Fix linter / prettier not working when using sonar as VS Code workspace

Summary: Per title

Reviewed By: antonk52

Differential Revision: D33308303

fbshipit-source-id: b4786fe8070b12ae211b68aafdc32814ea53381e

.vscode/settings.json

@@ -5,7 +5,7 @@
   "eslint.packageManager": "yarn",
   "eslint.codeActionsOnSave.mode": "all",
   "editor.formatOnSave": true,
-  "files.trimTrailingWhitespace": false, // This one is broken as it cleans string literals as well, killing Jest snapshots: https://github.com/Microsoft/vscode/issues/52711
+  "files.trimTrailingWhitespace": false,
   "prettier.formatAlreadyFormattedFilesOnSave": false,
   "files.eol": "\n",
   "editor.codeActionsOnSave": {

desktop/.eslintrc.js

@@ -7,10 +7,12 @@
  * @format
  */
 
+const path = require('path');
+
 const fbjs = require('eslint-config-fbjs');
 
 const rulesDirPlugin = require('eslint-plugin-rulesdir');
-rulesDirPlugin.RULES_DIR = 'eslint-rules';
+rulesDirPlugin.RULES_DIR = path.join(__dirname, 'eslint-rules');
 
 // enforces copy-right header and @format directive to be present in every file
 const pattern = /^\*\r?\n[\S\s]*Facebook[\S\s]* \* @format\r?\n/;