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Reflect.defineProperty
1 parent 84ef88c commit e8d7e65Copy full SHA for e8d7e65
es6-shim.js
@@ -3184,9 +3184,11 @@
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}
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if (globals.Reflect.defineProperty) {
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- if (valueOrFalseIfThrows(function () {
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- globals.Reflect.defineProperty(1, 'test', { value: 1 });
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- return true;
+ if (!valueOrFalseIfThrows(function () {
+ var basic = !globals.Reflect.defineProperty(1, 'test', { value: 1 });
+ // "extensible" fails on Edge 0.12
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+ var extensible = typeof Object.preventExtensions !== 'function' || !globals.Reflect.defineProperty(Object.preventExtensions({}), 'test', {});
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+ return basic && extensible;
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})) {
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overrideNative(globals.Reflect, 'defineProperty', ReflectShims.defineProperty);
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