firebase.md

   1 ---
   2 title: Firebase
   3 prism_languages: [coffeescript]
   4 tags: [WIP]
   5 layout: 2017/sheet
   6 ---
   7
   8 ### Authenticating
   9
  10 ```js
  11 FB = new Firebase('https://xxx.firebase.io')
  12 FB.auth(TOKEN, (err, result) => { ···})
  13 ```
  14
  15 ```js
  16 FB.authAnonymously(···)
  17 FB.authWithPassword(···)
  18 FB.authWithOAuthPopup(···)
  19 FB.authWithOAuthToken(···)
  20 ```
  21
  22 ### Using
  23
  24 ```js
  25 Users = FB.child('users')
  26 ```
  27
  28 ```js
  29 // Create
  30 user = Users.push(first: "Frank", last: "Sinatra")
  31 ```
  32
  33 ```js
  34 // Retrieve
  35 user = Users.child('alan')  // gets `users/alan`
  36 ```
  37
  38 ```js
  39 // Update
  40 user.set(first: "Miles", last: "Davis")
  41 user.update(first: "Miles")
  42 user.setWithPriority({ ··· }, priority)
  43 ```
  44
  45 ```js
  46 // Destroy
  47 user.remove()
  48 ```
  49
  50 ```js
  51 // Getting
  52 user.name()  // primary id
  53
  54 user.once('value', (snap) => {
  55   snap.name()  // primary id
  56   snap.val()   // value
  57 }, (err) => {
  58   ···
  59 })
  60 ```
  61
  62 ```js
  63 // traversal
  64 user.parent()
  65 ```
  66
  67 ### Querying
  68
  69 ```coffeescript
  70 Users = FB.child('users')
  71 Users
  72   .startAt(1000)
  73   .limit(50)
  74   .equalTo(priority, [name])
  75   .on 'child_added', (snap) -> ···
  76 ```
  77 ### Lists
  78
  79 ```coffeescript
  80 Posts = FB.child('posts')
  81 post = Posts.push({ title: "How to do things", author: "alan" })
  82 ```
  83
  84 ## References
  85 {: .-one-column}
  86
  87 * <https://www.firebase.com/docs/web/api/>
  88 * <https://www.firebase.com/docs/web/recipes.html>