webpack/lib/SingleEntryPlugin.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support 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";
const SingleEntryDependency = require("./dependencies/SingleEntryDependency");

/** @typedef {import("./Compiler")} Compiler */

class SingleEntryPlugin {
	/**
	 * An entry plugin which will handle
	 * creation of the SingleEntryDependency
	 *
	 * @param {string} context context path
	 * @param {string} entry entry path
	 * @param {string} name entry key name
	 */
	constructor(context, entry, name) {
		this.context = context;
		this.entry = entry;
		this.name = name;
	}

	/**
	 * @param {Compiler} compiler the compiler instance
	 * @returns {void}
	 */
	apply(compiler) {
		compiler.hooks.compilation.tap(
			"SingleEntryPlugin",
			(compilation, { normalModuleFactory }) => {
				compilation.dependencyFactories.set(
					SingleEntryDependency,
					normalModuleFactory
				);
			}
		);

		compiler.hooks.make.tapAsync(
			"SingleEntryPlugin",
			(compilation, callback) => {
				const { entry, name, context } = this;

				const dep = SingleEntryPlugin.createDependency(entry, name);
				compilation.addEntry(context, dep, name, callback);
			}
		);
	}

	/**
	 * @param {string} entry entry request
	 * @param {string} name entry name
	 * @returns {SingleEntryDependency} the dependency
	 */
	static createDependency(entry, name) {
		const dep = new SingleEntryDependency(entry);
		dep.loc = { name };
		return dep;
	}
}

module.exports = SingleEntryPlugin;