chushihua

node_modules/webpack/lib/dependencies/HarmonyExportSpecifierDependency.js

@@ -0,0 +1,54 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyExportSpecifierDependency extends NullDependency {
+	constructor(originModule, id, name, position, immutable) {
+		super();
+		this.originModule = originModule;
+		this.id = id;
+		this.name = name;
+		this.position = position;
+		this.immutable = immutable;
+	}
+
+	get type() {
+		return "harmony export specifier";
+	}
+
+	getExports() {
+		return {
+			exports: [this.name]
+		};
+	}
+}
+
+HarmonyExportSpecifierDependency.Template = class HarmonyExportSpecifierDependencyTemplate {
+	apply(dep, source) {
+		const content = this.getPrefix(dep) + this.getContent(dep);
+		source.insert(dep.position, content);
+	}
+
+	getPrefix(dep) {
+		return dep.position > 0 ? "\n" : "";
+	}
+
+	getContent(dep) {
+		const used = dep.originModule.isUsed(dep.name);
+		if(!used) {
+			return `/* unused harmony export ${(dep.name || "namespace")} */\n`;
+		}
+
+		const exportsName = dep.originModule.exportsArgument || "exports";
+		if(dep.immutable) {
+			return `/* harmony export (immutable) */ ${exportsName}[${JSON.stringify(used)}] = ${dep.id};\n`;
+		}
+
+		return `/* harmony export (binding) */ __webpack_require__.d(${exportsName}, ${JSON.stringify(used)}, function() { return ${dep.id}; });\n`;
+	}
+};
+
+module.exports = HarmonyExportSpecifierDependency;