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Fix mocking assets with special characters in the file path #584

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Sep 10, 2016
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Fix mocking assets with special characters in the file path #584

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4 changes: 2 additions & 2 deletions scripts/utils/createJestConfig.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,8 @@ module.exports = (resolve, rootDir) => {
const config = {
moduleFileExtensions: ['jsx', 'js', 'json'],
moduleNameMapper: {
'^[./a-zA-Z0-9$_-]+\\.(jpg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm)$': resolve('config/jest/FileStub.js'),
'^[./a-zA-Z0-9$_-]+\\.css$': resolve('config/jest/CSSStub.js')
'^.+\\.(jpg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm)$': resolve('config/jest/FileStub.js'),
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If you are going to ignore everything before the end, you can just omit ^.+ altogether and just write \\.css$

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That's a good idea. However, turns out the files don't get stubbed, if I change this to \\.css$. This looks like a possible bug in Jest to me (unless it's only supposed to work with regexes that match the whole path). When given a non-anchored regex, this line doesn't replace the module name correctly.

I suggest that we merge this PR as-is, with the anchored regex, and we can open an issue in Jest about regexes like \\.css$ not working correctly.

'^.+\\.css$': resolve('config/jest/CSSStub.js')
},
scriptPreprocessor: resolve('config/jest/transform.js'),
setupFiles: setupFiles,
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