48 lines
1.8 KiB
TypeScript
48 lines
1.8 KiB
TypeScript
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import { describe, expect, test } from "bun:test";
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import { mkdirSync } from "fs";
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import { bunEnv, bunExe, tempDir, tmpdirSync } from "harness";
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import { join } from "path";
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describe.concurrent("run-cjs", () => {
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test("running a commonjs module works", async () => {
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const dir = tmpdirSync();
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mkdirSync(dir, { recursive: true });
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await Bun.write(join(dir, "index1.js"), "module.exports = 1; console.log('hello world');");
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await using proc = Bun.spawn({
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cmd: [bunExe(), join(dir, "index1.js")],
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cwd: dir,
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env: bunEnv,
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stdout: "pipe",
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});
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const stdout = await proc.stdout.text();
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expect(stdout).toEqual("hello world\n");
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});
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test("a pre-bundled entry point still consults require.extensions", async () => {
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// `bun build --target=bun --format=cjs` emits this header, and the `// @bun`
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// pragma makes the parser hand the source straight to JSC without printing
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// it. That must not change how the modules this entry loads are resolved.
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using dir = tempDir("run-cjs-bundled-entry", {
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"entry.cjs": `// @bun @bun-cjs
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(function(exports, require, module, __filename, __dirname) {
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require.extensions[".data"] = (module, filename) => {
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module.exports = "custom-loader";
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};
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console.log(require("./asset.data"));
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})`,
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// If the custom loader is skipped, this is transpiled as JS/TS instead.
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"asset.data": `module.exports = "default-loader";`,
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});
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await using proc = Bun.spawn({
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cmd: [bunExe(), "entry.cjs"],
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cwd: String(dir),
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env: bunEnv,
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stdout: "pipe",
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stderr: "pipe",
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});
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const [stdout, stderr, exitCode] = await Promise.all([proc.stdout.text(), proc.stderr.text(), proc.exited]);
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expect({ stdout, stderr, exitCode }).toMatchObject({ stdout: "custom-loader\n", exitCode: 0 });
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});
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});
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