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Jest transforms CJS packages, nested in ESM packages #10674

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Antreesy opened this issue Oct 10, 2023 · 0 comments
Open

Jest transforms CJS packages, nested in ESM packages #10674

Antreesy opened this issue Oct 10, 2023 · 0 comments
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1. to develop feature: frontend 🖌️ "Web UI" client javascript
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💔 Backlog

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@Antreesy
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Antreesy commented Oct 10, 2023 •
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spreed/jest.config.js

Line 56 in a7c1ed7

`<rootDir>/node_modules/(?!(?:.*\\/node_modules\\/)?(?:${ignorePatterns.join('|')}))`, 

	transformIgnorePatterns: [
		`<rootDir>/node_modules/(?!(?:.*\\/node_modules\\/)?(?:${ignorePatterns.join('|')}))`,
	],

This RegExp still has a false negative. Like
/node_modules/ESM_PACKAGE/node_modules/CJS_PACKAGE/index.js
will NOT be ignored because it is inside ESM, while it should be, it's CJS.

Originally posted by @ShGKme in #10626 (comment)
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