1 files changed, 78 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/runtime/OnChunksLoadedRuntimeModule.js b/node_modules/webpack/lib/runtime/OnChunksLoadedRuntimeModule.js
new file mode 100644
index 00000000..2224d02b
--- /dev/null
+++ b/node_modules/webpack/lib/runtime/OnChunksLoadedRuntimeModule.js
@@ -0,0 +1,78 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+const RuntimeGlobals = require("../RuntimeGlobals");
+const RuntimeModule = require("../RuntimeModule");
+const Template = require("../Template");
+
+/** @typedef {import("../Compilation")} Compilation */
+
+class OnChunksLoadedRuntimeModule extends RuntimeModule {
+	constructor() {
+		super("chunk loaded");
+	}
+
+	/**
+	 * @returns {string | null} runtime code
+	 */
+	generate() {
+		const compilation = /** @type {Compilation} */ (this.compilation);
+		const { runtimeTemplate } = compilation;
+		return Template.asString([
+			"var deferred = [];",
+			`${RuntimeGlobals.onChunksLoaded} = ${runtimeTemplate.basicFunction(
+				"result, chunkIds, fn, priority",
+				[
+					"if(chunkIds) {",
+					Template.indent([
+						"priority = priority || 0;",
+						"for(var i = deferred.length; i > 0 && deferred[i - 1][2] > priority; i--) deferred[i] = deferred[i - 1];",
+						"deferred[i] = [chunkIds, fn, priority];",
+						"return;"
+					]),
+					"}",
+					"var notFulfilled = Infinity;",
+					"for (var i = 0; i < deferred.length; i++) {",
+					Template.indent([
+						runtimeTemplate.destructureArray(
+							["chunkIds", "fn", "priority"],
+							"deferred[i]"
+						),
+						"var fulfilled = true;",
+						"for (var j = 0; j < chunkIds.length; j++) {",
+						Template.indent([
+							`if ((priority & 1 === 0 || notFulfilled >= priority) && Object.keys(${
+								RuntimeGlobals.onChunksLoaded
+							}).every(${runtimeTemplate.returningFunction(
+								`${RuntimeGlobals.onChunksLoaded}[key](chunkIds[j])`,
+								"key"
+							)})) {`,
+							Template.indent(["chunkIds.splice(j--, 1);"]),
+							"} else {",
+							Template.indent([
+								"fulfilled = false;",
+								"if(priority < notFulfilled) notFulfilled = priority;"
+							]),
+							"}"
+						]),
+						"}",
+						"if(fulfilled) {",
+						Template.indent([
+							"deferred.splice(i--, 1)",
+							"var r = fn();",
+							"if (r !== undefined) result = r;"
+						]),
+						"}"
+					]),
+					"}",
+					"return result;"
+				]
+			)};`
+		]);
+	}
+}
+
+module.exports = OnChunksLoadedRuntimeModule;