Add linting and CI

.eslintrc.json

@@ -0,0 +1,42 @@
+{
+    "env": {
+        "browser": true
+    },
+    "extends": "eslint:recommended",
+    "rules": {
+        "indent": [
+            "error",
+            2
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ],
+        "curly": [
+            "error",
+            "all"
+        ],
+        "consistent-this": [
+            "error",
+            "that"
+        ],
+        "no-console": 0,
+        "no-unused-vars": 0
+    },
+    "globals": {
+        "Navigo": true,
+        "mdc": true,
+        "importScripts": true,
+        "FriendlyEats": true,
+        "firebase": true,
+        "Promise": true
+    }
+}

.travis.yml

@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "7"
+install:
+  - npm install -g eslint
+  - npm install
+script:
+  - ./test.sh

README.md

@@ -18,3 +18,7 @@ Please follow the [Cloud Firestore Web Codelab](https://codelabs.developers.goog
 ## License
 
 © Google, 2017. Licensed under an [Apache-2](../LICENSE) license.
+
+## Build Status
+
+[![Build Status](https://travis-ci.org/firebase/friendlyeats-web.svg?branch=master)](https://travis-ci.org/firebase/friendlyeats-web)

package.json

@@ -9,6 +9,7 @@
   },
   "author": "",
   "devDependencies": {
+    "eslint": "^4.17.0",
     "prettier": "^1.5.3"
   }
 }

scripts/FriendlyEats.Mock.js

@@ -19,29 +19,29 @@
  * Adds a set of mock Restaurants to the Cloud Firestore.
  */
 FriendlyEats.prototype.addMockRestaurants = function() {
-  const promises = [];
+  var promises = [];
 
-  for (let i = 0; i < 20; i++) {
-    let name =
+  for (var i = 0; i < 20; i++) {
+    var name =
         this.getRandomItem(this.data.words) +
         ' ' +
         this.getRandomItem(this.data.words);
-    let category = this.getRandomItem(this.data.categories);
-    let city = this.getRandomItem(this.data.cities);
-    let price = Math.floor(Math.random() * 4) + 1;
-    let photoID = Math.floor(Math.random() * 22) + 1;
-    let photo = `https://storage.googleapis.com/firestorequickstarts.appspot.com/food_${photoID}.png`;
-    let numRatings = 0;
-    let avgRating = 0;
+    var category = this.getRandomItem(this.data.categories);
+    var city = this.getRandomItem(this.data.cities);
+    var price = Math.floor(Math.random() * 4) + 1;
+    var photoID = Math.floor(Math.random() * 22) + 1;
+    var photo = 'https://storage.googleapis.com/firestorequickstarts.appspot.com/food_' + photoID + '.png';
+    var numRatings = 0;
+    var avgRating = 0;
 
-    const promise = this.addRestaurant({
-      name,
-      category,
-      price,
-      city,
-      numRatings,
-      avgRating,
-      photo
+    var promise = this.addRestaurant({
+      name: name,
+      category: category,
+      price: price,
+      city: city,
+      numRatings: numRatings,
+      avgRating: avgRating,
+      photo: photo
     });
 
     if (!promise) {
@@ -58,14 +58,16 @@ FriendlyEats.prototype.addMockRestaurants = function() {
 /**
  * Adds a set of mock Ratings to the given Restaurant.
  */
-FriendlyEats.prototype.addMockRatings = async function(restaurantID) {
-  for (let r = 0; r < 5*Math.random(); r++) {
-    const rating = this.data.ratings[
+FriendlyEats.prototype.addMockRatings = function(restaurantID) {
+  var ratingPromises = [];
+  for (var r = 0; r < 5*Math.random(); r++) {
+    var rating = this.data.ratings[
       parseInt(this.data.ratings.length*Math.random())
     ];
     rating.userName = 'Bot (Web)';
     rating.timestamp = new Date();
     rating.userId = firebase.auth().currentUser.uid;
-    await this.addRating(restaurantID, rating);
+    ratingPromises.push(this.addRating(restaurantID, rating));
   }
-};
+  return Promise.all(ratingPromises);
+};