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app_vue/node_modules/webpack/lib/async-modules/InferAsyncModulesPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
+
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Module")} Module */
+
+const PLUGIN_NAME = "InferAsyncModulesPlugin";
+
+class InferAsyncModulesPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(PLUGIN_NAME, compilation => {
+			const { moduleGraph } = compilation;
+			compilation.hooks.finishModules.tap(PLUGIN_NAME, modules => {
+				/** @type {Set<Module>} */
+				const queue = new Set();
+				for (const module of modules) {
+					if (module.buildMeta && module.buildMeta.async) {
+						queue.add(module);
+					}
+				}
+				for (const module of queue) {
+					moduleGraph.setAsync(module);
+					for (const [
+						originModule,
+						connections
+					] of moduleGraph.getIncomingConnectionsByOriginModule(module)) {
+						if (
+							connections.some(
+								c =>
+									c.dependency instanceof HarmonyImportDependency &&
+									c.isTargetActive(undefined)
+							)
+						) {
+							queue.add(/** @type {Module} */ (originModule));
+						}
+					}
+				}
+			});
+		});
+	}
+}
+
+module.exports = InferAsyncModulesPlugin;