d5bd86ae5d
Create getter methods `getXXXDef` for each definition which uses `hasOwnProperty` to verify that we don't accidently read form the parent class. Fixes: #24011 Fixes: #25026 PR Close #25736
31 lines
1004 B
TypeScript
31 lines
1004 B
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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export function getClosureSafeProperty<T>(objWithPropertyToExtract: T): string {
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for (let key in objWithPropertyToExtract) {
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if (objWithPropertyToExtract[key] === getClosureSafeProperty as any) {
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return key;
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}
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}
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throw Error('Could not find renamed property on target object.');
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}
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/**
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* Sets properties on a target object from a source object, but only if
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* the property doesn't already exist on the target object.
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* @param target The target to set properties on
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* @param source The source of the property keys and values to set
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*/
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export function fillProperties(target: {[key: string]: string}, source: {[key: string]: string}) {
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for (const key in source) {
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if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {
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target[key] = source[key];
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}
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}
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}
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