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24 lines
1.4 KiB
Markdown
24 lines
1.4 KiB
Markdown
---
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id: addons
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title: Add-ons
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permalink: addons.html
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prev: tooling-integration.html
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next: animation.html
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---
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The React add-ons are a collection of useful utility modules for building React apps. **These should be considered experimental** and tend to change more often than the core.
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- [`TransitionGroup` and `CSSTransitionGroup`](animation.html), for dealing with animations and transitions that are usually not simple to implement, such as before a component's removal.
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- [`LinkedStateMixin`](two-way-binding-helpers.html), to simplify the coordination between user's form input data and the component's state.
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- [`cloneWithProps`](clone-with-props.html), to make shallow copies of React components and change their props.
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- [`createFragment`](create-fragment.html), to create a set of externally-keyed children.
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- [`update`](update.html), a helper function that makes dealing with immutable data in JavaScript easier.
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- [`PureRenderMixin`](pure-render-mixin.html), a performance booster under certain situations.
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The add-ons below are in the development (unminified) version of React only:
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- [`TestUtils`](test-utils.html), simple helpers for writing test cases (unminified build only).
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- [`Perf`](perf.html), for measuring performance and giving you hint where to optimize.
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To get the add-ons, install them individually from npm (e.g., `npm install react-addons-pure-render-mixin`). We don't support using the addons if you're not using npm.
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