Merge pull request #3491 from bobbyrenwick/transition-group-appear-docs
adding docs for componentWillAppear and componentDidAppear
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@ -143,6 +143,14 @@ You can disable animating `enter` or `leave` animations if you want. For example
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`ReactTransitionGroup` is the basis for animations. It is accessible as `React.addons.TransitionGroup`. When children are declaratively added or removed from it (as in the example above) special lifecycle hooks are called on them.
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### `componentWillAppear(callback)`
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This is called at the same time as `componentDidMount()` for components that are initially mounted in a `TransitionGroup`. It will block other animations from occurring until `callback` is called. It is only called on the initial render of a `TransitionGroup`.
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### `componentDidAppear()`
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This is called after the `callback` function that was passed to `componentWillAppear` is called.
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### `componentWillEnter(callback)`
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This is called at the same time as `componentDidMount()` for components added to an existing `TransitionGroup`. It will block other animations from occurring until `callback` is called. It will not be called on the initial render of a `TransitionGroup`.
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