First class support for CRA #102
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| '^(?!.*\\.(js|jsx|mjs|cjs|ts|tsx|css|json)$)': | ||
| 'jest-preview/transforms/fileCRA', | ||
| }; | ||
| jestConfig.transformIgnorePatterns = |
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Should we do a check first to ensure transformIgnorePatterns is an array and not nullish?
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No need since we are targeting un-ejected CRA apps. See other comments for more details
cli/configCra.js
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| (/** @type {string} */ pattern) => | ||
| pattern !== '^.+\\.module\\.(css|sass|scss)$', | ||
| ); | ||
| try { |
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IMO a check (if statement) is better than a try-catch block
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I agree. However, actually, Since I explained that jest-preview config-cra target user with un-ejected app. So we don't even need to use try catch for the simplicity of source code.
We can check more strictly when developing jest-preview config
| null, | ||
| true, | ||
| ); | ||
| jestConfig.transform = { |
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Should we add these keys to the existing transform instead of overwriting transform like this?
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No. This is intentional. We would like to remove '^.+\\.css$'. Without removing this, it causes some issues that makes Sass not work in #101
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@thanhsonng
The idea of The reason is after ejected, they can customize everything they want, we cannot provide a CLI that work with both un-ejected and ejected CRA. For example:
I think you want to support users who just ejected CRA without changing too much. But I don't think the common case, since after they ejected, they can do-whatever-they-want and we cannot anticipate that. But I agree with you about a universal CLI, which tries to do its best to support users setup Jest Preview easier. it can be jest-preview config instead of For now |
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@thanhsonng I'm gonna merge this PR. Please let me know if I need to improve anything related to CRA support in the next PRs. Thanks |
Features
node scripts/test.jsinstead ofreact-scripts test(example)require('react-scripts/config/env');instead ofrequire('../config/env');jest.config.jsinstead ofjestobject inpackage.json(example)jest.config.js(jest-preview config-cra)scripts/test.js(jest-preview config-cra)jest-previewreceives argument (usecommander)Chores