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node_modules/webpack/lib/dependencies/ImportDependency.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const Dependency = require("../Dependency");
+const makeSerializable = require("../util/makeSerializable");
+const ModuleDependency = require("./ModuleDependency");
+
+/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
+/** @typedef {import("../AsyncDependenciesBlock")} AsyncDependenciesBlock */
+/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
+/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../Module").BuildMeta} BuildMeta */
+/** @typedef {import("../ModuleGraph")} ModuleGraph */
+/** @typedef {import("../javascript/JavascriptParser").Range} Range */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
+
+class ImportDependency extends ModuleDependency {
+	/**
+	 * @param {string} request the request
+	 * @param {Range} range expression range
+	 * @param {(string[][] | null)=} referencedExports list of referenced exports
+	 */
+	constructor(request, range, referencedExports) {
+		super(request);
+		this.range = range;
+		this.referencedExports = referencedExports;
+	}
+
+	get type() {
+		return "import()";
+	}
+
+	get category() {
+		return "esm";
+	}
+
+	/**
+	 * Returns list of exports referenced by this dependency
+	 * @param {ModuleGraph} moduleGraph module graph
+	 * @param {RuntimeSpec} runtime the runtime for which the module is analysed
+	 * @returns {(string[] | ReferencedExport)[]} referenced exports
+	 */
+	getReferencedExports(moduleGraph, runtime) {
+		return this.referencedExports
+			? this.referencedExports.map(e => ({
+					name: e,
+					canMangle: false
+			  }))
+			: Dependency.EXPORTS_OBJECT_REFERENCED;
+	}
+
+	/**
+	 * @param {ObjectSerializerContext} context context
+	 */
+	serialize(context) {
+		context.write(this.range);
+		context.write(this.referencedExports);
+		super.serialize(context);
+	}
+
+	/**
+	 * @param {ObjectDeserializerContext} context context
+	 */
+	deserialize(context) {
+		this.range = context.read();
+		this.referencedExports = context.read();
+		super.deserialize(context);
+	}
+}
+
+makeSerializable(ImportDependency, "webpack/lib/dependencies/ImportDependency");
+
+ImportDependency.Template = class ImportDependencyTemplate extends (
+	ModuleDependency.Template
+) {
+	/**
+	 * @param {Dependency} dependency the dependency for which the template should be applied
+	 * @param {ReplaceSource} source the current replace source which can be modified
+	 * @param {DependencyTemplateContext} templateContext the context object
+	 * @returns {void}
+	 */
+	apply(
+		dependency,
+		source,
+		{ runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements }
+	) {
+		const dep = /** @type {ImportDependency} */ (dependency);
+		const block = /** @type {AsyncDependenciesBlock} */ (
+			moduleGraph.getParentBlock(dep)
+		);
+		const content = runtimeTemplate.moduleNamespacePromise({
+			chunkGraph,
+			block: block,
+			module: /** @type {Module} */ (moduleGraph.getModule(dep)),
+			request: dep.request,
+			strict: /** @type {BuildMeta} */ (module.buildMeta).strictHarmonyModule,
+			message: "import()",
+			runtimeRequirements
+		});
+
+		source.replace(dep.range[0], dep.range[1] - 1, content);
+	}
+};
+
+module.exports = ImportDependency;