fixed prettier issues with FileExplorer files

Signed-off-by: Jeremy Guarini <jguarini@paloaltonetworks.com>

plugins/code-coverage/src/components/FileExplorer/FileExplorer.test.tsx

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 import { groupByPath } from './FileExplorer';
 
 const dummyFiles = [
@@ -23,8 +38,8 @@ const dummyFiles = [
     coverage: 1,
     missing: 1,
     tracked: 1,
-    path: ''
-  }
+    path: '',
+  },
 ];
 
 const dummyDataGroupedByPath = {
@@ -35,7 +50,7 @@ const dummyDataGroupedByPath = {
       coverage: 1,
       missing: 1,
       tracked: 1,
-      path: ''
+      path: '',
     },
     {
       filename: 'dir1/file2',
@@ -43,8 +58,8 @@ const dummyDataGroupedByPath = {
       coverage: 1,
       missing: 1,
       tracked: 1,
-      path: ''
-    }
+      path: '',
+    },
   ],
   dir2: [
     {
@@ -53,13 +68,13 @@ const dummyDataGroupedByPath = {
       coverage: 1,
       missing: 1,
       tracked: 1,
-      path: ''
-    }
-  ]
+      path: '',
+    },
+  ],
 };
 
 describe('groupByPath function', () => {
   it('should group files by their root directory,as per their filename', () => {
     expect(groupByPath(dummyFiles)).toBe(dummyDataGroupedByPath);
   });
-});
+});

plugins/code-coverage/src/components/FileExplorer/FileExplorer.tsx

@@ -53,12 +53,10 @@ type CoverageTableRow = {
 
 export const groupByPath = (files: CoverageTableRow[]) => {
   const acc: FileStructureObject = {};
-  files.forEach (file => {
+  files.forEach(file => {
     const filename = file.filename;
     if (!file.filename) return;
-    const pathArray = filename?.split('/').filter(
-      el => el !== ''
-    );
+    const pathArray = filename?.split('/').filter(el => el !== '');
     if (pathArray) {
       if (!acc.hasOwnProperty(pathArray[0])) {
         acc[pathArray[0]] = [];
@@ -69,11 +67,14 @@ export const groupByPath = (files: CoverageTableRow[]) => {
   return acc;
 };
 
-const removeVisitedPathGroup = (files: CoverageTableRow[], pathGroup: string) => {
+const removeVisitedPathGroup = (
+  files: CoverageTableRow[],
+  pathGroup: string,
+) => {
   return files.map(file => {
     return {
       ...file,
-      filename: file.filename 
+      filename: file.filename
         ? file.filename.substring(
             file.filename?.indexOf(pathGroup) + pathGroup.length + 1,
           )