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Add --import as alias to --preload for nodejs compat (#20523)

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This commit is contained in:
Michael H
2025-06-21 12:58:54 +10:00
committed by GitHub
parent fd91e3de0d
commit 282dda62c8
7 changed files with 89 additions and 27 deletions
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1
test/config/bunfig/fixtures/preload/many/index.ts Normal file
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@@ -0,0 +1 @@
console.log(globalThis.preload);

1
test/config/bunfig/fixtures/preload/many/preload1.ts Normal file
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@@ -0,0 +1 @@
(globalThis.preload ??= []).push("multi/preload1.ts");

1
test/config/bunfig/fixtures/preload/many/preload2.ts Normal file
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@@ -0,0 +1 @@
(globalThis.preload ??= []).push("multi/preload2.ts");

1
test/config/bunfig/fixtures/preload/many/preload3.ts Normal file
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@@ -0,0 +1 @@
(globalThis.preload ??= []).push("multi/preload3.ts");

70
test/config/bunfig/preload.test.ts
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@@ -7,13 +7,17 @@ const fixturePath = (...segs: string[]) => resolve(import.meta.dirname, "fixture
type Opts = {
args?: string[];
cwd?: string;
env?: Record<string, string>;
};
type Out = [stdout: string, stderr: string, exitCode: number];
const run = (file: string, { args = [], cwd }: Opts = {}): Promise<Out> => {
const run = (file: string, { args = [], cwd, env = {} }: Opts = {}): Promise<Out> => {
const res = Bun.spawn([bunExe(), ...args, file], {
cwd,
stdio: ["ignore", "pipe", "pipe"],
env: bunEnv,
env: {
...env,
...bunEnv,
},
} satisfies SpawnOptions.OptionsObject<"ignore", "pipe", "pipe">);
return Promise.all([
@@ -134,3 +138,65 @@ describe("Given a `bunfig.toml` file with a relative path without a leading './'
expect(code).toBe(0);
});
}); // </given a `bunfig.toml` file with a relative path without a leading './'>
describe("Test that all the aliases for --preload work", () => {
const dir = fixturePath("many");
it.each(["--preload=./preload1.ts", "--require=./preload1.ts", "--import=./preload1.ts"])(
"When `bun run` is run with %s, the preload is executed",
async flag => {
const [out, err, code] = await run("index.ts", { args: [flag], cwd: dir });
expect(err).toBeEmpty();
expect(out).toBe('[ "multi/preload1.ts" ]');
expect(code).toBe(0);
},
);
it.each(["1", "2", "3", "4"])(
"When multiple preload flags are used, they execute in order: --preload, --require, --import (#%s)",
async i => {
let args: string[] = [];
if (i === "1") args = ["--preload", "./preload1.ts", "--require", "./preload2.ts", "--import", "./preload3.ts"];
if (i === "2") args = ["--import", "./preload3.ts", "--preload=./preload1.ts", "--require", "./preload2.ts"];
if (i === "3") args = ["--require", "./preload2.ts", "--import", "./preload3.ts", "--preload", "./preload1.ts"];
if (i === "4") args = ["--require", "./preload1.ts", "--import", "./preload3.ts", "--require", "./preload2.ts"];
const [out, err, code] = await run("index.ts", { args, cwd: dir });
expect(err).toBeEmpty();
expect(out).toBe('[ "multi/preload1.ts", "multi/preload2.ts", "multi/preload3.ts" ]');
expect(code).toBe(0);
},
);
it("Duplicate preload flags are only executed once", async () => {
const args = ["--preload", "./preload1.ts", "--require", "./preload1.ts", "--import", "./preload1.ts"];
const [out, err, code] = await run("index.ts", { args, cwd: dir });
expect(err).toBeEmpty();
expect(out).toBe('[ "multi/preload1.ts" ]');
expect(code).toBe(0);
});
it("Test double preload flags", async () => {
const dir = fixturePath("many");
const args = [
"--preload",
"./preload1.ts",
"--preload=./preload2.ts",
"--preload",
"./preload3.ts",
"-r",
"./preload3.ts",
];
const [out, err, code] = await run("index.ts", { args, cwd: dir });
expect(err).toBeEmpty();
expect(out).toMatchInlineSnapshot(`"[ "multi/preload1.ts", "multi/preload2.ts", "multi/preload3.ts" ]"`);
expect(code).toBe(0);
});
}); // </Test that all the aliases for --preload work>
test("Test BUN_INSPECT_PRELOAD is used to set preloads", async () => {
const dir = fixturePath("many");
const [out, err, code] = await run("index.ts", { args: [], cwd: dir, env: { BUN_INSPECT_PRELOAD: "./preload1.ts" } });
expect(err).toBeEmpty();
expect(out).toMatchInlineSnapshot(`"[ "multi/preload1.ts" ]"`);
expect(code).toBe(0);
}); // </Test BUN_INSPECT_PRELOAD is used to set preloads>