feat: initial commit

node_modules/webpack/lib/DllReferencePlugin.js

@@ -0,0 +1,178 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const parseJson = require("json-parse-even-better-errors");
+const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
+const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
+const WebpackError = require("./WebpackError");
+const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
+const createSchemaValidation = require("./util/create-schema-validation");
+const makePathsRelative = require("./util/identifier").makePathsRelative;
+
+/** @typedef {import("../declarations/WebpackOptions").Externals} Externals */
+/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
+/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsManifest} DllReferencePluginOptionsManifest */
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
+
+const validate = createSchemaValidation(
+	require("../schemas/plugins/DllReferencePlugin.check.js"),
+	() => require("../schemas/plugins/DllReferencePlugin.json"),
+	{
+		name: "Dll Reference Plugin",
+		baseDataPath: "options"
+	}
+);
+
+class DllReferencePlugin {
+	/**
+	 * @param {DllReferencePluginOptions} options options object
+	 */
+	constructor(options) {
+		validate(options);
+		this.options = options;
+		/** @type {WeakMap<object, {path: string, data: DllReferencePluginOptionsManifest?, error: Error?}>} */
+		this._compilationData = new WeakMap();
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DllReferencePlugin",
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					DelegatedSourceDependency,
+					normalModuleFactory
+				);
+			}
+		);
+
+		compiler.hooks.beforeCompile.tapAsync(
+			"DllReferencePlugin",
+			(params, callback) => {
+				if ("manifest" in this.options) {
+					const manifest = this.options.manifest;
+					if (typeof manifest === "string") {
+						/** @type {InputFileSystem} */
+						(compiler.inputFileSystem).readFile(manifest, (err, result) => {
+							if (err) return callback(err);
+							const data = {
+								path: manifest,
+								data: undefined,
+								error: undefined
+							};
+							// Catch errors parsing the manifest so that blank
+							// or malformed manifest files don't kill the process.
+							try {
+								data.data = parseJson(
+									/** @type {Buffer} */ (result).toString("utf-8")
+								);
+							} catch (e) {
+								// Store the error in the params so that it can
+								// be added as a compilation error later on.
+								const manifestPath = makePathsRelative(
+									compiler.options.context,
+									manifest,
+									compiler.root
+								);
+								data.error = new DllManifestError(manifestPath, e.message);
+							}
+							this._compilationData.set(params, data);
+							return callback();
+						});
+						return;
+					}
+				}
+				return callback();
+			}
+		);
+
+		compiler.hooks.compile.tap("DllReferencePlugin", params => {
+			let name = this.options.name;
+			let sourceType = this.options.sourceType;
+			let content =
+				"content" in this.options ? this.options.content : undefined;
+			if ("manifest" in this.options) {
+				let manifestParameter = this.options.manifest;
+				let manifest;
+				if (typeof manifestParameter === "string") {
+					const data = this._compilationData.get(params);
+					// If there was an error parsing the manifest
+					// file, exit now because the error will be added
+					// as a compilation error in the "compilation" hook.
+					if (data.error) {
+						return;
+					}
+					manifest = data.data;
+				} else {
+					manifest = manifestParameter;
+				}
+				if (manifest) {
+					if (!name) name = manifest.name;
+					if (!sourceType) sourceType = manifest.type;
+					if (!content) content = manifest.content;
+				}
+			}
+			/** @type {Externals} */
+			const externals = {};
+			const source = "dll-reference " + name;
+			externals[source] = name;
+			const normalModuleFactory = params.normalModuleFactory;
+			new ExternalModuleFactoryPlugin(sourceType || "var", externals).apply(
+				normalModuleFactory
+			);
+			new DelegatedModuleFactoryPlugin({
+				source: source,
+				type: this.options.type,
+				scope: this.options.scope,
+				context: this.options.context || compiler.options.context,
+				content,
+				extensions: this.options.extensions,
+				associatedObjectForCache: compiler.root
+			}).apply(normalModuleFactory);
+		});
+
+		compiler.hooks.compilation.tap(
+			"DllReferencePlugin",
+			(compilation, params) => {
+				if ("manifest" in this.options) {
+					let manifest = this.options.manifest;
+					if (typeof manifest === "string") {
+						const data = this._compilationData.get(params);
+						// If there was an error parsing the manifest file, add the
+						// error as a compilation error to make the compilation fail.
+						if (data.error) {
+							compilation.errors.push(
+								/** @type {DllManifestError} */ (data.error)
+							);
+						}
+						compilation.fileDependencies.add(manifest);
+					}
+				}
+			}
+		);
+	}
+}
+
+class DllManifestError extends WebpackError {
+	/**
+	 * @param {string} filename filename of the manifest
+	 * @param {string} message error message
+	 */
+	constructor(filename, message) {
+		super();
+
+		this.name = "DllManifestError";
+		this.message = `Dll manifest ${filename}\n${message}`;
+	}
+}
+
+module.exports = DllReferencePlugin;