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Simplify _.isElement.

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jdalton
2015-05-26 11:35:35 -07:00
parent 98956056e3
commit acf82af0bf
1 changed files with 4 additions and 33 deletions
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37
lodash.src.js
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@@ -153,9 +153,9 @@
var contextProps = [ var contextProps = [
'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array', 'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array',
'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Math', 'Number', 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Math', 'Number',
'Object', 'RegExp', 'Set', 'String', '_', 'clearTimeout', 'document', 'Object', 'RegExp', 'Set', 'String', '_', 'clearTimeout', 'isFinite',
'isFinite', 'parseFloat', 'parseInt', 'setTimeout', 'TypeError', 'Uint8Array', 'parseFloat', 'parseInt', 'setTimeout', 'TypeError', 'Uint8Array',
'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap', 'window' 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap'
]; ];
/** Used to fix the JScript `[[DontEnum]]` bug. */ /** Used to fix the JScript `[[DontEnum]]` bug. */
@@ -732,9 +732,6 @@
objectProto = Object.prototype, objectProto = Object.prototype,
stringProto = String.prototype; stringProto = String.prototype;
/** Used to detect DOM support. */
var document = (document = context.window) ? document.document : null;
/** Used to resolve the decompiled source of functions. */ /** Used to resolve the decompiled source of functions. */
var fnToString = Function.prototype.toString; var fnToString = Function.prototype.toString;
@@ -1005,14 +1002,6 @@
*/ */
support.enumPrototypes = propertyIsEnumerable.call(Ctor, 'prototype'); support.enumPrototypes = propertyIsEnumerable.call(Ctor, 'prototype');
/**
* Detect if the `toStringTag` of DOM nodes is resolvable (all but IE < 9).
*
* @memberOf _.support
* @type boolean
*/
support.nodeTag = objToString.call(document) != objectTag;
/** /**
* Detect if properties shadowing those on `Object.prototype` are non-enumerable. * Detect if properties shadowing those on `Object.prototype` are non-enumerable.
* *
@@ -1058,17 +1047,6 @@
*/ */
support.unindexedChars = ('x'[0] + Object('x')[0]) != 'xx'; support.unindexedChars = ('x'[0] + Object('x')[0]) != 'xx';
/**
* Detect if the DOM is supported.
*
* @memberOf _.support
* @type boolean
*/
try {
support.dom = document.createDocumentFragment().nodeType === 11;
} catch(e) {
support.dom = false;
}
}(1, 0)); }(1, 0));
/** /**
@@ -8574,14 +8552,7 @@
* // => false * // => false
*/ */
function isElement(value) { function isElement(value) {
return !!value && value.nodeType === 1 && isObjectLike(value) && return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value);
(lodash.support.nodeTag ? (objToString.call(value).indexOf('Element') > -1) : isHostObject(value));
}
// Fallback for environments without DOM support.
if (!support.dom) {
isElement = function(value) {
return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value);
};
} }
/** /**