chushihua

node_modules/webpack/lib/BannerPlugin.js

@@ -0,0 +1,75 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+
+"use strict";
+
+const ConcatSource = require("webpack-sources").ConcatSource;
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+
+const wrapComment = (str) => {
+	if(!str.includes("\n")) return `/*! ${str} */`;
+	return `/*!\n * ${str.split("\n").join("\n * ")}\n */`;
+};
+
+class BannerPlugin {
+	constructor(options) {
+		if(arguments.length > 1)
+			throw new Error("BannerPlugin only takes one argument (pass an options object)");
+		if(typeof options === "string")
+			options = {
+				banner: options
+			};
+		this.options = options || {};
+		this.banner = this.options.raw ? options.banner : wrapComment(options.banner);
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		const banner = this.banner;
+
+		compiler.plugin("compilation", (compilation) => {
+			compilation.plugin("optimize-chunk-assets", (chunks, callback) => {
+				chunks.forEach((chunk) => {
+					if(options.entryOnly && !chunk.isInitial()) return;
+					chunk.files
+						.filter(ModuleFilenameHelpers.matchObject.bind(undefined, options))
+						.forEach((file) => {
+							let basename;
+							let query = "";
+							let filename = file;
+							const hash = compilation.hash;
+							const querySplit = filename.indexOf("?");
+
+							if(querySplit >= 0) {
+								query = filename.substr(querySplit);
+								filename = filename.substr(0, querySplit);
+							}
+
+							const lastSlashIndex = filename.lastIndexOf("/");
+
+							if(lastSlashIndex === -1) {
+								basename = filename;
+							} else {
+								basename = filename.substr(lastSlashIndex + 1);
+							}
+
+							const comment = compilation.getPath(banner, {
+								hash,
+								chunk,
+								filename,
+								basename,
+								query,
+							});
+
+							return compilation.assets[file] = new ConcatSource(comment, "\n", compilation.assets[file]);
+						});
+				});
+				callback();
+			});
+		});
+	}
+}
+
+module.exports = BannerPlugin;