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35 lines
1000 B
35 lines
1000 B
/** |
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* Copyright 2013-2015, 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 getTextContentAccessor |
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*/ |
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'use strict'; |
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var ExecutionEnvironment = require("./ExecutionEnvironment"); |
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var contentKey = null; |
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/** |
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* Gets the key used to access text content on a DOM node. |
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* |
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* @return {?string} Key used to access text content. |
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* @internal |
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*/ |
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function getTextContentAccessor() { |
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if (!contentKey && ExecutionEnvironment.canUseDOM) { |
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// Prefer textContent to innerText because many browsers support both but |
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// SVG <text> elements don't support innerText even when <div> does. |
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contentKey = 'textContent' in document.documentElement ? |
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'textContent' : |
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'innerText'; |
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} |
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return contentKey; |
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} |
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module.exports = getTextContentAccessor;
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