Properly dispose of the subscriptions

Author: Arcanemagus

lib/index.js

@@ -5,10 +5,12 @@ import { CompositeDisposable } from 'atom';
 
 const grammarScopes = [];
 
+let subscriptions;
+
 export function activate() {
   require('atom-package-deps').install('linter-htmlhint');
 
-  const subscriptions = new CompositeDisposable();
+  subscriptions = new CompositeDisposable();
   subscriptions.add(atom.config.observe('linter-htmlhint.enabledScopes', (scopes) => {
     // Remove any old scopes
     grammarScopes.splice(0, grammarScopes.length);
@@ -17,6 +19,10 @@ export function activate() {
   }));
 }
 
+export function deactivate() {
+  subscriptions.dispose();
+}
+
 function getConfig(filePath) {
   const fs = require('fs');
   const path = require('path');