chushihua

node_modules/webpack/lib/dependencies/ImportWeakDependency.js

@@ -0,0 +1,47 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+const webpackMissingPromiseModule = require("./WebpackMissingModule").promise;
+
+class ImportWeakDependency extends ModuleDependency {
+	constructor(request, range) {
+		super(request);
+		this.range = range;
+		this.weak = true;
+	}
+
+	get type() {
+		return "import() weak";
+	}
+}
+
+ImportWeakDependency.Template = class ImportDependencyTemplate {
+	apply(dep, source, outputOptions, requestShortener) {
+		const comment = this.getOptionalComment(outputOptions.pathinfo, requestShortener.shorten(dep.request));
+
+		const content = this.getContent(dep, comment);
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+
+	getOptionalComment(pathinfo, shortenedRequest) {
+		if(!pathinfo) {
+			return "";
+		}
+
+		return `/*! ${shortenedRequest} */ `;
+	}
+
+	getContent(dep, comment) {
+		if(dep.module) {
+			const stringifiedId = JSON.stringify(dep.module.id);
+			return `Promise.resolve(${comment}${stringifiedId}).then(function(id) { if(!__webpack_require__.m[id]) throw new Error("Module '" + id + "' is not available (weak dependency)"); return __webpack_require__(id); })`;
+		}
+
+		return webpackMissingPromiseModule(dep.request);
+	}
+};
+
+module.exports = ImportWeakDependency;