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Ensure _.isEqual compares promises by reference.

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John-David Dalton
2016-03-26 13:43:39 -07:00
parent 654df6f7f8
commit 12438fa0d7
2 changed files with 31 additions and 6 deletions
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18
lodash.js
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@@ -77,6 +77,7 @@
mapTag = '[object Map]',
numberTag = '[object Number]',
objectTag = '[object Object]',
promiseTag = '[object Promise]',
regexpTag = '[object RegExp]',
setTag = '[object Set]',
stringTag = '[object String]',
@@ -233,9 +234,9 @@
var contextProps = [
'Array', 'Buffer', 'Date', 'Error', 'Float32Array', 'Float64Array',
'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
'Reflect', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap', '_',
'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
'Promise', 'Reflect', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError',
'Uint8Array', 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
'_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
];
/** Used to make template sourceURLs easier to identify. */
@@ -1424,6 +1425,7 @@
/* Built-in method references that are verified to be native. */
var Map = getNative(context, 'Map'),
Promise = getNative(context, 'Promise'),
Set = getNative(context, 'Set'),
WeakMap = getNative(context, 'WeakMap'),
nativeCreate = getNative(Object, 'create');
@@ -1439,6 +1441,7 @@
/** Used to detect maps, sets, and weakmaps. */
var mapCtorString = Map ? funcToString.call(Map) : '',
promiseCtorString = Promise ? funcToString.call(Promise) : '',
setCtorString = Set ? funcToString.call(Set) : '',
weakMapCtorString = WeakMap ? funcToString.call(WeakMap) : '';
@@ -5219,10 +5222,12 @@
return objectToString.call(value);
}
// Fallback for IE 11 providing `toStringTag` values for maps, sets, and weakmaps.
// Fallback for IE 11 or maps, sets, and weakmaps and Node.js 5 for promises.
if ((Map && getTag(new Map) != mapTag) ||
(Set && getTag(new Set) != setTag) ||
(WeakMap && getTag(new WeakMap) != weakMapTag)) {
(Promise && getTag(Promise.resolve()) != promiseTag) ||
(Set && getTag(new Set) != setTag) ||
(WeakMap && getTag(new WeakMap) != weakMapTag)
) {
getTag = function(value) {
var result = objectToString.call(value),
Ctor = result == objectTag ? value.constructor : null,
@@ -5231,6 +5236,7 @@
if (ctorString) {
switch (ctorString) {
case mapCtorString: return mapTag;
case promiseCtorString: return promiseTag;
case setCtorString: return setTag;
case weakMapCtorString: return weakMapTag;
}