Switch entirely to fat arrow functions

client/source/scripts/util/filterTorrents.js

@@ -7,13 +7,13 @@ export function filterTorrents(torrentList, opts) {
   if (filter !== 'all') {
     if (type === 'status') {
       let statusFilter = statusMap[filter];
-      return torrentList.filter(function(torrent) {
+      return torrentList.filter((torrent) => {
         if (torrent.status.indexOf(statusFilter) > -1) {
           return torrent;
         }
       });
     } else if (type === 'tracker') {
-      return torrentList.filter(function(torrent) {
+      return torrentList.filter((torrent) => {
         if (torrent.trackers.indexOf(filter) > -1) {
           return torrent;
         }

client/source/scripts/util/formatData.js

@@ -1,7 +1,7 @@
 import React from 'react';
 
 const format = {
-  eta: function(eta) {
+  eta: (eta) => {
     if (eta === 'Infinity') {
       return '∞';
     } else if (eta.years > 0) {
@@ -68,7 +68,7 @@ const format = {
     }
   },
 
-  data: function(bytes, extraUnits, precision = 2) {
+  data: (bytes, extraUnits, precision = 2) => {
   	let kilobyte = 1024,
   		megabyte = kilobyte * 1024,
   		gigabyte = megabyte * 1024,
@@ -106,7 +106,7 @@ const format = {
   	};
   },
 
-  ratio: function(ratio) {
+  ratio: (ratio) => {
     ratio = ratio / 1000;
     let precision = 1;
 

client/source/scripts/util/selectTorrents.js

@@ -8,7 +8,7 @@ export function selectTorrents(options) {
       let lastHashIndex;
 
       // get the index of the last selected torrent.
-      options.torrentList.some(function(torrent, index) {
+      options.torrentList.some((torrent, index) => {
         if (torrent.hash === lastHash) {
           lastHashIndex = index;
           return true;
@@ -16,7 +16,7 @@ export function selectTorrents(options) {
       });
 
       // get the index of the newly selected torrent.
-      options.torrentList.some(function(torrent, index) {
+      options.torrentList.some((torrent, index) => {
         if (torrent.hash === options.hash) {
           currentHashIndex = index;
           return true;

client/source/scripts/util/sortTorrents.js

@@ -7,7 +7,7 @@ export function sortTorrents(torrentsHash, sortBy) {
     let direction = sortBy.direction;
     let property = sortBy.property;
 
-    torrents.sort(function(a, b) {
+    torrents.sort((a, b) => {
       let valA = a[property];
       let valB = b[property];
 

client/source/scripts/util/torrentStatusClasses.js

@@ -5,7 +5,7 @@ import propsMap from '../../../../shared/constants/propsMap';
 export function torrentStatusClasses(torrent, ...classes) {
   let additionalClasses = [];
 
-  classes.forEach(function (className) {
+  classes.forEach((className) => {
     if (className) {
       additionalClasses.push(className);
     }