@angular/core
Version:
Angular - the core framework
29 lines • 3.3 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
export function getClosureSafeProperty(objWithPropertyToExtract) {
for (let key in objWithPropertyToExtract) {
if (objWithPropertyToExtract[key] === getClosureSafeProperty) {
return key;
}
}
throw Error('Could not find renamed property on target object.');
}
/**
* Sets properties on a target object from a source object, but only if
* the property doesn't already exist on the target object.
* @param target The target to set properties on
* @param source The source of the property keys and values to set
*/
export function fillProperties(target, source) {
for (const key in source) {
if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {
target[key] = source[key];
}
}
}
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