1 files changed, 130 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/BannerPlugin.js b/node_modules/webpack/lib/BannerPlugin.js
new file mode 100644
index 00000000..cf7c0530
--- /dev/null
+++ b/node_modules/webpack/lib/BannerPlugin.js
@@ -0,0 +1,130 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+const Compilation = require("./Compilation");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const Template = require("./Template");
+const createSchemaValidation = require("./util/create-schema-validation");
+
+/** @typedef {import("../declarations/plugins/BannerPlugin").BannerFunction} BannerFunction */
+/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginArgument} BannerPluginArgument */
+/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginOptions} BannerPluginOptions */
+/** @typedef {import("./Compiler")} Compiler */
+
+const validate = createSchemaValidation(
+	require("../schemas/plugins/BannerPlugin.check.js"),
+	() => require("../schemas/plugins/BannerPlugin.json"),
+	{
+		name: "Banner Plugin",
+		baseDataPath: "options"
+	}
+);
+
+/**
+ * @param {string} str string to wrap
+ * @returns {string} wrapped string
+ */
+const wrapComment = str => {
+	if (!str.includes("\n")) {
+		return Template.toComment(str);
+	}
+	return `/*!\n * ${str
+		.replace(/\*\//g, "* /")
+		.split("\n")
+		.join("\n * ")
+		.replace(/\s+\n/g, "\n")
+		.trimEnd()}\n */`;
+};
+
+class BannerPlugin {
+	/**
+	 * @param {BannerPluginArgument} options options object
+	 */
+	constructor(options) {
+		if (typeof options === "string" || typeof options === "function") {
+			options = {
+				banner: options
+			};
+		}
+
+		validate(options);
+
+		this.options = options;
+
+		const bannerOption = options.banner;
+		if (typeof bannerOption === "function") {
+			const getBanner = bannerOption;
+			this.banner = this.options.raw
+				? getBanner
+				: /** @type {BannerFunction} */ data => wrapComment(getBanner(data));
+		} else {
+			const banner = this.options.raw
+				? bannerOption
+				: wrapComment(bannerOption);
+			this.banner = () => banner;
+		}
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const options = this.options;
+		const banner = this.banner;
+		const matchObject = ModuleFilenameHelpers.matchObject.bind(
+			undefined,
+			options
+		);
+		const cache = new WeakMap();
+
+		compiler.hooks.compilation.tap("BannerPlugin", compilation => {
+			compilation.hooks.processAssets.tap(
+				{
+					name: "BannerPlugin",
+					stage: Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
+				},
+				() => {
+					for (const chunk of compilation.chunks) {
+						if (options.entryOnly && !chunk.canBeInitial()) {
+							continue;
+						}
+
+						for (const file of chunk.files) {
+							if (!matchObject(file)) {
+								continue;
+							}
+
+							const data = {
+								chunk,
+								filename: file
+							};
+
+							const comment = compilation.getPath(banner, data);
+
+							compilation.updateAsset(file, old => {
+								let cached = cache.get(old);
+								if (!cached || cached.comment !== comment) {
+									const source = options.footer
+										? new ConcatSource(old, "\n", comment)
+										: new ConcatSource(comment, "\n", old);
+									cache.set(old, { source, comment });
+									return source;
+								}
+								return cached.source;
+							});
+						}
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = BannerPlugin;