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54 lines
1.4 KiB
54 lines
1.4 KiB
4 years ago
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/**
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* Copyright 2020 Google LLC. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Extends an object's prototype by another's.
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*
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* @param type1 The Type to be extended.
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* @param type2 The Type to extend with.
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* @ignore
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*/
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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export function extend(type1: any, type2: any): void {
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// eslint-disable-next-line prefer-const
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for (let property in type2.prototype) {
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type1.prototype[property] = type2.prototype[property];
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}
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}
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export function abortEvent(e: Event | null) {
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e = e || window.event;
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if (e.stopPropagation) {
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e.stopPropagation();
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} else {
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e.cancelBubble = true;
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}
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if (e.preventDefault) {
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e.preventDefault();
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} else {
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e.returnValue = false;
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}
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}
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export function stopPropagation(e: Event | null) {
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e = e || window.event;
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if (e.stopPropagation) {
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e.stopPropagation();
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} else {
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e.cancelBubble = true;
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}
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}
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