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Diffstat (limited to 'node_modules/react-dom/lib/getVendorPrefixedEventName.js')
-rw-r--r-- | node_modules/react-dom/lib/getVendorPrefixedEventName.js | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/node_modules/react-dom/lib/getVendorPrefixedEventName.js b/node_modules/react-dom/lib/getVendorPrefixedEventName.js deleted file mode 100644 index 4b051442d..000000000 --- a/node_modules/react-dom/lib/getVendorPrefixedEventName.js +++ /dev/null @@ -1,100 +0,0 @@ -/** - * Copyright 2013-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 ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment'); - -/** - * Generate a mapping of standard vendor prefixes using the defined style property and event name. - * - * @param {string} styleProp - * @param {string} eventName - * @returns {object} - */ -function makePrefixMap(styleProp, eventName) { - var prefixes = {}; - - prefixes[styleProp.toLowerCase()] = eventName.toLowerCase(); - prefixes['Webkit' + styleProp] = 'webkit' + eventName; - prefixes['Moz' + styleProp] = 'moz' + eventName; - prefixes['ms' + styleProp] = 'MS' + eventName; - prefixes['O' + styleProp] = 'o' + eventName.toLowerCase(); - - return prefixes; -} - -/** - * A list of event names to a configurable list of vendor prefixes. - */ -var vendorPrefixes = { - animationend: makePrefixMap('Animation', 'AnimationEnd'), - animationiteration: makePrefixMap('Animation', 'AnimationIteration'), - animationstart: makePrefixMap('Animation', 'AnimationStart'), - transitionend: makePrefixMap('Transition', 'TransitionEnd') -}; - -/** - * Event names that have already been detected and prefixed (if applicable). - */ -var prefixedEventNames = {}; - -/** - * Element to check for prefixes on. - */ -var style = {}; - -/** - * Bootstrap if a DOM exists. - */ -if (ExecutionEnvironment.canUseDOM) { - style = document.createElement('div').style; - - // On some platforms, in particular some releases of Android 4.x, - // the un-prefixed "animation" and "transition" properties are defined on the - // style object but the events that fire will still be prefixed, so we need - // to check if the un-prefixed events are usable, and if not remove them from the map. - if (!('AnimationEvent' in window)) { - delete vendorPrefixes.animationend.animation; - delete vendorPrefixes.animationiteration.animation; - delete vendorPrefixes.animationstart.animation; - } - - // Same as above - if (!('TransitionEvent' in window)) { - delete vendorPrefixes.transitionend.transition; - } -} - -/** - * Attempts to determine the correct vendor prefixed event name. - * - * @param {string} eventName - * @returns {string} - */ -function getVendorPrefixedEventName(eventName) { - if (prefixedEventNames[eventName]) { - return prefixedEventNames[eventName]; - } else if (!vendorPrefixes[eventName]) { - return eventName; - } - - var prefixMap = vendorPrefixes[eventName]; - - for (var styleProp in prefixMap) { - if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) { - return prefixedEventNames[eventName] = prefixMap[styleProp]; - } - } - - return ''; -} - -module.exports = getVendorPrefixedEventName;
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