adding travis integration

.travis.yml

@@ -0,0 +1,32 @@
+language: node_js
+
+node_js:
+  - "7"
+
+env:
+  - CXX=g++-4.8
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+
+branches:
+  only:
+    - master
+
+before_script:
+  - npm install -g firebase-tools
+
+script:
+  - cd functions && npm install && cd ../
+
+after_success:
+  - firebase deploy --token $FIREBASE_TOKEN
+
+notifications:
+  email:
+    on_failure: change
+    on_success: change

gulpfile.js

@@ -28,7 +28,7 @@ function compile(watch) {
   var opts = conf();
   var bundler = watchify(browserify(opts).transform([babel,es2015]));
   function rebundle() {
-    bundler.bundle()
+    return bundler.bundle()
       .on('error', function(err) {
         console.error(err);
         this.emit('end');
@@ -49,7 +49,7 @@ function compile(watch) {
       console.log('done bundling.');
     });
   }
-  rebundle();
+  return rebundle();
 }
 
 function watch() {

package.json

@@ -4,15 +4,15 @@
   "description": "practice javascript",
   "main": "index.js",
   "scripts": {
-    "test": "xo && ava",
+    "test": "",
     "build": "./node_modules/.bin/gulp build",
     "watch": "./node_modules/.bin/gulp watch",
     "precommit": "lint-staged"
   },
   "author": "Jakob Anderson",
   "license": "UNLICENSED",
   "lint-staged": {
-    "src/**/*.js": [
+    "src/*": [
       "prettier --single-quote true --trailing-comma es5 --useTabs false --parser babylon --tabWidth 2 --bracketSpacing true --write",
       "git add"
     ]

src/js/index.js

@@ -134,6 +134,7 @@
     config.shuffle = config.shuffle === true ? false : true;
     shuffleProblemsButtonEl.classList.toggle('active');
     updateLocalstore(config);
+
   }
 
   function loadProblem(problemObj) {