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Diffstat (limited to 'node_modules/react-dom/lib/inputValueTracking.js')
-rw-r--r-- | node_modules/react-dom/lib/inputValueTracking.js | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/node_modules/react-dom/lib/inputValueTracking.js b/node_modules/react-dom/lib/inputValueTracking.js deleted file mode 100644 index 7a7fa137a..000000000 --- a/node_modules/react-dom/lib/inputValueTracking.js +++ /dev/null @@ -1,122 +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 ReactDOMComponentTree = require('./ReactDOMComponentTree'); - -function isCheckable(elem) { - var type = elem.type; - var nodeName = elem.nodeName; - return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio'); -} - -function getTracker(inst) { - return inst._wrapperState.valueTracker; -} - -function attachTracker(inst, tracker) { - inst._wrapperState.valueTracker = tracker; -} - -function detachTracker(inst) { - delete inst._wrapperState.valueTracker; -} - -function getValueFromNode(node) { - var value; - if (node) { - value = isCheckable(node) ? '' + node.checked : node.value; - } - return value; -} - -var inputValueTracking = { - // exposed for testing - _getTrackerFromNode: function (node) { - return getTracker(ReactDOMComponentTree.getInstanceFromNode(node)); - }, - - - track: function (inst) { - if (getTracker(inst)) { - return; - } - - var node = ReactDOMComponentTree.getNodeFromInstance(inst); - var valueField = isCheckable(node) ? 'checked' : 'value'; - var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField); - - var currentValue = '' + node[valueField]; - - // if someone has already defined a value or Safari, then bail - // and don't track value will cause over reporting of changes, - // but it's better then a hard failure - // (needed for certain tests that spyOn input values and Safari) - if (node.hasOwnProperty(valueField) || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') { - return; - } - - Object.defineProperty(node, valueField, { - enumerable: descriptor.enumerable, - configurable: true, - get: function () { - return descriptor.get.call(this); - }, - set: function (value) { - currentValue = '' + value; - descriptor.set.call(this, value); - } - }); - - attachTracker(inst, { - getValue: function () { - return currentValue; - }, - setValue: function (value) { - currentValue = '' + value; - }, - stopTracking: function () { - detachTracker(inst); - delete node[valueField]; - } - }); - }, - - updateValueIfChanged: function (inst) { - if (!inst) { - return false; - } - var tracker = getTracker(inst); - - if (!tracker) { - inputValueTracking.track(inst); - return true; - } - - var lastValue = tracker.getValue(); - var nextValue = getValueFromNode(ReactDOMComponentTree.getNodeFromInstance(inst)); - - if (nextValue !== lastValue) { - tracker.setValue(nextValue); - return true; - } - - return false; - }, - stopTracking: function (inst) { - var tracker = getTracker(inst); - if (tracker) { - tracker.stopTracking(); - } - } -}; - -module.exports = inputValueTracking;
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