1 files changed, 110 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/ExternalModuleFactoryPlugin.js b/node_modules/webpack/lib/ExternalModuleFactoryPlugin.js
new file mode 100644
index 0000000..b75cc74
--- /dev/null
+++ b/node_modules/webpack/lib/ExternalModuleFactoryPlugin.js
@@ -0,0 +1,110 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ExternalModule = require("./ExternalModule");
+
+class ExternalModuleFactoryPlugin {
+	constructor(type, externals) {
+		this.type = type;
+		this.externals = externals;
+	}
+
+	apply(normalModuleFactory) {
+		const globalType = this.type;
+		normalModuleFactory.hooks.factory.tap(
+			"ExternalModuleFactoryPlugin",
+			factory => (data, callback) => {
+				const context = data.context;
+				const dependency = data.dependencies[0];
+
+				const handleExternal = (value, type, callback) => {
+					if (typeof type === "function") {
+						callback = type;
+						type = undefined;
+					}
+					if (value === false) return factory(data, callback);
+					if (value === true) value = dependency.request;
+					if (type === undefined && /^[a-z0-9]+ /.test(value)) {
+						const idx = value.indexOf(" ");
+						type = value.substr(0, idx);
+						value = value.substr(idx + 1);
+					}
+					callback(
+						null,
+						new ExternalModule(value, type || globalType, dependency.request)
+					);
+					return true;
+				};
+
+				const handleExternals = (externals, callback) => {
+					if (typeof externals === "string") {
+						if (externals === dependency.request) {
+							return handleExternal(dependency.request, callback);
+						}
+					} else if (Array.isArray(externals)) {
+						let i = 0;
+						const next = () => {
+							let asyncFlag;
+							const handleExternalsAndCallback = (err, module) => {
+								if (err) return callback(err);
+								if (!module) {
+									if (asyncFlag) {
+										asyncFlag = false;
+										return;
+									}
+									return next();
+								}
+								callback(null, module);
+							};
+
+							do {
+								asyncFlag = true;
+								if (i >= externals.length) return callback();
+								handleExternals(externals[i++], handleExternalsAndCallback);
+							} while (!asyncFlag);
+							asyncFlag = false;
+						};
+
+						next();
+						return;
+					} else if (externals instanceof RegExp) {
+						if (externals.test(dependency.request)) {
+							return handleExternal(dependency.request, callback);
+						}
+					} else if (typeof externals === "function") {
+						externals.call(
+							null,
+							context,
+							dependency.request,
+							(err, value, type) => {
+								if (err) return callback(err);
+								if (value !== undefined) {
+									handleExternal(value, type, callback);
+								} else {
+									callback();
+								}
+							}
+						);
+						return;
+					} else if (
+						typeof externals === "object" &&
+						Object.prototype.hasOwnProperty.call(externals, dependency.request)
+					) {
+						return handleExternal(externals[dependency.request], callback);
+					}
+					callback();
+				};
+
+				handleExternals(this.externals, (err, module) => {
+					if (err) return callback(err);
+					if (!module) return handleExternal(false, callback);
+					return callback(null, module);
+				});
+			}
+		);
+	}
+}
+module.exports = ExternalModuleFactoryPlugin;