1 files changed, 167 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js b/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js
new file mode 100644
index 00000000..76971193
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js
@@ -0,0 +1,167 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DependencyReference = require("./DependencyReference");
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+const HarmonyLinkingError = require("../HarmonyLinkingError");
+
+class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
+	constructor(
+		request,
+		originModule,
+		sourceOrder,
+		parserScope,
+		id,
+		name,
+		range,
+		strictExportPresence
+	) {
+		super(request, originModule, sourceOrder, parserScope);
+		this.id = id === null ? null : `${id}`;
+		this.redirectedId = undefined;
+		this.name = name;
+		this.range = range;
+		this.strictExportPresence = strictExportPresence;
+		this.namespaceObjectAsContext = false;
+		this.callArgs = undefined;
+		this.call = undefined;
+		this.directImport = undefined;
+		this.shorthand = undefined;
+	}
+
+	get type() {
+		return "harmony import specifier";
+	}
+
+	get _id() {
+		return this.redirectedId || this.id;
+	}
+
+	getReference() {
+		if (!this._module) return null;
+		return new DependencyReference(
+			this._module,
+			this._id && !this.namespaceObjectAsContext ? [this._id] : true,
+			false,
+			this.sourceOrder
+		);
+	}
+
+	getWarnings() {
+		if (
+			this.strictExportPresence ||
+			this.originModule.buildMeta.strictHarmonyModule
+		) {
+			return [];
+		}
+		return this._getErrors();
+	}
+
+	getErrors() {
+		if (
+			this.strictExportPresence ||
+			this.originModule.buildMeta.strictHarmonyModule
+		) {
+			return this._getErrors();
+		}
+		return [];
+	}
+
+	_getErrors() {
+		const importedModule = this._module;
+		if (!importedModule) {
+			return;
+		}
+
+		if (!importedModule.buildMeta || !importedModule.buildMeta.exportsType) {
+			// It's not an harmony module
+			if (
+				this.originModule.buildMeta.strictHarmonyModule &&
+				this._id !== "default"
+			) {
+				// In strict harmony modules we only support the default export
+				const exportName = this._id
+					? `the named export '${this._id}'`
+					: "the namespace object";
+				return [
+					new HarmonyLinkingError(
+						`Can't import ${exportName} from non EcmaScript module (only default export is available)`
+					)
+				];
+			}
+			return;
+		}
+
+		if (!this._id) {
+			return;
+		}
+
+		if (importedModule.isProvided(this._id) !== false) {
+			// It's provided or we are not sure
+			return;
+		}
+
+		// We are sure that it's not provided
+		const idIsNotNameMessage =
+			this._id !== this.name ? ` (imported as '${this.name}')` : "";
+		const errorMessage = `"export '${
+			this._id
+		}'${idIsNotNameMessage} was not found in '${this.userRequest}'`;
+		return [new HarmonyLinkingError(errorMessage)];
+	}
+
+	// implement this method to allow the occurrence order plugin to count correctly
+	getNumberOfIdOccurrences() {
+		return 0;
+	}
+
+	updateHash(hash) {
+		super.updateHash(hash);
+		const importedModule = this._module;
+		hash.update((importedModule && this._id) + "");
+		hash.update(
+			(importedModule && this._id && importedModule.isUsed(this._id)) + ""
+		);
+		hash.update(
+			(importedModule &&
+				(!importedModule.buildMeta || importedModule.buildMeta.exportsType)) +
+				""
+		);
+		hash.update(
+			(importedModule &&
+				importedModule.used + JSON.stringify(importedModule.usedExports)) + ""
+		);
+	}
+
+	disconnect() {
+		super.disconnect();
+		this.redirectedId = undefined;
+	}
+}
+
+HarmonyImportSpecifierDependency.Template = class HarmonyImportSpecifierDependencyTemplate extends HarmonyImportDependency.Template {
+	apply(dep, source, runtime) {
+		super.apply(dep, source, runtime);
+		const content = this.getContent(dep, runtime);
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+
+	getContent(dep, runtime) {
+		const exportExpr = runtime.exportFromImport({
+			module: dep._module,
+			request: dep.request,
+			exportName: dep._id,
+			originModule: dep.originModule,
+			asiSafe: dep.shorthand,
+			isCall: dep.call,
+			callContext: !dep.directImport,
+			importVar: dep.getImportVar()
+		});
+		return dep.shorthand ? `${dep.name}: ${exportExpr}` : exportExpr;
+	}
+};
+
+module.exports = HarmonyImportSpecifierDependency;