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node_modules/webpack/lib/async-modules/AsyncModuleHelpers.js

@@ -0,0 +1,52 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Haijie Xie @hai-x
+*/
+
+"use strict";
+
+const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
+
+/** @typedef {import("../ModuleGraph")} ModuleGraph */
+/** @typedef {import("../Module")} Module */
+
+/** @typedef {Set<Module>} Modules */
+
+/**
+ * @param {ModuleGraph} moduleGraph module graph
+ * @param {Module} module module
+ * @returns {Modules} set of modules
+ */
+const getOutgoingAsyncModules = (moduleGraph, module) => {
+	/** @type {Modules} */
+	const set = new Set();
+	/** @type {Modules} */
+	const seen = new Set();
+	(function g(module) {
+		if (!moduleGraph.isAsync(module) || seen.has(module)) return;
+		seen.add(module);
+		if (module.buildMeta && module.buildMeta.async) {
+			set.add(module);
+		} else {
+			const outgoingConnectionMap =
+				moduleGraph.getOutgoingConnectionsByModule(module);
+			if (outgoingConnectionMap) {
+				for (const [module, connections] of outgoingConnectionMap) {
+					if (
+						connections.some(
+							(c) =>
+								c.dependency instanceof HarmonyImportDependency &&
+								c.isTargetActive(undefined)
+						) &&
+						module
+					) {
+						g(module);
+					}
+				}
+			}
+		}
+	})(module);
+	return set;
+};
+
+module.exports.getOutgoingAsyncModules = getOutgoingAsyncModules;