removed file changes that have no changes to make diff easier

simplified SET_FILE_ACTIVE openFiles map
use .find in router so that it returns early instead of looping all the
values

2 files changed, 9 insertions, 6 deletions

diff --git a/app/assets/javascripts/ide/lib/diff/controller.js b/app/assets/javascripts/ide/lib/diff/controller.js
index 1af358a6467..b136545ad11 100644
--- a/app/assets/javascripts/ide/lib/diff/controller.js
+++ b/app/assets/javascripts/ide/lib/diff/controller.js
@@ -3,7 +3,7 @@ import { throttle } from 'underscore';
 import DirtyDiffWorker from './diff_worker';
 import Disposable from '../common/disposable';
 
-export const getDiffChangeType = change => {
+export const getDiffChangeType = (change) => {
   if (change.modified) {
     return 'modified';
   } else if (change.added) {
@@ -16,12 +16,15 @@ export const getDiffChangeType = change => {
 };
 
 export const getDecorator = change => ({
-  range: new monaco.Range(change.lineNumber, 1, change.endLineNumber, 1),
+  range: new monaco.Range(
+    change.lineNumber,
+    1,
+    change.endLineNumber,
+    1,
+  ),
   options: {
     isWholeLine: true,
-    linesDecorationsClassName: `dirty-diff dirty-diff-${getDiffChangeType(
-      change,
-    )}`,
+    linesDecorationsClassName: `dirty-diff dirty-diff-${getDiffChangeType(change)}`,
   },
 });
 
diff --git a/app/assets/javascripts/ide/lib/diff/diff_worker.js b/app/assets/javascripts/ide/lib/diff/diff_worker.js
index ba9e270d5f0..e74c4046330 100644
--- a/app/assets/javascripts/ide/lib/diff/diff_worker.js
+++ b/app/assets/javascripts/ide/lib/diff/diff_worker.js
@@ -1,6 +1,6 @@
 import { computeDiff } from './diff';
 
-self.addEventListener('message', e => {
+self.addEventListener('message', (e) => {
   const data = e.data;
 
   self.postMessage({