ayanova/src/api/gzutil.js

@@ -383,6 +383,30 @@ export default {
   sleepAsync: function(milliseconds) {
     // eslint-disable-next-line
     return new Promise((resolve) => setTimeout(resolve, milliseconds));
+  },
+  ///////////////////////////////////////////////
+  // sortByKey lodash "sortBy" replacement
+  // https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_sortby-and-_orderby
+  //usage:
+  // The native sort modifies the array in place. `_.orderBy` and `_.sortBy` do not, so we use `.concat()` to
+  // copy the array, then sort.
+  // fruits.concat().sort(sortBy("name"));
+  // => [{name:"apple", amount: 4}, {name:"banana", amount: 2}, {name:"mango", amount: 1}, {name:"pineapple", amount: 2}]
+  sortByKey: key => {
+    return (a, b) => (a[key] > b[key] ? 1 : b[key] > a[key] ? -1 : 0);
+  },
+  ///////////////////////////////////////////////
+  // "has" lodash replacement
+  // https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_has
+  //
+  has: function(obj, key) {
+    var keyParts = key.split(".");
+    return (
+      !!obj &&
+      (keyParts.length > 1
+        ? has(obj[key.split(".")[0]], keyParts.slice(1).join("."))
+        : hasOwnProperty.call(obj, key))
+    );
   }
 
   /**