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f21d48bc0a
This internal node hook is used by libraries such as `ts-node` when used
as a require hook `node -r ts-node/register`. That combination is often
used with test frameworks like `mocha` or `jasmine`.
We had a reference to `Module._preloadModules` in our code, but the
implementation was missing. While fixing this I also noticed that the
`fakeParent` module that we create internally always threw because of
the `pathDirname` check on the module id in the constructor of `Mdoule`.
So this code path was probably broken for a while.
```txt
✖ ERROR: Error: Empty filepath.
at pathDirname (ext:deno_node/01_require.js:245:11)
at new Module (ext:deno_node/01_require.js:446:15)
at Function.Module._resolveFilename (ext:deno_node/01_require.js:754:28)
at Function.resolve (ext:deno_node/01_require.js:1015:19)
```
14 lines
536 B
TypeScript
14 lines
536 B
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import { Module } from "node:module";
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import { assertStrictEquals } from "../../../test_util/std/testing/asserts.ts";
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Deno.test("[node/module _preloadModules] has internal require hook", () => {
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// Check if it's there
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// deno-lint-ignore no-explicit-any
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(Module as any)._preloadModules([
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"./cli/tests/unit_node/testdata/add_global_property.js",
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]);
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// deno-lint-ignore no-explicit-any
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assertStrictEquals((globalThis as any).foo, "Hello");
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});
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