pre-installations and preparations

node_modules/@mui/utils/node/createChainedFunction/createChainedFunction.js

@@ -0,0 +1,23 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = createChainedFunction;
+/**
+ * Safe chained function.
+ *
+ * Will only create a new function if needed,
+ * otherwise will pass back existing functions or null.
+ */
+function createChainedFunction(...funcs) {
+  return funcs.reduce((acc, func) => {
+    if (func == null) {
+      return acc;
+    }
+    return function chainedFunction(...args) {
+      acc.apply(this, args);
+      func.apply(this, args);
+    };
+  }, () => {});
+}