65 lines
2.1 KiB
JavaScript
Executable File
65 lines
2.1 KiB
JavaScript
Executable File
/* --------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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* ------------------------------------------------------------------------------------------ */
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'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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class Delayer {
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constructor(defaultDelay) {
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this.defaultDelay = defaultDelay;
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this.timeout = undefined;
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this.completionPromise = undefined;
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this.onSuccess = undefined;
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this.task = undefined;
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}
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trigger(task, delay = this.defaultDelay) {
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this.task = task;
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if (delay >= 0) {
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this.cancelTimeout();
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}
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if (!this.completionPromise) {
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this.completionPromise = new Promise((resolve) => {
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this.onSuccess = resolve;
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}).then(() => {
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this.completionPromise = undefined;
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this.onSuccess = undefined;
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var result = this.task();
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this.task = undefined;
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return result;
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});
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}
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if (delay >= 0 || this.timeout === void 0) {
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this.timeout = setTimeout(() => {
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this.timeout = undefined;
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this.onSuccess(undefined);
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}, delay >= 0 ? delay : this.defaultDelay);
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}
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return this.completionPromise;
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}
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forceDelivery() {
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if (!this.completionPromise) {
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return undefined;
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}
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this.cancelTimeout();
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let result = this.task();
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this.completionPromise = undefined;
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this.onSuccess = undefined;
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this.task = undefined;
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return result;
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}
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isTriggered() {
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return this.timeout !== void 0;
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}
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cancel() {
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this.cancelTimeout();
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this.completionPromise = undefined;
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}
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cancelTimeout() {
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if (this.timeout !== void 0) {
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clearTimeout(this.timeout);
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this.timeout = undefined;
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}
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}
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}
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exports.Delayer = Delayer;
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