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Jest: Ignore CSS files while running tests

by Ola Ajibode | Dec 12, 2018 | General | 0 comments

Written By Ola Ajibode

To ensure Jest ignores CSS files when running tests, simply follow the steps below:

Install a module: `identity-obj-proxy`

npm install -D identity-obj-proxy

2. Update your jest config(jest.config.json)

{
  "jest":{
     "moduleNameMapper": {
      "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "/__mocks__/fileMock.js",
      "\\.(css|less|scss|sass)$": "identity-obj-proxy"
    },
  }
}

Now run your tests again. You should not see failures due to CSS files anymore.

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Written By Ola Ajibode

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