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76 lines
1.8 KiB
Markdown
76 lines
1.8 KiB
Markdown
# `eslint-plugin-react-hooks`
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This ESLint plugin enforces the [Rules of Hooks](https://reactjs.org/docs/hooks-rules.html).
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It is a part of the [Hooks API](https://reactjs.org/docs/hooks-intro.html) for React.
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## Installation
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**Note: If you're using Create React App, please use `react-scripts` >= 3 instead of adding it directly.**
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Assuming you already have ESLint installed, run:
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```sh
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# npm
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npm install eslint-plugin-react-hooks --save-dev
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# yarn
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yarn add eslint-plugin-react-hooks --dev
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```
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Then extend the recommended eslint config:
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```js
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{
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"extends": [
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// ...
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"plugin:react-hooks/recommended"
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]
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}
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```
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### Custom Configuration
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If you want more fine-grained configuration, you can instead add a snippet like this to your ESLint configuration file:
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```js
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{
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"plugins": [
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// ...
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"react-hooks"
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],
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"rules": {
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// ...
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"react-hooks/rules-of-hooks": "error",
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"react-hooks/exhaustive-deps": "warn"
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}
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}
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```
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## Advanced Configuration
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`exhaustive-deps` can be configured to validate dependencies of custom Hooks with the `additionalHooks` option.
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This option accepts a regex to match the names of custom Hooks that have dependencies.
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```js
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{
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"rules": {
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// ...
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"react-hooks/exhaustive-deps": ["warn", {
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"additionalHooks": "(useMyCustomHook|useMyOtherCustomHook)"
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}]
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}
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}
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```
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We suggest to use this option **very sparingly, if at all**. Generally saying, we recommend most custom Hooks to not use the dependencies argument, and instead provide a higher-level API that is more focused around a specific use case.
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## Valid and Invalid Examples
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Please refer to the [Rules of Hooks](https://reactjs.org/docs/hooks-rules.html) documentation and the [Hooks FAQ](https://reactjs.org/docs/hooks-faq.html#what-exactly-do-the-lint-rules-enforce) to learn more about this rule.
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## License
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MIT
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