chushihua

node_modules/webpack/lib/LibManifestPlugin.js

@@ -0,0 +1,63 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const asyncLib = require("async");
+
+class LibManifestPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		compiler.plugin("emit", (compilation, callback) => {
+			asyncLib.forEach(compilation.chunks, (chunk, callback) => {
+				if(!chunk.isInitial()) {
+					callback();
+					return;
+				}
+				const targetPath = compilation.getPath(this.options.path, {
+					hash: compilation.hash,
+					chunk
+				});
+				const name = this.options.name && compilation.getPath(this.options.name, {
+					hash: compilation.hash,
+					chunk
+				});
+				const manifest = {
+					name,
+					type: this.options.type,
+					content: chunk.mapModules(module => {
+						if(module.libIdent) {
+							const ident = module.libIdent({
+								context: this.options.context || compiler.options.context
+							});
+							if(ident) {
+								return {
+									ident,
+									data: {
+										id: module.id,
+										meta: module.meta,
+										exports: Array.isArray(module.providedExports) ? module.providedExports : undefined
+									}
+								};
+							}
+						}
+					}).filter(Boolean).reduce((obj, item) => {
+						obj[item.ident] = item.data;
+						return obj;
+					}, Object.create(null))
+				};
+				const content = new Buffer(JSON.stringify(manifest), "utf8"); //eslint-disable-line
+				compiler.outputFileSystem.mkdirp(path.dirname(targetPath), err => {
+					if(err) return callback(err);
+					compiler.outputFileSystem.writeFile(targetPath, content, callback);
+				});
+			}, callback);
+		});
+	}
+}
+module.exports = LibManifestPlugin;