| 1 | # Contributing to `prettier-package-json`
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| 2 |
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| 3 | To get up and running, install the dependencies and run the tests:
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| 4 |
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| 5 | ```sh
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| 6 | yarn
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| 7 | yarn test
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| 8 | ```
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| 9 |
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| 10 | Here's what you need to know about the tests:
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| 11 |
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| 12 | * The tests uses [Jest](https://facebook.github.io/jest/) snapshots.
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| 13 | * You can make changes and run `jest -u` (or `yarn test -- -u`) to update the
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| 14 | snapshots. Then run `git diff` to take a look at what changed. Always update
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| 15 | the snapshots when opening a PR.
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| 16 |
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| 17 | Run `yarn format` to automatically format files.
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