32 lines
1.3 KiB
JavaScript
Executable File
32 lines
1.3 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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import { globals } from './platform.js';
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var hasPerformanceNow = (globals.performance && typeof globals.performance.now === 'function');
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var StopWatch = /** @class */ (function () {
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function StopWatch(highResolution) {
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this._highResolution = hasPerformanceNow && highResolution;
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this._startTime = this._now();
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this._stopTime = -1;
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}
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StopWatch.create = function (highResolution) {
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if (highResolution === void 0) { highResolution = true; }
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return new StopWatch(highResolution);
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};
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StopWatch.prototype.stop = function () {
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this._stopTime = this._now();
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};
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StopWatch.prototype.elapsed = function () {
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if (this._stopTime !== -1) {
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return this._stopTime - this._startTime;
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}
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return this._now() - this._startTime;
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};
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StopWatch.prototype._now = function () {
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return this._highResolution ? globals.performance.now() : new Date().getTime();
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};
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return StopWatch;
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}());
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export { StopWatch };
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