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/**
* Copyright 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
var _prodInvariant = require('./reactProdInvariant');
var ReactCurrentOwner = require('react/lib/ReactCurrentOwner');
var ReactInstanceMap = require('./ReactInstanceMap');
var ReactInstrumentation = require('./ReactInstrumentation');
var ReactUpdates = require('./ReactUpdates');
var invariant = require('fbjs/lib/invariant');
var warning = require('fbjs/lib/warning');
function enqueueUpdate(internalInstance) {
ReactUpdates.enqueueUpdate(internalInstance);
}
function formatUnexpectedArgument(arg) {
var type = typeof arg;
if (type !== 'object') {
return type;
}
var displayName = arg.constructor && arg.constructor.name || type;
var keys = Object.keys(arg);
if (keys.length > 0 && keys.length < 20) {
return displayName + ' (keys: ' + keys.join(', ') + ')';
}
return displayName;
}
function getInternalInstanceReadyForUpdate(publicInstance, callerName) {
var internalInstance = ReactInstanceMap.get(publicInstance);
if (!internalInstance) {
if (process.env.NODE_ENV !== 'production') {
var ctor = publicInstance.constructor;
// Only warn when we have a callerName. Otherwise we should be silent.
// We're probably calling from enqueueCallback. We don't want to warn
// there because we already warned for the corresponding lifecycle method.
process.env.NODE_ENV !== 'production' ? warning(!callerName, '%s(...): Can only update a mounted or mounting component. ' + 'This usually means you called %s() on an unmounted component. ' + 'This is a no-op. Please check the code for the %s component.', callerName, callerName, ctor && (ctor.displayName || ctor.name) || 'ReactClass') : void 0;
}
return null;
}
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, '%s(...): Cannot update during an existing state transition (such as ' + "within `render` or another component's constructor). Render methods " + 'should be a pure function of props and state; constructor ' + 'side-effects are an anti-pattern, but can be moved to ' + '`componentWillMount`.', callerName) : void 0;
}
return internalInstance;
}
/**
* ReactUpdateQueue allows for state updates to be scheduled into a later
* reconciliation step.
*/
var ReactUpdateQueue = {
/**
* Checks whether or not this composite component is mounted.
* @param {ReactClass} publicInstance The instance we want to test.
* @return {boolean} True if mounted, false otherwise.
* @protected
* @final
*/
isMounted: function (publicInstance) {
if (process.env.NODE_ENV !== 'production') {
var owner = ReactCurrentOwner.current;
if (owner !== null) {
process.env.NODE_ENV !== 'production' ? warning(owner._warnedAboutRefsInRender, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', owner.getName() || 'A component') : void 0;
owner._warnedAboutRefsInRender = true;
}
}
var internalInstance = ReactInstanceMap.get(publicInstance);
if (internalInstance) {
// During componentWillMount and render this will still be null but after
// that will always render to something. At least for now. So we can use
// this hack.
return !!internalInstance._renderedComponent;
} else {
return false;
}
},
/**
* Enqueue a callback that will be executed after all the pending updates
* have processed.
*
* @param {ReactClass} publicInstance The instance to use as `this` context.
* @param {?function} callback Called after state is updated.
* @param {string} callerName Name of the calling function in the public API.
* @internal
*/
enqueueCallback: function (publicInstance, callback, callerName) {
ReactUpdateQueue.validateCallback(callback, callerName);
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);
// Previously we would throw an error if we didn't have an internal
// instance. Since we want to make it a no-op instead, we mirror the same
// behavior we have in other enqueue* methods.
// We also need to ignore callbacks in componentWillMount. See
// enqueueUpdates.
if (!internalInstance) {
return null;
}
if (internalInstance._pendingCallbacks) {
internalInstance._pendingCallbacks.push(callback);
} else {
internalInstance._pendingCallbacks = [callback];
}
// TODO: The callback here is ignored when setState is called from
// componentWillMount. Either fix it or disallow doing so completely in
// favor of getInitialState. Alternatively, we can disallow
// componentWillMount during server-side rendering.
enqueueUpdate(internalInstance);
},
enqueueCallbackInternal: function (internalInstance, callback) {
if (internalInstance._pendingCallbacks) {
internalInstance._pendingCallbacks.push(callback);
} else {
internalInstance._pendingCallbacks = [callback];
}
enqueueUpdate(internalInstance);
},
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
*
* You may want to call this when you know that some deeper aspect of the
* component's state has changed but `setState` was not called.
*
* This will not invoke `shouldComponentUpdate`, but it will invoke
* `componentWillUpdate` and `componentDidUpdate`.
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @internal
*/
enqueueForceUpdate: function (publicInstance) {
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'forceUpdate');
if (!internalInstance) {
return;
}
internalInstance._pendingForceUpdate = true;
enqueueUpdate(internalInstance);
},
/**
* Replaces all of the state. Always use this or `setState` to mutate state.
* You should treat `this.state` as immutable.
*
* There is no guarantee that `this.state` will be immediately updated, so
* accessing `this.state` after calling this method may return the old value.
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {object} completeState Next state.
* @internal
*/
enqueueReplaceState: function (publicInstance, completeState, callback) {
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'replaceState');
if (!internalInstance) {
return;
}
internalInstance._pendingStateQueue = [completeState];
internalInstance._pendingReplaceState = true;
// Future-proof 15.5
if (callback !== undefined && callback !== null) {
ReactUpdateQueue.validateCallback(callback, 'replaceState');
if (internalInstance._pendingCallbacks) {
internalInstance._pendingCallbacks.push(callback);
} else {
internalInstance._pendingCallbacks = [callback];
}
}
enqueueUpdate(internalInstance);
},
/**
* Sets a subset of the state. This only exists because _pendingState is
* internal. This provides a merging strategy that is not available to deep
* properties which is confusing. TODO: Expose pendingState or don't use it
* during the merge.
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {object} partialState Next partial state to be merged with state.
* @internal
*/
enqueueSetState: function (publicInstance, partialState) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetState();
process.env.NODE_ENV !== 'production' ? warning(partialState != null, 'setState(...): You passed an undefined or null state object; ' + 'instead, use forceUpdate().') : void 0;
}
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'setState');
if (!internalInstance) {
return;
}
var queue = internalInstance._pendingStateQueue || (internalInstance._pendingStateQueue = []);
queue.push(partialState);
enqueueUpdate(internalInstance);
},
enqueueElementInternal: function (internalInstance, nextElement, nextContext) {
internalInstance._pendingElement = nextElement;
// TODO: introduce _pendingContext instead of setting it directly.
internalInstance._context = nextContext;
enqueueUpdate(internalInstance);
},
validateCallback: function (callback, callerName) {
!(!callback || typeof callback === 'function') ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s(...): Expected the last optional `callback` argument to be a function. Instead received: %s.', callerName, formatUnexpectedArgument(callback)) : _prodInvariant('122', callerName, formatUnexpectedArgument(callback)) : void 0;
}
};
module.exports = ReactUpdateQueue;
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