mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 18:38:55 +00:00
369e3022e4
* chore: upgrade zig to 0.12.0-dev.1828+225fe6ddb * open as iterable * fix building identifier cache * fix windows build * fix linux build * fix linux build
667 lines
25 KiB
Zig
667 lines
25 KiB
Zig
const options = @import("./options.zig");
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const bun = @import("root").bun;
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const string = bun.string;
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const Output = bun.Output;
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const Global = bun.Global;
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const Environment = bun.Environment;
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const strings = bun.strings;
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const MutableString = bun.MutableString;
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const stringZ = bun.stringZ;
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const default_allocator = bun.default_allocator;
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const C = bun.C;
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const std = @import("std");
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const resolve_path = @import("./resolver/resolve_path.zig");
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const Fs = @import("./fs.zig");
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const Schema = @import("./api/schema.zig");
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const Ref = @import("ast/base.zig").Ref;
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const JSAst = bun.JSAst;
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const content = @import("root").content;
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// packages/bun-cli-*/bun
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const BUN_ROOT = "../../";
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const Api = Schema.Api;
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fn embedDebugFallback(comptime msg: []const u8, comptime code: []const u8) []const u8 {
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const FallbackMessage = struct {
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pub var has_printed = false;
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};
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if (!FallbackMessage.has_printed) {
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FallbackMessage.has_printed = true;
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Output.debug(msg, .{});
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}
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return code;
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}
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pub const ErrorCSS = struct {
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pub inline fn sourceContent() string {
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if (comptime Environment.isDebug) {
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var out_buffer: [bun.MAX_PATH_BYTES]u8 = undefined;
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const dirname = std.fs.selfExeDirPath(&out_buffer) catch unreachable;
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var paths = [_]string{ dirname, BUN_ROOT, content.error_css_path };
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const file = std.fs.cwd().openFile(
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resolve_path.joinAbsString(dirname, &paths, .auto),
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.{ .mode = .read_only },
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) catch return embedDebugFallback(
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"Missing packages/bun-error/bun-error.css. Please run \"make bun_error\"",
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content.error_css,
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);
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defer file.close();
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return file.readToEndAlloc(default_allocator, file.getEndPos() catch 0) catch unreachable;
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} else {
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return content.error_css;
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}
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}
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};
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pub const ReactRefresh = @embedFile("./react-refresh.js");
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pub const ErrorJS = struct {
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pub inline fn sourceContent() string {
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if (comptime Environment.isDebug) {
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var out_buffer: [bun.MAX_PATH_BYTES]u8 = undefined;
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const dirname = std.fs.selfExeDirPath(&out_buffer) catch unreachable;
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var paths = [_]string{ dirname, BUN_ROOT, content.error_js_path };
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const file = std.fs.cwd().openFile(
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resolve_path.joinAbsString(dirname, &paths, .auto),
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.{ .mode = .read_only },
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) catch return embedDebugFallback(
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"Missing " ++ content.error_js_path ++ ". Please run \"make bun_error\"",
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content.error_js,
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);
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defer file.close();
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return file.readToEndAlloc(default_allocator, file.getEndPos() catch 0) catch unreachable;
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} else {
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return content.error_js;
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}
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}
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};
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pub const Fallback = struct {
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pub const ProdSourceContent = @embedFile("./fallback.out.js");
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pub const HTMLTemplate = @embedFile("./fallback.html");
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pub const HTMLBackendTemplate = @embedFile("./fallback-backend.html");
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const Base64FallbackMessage = struct {
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msg: *const Api.FallbackMessageContainer,
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allocator: std.mem.Allocator,
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pub fn format(this: Base64FallbackMessage, comptime _: []const u8, _: std.fmt.FormatOptions, writer: anytype) !void {
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var bb = std.ArrayList(u8).init(this.allocator);
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defer bb.deinit();
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const bb_writer = bb.writer();
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const Encoder = Schema.Writer(@TypeOf(bb_writer));
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var encoder = Encoder.init(bb_writer);
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this.msg.encode(&encoder) catch {};
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Base64Encoder.encode(bb.items, @TypeOf(writer), writer) catch {};
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}
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pub const Base64Encoder = struct {
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const alphabet_chars = std.base64.standard_alphabet_chars;
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pub fn encode(source: []const u8, comptime Writer: type, writer: Writer) !void {
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var acc: u12 = 0;
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var acc_len: u4 = 0;
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for (source) |v| {
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acc = (acc << 8) + v;
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acc_len += 8;
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while (acc_len >= 6) {
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acc_len -= 6;
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try writer.writeByte(alphabet_chars[@as(u6, @truncate((acc >> acc_len)))]);
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}
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}
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if (acc_len > 0) {
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try writer.writeByte(alphabet_chars[@as(u6, @truncate((acc << 6 - acc_len)))]);
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}
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}
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};
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};
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pub inline fn scriptContent() string {
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if (comptime Environment.isDebug) {
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const dirpath = comptime bun.Environment.base_path ++ std.fs.path.dirname(@src().file).?;
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var env = std.process.getEnvMap(default_allocator) catch unreachable;
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const dir = std.mem.replaceOwned(
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u8,
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default_allocator,
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dirpath,
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"jarred",
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env.get("USER").?,
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) catch unreachable;
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const runtime_path = std.fs.path.join(default_allocator, &[_]string{ dir, "fallback.out.js" }) catch unreachable;
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const file = std.fs.openFileAbsolute(runtime_path, .{}) catch return embedDebugFallback(
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"Missing bun/src/fallback.out.js. " ++ "Please run \"make fallback_decoder\"",
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ProdSourceContent,
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);
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defer file.close();
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return file.readToEndAlloc(default_allocator, file.getEndPos() catch 0) catch unreachable;
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} else {
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return ProdSourceContent;
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}
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}
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pub const version_hash = @import("build_options").fallback_html_version;
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var version_hash_int: u32 = 0;
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pub fn versionHash() u32 {
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if (version_hash_int == 0) {
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version_hash_int = @as(u32, @truncate(std.fmt.parseInt(u64, version(), 16) catch unreachable));
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}
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return version_hash_int;
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}
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pub fn version() string {
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return version_hash;
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}
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pub fn render(
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allocator: std.mem.Allocator,
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msg: *const Api.FallbackMessageContainer,
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preload: string,
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entry_point: string,
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comptime WriterType: type,
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writer: WriterType,
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) !void {
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const PrintArgs = struct {
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blob: Base64FallbackMessage,
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preload: string,
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fallback: string,
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entry_point: string,
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};
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try writer.print(HTMLTemplate, PrintArgs{
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.blob = Base64FallbackMessage{ .msg = msg, .allocator = allocator },
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.preload = preload,
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.fallback = scriptContent(),
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.entry_point = entry_point,
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});
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}
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pub fn renderBackend(
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allocator: std.mem.Allocator,
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msg: *const Api.FallbackMessageContainer,
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comptime WriterType: type,
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writer: WriterType,
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) !void {
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const PrintArgs = struct {
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blob: Base64FallbackMessage,
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bun_error_css: string,
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bun_error: string,
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fallback: string,
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bun_error_page_css: string,
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};
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try writer.print(HTMLBackendTemplate, PrintArgs{
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.blob = Base64FallbackMessage{ .msg = msg, .allocator = allocator },
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.bun_error_css = ErrorCSS.sourceContent(),
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.bun_error = ErrorJS.sourceContent(),
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.bun_error_page_css = "",
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.fallback = scriptContent(),
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});
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}
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};
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pub const Runtime = struct {
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pub const ProdSourceContent = @embedFile("./runtime.out.js");
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pub const ProdSourceContentNode = @embedFile("./runtime.node.out.js");
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pub const ProdSourceContentBun = @embedFile("./runtime.bun.out.js");
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pub const ProdSourceContentWithRefresh = @embedFile("./runtime.out.refresh.js");
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pub inline fn sourceContentWithoutRefresh() string {
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if (comptime Environment.isDebug) {
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const dirpath = comptime bun.Environment.base_path ++ std.fs.path.dirname(@src().file).?;
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var env = std.process.getEnvMap(default_allocator) catch unreachable;
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const dir = std.mem.replaceOwned(
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u8,
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default_allocator,
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dirpath,
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"jarred",
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env.get("USER").?,
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) catch unreachable;
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const runtime_path = std.fs.path.join(default_allocator, &[_]string{ dir, "runtime.out.js" }) catch unreachable;
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const file = std.fs.openFileAbsolute(runtime_path, .{}) catch return embedDebugFallback(
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"Missing bun/src/runtime.out.js. " ++ "Please run \"make runtime_js_dev\"",
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ProdSourceContent,
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);
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defer file.close();
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return file.readToEndAlloc(default_allocator, file.getEndPos() catch 0) catch unreachable;
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} else {
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return ProdSourceContent;
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}
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}
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pub inline fn sourceContent(with_refresh: bool) string {
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if (with_refresh) return sourceContentWithRefresh();
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return sourceContentWithoutRefresh();
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}
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pub inline fn sourceContentNode() string {
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return ProdSourceContentNode;
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}
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pub inline fn sourceContentBun() string {
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return ProdSourceContentBun;
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}
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pub inline fn sourceContentWithRefresh() string {
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if (comptime Environment.isDebug) {
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const dirpath = comptime bun.Environment.base_path ++ std.fs.path.dirname(@src().file).?;
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var env = std.process.getEnvMap(default_allocator) catch unreachable;
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const dir = std.mem.replaceOwned(
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u8,
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default_allocator,
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dirpath,
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"jarred",
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env.get("USER").?,
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) catch unreachable;
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const runtime_path = std.fs.path.join(default_allocator, &[_]string{ dir, "runtime.out.refresh.js" }) catch unreachable;
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const file = std.fs.openFileAbsolute(runtime_path, .{}) catch return embedDebugFallback(
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"Missing bun/src/runtime.out.refresh.js. " ++ "Please run \"make runtime_js_dev\"",
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ProdSourceContentWithRefresh,
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);
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defer file.close();
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return file.readToEndAlloc(default_allocator, file.getEndPos() catch 0) catch unreachable;
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} else {
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return ProdSourceContentWithRefresh;
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}
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}
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pub const version_hash = @import("build_options").runtime_js_version;
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var version_hash_int: u32 = 0;
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pub fn versionHash() u32 {
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if (version_hash_int == 0) {
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version_hash_int = @as(u32, @truncate(version_hash));
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}
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return version_hash_int;
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}
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pub const Features = struct {
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react_fast_refresh: bool = false,
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hot_module_reloading: bool = false,
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is_macro_runtime: bool = false,
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top_level_await: bool = false,
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auto_import_jsx: bool = false,
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allow_runtime: bool = true,
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inlining: bool = false,
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inject_jest_globals: bool = false,
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no_macros: bool = false,
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commonjs_named_exports: bool = true,
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minify_syntax: bool = false,
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minify_identifiers: bool = false,
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dead_code_elimination: bool = true,
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set_breakpoint_on_first_line: bool = false,
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/// Instead of jsx("div", {}, void 0)
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/// ->
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/// {
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/// "type": "div",
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/// "props": {},
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/// "children": [],
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/// key: void 0,
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/// $$typeof: Symbol.for("react.element"),
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/// }
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/// See also https://github.com/babel/babel/commit/3cad2872335e2130f2ff6335027617ebbe9b5a46
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/// See also https://github.com/babel/babel/pull/2972
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/// See also https://github.com/facebook/react/issues/5138
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jsx_optimization_inline: bool = false,
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jsx_optimization_hoist: bool = false,
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trim_unused_imports: bool = false,
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should_fold_typescript_constant_expressions: bool = false,
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/// Use `import.meta.require()` instead of require()?
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/// This is only supported in Bun.
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dynamic_require: bool = false,
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replace_exports: ReplaceableExport.Map = .{},
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dont_bundle_twice: bool = false,
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/// This is a list of packages which even when require() is used, we will
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/// instead convert to ESM import statements.
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///
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/// This is not normally a safe transformation.
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///
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/// So we have a list of packages which we know are safe to do this with.
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unwrap_commonjs_packages: []const string = &.{},
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commonjs_at_runtime: bool = false,
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emit_decorator_metadata: bool = false,
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runtime_transpiler_cache: ?*bun.JSC.RuntimeTranspilerCache = null,
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const hash_fields_for_runtime_transpiler = .{
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.top_level_await,
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.auto_import_jsx,
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.allow_runtime,
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.inlining,
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.commonjs_named_exports,
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.minify_syntax,
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.minify_identifiers,
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.dead_code_elimination,
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.set_breakpoint_on_first_line,
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.trim_unused_imports,
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.should_fold_typescript_constant_expressions,
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.dynamic_require,
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.dont_bundle_twice,
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.commonjs_at_runtime,
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.emit_decorator_metadata,
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// note that we do not include .inject_jest_globals, as we bail out of the cache entirely if this is true
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};
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pub fn hashForRuntimeTranspiler(this: *const Features, hasher: *std.hash.Wyhash) void {
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std.debug.assert(this.runtime_transpiler_cache != null);
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var bools: [std.meta.fieldNames(@TypeOf(hash_fields_for_runtime_transpiler)).len]bool = undefined;
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inline for (hash_fields_for_runtime_transpiler, 0..) |field, i| {
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bools[i] = @field(this, @tagName(field));
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}
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hasher.update(std.mem.asBytes(&bools));
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}
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pub fn shouldUnwrapRequire(this: *const Features, package_name: string) bool {
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return package_name.len > 0 and strings.indexEqualAny(this.unwrap_commonjs_packages, package_name) != null;
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}
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pub const ReplaceableExport = union(enum) {
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delete: void,
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replace: JSAst.Expr,
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inject: struct {
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name: string,
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value: JSAst.Expr,
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},
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pub const Map = bun.StringArrayHashMapUnmanaged(ReplaceableExport);
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};
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};
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pub const Names = struct {
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pub const ActivateFunction = "activate";
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};
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pub const GeneratedSymbol = struct {
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primary: Ref,
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backup: Ref,
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ref: Ref,
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};
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// If you change this, remember to update "runtime.footer.js" and rebuild the runtime.js
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pub const Imports = struct {
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__name: ?GeneratedSymbol = null,
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__toModule: ?GeneratedSymbol = null,
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__cJS2eSM: ?GeneratedSymbol = null,
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__require: ?GeneratedSymbol = null,
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__export: ?GeneratedSymbol = null,
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__reExport: ?GeneratedSymbol = null,
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__load: ?GeneratedSymbol = null,
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@"$$m": ?GeneratedSymbol = null,
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@"$$lzy": ?GeneratedSymbol = null,
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__HMRModule: ?GeneratedSymbol = null,
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__HMRClient: ?GeneratedSymbol = null,
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__FastRefreshModule: ?GeneratedSymbol = null,
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__exportValue: ?GeneratedSymbol = null,
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__exportDefault: ?GeneratedSymbol = null,
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__FastRefreshRuntime: ?GeneratedSymbol = null,
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__merge: ?GeneratedSymbol = null,
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__legacyDecorateClassTS: ?GeneratedSymbol = null,
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__legacyDecorateParamTS: ?GeneratedSymbol = null,
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__legacyMetadataTS: ?GeneratedSymbol = null,
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@"$$typeof": ?GeneratedSymbol = null,
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pub const all = [_][]const u8{
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// __HMRClient goes first
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// This is so we can call Bun.activate(true) as soon as possible
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"__HMRClient",
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"__name",
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"__toModule",
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"__require",
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"__cJS2eSM",
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"__export",
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"__reExport",
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"__load",
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"$$m",
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"$$lzy",
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"__HMRModule",
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"__FastRefreshModule",
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"__exportValue",
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"__exportDefault",
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"__FastRefreshRuntime",
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"__merge",
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"__legacyDecorateClassTS",
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"__legacyDecorateParamTS",
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"__legacyMetadataTS",
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"$$typeof",
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};
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const all_sorted: [all.len]string = brk: {
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@setEvalBranchQuota(1000000);
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var list = all;
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const Sorter = struct {
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fn compare(_: void, a: []const u8, b: []const u8) bool {
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return std.mem.order(u8, a, b) == .lt;
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}
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};
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std.sort.pdq(string, &list, {}, Sorter.compare);
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break :brk list;
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};
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/// When generating the list of runtime imports, we sort it for determinism.
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/// This is a lookup table so we don't need to resort the strings each time
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pub const all_sorted_index = brk: {
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var out: [all.len]usize = undefined;
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for (all, 0..) |name, i| {
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for (all_sorted, 0..) |cmp, j| {
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if (strings.eqlComptime(name, cmp)) {
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out[i] = j;
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break;
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}
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}
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}
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break :brk out;
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};
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pub const Name = "bun:wrap";
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pub const alt_name = "bun:wrap";
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pub const Iterator = struct {
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i: usize = 0,
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runtime_imports: *Imports,
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const Entry = struct {
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key: u16,
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value: Ref,
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};
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pub fn next(this: *Iterator) ?Entry {
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while (this.i < all.len) {
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defer this.i += 1;
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switch (this.i) {
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0 => {
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if (@field(this.runtime_imports, all[0])) |val| {
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return Entry{ .key = 0, .value = val.ref };
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}
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},
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1 => {
|
|
if (@field(this.runtime_imports, all[1])) |val| {
|
|
return Entry{ .key = 1, .value = val.ref };
|
|
}
|
|
},
|
|
2 => {
|
|
if (@field(this.runtime_imports, all[2])) |val| {
|
|
return Entry{ .key = 2, .value = val.ref };
|
|
}
|
|
},
|
|
3 => {
|
|
if (@field(this.runtime_imports, all[3])) |val| {
|
|
return Entry{ .key = 3, .value = val.ref };
|
|
}
|
|
},
|
|
4 => {
|
|
if (@field(this.runtime_imports, all[4])) |val| {
|
|
return Entry{ .key = 4, .value = val.ref };
|
|
}
|
|
},
|
|
5 => {
|
|
if (@field(this.runtime_imports, all[5])) |val| {
|
|
return Entry{ .key = 5, .value = val.ref };
|
|
}
|
|
},
|
|
6 => {
|
|
if (@field(this.runtime_imports, all[6])) |val| {
|
|
return Entry{ .key = 6, .value = val.ref };
|
|
}
|
|
},
|
|
7 => {
|
|
if (@field(this.runtime_imports, all[7])) |val| {
|
|
return Entry{ .key = 7, .value = val.ref };
|
|
}
|
|
},
|
|
8 => {
|
|
if (@field(this.runtime_imports, all[8])) |val| {
|
|
return Entry{ .key = 8, .value = val.ref };
|
|
}
|
|
},
|
|
9 => {
|
|
if (@field(this.runtime_imports, all[9])) |val| {
|
|
return Entry{ .key = 9, .value = val.ref };
|
|
}
|
|
},
|
|
10 => {
|
|
if (@field(this.runtime_imports, all[10])) |val| {
|
|
return Entry{ .key = 10, .value = val.ref };
|
|
}
|
|
},
|
|
11 => {
|
|
if (@field(this.runtime_imports, all[11])) |val| {
|
|
return Entry{ .key = 11, .value = val.ref };
|
|
}
|
|
},
|
|
12 => {
|
|
if (@field(this.runtime_imports, all[12])) |val| {
|
|
return Entry{ .key = 12, .value = val.ref };
|
|
}
|
|
},
|
|
13 => {
|
|
if (@field(this.runtime_imports, all[13])) |val| {
|
|
return Entry{ .key = 13, .value = val.ref };
|
|
}
|
|
},
|
|
14 => {
|
|
if (@field(this.runtime_imports, all[14])) |val| {
|
|
return Entry{ .key = 14, .value = val.ref };
|
|
}
|
|
},
|
|
15 => {
|
|
if (@field(this.runtime_imports, all[15])) |val| {
|
|
return Entry{ .key = 15, .value = val.ref };
|
|
}
|
|
},
|
|
16 => {
|
|
if (@field(this.runtime_imports, all[16])) |val| {
|
|
return Entry{ .key = 16, .value = val.ref };
|
|
}
|
|
},
|
|
17 => {
|
|
if (@field(this.runtime_imports, all[17])) |val| {
|
|
return Entry{ .key = 17, .value = val.ref };
|
|
}
|
|
},
|
|
18 => {
|
|
if (@field(this.runtime_imports, all[18])) |val| {
|
|
return Entry{ .key = 18, .value = val.ref };
|
|
}
|
|
},
|
|
19 => {
|
|
if (@field(this.runtime_imports, all[19])) |val| {
|
|
return Entry{ .key = 19, .value = val.ref };
|
|
}
|
|
},
|
|
else => {
|
|
return null;
|
|
},
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
};
|
|
|
|
pub fn iter(imports: *Imports) Iterator {
|
|
return Iterator{ .runtime_imports = imports };
|
|
}
|
|
|
|
pub fn contains(imports: *const Imports, comptime key: string) bool {
|
|
return @field(imports, key) != null;
|
|
}
|
|
|
|
pub fn hasAny(imports: *const Imports) bool {
|
|
inline for (all) |field| {
|
|
if (@field(imports, field) != null) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
pub fn put(imports: *Imports, comptime key: string, generated_symbol: GeneratedSymbol) void {
|
|
@field(imports, key) = generated_symbol;
|
|
}
|
|
|
|
pub fn at(
|
|
imports: *Imports,
|
|
comptime key: string,
|
|
) ?Ref {
|
|
return (@field(imports, key) orelse return null).ref;
|
|
}
|
|
|
|
pub fn get(
|
|
imports: *const Imports,
|
|
key: anytype,
|
|
) ?Ref {
|
|
return switch (key) {
|
|
0 => (@field(imports, all[0]) orelse return null).ref,
|
|
1 => (@field(imports, all[1]) orelse return null).ref,
|
|
2 => (@field(imports, all[2]) orelse return null).ref,
|
|
3 => (@field(imports, all[3]) orelse return null).ref,
|
|
4 => (@field(imports, all[4]) orelse return null).ref,
|
|
5 => (@field(imports, all[5]) orelse return null).ref,
|
|
6 => (@field(imports, all[6]) orelse return null).ref,
|
|
7 => (@field(imports, all[7]) orelse return null).ref,
|
|
8 => (@field(imports, all[8]) orelse return null).ref,
|
|
9 => (@field(imports, all[9]) orelse return null).ref,
|
|
10 => (@field(imports, all[10]) orelse return null).ref,
|
|
11 => (@field(imports, all[11]) orelse return null).ref,
|
|
12 => (@field(imports, all[12]) orelse return null).ref,
|
|
13 => (@field(imports, all[13]) orelse return null).ref,
|
|
14 => (@field(imports, all[14]) orelse return null).ref,
|
|
15 => (@field(imports, all[15]) orelse return null).ref,
|
|
16 => (@field(imports, all[16]) orelse return null).ref,
|
|
17 => (@field(imports, all[17]) orelse return null).ref,
|
|
18 => (@field(imports, all[18]) orelse return null).ref,
|
|
19 => (@field(imports, all[19]) orelse return null).ref,
|
|
else => null,
|
|
};
|
|
}
|
|
|
|
pub fn count(imports: *const Imports) usize {
|
|
var i: usize = 0;
|
|
|
|
inline for (all) |field| {
|
|
if (@field(imports, field) != null) {
|
|
i += 1;
|
|
}
|
|
}
|
|
|
|
return i;
|
|
}
|
|
};
|
|
};
|