webpack/lib/ModuleProfile.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

class ModuleProfile {
	constructor() {
		this.startTime = Date.now();

		this.factoryStartTime = 0;
		this.factoryEndTime = 0;
		this.factory = 0;
		this.factoryParallelismFactor = 0;

		this.restoringStartTime = 0;
		this.restoringEndTime = 0;
		this.restoring = 0;
		this.restoringParallelismFactor = 0;

		this.integrationStartTime = 0;
		this.integrationEndTime = 0;
		this.integration = 0;
		this.integrationParallelismFactor = 0;

		this.buildingStartTime = 0;
		this.buildingEndTime = 0;
		this.building = 0;
		this.buildingParallelismFactor = 0;

		this.storingStartTime = 0;
		this.storingEndTime = 0;
		this.storing = 0;
		this.storingParallelismFactor = 0;

		/** @type {{ start: number, end: number }[] | undefined } */
		this.additionalFactoryTimes = undefined;
		this.additionalFactories = 0;
		this.additionalFactoriesParallelismFactor = 0;

		/** @deprecated */
		this.additionalIntegration = 0;
	}

	markFactoryStart() {
		this.factoryStartTime = Date.now();
	}

	markFactoryEnd() {
		this.factoryEndTime = Date.now();
		this.factory = this.factoryEndTime - this.factoryStartTime;
	}

	markRestoringStart() {
		this.restoringStartTime = Date.now();
	}

	markRestoringEnd() {
		this.restoringEndTime = Date.now();
		this.restoring = this.restoringEndTime - this.restoringStartTime;
	}

	markIntegrationStart() {
		this.integrationStartTime = Date.now();
	}

	markIntegrationEnd() {
		this.integrationEndTime = Date.now();
		this.integration = this.integrationEndTime - this.integrationStartTime;
	}

	markBuildingStart() {
		this.buildingStartTime = Date.now();
	}

	markBuildingEnd() {
		this.buildingEndTime = Date.now();
		this.building = this.buildingEndTime - this.buildingStartTime;
	}

	markStoringStart() {
		this.storingStartTime = Date.now();
	}

	markStoringEnd() {
		this.storingEndTime = Date.now();
		this.storing = this.storingEndTime - this.storingStartTime;
	}

	// This depends on timing so we ignore it for coverage
	/* istanbul ignore next */
	/**
	 * Merge this profile into another one
	 * @param {ModuleProfile} realProfile the profile to merge into
	 * @returns {void}
	 */
	mergeInto(realProfile) {
		realProfile.additionalFactories = this.factory;
		(realProfile.additionalFactoryTimes =
			realProfile.additionalFactoryTimes || []).push({
			start: this.factoryStartTime,
			end: this.factoryEndTime
		});
	}
}

module.exports = ModuleProfile;