webpack/lib/dependencies/URLPlugin.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 Ivan Kopeykin @vankop
*/

"use strict";

const {
	JAVASCRIPT_MODULE_TYPE_AUTO,
	JAVASCRIPT_MODULE_TYPE_ESM
} = require("../ModuleTypeConstants");

const URLContextDependency = require("../dependencies/URLContextDependency");
const URLDependency = require("../dependencies/URLDependency");
const URLParserPlugin = require("../url/URLParserPlugin");

/** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */

const PLUGIN_NAME = "URLPlugin";

class URLPlugin {
	/**
	 * Applies the plugin by registering its hooks on the compiler.
	 * @param {Compiler} compiler compiler
	 */
	apply(compiler) {
		compiler.hooks.compilation.tap(
			PLUGIN_NAME,
			(compilation, { normalModuleFactory, contextModuleFactory }) => {
				compilation.dependencyFactories.set(URLDependency, normalModuleFactory);
				compilation.dependencyTemplates.set(
					URLDependency,
					new URLDependency.Template()
				);
				compilation.dependencyFactories.set(
					URLContextDependency,
					contextModuleFactory
				);
				compilation.dependencyTemplates.set(
					URLContextDependency,
					new URLContextDependency.Template()
				);

				/**
				 * Handles the hook callback for this code path.
				 * @param {JavascriptParser} parser parser parser
				 * @param {JavascriptParserOptions} parserOptions parserOptions
				 * @returns {void}
				 */
				const handler = (parser, parserOptions) => {
					if (parserOptions.url === false) return;
					new URLParserPlugin(parserOptions).apply(parser);
				};

				normalModuleFactory.hooks.parser
					.for(JAVASCRIPT_MODULE_TYPE_AUTO)
					.tap(PLUGIN_NAME, handler);

				normalModuleFactory.hooks.parser
					.for(JAVASCRIPT_MODULE_TYPE_ESM)
					.tap(PLUGIN_NAME, handler);
			}
		);
	}
}

module.exports = URLPlugin;