first commit

app_vue/node_modules/webpack/lib/sharing/ProvideSharedPlugin.js

@@ -0,0 +1,248 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra and Zackary Jackson @ScriptedAlchemy
+*/
+
+"use strict";
+
+const WebpackError = require("../WebpackError");
+const { parseOptions } = require("../container/options");
+const createSchemaValidation = require("../util/create-schema-validation");
+const ProvideForSharedDependency = require("./ProvideForSharedDependency");
+const ProvideSharedDependency = require("./ProvideSharedDependency");
+const ProvideSharedModuleFactory = require("./ProvideSharedModuleFactory");
+
+/** @typedef {import("../../declarations/plugins/sharing/ProvideSharedPlugin").ProvideSharedPluginOptions} ProvideSharedPluginOptions */
+/** @typedef {import("../Compilation")} Compilation */
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../NormalModuleFactory").NormalModuleCreateData} NormalModuleCreateData */
+
+const validate = createSchemaValidation(
+	require("../../schemas/plugins/sharing/ProvideSharedPlugin.check.js"),
+	() => require("../../schemas/plugins/sharing/ProvideSharedPlugin.json"),
+	{
+		name: "Provide Shared Plugin",
+		baseDataPath: "options"
+	}
+);
+
+/**
+ * @typedef {object} ProvideOptions
+ * @property {string} shareKey
+ * @property {string} shareScope
+ * @property {string | undefined | false} version
+ * @property {boolean} eager
+ */
+
+/** @typedef {Map<string, { config: ProvideOptions, version: string | undefined | false }>} ResolvedProvideMap */
+
+const PLUGIN_NAME = "ProvideSharedPlugin";
+
+class ProvideSharedPlugin {
+	/**
+	 * @param {ProvideSharedPluginOptions} options options
+	 */
+	constructor(options) {
+		validate(options);
+
+		this._provides = /** @type {[string, ProvideOptions][]} */ (
+			parseOptions(
+				options.provides,
+				item => {
+					if (Array.isArray(item))
+						throw new Error("Unexpected array of provides");
+					/** @type {ProvideOptions} */
+					const result = {
+						shareKey: item,
+						version: undefined,
+						shareScope: options.shareScope || "default",
+						eager: false
+					};
+					return result;
+				},
+				item => ({
+					shareKey: item.shareKey,
+					version: item.version,
+					shareScope: item.shareScope || options.shareScope || "default",
+					eager: Boolean(item.eager)
+				})
+			)
+		);
+		this._provides.sort(([a], [b]) => {
+			if (a < b) return -1;
+			if (b < a) return 1;
+			return 0;
+		});
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		/** @type {WeakMap<Compilation, ResolvedProvideMap>} */
+		const compilationData = new WeakMap();
+
+		compiler.hooks.compilation.tap(
+			PLUGIN_NAME,
+			(compilation, { normalModuleFactory }) => {
+				/** @type {ResolvedProvideMap} */
+				const resolvedProvideMap = new Map();
+				/** @type {Map<string, ProvideOptions>} */
+				const matchProvides = new Map();
+				/** @type {Map<string, ProvideOptions>} */
+				const prefixMatchProvides = new Map();
+				for (const [request, config] of this._provides) {
+					if (/^(\/|[A-Za-z]:\\|\\\\|\.\.?(\/|$))/.test(request)) {
+						// relative request
+						resolvedProvideMap.set(request, {
+							config,
+							version: config.version
+						});
+					} else if (/^(\/|[A-Za-z]:\\|\\\\)/.test(request)) {
+						// absolute path
+						resolvedProvideMap.set(request, {
+							config,
+							version: config.version
+						});
+					} else if (request.endsWith("/")) {
+						// module request prefix
+						prefixMatchProvides.set(request, config);
+					} else {
+						// module request
+						matchProvides.set(request, config);
+					}
+				}
+				compilationData.set(compilation, resolvedProvideMap);
+				/**
+				 * @param {string} key key
+				 * @param {ProvideOptions} config config
+				 * @param {NormalModuleCreateData["resource"]} resource resource
+				 * @param {NormalModuleCreateData["resourceResolveData"]} resourceResolveData resource resolve data
+				 */
+				const provideSharedModule = (
+					key,
+					config,
+					resource,
+					resourceResolveData
+				) => {
+					let version = config.version;
+					if (version === undefined) {
+						let details = "";
+						if (!resourceResolveData) {
+							details = "No resolve data provided from resolver.";
+						} else {
+							const descriptionFileData =
+								resourceResolveData.descriptionFileData;
+							if (!descriptionFileData) {
+								details =
+									"No description file (usually package.json) found. Add description file with name and version, or manually specify version in shared config.";
+							} else if (!descriptionFileData.version) {
+								details = `No version in description file (usually package.json). Add version to description file ${resourceResolveData.descriptionFilePath}, or manually specify version in shared config.`;
+							} else {
+								version = /** @type {string | false | undefined} */ (
+									descriptionFileData.version
+								);
+							}
+						}
+						if (!version) {
+							const error = new WebpackError(
+								`No version specified and unable to automatically determine one. ${details}`
+							);
+							error.file = `shared module ${key} -> ${resource}`;
+							compilation.warnings.push(error);
+						}
+					}
+					resolvedProvideMap.set(resource, {
+						config,
+						version
+					});
+				};
+				normalModuleFactory.hooks.module.tap(
+					PLUGIN_NAME,
+					(module, { resource, resourceResolveData }, resolveData) => {
+						if (resolvedProvideMap.has(/** @type {string} */ (resource))) {
+							return module;
+						}
+						const { request } = resolveData;
+						{
+							const config = matchProvides.get(request);
+							if (config !== undefined) {
+								provideSharedModule(
+									request,
+									config,
+									/** @type {string} */ (resource),
+									resourceResolveData
+								);
+								resolveData.cacheable = false;
+							}
+						}
+						for (const [prefix, config] of prefixMatchProvides) {
+							if (request.startsWith(prefix)) {
+								const remainder = request.slice(prefix.length);
+								provideSharedModule(
+									/** @type {string} */ (resource),
+									{
+										...config,
+										shareKey: config.shareKey + remainder
+									},
+									/** @type {string} */ (resource),
+									resourceResolveData
+								);
+								resolveData.cacheable = false;
+							}
+						}
+						return module;
+					}
+				);
+			}
+		);
+		compiler.hooks.finishMake.tapPromise(PLUGIN_NAME, compilation => {
+			const resolvedProvideMap = compilationData.get(compilation);
+			if (!resolvedProvideMap) return Promise.resolve();
+			return Promise.all(
+				Array.from(
+					resolvedProvideMap,
+					([resource, { config, version }]) =>
+						new Promise((resolve, reject) => {
+							compilation.addInclude(
+								compiler.context,
+								new ProvideSharedDependency(
+									config.shareScope,
+									config.shareKey,
+									version || false,
+									resource,
+									config.eager
+								),
+								{
+									name: undefined
+								},
+								err => {
+									if (err) return reject(err);
+									resolve(null);
+								}
+							);
+						})
+				)
+			).then(() => {});
+		});
+
+		compiler.hooks.compilation.tap(
+			PLUGIN_NAME,
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					ProvideForSharedDependency,
+					normalModuleFactory
+				);
+
+				compilation.dependencyFactories.set(
+					ProvideSharedDependency,
+					new ProvideSharedModuleFactory()
+				);
+			}
+		);
+	}
+}
+
+module.exports = ProvideSharedPlugin;