameter, outputs flow-style (single-line) YAML**
|
||||
|
||||
#### Basic Usage
|
||||
|
||||
```ts
|
||||
import { YAML } from "bun";
|
||||
|
||||
const data = {
|
||||
name: "John Doe",
|
||||
age: 30,
|
||||
hobbies: ["reading", "coding"],
|
||||
};
|
||||
|
||||
// Without space - outputs flow-style (single-line) YAML
|
||||
console.log(YAML.stringify(data));
|
||||
// {name: John Doe,age: 30,hobbies: [reading,coding]}
|
||||
|
||||
// With space=2 - outputs block-style (multi-line) YAML
|
||||
console.log(YAML.stringify(data, null, 2));
|
||||
// name: John Doe
|
||||
// age: 30
|
||||
// hobbies:
|
||||
// - reading
|
||||
// - coding
|
||||
```
|
||||
|
||||
#### Output Styles
|
||||
|
||||
```ts
|
||||
const arr = [1, 2, 3];
|
||||
|
||||
// Flow style (single-line) - default
|
||||
console.log(YAML.stringify(arr));
|
||||
// [1,2,3]
|
||||
|
||||
// Block style (multi-line) - with indentation
|
||||
console.log(YAML.stringify(arr, null, 2));
|
||||
// - 1
|
||||
// - 2
|
||||
// - 3
|
||||
```
|
||||
|
||||
#### String Quoting
|
||||
|
||||
`YAML.stringify()` automatically quotes strings when necessary:
|
||||
|
||||
- Strings that would be parsed as YAML keywords (`true`, `false`, `null`, `yes`, `no`, etc.)
|
||||
- Strings that would be parsed as numbers
|
||||
- Strings containing special characters or escape sequences
|
||||
|
||||
```ts
|
||||
const examples = {
|
||||
keyword: "true", // Will be quoted: "true"
|
||||
number: "123", // Will be quoted: "123"
|
||||
text: "hello world", // Won't be quoted: hello world
|
||||
empty: "", // Will be quoted: ""
|
||||
};
|
||||
|
||||
console.log(YAML.stringify(examples, null, 2));
|
||||
// keyword: "true"
|
||||
// number: "123"
|
||||
// text: hello world
|
||||
// empty: ""
|
||||
```
|
||||
|
||||
#### Cycles and References
|
||||
|
||||
`YAML.stringify()` automatically detects and handles circular references using YAML anchors and aliases:
|
||||
|
||||
```ts
|
||||
const obj = { name: "root" };
|
||||
obj.self = obj; // Circular reference
|
||||
|
||||
const yamlString = YAML.stringify(obj, null, 2);
|
||||
console.log(yamlString);
|
||||
// &root
|
||||
// name: root
|
||||
// self:
|
||||
// *root
|
||||
|
||||
// Objects with shared references
|
||||
const shared = { id: 1 };
|
||||
const data = {
|
||||
first: shared,
|
||||
second: shared,
|
||||
};
|
||||
|
||||
console.log(YAML.stringify(data, null, 2));
|
||||
// first:
|
||||
// &first
|
||||
// id: 1
|
||||
// second:
|
||||
// *first
|
||||
```
|
||||
|
||||
#### Special Values
|
||||
|
||||
```ts
|
||||
// Special numeric values
|
||||
console.log(YAML.stringify(Infinity)); // .inf
|
||||
console.log(YAML.stringify(-Infinity)); // -.inf
|
||||
console.log(YAML.stringify(NaN)); // .nan
|
||||
console.log(YAML.stringify(0)); // 0
|
||||
console.log(YAML.stringify(-0)); // -0
|
||||
|
||||
// null and undefined
|
||||
console.log(YAML.stringify(null)); // null
|
||||
console.log(YAML.stringify(undefined)); // undefined (returns undefined, not a string)
|
||||
|
||||
// Booleans
|
||||
console.log(YAML.stringify(true)); // true
|
||||
console.log(YAML.stringify(false)); // false
|
||||
```
|
||||
|
||||
#### Complex Objects
|
||||
|
||||
```ts
|
||||
const config = {
|
||||
server: {
|
||||
port: 3000,
|
||||
host: "localhost",
|
||||
ssl: {
|
||||
enabled: true,
|
||||
cert: "/path/to/cert.pem",
|
||||
key: "/path/to/key.pem",
|
||||
},
|
||||
},
|
||||
database: {
|
||||
connections: [
|
||||
{ name: "primary", host: "db1.example.com" },
|
||||
{ name: "replica", host: "db2.example.com" },
|
||||
],
|
||||
},
|
||||
features: {
|
||||
auth: true,
|
||||
"rate-limit": 100, // Keys with special characters are preserved
|
||||
},
|
||||
};
|
||||
|
||||
const yamlString = YAML.stringify(config, null, 2);
|
||||
console.log(yamlString);
|
||||
// server:
|
||||
// port: 3000
|
||||
// host: localhost
|
||||
// ssl:
|
||||
// enabled: true
|
||||
// cert: /path/to/cert.pem
|
||||
// key: /path/to/key.pem
|
||||
// database:
|
||||
// connections:
|
||||
// - name: primary
|
||||
// host: db1.example.com
|
||||
// - name: replica
|
||||
// host: db2.example.com
|
||||
// features:
|
||||
// auth: true
|
||||
// rate-limit: 100
|
||||
```
|
||||
|
||||
## Module Import
|
||||
|
||||
@@ -129,7 +290,7 @@ try {
|
||||
|
||||
You can import YAML files directly as ES modules. The YAML content is parsed and made available as both default and named exports:
|
||||
|
||||
```yaml config.yaml
|
||||
```yaml#config.yaml
|
||||
database:
|
||||
host: localhost
|
||||
port: 5432
|
||||
@@ -147,7 +308,7 @@ features:
|
||||
|
||||
#### Default Import
|
||||
|
||||
```ts app.ts icon="/icons/typescript.svg"
|
||||
```ts#app.ts
|
||||
import config from "./config.yaml";
|
||||
|
||||
console.log(config.database.host); // "localhost"
|
||||
@@ -158,7 +319,7 @@ console.log(config.redis.port); // 6379
|
||||
|
||||
You can destructure top-level YAML properties as named imports:
|
||||
|
||||
```ts app.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import { database, redis, features } from "./config.yaml";
|
||||
|
||||
console.log(database.host); // "localhost"
|
||||
@@ -168,7 +329,7 @@ console.log(features.auth); // true
|
||||
|
||||
Or combine both:
|
||||
|
||||
```ts app.ts icon="/icons/typescript.svg"
|
||||
```ts
|
||||
import config, { database, features } from "./config.yaml";
|
||||
|
||||
// Use the full config object
|
||||
@@ -184,7 +345,7 @@ if (features.rateLimit) {
|
||||
|
||||
YAML files can also be required in CommonJS:
|
||||
|
||||
```ts app.ts icon="/icons/typescript.svg"
|
||||
```js
|
||||
const config = require("./config.yaml");
|
||||
console.log(config.database.name); // "myapp"
|
||||
|
||||
@@ -193,7 +354,44 @@ const { database, redis } = require("./config.yaml");
|
||||
console.log(database.port); // 5432
|
||||
```
|
||||
|
||||
---
|
||||
### TypeScript Support
|
||||
|
||||
While Bun can import YAML files directly, TypeScript doesn't know the types of your YAML files by default. To add TypeScript support for your YAML imports, create a declaration file with `.d.ts` appended to the YAML filename (e.g., `config.yaml` → `config.yaml.d.ts`):
|
||||
|
||||
```yaml#config.yaml
|
||||
features: "advanced"
|
||||
server:
|
||||
host: localhost
|
||||
port: 3000
|
||||
```
|
||||
|
||||
```ts#config.yaml.d.ts
|
||||
const contents: {
|
||||
features: string;
|
||||
server: {
|
||||
host: string;
|
||||
port: number;
|
||||
};
|
||||
};
|
||||
|
||||
export = contents;
|
||||
```
|
||||
|
||||
Now TypeScript will provide proper type checking and auto-completion:
|
||||
|
||||
```ts#app.ts
|
||||
import config from "./config.yaml";
|
||||
|
||||
// TypeScript knows the types!
|
||||
config.server.port; // number
|
||||
config.server.host; // string
|
||||
config.features; // string
|
||||
|
||||
// TypeScript will catch errors
|
||||
config.server.unknown; // Error: Property 'unknown' does not exist
|
||||
```
|
||||
|
||||
This approach works for both ES modules and CommonJS, giving you full type safety while Bun continues to handle the actual YAML parsing at runtime.
|
||||
|
||||
## Hot Reloading with YAML
|
||||
|
||||
@@ -201,7 +399,7 @@ One of the most powerful features of Bun's YAML support is hot reloading. When y
|
||||
|
||||
### Configuration Hot Reloading
|
||||
|
||||
```yaml config.yaml
|
||||
```yaml#config.yaml
|
||||
server:
|
||||
port: 3000
|
||||
host: localhost
|
||||
@@ -211,7 +409,7 @@ features:
|
||||
verbose: false
|
||||
```
|
||||
|
||||
```ts server.ts icon="/icons/typescript.svg"
|
||||
```ts#server.ts
|
||||
import { server, features } from "./config.yaml";
|
||||
|
||||
console.log(`Starting server on ${server.host}:${server.port}`);
|
||||
@@ -235,7 +433,7 @@ Bun.serve({
|
||||
|
||||
Run with hot reloading:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
```bash
|
||||
bun --hot server.ts
|
||||
```
|
||||
|
||||
@@ -246,15 +444,13 @@ Now when you modify `config.yaml`, the changes are immediately reflected in your
|
||||
- Live debugging with configuration changes
|
||||
- Feature flag toggling
|
||||
|
||||
---
|
||||
|
||||
## Configuration Management
|
||||
|
||||
### Environment-Based Configuration
|
||||
|
||||
YAML excels at managing configuration across different environments:
|
||||
|
||||
```yaml config.yaml
|
||||
```yaml#config.yaml
|
||||
defaults: &defaults
|
||||
timeout: 5000
|
||||
retries: 3
|
||||
@@ -293,7 +489,7 @@ production:
|
||||
pretty: false
|
||||
```
|
||||
|
||||
```ts app.ts icon="/icons/typescript.svg"
|
||||
```ts#app.ts
|
||||
import configs from "./config.yaml";
|
||||
|
||||
const env = process.env.NODE_ENV || "development";
|
||||
@@ -317,7 +513,7 @@ export default interpolateEnvVars(config);
|
||||
|
||||
### Feature Flags Configuration
|
||||
|
||||
```yaml features.yaml
|
||||
```yaml#features.yaml
|
||||
features:
|
||||
newDashboard:
|
||||
enabled: true
|
||||
@@ -337,10 +533,13 @@ features:
|
||||
default: auto # auto, light, dark
|
||||
```
|
||||
|
||||
```ts feature-flags.ts icon="/icons/typescript.svg"
|
||||
```ts#feature-flags.ts
|
||||
import { features } from "./features.yaml";
|
||||
|
||||
export function isFeatureEnabled(featureName: string, userEmail?: string): boolean {
|
||||
export function isFeatureEnabled(
|
||||
featureName: string,
|
||||
userEmail?: string,
|
||||
): boolean {
|
||||
const feature = features[featureName];
|
||||
|
||||
if (!feature?.enabled) {
|
||||
@@ -373,7 +572,7 @@ if (isFeatureEnabled("newDashboard", user.email)) {
|
||||
|
||||
### Database Configuration
|
||||
|
||||
```yaml database.yaml icon="yaml"
|
||||
```yaml#database.yaml
|
||||
connections:
|
||||
primary:
|
||||
type: postgres
|
||||
@@ -409,7 +608,7 @@ seeds:
|
||||
directory: ./seeds
|
||||
```
|
||||
|
||||
```ts db.ts icon="/icons/typescript.svg"
|
||||
```ts#db.ts
|
||||
import { connections, migrations } from "./database.yaml";
|
||||
import { createConnection } from "./database-driver";
|
||||
|
||||
@@ -439,7 +638,7 @@ if (parseConfig(migrations).autoRun === "true") {
|
||||
|
||||
When you import YAML files in your application and bundle it with Bun, the YAML is parsed at build time and included as a JavaScript module:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
```bash
|
||||
bun build app.ts --outdir=dist
|
||||
```
|
||||
|
||||
@@ -453,7 +652,7 @@ This means:
|
||||
|
||||
YAML files can be dynamically imported, useful for loading configuration on demand:
|
||||
|
||||
```ts Load configuration based on environment
|
||||
```ts#Load configuration based on environment
|
||||
const env = process.env.NODE_ENV || "development";
|
||||
const config = await import(`./configs/${env}.yaml`);
|
||||
|
||||
120
docs/benchmarks.md
Normal file
120
docs/benchmarks.md
Normal file
@@ -0,0 +1,120 @@
|
||||
Bun.js focuses on performance, developer experience, and compatibility with the JavaScript ecosystem.
|
||||
|
||||
## HTTP Requests
|
||||
|
||||
```ts
|
||||
// http.ts
|
||||
export default {
|
||||
port: 3000,
|
||||
fetch(request: Request) {
|
||||
return new Response("Hello World");
|
||||
},
|
||||
};
|
||||
|
||||
// bun ./http.ts
|
||||
```
|
||||
|
||||
| Requests per second | OS | CPU | Bun version |
|
||||
| ---------------------------------------------------------------------- | ----- | ------------------------------ | ----------- |
|
||||
| [260,000](https://twitter.com/jarredsumner/status/1512040623200616449) | macOS | Apple Silicon M1 Max | 0.0.76 |
|
||||
| [160,000](https://twitter.com/jarredsumner/status/1511988933587976192) | Linux | AMD Ryzen 5 3600 6-Core 2.2ghz | 0.0.76 |
|
||||
|
||||
{% details summary="See benchmark details" %}
|
||||
Measured with [`http_load_test`](https://github.com/uNetworking/uSockets/blob/master/examples/http_load_test.c) by running:
|
||||
|
||||
```bash
|
||||
$ ./http_load_test 20 127.0.0.1 3000
|
||||
```
|
||||
|
||||
{% /details %}
|
||||
|
||||
## File System
|
||||
|
||||
`cat` clone that runs [2x faster than GNU cat](https://twitter.com/jarredsumner/status/1511707890708586496) for large files on Linux
|
||||
|
||||
```js
|
||||
// cat.js
|
||||
import { resolve } from "path";
|
||||
import { write, stdout, file, argv } from "bun";
|
||||
|
||||
const path = resolve(argv.at(-1));
|
||||
|
||||
await write(
|
||||
// stdout is a Blob
|
||||
stdout,
|
||||
// file(path) returns a Blob - https://developer.mozilla.org/en-US/docs/Web/API/Blob
|
||||
file(path),
|
||||
);
|
||||
```
|
||||
|
||||
Run this with `bun cat.js /path/to/big/file`.
|
||||
|
||||
## Reading from standard input
|
||||
|
||||
```ts
|
||||
for await (const line of console) {
|
||||
// line of text from stdin
|
||||
console.log(line);
|
||||
}
|
||||
```
|
||||
|
||||
## React SSR
|
||||
|
||||
```js
|
||||
import { renderToReadableStream } from "react-dom/server";
|
||||
|
||||
const dt = new Intl.DateTimeFormat();
|
||||
|
||||
export default {
|
||||
port: 3000,
|
||||
async fetch(request: Request) {
|
||||
return new Response(
|
||||
await renderToReadableStream(
|
||||
<html>
|
||||
<head>
|
||||
<title>Hello World</title>
|
||||
</head>
|
||||
<body>
|
||||
<h1>Hello from React!</h1>
|
||||
<p>The date is {dt.format(new Date())}</p>
|
||||
</body>
|
||||
</html>,
|
||||
),
|
||||
);
|
||||
},
|
||||
};
|
||||
```
|
||||
|
||||
Write to stdout with `console.write`:
|
||||
|
||||
```js
|
||||
// no trailing newline
|
||||
// works with strings and typed arrays
|
||||
console.write("Hello World!");
|
||||
```
|
||||
|
||||
There are some more examples in the [examples](./examples) folder.
|
||||
|
||||
PRs adding more examples are very welcome!
|
||||
|
||||
## Fast paths for Web APIs
|
||||
|
||||
Bun.js has fast paths for common use cases that make Web APIs live up to the performance demands of servers and CLIs.
|
||||
|
||||
`Bun.file(path)` returns a [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) that represents a lazily-loaded file.
|
||||
|
||||
When you pass a file blob to `Bun.write`, Bun automatically uses a faster system call:
|
||||
|
||||
```js
|
||||
const blob = Bun.file("input.txt");
|
||||
await Bun.write("output.txt", blob);
|
||||
```
|
||||
|
||||
On Linux, this uses the [`copy_file_range`](https://man7.org/linux/man-pages/man2/copy_file_range.2.html) syscall and on macOS, this becomes `clonefile` (or [`fcopyfile`](https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/copyfile.3.html)).
|
||||
|
||||
`Bun.write` also supports [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response) objects. It automatically converts to a [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob).
|
||||
|
||||
```js
|
||||
// Eventually, this will stream the response to disk but today it buffers
|
||||
await Bun.write("index.html", await fetch("https://example.com"));
|
||||
```
|
||||
42
docs/bun-flavored-toml.md
Normal file
42
docs/bun-flavored-toml.md
Normal file
@@ -0,0 +1,42 @@
|
||||
[TOML](https://toml.io/) is a minimal configuration file format designed to be easy for humans to read.
|
||||
|
||||
Bun implements a TOML parser with a few tweaks designed for better interoperability with INI files and with JavaScript.
|
||||
|
||||
### ; and # are comments
|
||||
|
||||
In Bun-flavored TOML, comments start with `#` or `;`
|
||||
|
||||
```ini
|
||||
# This is a comment
|
||||
; This is also a comment
|
||||
```
|
||||
|
||||
This matches the behavior of INI files.
|
||||
|
||||
In TOML, comments start with `#`
|
||||
|
||||
```toml
|
||||
# This is a comment
|
||||
```
|
||||
|
||||
### String escape characters
|
||||
|
||||
Bun-flavored adds a few more escape sequences to TOML to work better with JavaScript strings.
|
||||
|
||||
```
|
||||
# Bun-flavored TOML extras
|
||||
\x{XX} - ASCII (U+00XX)
|
||||
\u{x+} - unicode (U+0000000X) - (U+XXXXXXXX)
|
||||
\v - vertical tab
|
||||
|
||||
# Regular TOML
|
||||
\b - backspace (U+0008)
|
||||
\t - tab (U+0009)
|
||||
\n - linefeed (U+000A)
|
||||
\f - form feed (U+000C)
|
||||
\r - carriage return (U+000D)
|
||||
\" - quote (U+0022)
|
||||
\\ - backslash (U+005C)
|
||||
\uXXXX - unicode (U+XXXX)
|
||||
\UXXXXXXXX - unicode (U+XXXXXXXX)
|
||||
```
|
||||
@@ -1,465 +0,0 @@
|
||||
---
|
||||
title: Bytecode Caching
|
||||
description: Speed up JavaScript execution with bytecode caching in Bun's bundler
|
||||
---
|
||||
|
||||
Bytecode caching is a build-time optimization that dramatically improves application startup time by pre-compiling your JavaScript to bytecode. For example, when compiling TypeScript's `tsc` with bytecode enabled, startup time improves by **2x**.
|
||||
|
||||
## Usage
|
||||
|
||||
### Basic usage
|
||||
|
||||
Enable bytecode caching with the `--bytecode` flag:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun build ./index.ts --target=bun --bytecode --outdir=./dist
|
||||
```
|
||||
|
||||
This generates two files:
|
||||
|
||||
- `dist/index.js` - Your bundled JavaScript
|
||||
- `dist/index.jsc` - The bytecode cache file
|
||||
|
||||
At runtime, Bun automatically detects and uses the `.jsc` file:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun ./dist/index.js # Automatically uses index.jsc
|
||||
```
|
||||
|
||||
### With standalone executables
|
||||
|
||||
When creating executables with `--compile`, bytecode is embedded into the binary:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun build ./cli.ts --compile --bytecode --outfile=mycli
|
||||
```
|
||||
|
||||
The resulting executable contains both the code and bytecode, giving you maximum performance in a single file.
|
||||
|
||||
### Combining with other optimizations
|
||||
|
||||
Bytecode works great with minification and source maps:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
bun build --compile --bytecode --minify --sourcemap ./cli.ts --outfile=mycli
|
||||
```
|
||||
|
||||
- `--minify` reduces code size before generating bytecode (less code -> less bytecode)
|
||||
- `--sourcemap` preserves error reporting (errors still point to original source)
|
||||
- `--bytecode` eliminates parsing overhead
|
||||
|
||||
## Performance impact
|
||||
|
||||
The performance improvement scales with your codebase size:
|
||||
|
||||
| Application size | Typical startup improvement |
|
||||
| ------------------------- | --------------------------- |
|
||||
| Small CLI (< 100 KB) | 1.5-2x faster |
|
||||
| Medium-large app (> 5 MB) | 2.5x-4x faster |
|
||||
|
||||
Larger applications benefit more because they have more code to parse.
|
||||
|
||||
## When to use bytecode
|
||||
|
||||
### Great for:
|
||||
|
||||
#### CLI tools
|
||||
|
||||
- Invoked frequently (linters, formatters, git hooks)
|
||||
- Startup time is the entire user experience
|
||||
- Users notice the difference between 90ms and 45ms startup
|
||||
- Example: TypeScript compiler, Prettier, ESLint
|
||||
|
||||
#### Build tools and task runners
|
||||
|
||||
- Run hundreds or thousands of times during development
|
||||
- Milliseconds saved per run compound quickly
|
||||
- Developer experience improvement
|
||||
- Example: Build scripts, test runners, code generators
|
||||
|
||||
#### Standalone executables
|
||||
|
||||
- Distributed to users who care about snappy performance
|
||||
- Single-file distribution is convenient
|
||||
- File size less important than startup time
|
||||
- Example: CLIs distributed via npm or as binaries
|
||||
|
||||
### Skip it for:
|
||||
|
||||
- ❌ **Small scripts**
|
||||
- ❌ **Code that runs once**
|
||||
- ❌ **Development builds**
|
||||
- ❌ **Size-constrained environments**
|
||||
- ❌ **Code with top-level await** (not supported)
|
||||
|
||||
## Limitations
|
||||
|
||||
### CommonJS only
|
||||
|
||||
Bytecode caching currently works with CommonJS output format. Bun's bundler automatically converts most ESM code to CommonJS, but **top-level await** is the exception:
|
||||
|
||||
```js
|
||||
// This prevents bytecode caching
|
||||
const data = await fetch("https://api.example.com");
|
||||
export default data;
|
||||
```
|
||||
|
||||
**Why**: Top-level await requires async module evaluation, which can't be represented in CommonJS. The module graph becomes asynchronous, and the CommonJS wrapper function model breaks down.
|
||||
|
||||
**Workaround**: Move async initialization into a function:
|
||||
|
||||
```js
|
||||
async function init() {
|
||||
const data = await fetch("https://api.example.com");
|
||||
return data;
|
||||
}
|
||||
|
||||
export default init;
|
||||
```
|
||||
|
||||
Now the module exports a function that the consumer can await when needed.
|
||||
|
||||
### Version compatibility
|
||||
|
||||
Bytecode is **not portable across Bun versions**. The bytecode format is tied to JavaScriptCore's internal representation, which changes between versions.
|
||||
|
||||
When you update Bun, you must regenerate bytecode:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
# After updating Bun
|
||||
bun build --bytecode ./index.ts --outdir=./dist
|
||||
```
|
||||
|
||||
If bytecode doesn't match the current Bun version, it's automatically ignored and your code falls back to parsing the JavaScript source. Your app still runs - you just lose the performance optimization.
|
||||
|
||||
**Best practice**: Generate bytecode as part of your CI/CD build process. Don't commit `.jsc` files to git. Regenerate them whenever you update Bun.
|
||||
|
||||
### Source code still required
|
||||
|
||||
- The `.js` file (your bundled source code)
|
||||
- The `.jsc` file (the bytecode cache)
|
||||
|
||||
At runtime:
|
||||
|
||||
1. Bun loads the `.js` file, sees a `@bytecode` pragma, and checks the `.jsc` file
|
||||
2. Bun loads the `.jsc` file
|
||||
3. Bun validates the bytecode hash matches the source
|
||||
4. If valid, Bun uses the bytecode
|
||||
5. If invalid, Bun falls back to parsing the source
|
||||
|
||||
### Bytecode is not obfuscation
|
||||
|
||||
Bytecode **does not obscure your source code**. It's an optimization, not a security measure.
|
||||
|
||||
## Production deployment
|
||||
|
||||
### Docker
|
||||
|
||||
Include bytecode generation in your Dockerfile:
|
||||
|
||||
```dockerfile Dockerfile icon="docker"
|
||||
FROM oven/bun:1 AS builder
|
||||
WORKDIR /app
|
||||
COPY package.json bun.lock ./
|
||||
RUN bun install --frozen-lockfile
|
||||
|
||||
COPY . .
|
||||
RUN bun build --bytecode --minify --sourcemap \
|
||||
--target=bun \
|
||||
--outdir=./dist \
|
||||
--compile \
|
||||
./src/server.ts --outfile=./dist/server
|
||||
|
||||
FROM oven/bun:1 AS runner
|
||||
WORKDIR /app
|
||||
COPY --from=builder /dist/server /app/server
|
||||
CMD ["./server"]
|
||||
```
|
||||
|
||||
The bytecode is architecture-independent.
|
||||
|
||||
### CI/CD
|
||||
|
||||
Generate bytecode during your build pipeline:
|
||||
|
||||
```yaml workflow.yml icon="file-code"
|
||||
# GitHub Actions
|
||||
- name: Build with bytecode
|
||||
run: |
|
||||
bun install
|
||||
bun build --bytecode --minify \
|
||||
--outdir=./dist \
|
||||
--target=bun \
|
||||
./src/index.ts
|
||||
```
|
||||
|
||||
## Debugging
|
||||
|
||||
### Verify bytecode is being used
|
||||
|
||||
Check that the `.jsc` file exists:
|
||||
|
||||
```bash terminal icon="terminal"
|
||||
ls -lh dist/
|
||||
```
|
||||
|
||||
```txt
|
||||
-rw-r--r-- 1 user staff 245K index.js
|
||||
-rw-r--r-- 1 user staff 1.1M index.jsc
|
||||
```
|
||||
|
||||
The `.jsc` file should be 2-8x larger than the `.js` file.
|
||||
|
||||
To log if bytecode is being used, set `BUN_JSC_verboseDiskCache=1` in your environment.
|
||||
|
||||
On success, it will log something like:
|
||||
|
||||
```txt
|
||||
[Disk cache] cache hit for sourceCode
|
||||
```
|
||||
|
||||
If you see a cache miss, it will log something like:
|
||||
|
||||
```txt
|
||||
[Disk cache] cache miss for sourceCode
|
||||
```
|
||||
|
||||
It's normal for it it to log a cache miss multiple times since Bun doesn't currently bytecode cache JavaScript code used in builtin modules.
|
||||
|
||||
### Common issues
|
||||
|
||||
**Bytecode silently ignored**: Usually caused by a Bun version update. The cache version doesn't match, so bytecode is rejected. Regenerate to fix.
|
||||
|
||||
**File size too large**: This is expected. Consider:
|
||||
|
||||
- Using `--minify` to reduce code size before bytecode generation
|
||||
- Compressing `.jsc` files for network transfer (gzip/brotli)
|
||||
- Evaluating if the startup performance gain is worth the size increase
|
||||
|
||||
**Top-level await**: Not supported. Refactor to use async initialization functions.
|
||||
|
||||
## What is bytecode?
|
||||
|
||||
When you run JavaScript, the JavaScript engine doesn't execute your source code directly. Instead, it goes through several steps:
|
||||
|
||||
1. **Parsing**: The engine reads your JavaScript source code and converts it into an Abstract Syntax Tree (AST)
|
||||
2. **Bytecode compilation**: The AST is compiled into bytecode - a lower-level representation that's faster to execute
|
||||
3. **Execution**: The bytecode is executed by the engine's interpreter or JIT compiler
|
||||
|
||||
Bytecode is an intermediate representation - it's lower-level than JavaScript source code, but higher-level than machine code. Think of it as assembly language for a virtual machine. Each bytecode instruction represents a single operation like "load this variable," "add two numbers," or "call this function."
|
||||
|
||||
This happens **every single time** you run your code. If you have a CLI tool that runs 100 times a day, your code gets parsed 100 times. If you have a serverless function with frequent cold starts, parsing happens on every cold start.
|
||||
|
||||
With bytecode caching, Bun moves steps 1 and 2 to the build step. At runtime, the engine loads the pre-compiled bytecode and jumps straight to execution.
|
||||
|
||||
### Why lazy parsing makes this even better
|
||||
|
||||
Modern JavaScript engines use a clever optimization called **lazy parsing**. They don't parse all your code upfront - instead, functions are only parsed when they're first called:
|
||||
|
||||
```js
|
||||
// Without bytecode caching:
|
||||
function rarely_used() {
|
||||
// This 500-line function is only parsed
|
||||
// when it's actually called
|
||||
}
|
||||
|
||||
function main() {
|
||||
console.log("Starting app");
|
||||
// rarely_used() is never called, so it's never parsed
|
||||
}
|
||||
```
|
||||
|
||||
This means parsing overhead isn't just a startup cost - it happens throughout your application's lifetime as different code paths execute. With bytecode caching, **all functions are pre-compiled**, even the ones that are lazily parsed. The parsing work happens once at build time instead of being distributed throughout your application's execution.
|
||||
|
||||
## The bytecode format
|
||||
|
||||
### Inside a .jsc file
|
||||
|
||||
A `.jsc` file contains a serialized bytecode structure. Understanding what's inside helps explain both the performance benefits and the file size tradeoff.
|
||||
|
||||
**Header section** (validated on every load):
|
||||
|
||||
- **Cache version**: A hash tied to the JavaScriptCore framework version. This ensures bytecode generated with one version of Bun only runs with that exact version.
|
||||
- **Code block type tag**: Identifies whether this is a Program, Module, Eval, or Function code block.
|
||||
|
||||
**SourceCodeKey** (validates bytecode matches source):
|
||||
|
||||
- **Source code hash**: A hash of the original JavaScript source code. Bun verifies this matches before using the bytecode.
|
||||
- **Source code length**: The exact length of the source, for additional validation.
|
||||
- **Compilation flags**: Critical compilation context like strict mode, whether it's a script vs module, eval context type, etc. The same source code compiled with different flags produces different bytecode.
|
||||
|
||||
**Bytecode instructions**:
|
||||
|
||||
- **Instruction stream**: The actual bytecode opcodes - the compiled representation of your JavaScript. This is a variable-length sequence of bytecode instructions.
|
||||
- **Metadata table**: Each opcode has associated metadata - things like profiling counters, type hints, and execution counts (even if not yet populated).
|
||||
- **Jump targets**: Pre-computed addresses for control flow (if/else, loops, switch statements).
|
||||
- **Switch tables**: Optimized lookup tables for switch statements.
|
||||
|
||||
**Constants and identifiers**:
|
||||
|
||||
- **Constant pool**: All literal values in your code - numbers, strings, booleans, null, undefined. These are stored as actual JavaScript values (JSValues) so they don't need to be parsed from source at runtime.
|
||||
- **Identifier table**: All variable and function names used in the code. Stored as deduplicated strings.
|
||||
- **Source code representation markers**: Flags indicating how constants should be represented (as integers, doubles, big ints, etc.).
|
||||
|
||||
**Function metadata** (for each function in your code):
|
||||
|
||||
- **Register allocation**: How many registers (local variables) the function needs - `thisRegister`, `scopeRegister`, `numVars`, `numCalleeLocals`, `numParameters`.
|
||||
- **Code features**: A bitmask of function characteristics: is it a constructor? an arrow function? does it use `super`? does it have tail calls? These affect how the function is executed.
|
||||
- **Lexically scoped features**: Strict mode and other lexical context.
|
||||
- **Parse mode**: The mode in which the function was parsed (normal, async, generator, async generator).
|
||||
|
||||
**Nested structures**:
|
||||
|
||||
- **Function declarations and expressions**: Each nested function gets its own bytecode block, recursively. A file with 100 functions has 100 separate bytecode blocks, all nested in the structure.
|
||||
- **Exception handlers**: Try/catch/finally blocks with their boundaries and handler addresses pre-computed.
|
||||
- **Expression info**: Maps bytecode positions back to source code locations for error reporting and debugging.
|
||||
|
||||
### What bytecode does NOT contain
|
||||
|
||||
Importantly, **bytecode does not embed your source code**. Instead:
|
||||
|
||||
- The JavaScript source is stored separately (in the `.js` file)
|
||||
- The bytecode only stores a hash and length of the source
|
||||
- At load time, Bun validates the bytecode matches the current source code
|
||||
|
||||
This is why you need to deploy both the `.js` and `.jsc` files. The `.jsc` file is useless without its corresponding `.js` file.
|
||||
|
||||
## The tradeoff: file size
|
||||
|
||||
Bytecode files are significantly larger than source code - typically 2-8x larger.
|
||||
|
||||
### Why is bytecode so much larger?
|
||||
|
||||
**Bytecode instructions are verbose**:
|
||||
A single line of minified JavaScript might compile to dozens of bytecode instructions. For example:
|
||||
|
||||
```js
|
||||
const sum = arr.reduce((a, b) => a + b, 0);
|
||||
```
|
||||
|
||||
Compiles to bytecode that:
|
||||
|
||||
- Loads the `arr` variable
|
||||
- Gets the `reduce` property
|
||||
- Creates the arrow function (which itself has bytecode)
|
||||
- Loads the initial value `0`
|
||||
- Sets up the call with the right number of arguments
|
||||
- Actually performs the call
|
||||
- Stores the result in `sum`
|
||||
|
||||
Each of these steps is a separate bytecode instruction with its own metadata.
|
||||
|
||||
**Constant pools store everything**:
|
||||
Every string literal, number, property name - everything gets stored in the constant pool. Even if your source code has `"hello"` a hundred times, the constant pool stores it once, but the identifier table and constant references add overhead.
|
||||
|
||||
**Per-function metadata**:
|
||||
Each function - even small one-line functions - gets its own complete metadata:
|
||||
|
||||
- Register allocation info
|
||||
- Code features bitmask
|
||||
- Parse mode
|
||||
- Exception handlers
|
||||
- Expression info for debugging
|
||||
|
||||
A file with 1,000 small functions has 1,000 sets of metadata.
|
||||
|
||||
**Profiling data structures**:
|
||||
Even though profiling data isn't populated yet, the _structures_ to hold profiling data are allocated. This includes:
|
||||
|
||||
- Value profile slots (tracking what types flow through each operation)
|
||||
- Array profile slots (tracking array access patterns)
|
||||
- Binary arithmetic profile slots (tracking number types in math operations)
|
||||
- Unary arithmetic profile slots
|
||||
|
||||
These take up space even when empty.
|
||||
|
||||
**Pre-computed control flow**:
|
||||
Jump targets, switch tables, and exception handler boundaries are all pre-computed and stored. This makes execution faster but increases file size.
|
||||
|
||||
### Mitigation strategies
|
||||
|
||||
**Compression**:
|
||||
Bytecode compresses extremely well with gzip/brotli (60-70% compression). The repetitive structure and metadata compress efficiently.
|
||||
|
||||
**Minification first**:
|
||||
Using `--minify` before bytecode generation helps:
|
||||
|
||||
- Shorter identifiers → smaller identifier table
|
||||
- Dead code elimination → less bytecode generated
|
||||
- Constant folding → fewer constants in the pool
|
||||
|
||||
**The tradeoff**:
|
||||
You're trading 2-4x larger files for 2-4x faster startup. For CLIs, this is usually worth it. For long-running servers where a few megabytes of disk space don't matter, it's even less of an issue.
|
||||
|
||||
## Versioning and portability
|
||||
|
||||
### Cross-architecture portability: ✅
|
||||
|
||||
Bytecode is **architecture-independent**. You can:
|
||||
|
||||
- Build on macOS ARM64, deploy to Linux x64
|
||||
- Build on Linux x64, deploy to AWS Lambda ARM64
|
||||
- Build on Windows x64, deploy to macOS ARM64
|
||||
|
||||
The bytecode contains abstract instructions that work on any architecture. Architecture-specific optimizations happen during JIT compilation at runtime, not in the cached bytecode.
|
||||
|
||||
### Cross-version portability: ❌
|
||||
|
||||
Bytecode is **not stable across Bun versions**. Here's why:
|
||||
|
||||
**Bytecode format changes**:
|
||||
JavaScriptCore's bytecode format evolves. New opcodes get added, old ones get removed or changed, metadata structures change. Each version of JavaScriptCore has a different bytecode format.
|
||||
|
||||
**Version validation**:
|
||||
The cache version in the `.jsc` file header is a hash of the JavaScriptCore framework. When Bun loads bytecode:
|
||||
|
||||
1. It extracts the cache version from the `.jsc` file
|
||||
2. It computes the current JavaScriptCore version
|
||||
3. If they don't match, the bytecode is **silently rejected**
|
||||
4. Bun falls back to parsing the `.js` source code
|
||||
|
||||
Your application still runs - you just lose the performance optimization.
|
||||
|
||||
**Graceful degradation**:
|
||||
This design means bytecode caching "fails open" - if anything goes wrong (version mismatch, corrupted file, missing file), your code still runs normally. You might see slower startup, but you won't see errors.
|
||||
|
||||
## Unlinked vs. linked bytecode
|
||||
|
||||
JavaScriptCore makes a crucial distinction between "unlinked" and "linked" bytecode. This separation is what makes bytecode caching possible:
|
||||
|
||||
### Unlinked bytecode (what's cached)
|
||||
|
||||
The bytecode saved in `.jsc` files is **unlinked bytecode**. It contains:
|
||||
|
||||
- The compiled bytecode instructions
|
||||
- Structural information about the code
|
||||
- Constants and identifiers
|
||||
- Control flow information
|
||||
|
||||
But it **doesn't** contain:
|
||||
|
||||
- Pointers to actual runtime objects
|
||||
- JIT-compiled machine code
|
||||
- Profiling data from previous runs
|
||||
- Call link information (which functions call which)
|
||||
|
||||
Unlinked bytecode is **immutable and shareable**. Multiple executions of the same code can all reference the same unlinked bytecode.
|
||||
|
||||
### Linked bytecode (runtime execution)
|
||||
|
||||
When Bun runs bytecode, it "links" it - creating a runtime wrapper that adds:
|
||||
|
||||
- **Call link information**: As your code runs, the engine learns which functions call which and optimizes those call sites.
|
||||
- **Profiling data**: The engine tracks how many times each instruction executes, what types of values flow through the code, array access patterns, etc.
|
||||
- **JIT compilation state**: References to baseline JIT or optimizing JIT (DFG/FTL) compiled versions of hot code.
|
||||
- **Runtime objects**: Pointers to actual JavaScript objects, prototypes, scopes, etc.
|
||||
|
||||
This linked representation is created fresh every time you run your code. This allows:
|
||||
|
||||
1. **Caching the expensive work** (parsing and compilation to unlinked bytecode)
|
||||
2. **Still collecting runtime profiling data** to guide optimizations
|
||||
3. **Still applying JIT optimizations** based on actual execution patterns
|
||||
|
||||
Bytecode caching moves expensive work (parsing and compiling to bytecode) from runtime to build time. For applications that start frequently, this can halve your startup time at the cost of larger files on disk.
|
||||
|
||||
For production CLIs and serverless deployments, the combination of `--bytecode --minify --sourcemap` gives you the best performance while maintaining debuggability.
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user