chushihua

node_modules/webpack/lib/dependencies/HarmonyExportExpressionDependency.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyExportExpressionDependency extends NullDependency {
+	constructor(originModule, range, rangeStatement) {
+		super();
+		this.originModule = originModule;
+		this.range = range;
+		this.rangeStatement = rangeStatement;
+	}
+
+	get type() {
+		return "harmony export expression";
+	}
+
+	getExports() {
+		return {
+			exports: ["default"]
+		};
+	}
+}
+
+HarmonyExportExpressionDependency.Template = class HarmonyExportDependencyTemplate {
+	apply(dep, source) {
+		const used = dep.originModule.isUsed("default");
+		const content = this.getContent(dep.originModule, used);
+
+		if(dep.range) {
+			source.replace(dep.rangeStatement[0], dep.range[0] - 1, content + "(");
+			source.replace(dep.range[1], dep.rangeStatement[1] - 1, ");");
+			return;
+		}
+
+		source.replace(dep.rangeStatement[0], dep.rangeStatement[1] - 1, content);
+	}
+
+	getContent(module, used) {
+		const exportsName = module.exportsArgument || "exports";
+		if(used) {
+			return `/* harmony default export */ ${exportsName}[${JSON.stringify(used)}] = `;
+		}
+		return "/* unused harmony default export */ var _unused_webpack_default_export = ";
+	}
+};
+
+module.exports = HarmonyExportExpressionDependency;