eae5d8c807
These conflicts will be resolved in the following commits. We do it this way so that PR review is possible.
120 lines
3.5 KiB
JavaScript
120 lines
3.5 KiB
JavaScript
/*---------------------------------------------------------------------------------------------
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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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//@ts-check
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/**
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* @returns {{mark(name:string):void, getMarks():{name:string, startTime:number}[]}}
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*/
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function _definePolyfillMarks(timeOrigin) {
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const _data = [];
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if (typeof timeOrigin === 'number') {
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_data.push('code/timeOrigin', timeOrigin);
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}
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function mark(name) {
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_data.push(name, Date.now());
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}
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function getMarks() {
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const result = [];
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for (let i = 0; i < _data.length; i += 2) {
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result.push({
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name: _data[i],
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startTime: _data[i + 1],
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});
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}
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return result;
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}
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return { mark, getMarks };
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}
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/**
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* @returns {{mark(name:string):void, getMarks():{name:string, startTime:number}[]}}
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*/
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function _define() {
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if (typeof performance === 'object' && typeof performance.mark === 'function') {
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// in a browser context, reuse performance-util
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if (typeof performance.timeOrigin !== 'number' && !performance.timing) {
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// safari & webworker: because there is no timeOrigin and no workaround
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// we use the `Date.now`-based polyfill.
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return _definePolyfillMarks();
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} else {
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// use "native" performance for mark and getMarks
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return {
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mark(name) {
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performance.mark(name);
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},
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getMarks() {
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let timeOrigin = performance.timeOrigin;
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if (typeof timeOrigin !== 'number') {
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// safari: there is no timerOrigin but in renderers there is the timing-property
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// see https://bugs.webkit.org/show_bug.cgi?id=174862
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timeOrigin = performance.timing.navigationStart || performance.timing.redirectStart || performance.timing.fetchStart;
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}
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const result = [{ name: 'code/timeOrigin', startTime: Math.round(timeOrigin) }];
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for (const entry of performance.getEntriesByType('mark')) {
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result.push({
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name: entry.name,
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startTime: Math.round(timeOrigin + entry.startTime)
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});
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}
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return result;
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}
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};
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}
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} else if (typeof process === 'object') {
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// node.js: use the normal polyfill but add the timeOrigin
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// from the node perf_hooks API as very first mark
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const timeOrigin = Math.round((require.nodeRequire || require)('perf_hooks').performance.timeOrigin);
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return _definePolyfillMarks(timeOrigin);
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} else {
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// unknown environment
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console.trace('perf-util loaded in UNKNOWN environment');
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return _definePolyfillMarks();
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}
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}
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function _factory(sharedObj) {
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if (!sharedObj.MonacoPerformanceMarks) {
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sharedObj.MonacoPerformanceMarks = _define();
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}
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return sharedObj.MonacoPerformanceMarks;
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}
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// This module can be loaded in an amd and commonjs-context.
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// Because we want both instances to use the same perf-data
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// we store them globally
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// eslint-disable-next-line no-var
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var sharedObj;
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if (typeof global === 'object') {
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// nodejs
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sharedObj = global;
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} else if (typeof self === 'object') {
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// browser
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sharedObj = self;
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} else {
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sharedObj = {};
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}
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if (typeof define === 'function') {
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// amd
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define([], function () { return _factory(sharedObj); });
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} else if (typeof module === 'object' && typeof module.exports === 'object') {
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// commonjs
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module.exports = _factory(sharedObj);
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} else {
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console.trace('perf-util defined in UNKNOWN context (neither requirejs or commonjs)');
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sharedObj.perf = _factory(sharedObj);
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}
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