настройка webpack

node_modules/webpack/lib/dependencies/HarmonyImportDependency.js

@@ -0,0 +1,109 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const ModuleDependency = require("./ModuleDependency");
+const Template = require("../Template");
+
+class HarmonyImportDependency extends ModuleDependency {
+	constructor(request, originModule, sourceOrder, parserScope) {
+		super(request);
+		this.redirectedModule = undefined;
+		this.originModule = originModule;
+		this.sourceOrder = sourceOrder;
+		this.parserScope = parserScope;
+	}
+
+	get _module() {
+		return this.redirectedModule || this.module;
+	}
+
+	getReference() {
+		if (!this._module) return null;
+		return new DependencyReference(
+			this._module,
+			false,
+			this.weak,
+			this.sourceOrder
+		);
+	}
+
+	getImportVar() {
+		let importVarMap = this.parserScope.importVarMap;
+		if (!importVarMap) this.parserScope.importVarMap = importVarMap = new Map();
+		let importVar = importVarMap.get(this._module);
+		if (importVar) return importVar;
+		importVar = `${Template.toIdentifier(
+			`${this.userRequest}`
+		)}__WEBPACK_IMPORTED_MODULE_${importVarMap.size}__`;
+		importVarMap.set(this._module, importVar);
+		return importVar;
+	}
+
+	getImportStatement(update, runtime) {
+		return runtime.importStatement({
+			update,
+			module: this._module,
+			importVar: this.getImportVar(),
+			request: this.request,
+			originModule: this.originModule
+		});
+	}
+
+	updateHash(hash) {
+		super.updateHash(hash);
+		const importedModule = this._module;
+		hash.update(
+			(importedModule &&
+				(!importedModule.buildMeta || importedModule.buildMeta.exportsType)) +
+				""
+		);
+		hash.update((importedModule && importedModule.id) + "");
+	}
+
+	disconnect() {
+		super.disconnect();
+		this.redirectedModule = undefined;
+	}
+}
+
+module.exports = HarmonyImportDependency;
+
+const importEmittedMap = new WeakMap();
+
+HarmonyImportDependency.Template = class HarmonyImportDependencyTemplate {
+	apply(dep, source, runtime) {
+		// no-op
+	}
+
+	getHarmonyInitOrder(dep) {
+		return dep.sourceOrder;
+	}
+
+	static isImportEmitted(dep, source) {
+		let sourceInfo = importEmittedMap.get(source);
+		if (!sourceInfo) return false;
+		const key = dep._module || dep.request;
+		return key && sourceInfo.emittedImports.get(key);
+	}
+
+	harmonyInit(dep, source, runtime, dependencyTemplates) {
+		let sourceInfo = importEmittedMap.get(source);
+		if (!sourceInfo) {
+			importEmittedMap.set(
+				source,
+				(sourceInfo = {
+					emittedImports: new Map()
+				})
+			);
+		}
+		const key = dep._module || dep.request;
+		if (key && sourceInfo.emittedImports.get(key)) return;
+		sourceInfo.emittedImports.set(key, true);
+		const content = dep.getImportStatement(false, runtime);
+		source.insert(-1, content);
+	}
+};