forked from mystiq/hydrogen-web
89 lines
1.9 KiB
JavaScript
89 lines
1.9 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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import {AbortError} from "../../../utils/error";
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class Timeout {
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constructor(ms) {
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this._reject = null;
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this._handle = null;
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this._promise = new Promise((resolve, reject) => {
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this._reject = reject;
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this._handle = setTimeout(() => {
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this._reject = null;
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resolve();
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}, ms);
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});
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}
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elapsed() {
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return this._promise;
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}
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abort() {
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if (this._reject) {
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this._reject(new AbortError());
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clearTimeout(this._handle);
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this._handle = null;
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this._reject = null;
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}
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}
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dispose() {
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this.abort();
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}
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}
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class Interval {
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constructor(ms, callback) {
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this._handle = setInterval(callback, ms);
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}
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dispose() {
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if (this._handle) {
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clearInterval(this._handle);
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this._handle = null;
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}
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}
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}
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class TimeMeasure {
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constructor() {
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this._start = window.performance.now();
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}
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measure() {
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return window.performance.now() - this._start;
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}
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}
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export class Clock {
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createMeasure() {
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return new TimeMeasure();
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}
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createTimeout(ms) {
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return new Timeout(ms);
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}
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createInterval(callback, ms) {
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return new Interval(ms, callback);
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}
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now() {
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return Date.now();
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}
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}
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