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com.google.javascript.jscomp.js.es6.reflect.deleteproperty.js Maven / Gradle / Ivy
/*
* Copyright 2016 The Closure Compiler Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'require util/owns';
'require util/polyfill';
$jscomp.polyfill('Reflect.deleteProperty', function(orig) {
if (orig) return orig;
/**
* Polyfill for Reflect.deleteProperty() method:
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/deleteProperty
*
* Applies the 'delete' operator as a function.
*
* @param {!Object} target Target on which to delete the property.
* @param {string} propertyKey Name of the property to delete.
* @return {boolean} Whether the property was deleted.
*/
var polyfill = function(target, propertyKey) {
if (!$jscomp.owns(target, propertyKey)) {
return true;
}
try {
return delete target[propertyKey];
} catch (err) {
return false;
}
};
return polyfill;
}, 'es6', 'es3');
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