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rOACCT/node_modules/fork-ts-checker-webpack-plugin/lib/profile/Performance.js
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Performance.js
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			"use strict";
			Object.defineProperty(exports, "__esModule", { value: true });
			const perf_hooks_1 = require("perf_hooks");
			function createPerformance() {
			let enabled = false;
			let timeOrigin;
			let marks;
			let measurements;
			function enable() {
			enabled = true;
			marks = new Map();
			measurements = new Map();
			timeOrigin = perf_hooks_1.performance.now();
			}
			function disable() {
			enabled = false;
			}
			function mark(name) {
			if (enabled) {
			marks.set(name, perf_hooks_1.performance.now());
			}
			}
			function measure(name, startMark, endMark) {
			if (enabled) {
			const start = (startMark && marks.get(startMark)) \|\| timeOrigin;
			const end = (endMark && marks.get(endMark)) \|\| perf_hooks_1.performance.now();
			measurements.set(name, (measurements.get(name) \|\| 0) + (end - start));
			}
			}
			function markStart(name) {
			if (enabled) {
			mark(`${name} start`);
			}
			}
			function markEnd(name) {
			if (enabled) {
			mark(`${name} end`);
			measure(name, `${name} start`, `${name} end`);
			}
			}
			function formatName(name, width = 0) {
			return `${name}:`.padEnd(width);
			}
			function formatDuration(duration, width = 0) {
			return `${(duration / 1000).toFixed(2)} s`.padStart(width);
			}
			function print() {
			if (enabled) {
			let nameWidth = 0;
			let durationWidth = 0;
			measurements.forEach((duration, name) => {
			nameWidth = Math.max(nameWidth, formatName(name).length);
			durationWidth = Math.max(durationWidth, formatDuration(duration).length);
			});
			measurements.forEach((duration, name) => {
			console.log(`${formatName(name, nameWidth)} ${formatDuration(duration, durationWidth)}`);
			});
			}
			}
			return { enable, disable, mark, markStart, markEnd, measure, print };
			}
			exports.createPerformance = createPerformance;