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Make Jest transform @react-native-community packages by default (#24294)

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Summary:
Currently, `react-native` Jest preset will not automatically transpile extracted Lean Core modules (all under `react-native-community` org), so maintainers will likely need to update their docs on how to do that (it's a common pain in RN testing story).

We can make it easier for users and maintainers by adding RNC modules to the `transformIgnorePatterns` whitelist we have in Jest preset. Some of them are not necessary to transpile, but I'd say it's a small sacrifice to make (having first test run possibly slower) for having less friction around migrating to extracted modules.

[General] [Added] - make Jest transform react-native-community/ packages by default
Pull Request resolved: https://github.com/facebook/react-native/pull/24294

Differential Revision: D14748962

Pulled By: cpojer

fbshipit-source-id: 36300ee021f03b8c13275a6e0cf28d988ee5beba
This commit is contained in:
Michał Pierzchała 2019-04-03 09:07:07 -07:00 committed by Mike Grabowski
parent dc25f209d7
commit 17292c9db2
1 changed files with 3 additions and 1 deletions
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4
jest-preset.js
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@ -28,7 +28,9 @@ module.exports = {
'./jest/assetFileTransformer.js', './jest/assetFileTransformer.js',
), ),
}, },
transformIgnorePatterns: ['node_modules/(?!(jest-)?react-native)'], transformIgnorePatterns: [
'node_modules/(?!(jest-)?react-native|@react-native-community)',
],
setupFiles: [require.resolve('./jest/setup.js')], setupFiles: [require.resolve('./jest/setup.js')],
testEnvironment: 'node', testEnvironment: 'node',
}; };