Remove unused lodash deps. Replace isEmpty with Object.keys to check …

…if the network elements objects are empty.

refs #48

package.json

@@ -64,7 +64,6 @@
     "lodash.get": "^4.4.2",
     "lodash.groupby": "^4.6.0",
     "lodash.intersection": "^4.4.0",
-    "lodash.isempty": "^4.4.0",
     "lodash.union": "^4.6.0",
     "lodash.uniq": "^4.5.0",
     "mysql2": "^2.1.0",
@@ -129,7 +128,6 @@
     "lodash.difference": "general difference function for objects, lists, etc",
     "lodash.groupby": "general groupby function",
     "lodash.intersection": "general intersection function for objects, lists, etc",
-    "lodash.isempty": "general check for is empty, could be removed as we only use it a few times and can replace it with .length === 0",
     "lodash.union": "general union function for objects, lists, etc",
     "lodash.uniq": "compute uniques in an list",
     "object-hash": "compute hashes for keys",

src/client/js/util/index.js

@@ -1,14 +1,14 @@
-let deepCopy = obj => JSON.parse(JSON.stringify(obj));
+let deepCopy = (obj) => JSON.parse(JSON.stringify(obj));
 
-let sum = arr => arr.reduce((a, b) => a + b, 0);
+let sum = (arr) => arr.reduce((a, b) => a + b, 0);
 
-let capitalizeFirstLetter = str => str.charAt(0).toUpperCase() + str.slice(1);
+let capitalizeFirstLetter = (str) => str.charAt(0).toUpperCase() + str.slice(1);
 
-let max = arr => Math.max(...arr);
+let max = (arr) => Math.max(...arr);
 
-let min = arr => Math.min(...arr);
+let min = (arr) => Math.min(...arr);
 
-let flatten = arr => arr.reduce((a, b) => a.concat(b), []);
+let flatten = (arr) => arr.reduce((a, b) => a.concat(b), []);
 
 let unique = require('lodash.uniq');
 
@@ -18,16 +18,14 @@ let union = require('lodash.union');
 
 let difference = require('lodash.difference');
 
-let isEmpty = require('lodash.isempty');
-
 let debounce = require('lodash.debounce');
 
-let groupBy = require('lodash.groupby');
-
-let prettyPrintArray = arr => {
+let prettyPrintArray = (arr) => {
   let label;
 
-  if (arr === []) { return ''; }
+  if (arr === []) {
+    return '';
+  }
 
   if (arr.length === 1) {
     label = arr[0];
@@ -38,14 +36,15 @@ let prettyPrintArray = arr => {
   }
 
   if (arr.length > 2) {
-    label = `${arr.slice(0, arr.length - 2).join(', ')} and ${arr[arr.length - 1]}`;
+    label = `${arr.slice(0, arr.length - 2).join(', ')} and ${
+      arr[arr.length - 1]
+    }`;
   }
 
   return label;
 };
 
 module.exports = {
-  isEmpty,
   deepCopy,
   debounce,
   sum,
@@ -57,6 +56,5 @@ module.exports = {
   union,
   flatten,
   difference,
-  groupBy,
-  prettyPrintArray
+  prettyPrintArray,
 };