ui

app/code/node_modules/collect.js/src/methods/keyBy.js

@@ -0,0 +1,22 @@
+'use strict';
+
+const nestedValue = require('../helpers/nestedValue');
+const { isFunction } = require('../helpers/is');
+
+module.exports = function keyBy(key) {
+  const collection = {};
+
+  if (isFunction(key)) {
+    this.items.forEach((item) => {
+      collection[key(item)] = item;
+    });
+  } else {
+    this.items.forEach((item) => {
+      const keyValue = nestedValue(item, key);
+
+      collection[keyValue || ''] = item;
+    });
+  }
+
+  return new this.constructor(collection);
+};