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58 lines
1.7 KiB
58 lines
1.7 KiB
10 years ago
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/**
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* Copyright 2014-2015, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule ReactComponentEnvironment
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*/
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'use strict';
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var invariant = require("./invariant");
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var injected = false;
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var ReactComponentEnvironment = {
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/**
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* Optionally injectable environment dependent cleanup hook. (server vs.
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* browser etc). Example: A browser system caches DOM nodes based on component
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* ID and must remove that cache entry when this instance is unmounted.
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*/
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unmountIDFromEnvironment: null,
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/**
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* Optionally injectable hook for swapping out mount images in the middle of
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* the tree.
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*/
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replaceNodeWithMarkupByID: null,
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/**
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* Optionally injectable hook for processing a queue of child updates. Will
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* later move into MultiChildComponents.
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*/
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processChildrenUpdates: null,
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injection: {
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injectEnvironment: function(environment) {
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("production" !== process.env.NODE_ENV ? invariant(
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!injected,
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'ReactCompositeComponent: injectEnvironment() can only be called once.'
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) : invariant(!injected));
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ReactComponentEnvironment.unmountIDFromEnvironment =
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environment.unmountIDFromEnvironment;
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ReactComponentEnvironment.replaceNodeWithMarkupByID =
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environment.replaceNodeWithMarkupByID;
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ReactComponentEnvironment.processChildrenUpdates =
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environment.processChildrenUpdates;
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injected = true;
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}
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}
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};
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module.exports = ReactComponentEnvironment;
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