ui

app/code/node_modules/collect.js/dist/methods/first.js

@@ -0,0 +1,41 @@
+'use strict';
+
+var _require = require('../helpers/is'),
+    isFunction = _require.isFunction;
+
+module.exports = function first(fn, defaultValue) {
+  if (isFunction(fn)) {
+    var keys = Object.keys(this.items);
+
+    for (var i = 0; i < keys.length; i += 1) {
+      var key = keys[i];
+      var item = this.items[key];
+
+      if (fn(item, key)) {
+        return item;
+      }
+    }
+
+    if (isFunction(defaultValue)) {
+      return defaultValue();
+    }
+
+    return defaultValue;
+  }
+
+  if (Array.isArray(this.items) && this.items.length || Object.keys(this.items).length) {
+    if (Array.isArray(this.items)) {
+      return this.items[0];
+    }
+
+    var firstKey = Object.keys(this.items)[0];
+
+    return this.items[firstKey];
+  }
+
+  if (isFunction(defaultValue)) {
+    return defaultValue();
+  }
+
+  return defaultValue;
+};