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Simplify support property detection.

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This commit is contained in:
John-David Dalton
2014-07-30 00:00:22 -07:00
parent 9032cc0ecc
commit 5cbc44610c
3 changed files with 15 additions and 20 deletions
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23
test/index.html
View File

@@ -100,19 +100,16 @@
setProperty(Object, '_keys', Object.keys);
setProperty(Object, 'keys', noop);
setProperty(objectProto, 'hasOwnProperty', (function() {
function wrapper(key) {
if (key == '1' && this && typeof this == 'object' && this.length === 2 &&
hasOwnProperty.call(this, 'callee') &&
!propertyIsEnumerable.call(this, 'callee') &&
this[0] === 0 && this[1] === 0) {
throw new Error;
}
return hasOwnProperty.call(this, key);
setProperty(objectProto, '_propertyIsEnumerable', propertyIsEnumerable);
setProperty(objectProto, 'propertyIsEnumerable', function(key) {
if (key == '1' && this && typeof this == 'object' && this.length === 2 &&
hasOwnProperty.call(this, 'callee') &&
!propertyIsEnumerable.call(this, 'callee') &&
this[0] === 0 && this[1] === 0) {
throw new Error;
}
setProperty(objectProto, '_hasOwnProperty', hasOwnProperty);
return wrapper;
}()));
return propertyIsEnumerable.call(this, key);
});
setProperty(Number, '_isFinite', Number.isFinite);
setProperty(Number, 'isFinite', noop);
@@ -228,7 +225,7 @@
} else {
delete stringProto.contains;
}
setProperty(objectProto, 'hasOwnProperty', objectProto._hasOwnProperty);
setProperty(objectProto, 'propertyIsEnumerable', objectProto._propertyIsEnumerable);
document.createDocumentFragment = document._createDocumentFragment;
setProperty(document, '_createDocumentFragment', undefined);

6
test/test.js
View File

@@ -375,8 +375,8 @@
var _keys = Object.keys;
setProperty(Object, 'keys', _.noop);
var _hasOwnProperty = objectProto.hasOwnProperty;
setProperty(objectProto, 'hasOwnProperty', function(key) {
var _propertyIsEnumerable = objectProto.propertyIsEnumerable;
setProperty(objectProto, 'propertyIsEnumerable', function(key) {
if (key == '1' && _.isArguments(this) && _.isEqual(_.values(this), [0, 0])) {
throw new Error;
}
@@ -463,7 +463,7 @@
setProperty(Object, 'getPrototypeOf', _getPrototypeOf);
setProperty(Object, 'keys', _keys);
setProperty(objectProto, 'hasOwnProperty', _hasOwnProperty);
setProperty(objectProto, 'propertyIsEnumerable', _propertyIsEnumerable);
setProperty(root, 'parseInt', _parseInt);
if (_isFinite) {