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better unbind/destroy

Evan You před 12 roky
rodič
14d0cefe6b
revize
6d81bff63a
7 změnil soubory, kde provedl 61 přidání a 59 odebrání
Rozdělené zobrazení Ukázat statistiku rozdílových dat
  1. 0 0
      examples/nested.html
  2. 3 5
      examples/todos.html
  3. 4 1
      src/config.js
  4. 14 11
      src/directives.js
  5. 10 3
      src/filters.js
  6. 10 28
      src/main.js
  7. 20 11
      src/seed.js

+ 0 - 0
dev/nested.html → examples/nested.html
Zobrazit soubor


+ 3 - 5
dev/todos.html → examples/todos.html
Zobrazit soubor 

@@ -29,7 +29,7 @@
 
         </style>
 
     </head>
 
     <body>
 
-        <div id="app" sd-controller="Todos" sd-data="test" sd-class="filter">
 
+        <div id="app" sd-controller="Todos" sd-class="filter">
 
             <div>
 
                 <input placeholder="What needs to be done?" sd-on="change:addTodo">
 
             </div>
 
@@ -62,12 +62,10 @@
 
                 { text: 'parse textnodes', done: false }
 
             ]
 
 
-            Seed.data('test', { todos: todos })
 
-
 
             Seed.controller('Todos', function (scope, seed) {
 
 
                 // regular properties
 
-                // scope.todos = todos
 
+                scope.todos = todos
 
                 scope.filter = 'all'
 
                 scope.remaining = todos.reduce(function (count, todo) {
 
                     return count + (todo.done ? 0 : 1)
 
@@ -110,7 +108,7 @@
 
 
             })
 
 
-            Seed.bootstrap()
 
+            var app = Seed.bootstrap()
 
 
         </script>
 
     </body>

+ 4 - 1
src/config.js
Zobrazit soubor 

@@ -1,3 +1,6 @@
 
 module.exports = {
 
-    prefix: 'sd'
 
+    prefix: 'sd',
 
+    controllers: {},
 
+    datum: {},
 
+    seeds: {}
 
 }

+ 14 - 11
src/directives.js
Zobrazit soubor 

@@ -52,7 +52,7 @@ module.exports = {
 
                         el            : e.currentTarget,
 
                         originalEvent : e,
 
                         directive     : self,
 
-                        seed          : self.seed
 
+                        seed          : e.currentTarget.seed
 
                     })
 
                 }
 
                 this.el.addEventListener(event, proxy)
 
@@ -77,12 +77,8 @@ module.exports = {
 
             this.childSeeds = []
 
         },
 
         update: function (collection) {
 
-            if (this.childSeeds.length) {
 
-                this.childSeeds.forEach(function (child) {
 
-                    child.destroy()
 
-                })
 
-                this.childSeeds = []
 
-            }
 
+            this.unbind(true)
 
+            this.childSeeds = []
 
             if (!Array.isArray(collection)) return
 
             watchArray(collection, this.mutate.bind(this))
 
             var self = this
 
@@ -90,9 +86,6 @@ module.exports = {
 
                 self.childSeeds.push(self.buildItem(item, i, collection))
 
             })
 
         },
 
-        mutate: function (mutation) {
 
-            console.log(mutation)
 
-        },
 
         buildItem: function (data, index, collection) {
 
             var Seed = require('./seed'),
 
                 node = this.el.cloneNode(true)
 
@@ -100,12 +93,22 @@ module.exports = {
 
                     eachPrefixRE: new RegExp('^' + this.arg + '.'),
 
                     parentSeed: this.seed,
 
                     index: index,
 
-                    eachCollection: collection,
 
                     data: data
 
                 })
 
             this.container.insertBefore(node, this.marker)
 
             collection[index] = spore.scope
 
             return spore
 
+        },
 
+        mutate: function (mutation) {
 
+            console.log(mutation)
 
+        },
 
+        unbind: function (rm) {
 
+            if (this.childSeeds.length) {
 
+                var fn = rm ? 'destroy' : 'unbind'
 
+                this.childSeeds.forEach(function (child) {
 
+                    child[fn]()
 
+                })
 
+            }
 
         }
 
     }

+ 10 - 3
src/filters.js
Zobrazit soubor 

@@ -9,11 +9,18 @@ module.exports = {
 
         return value.toString().toUpperCase()
 
     },
 
 
+    // TODO probably there's a better way.
 
+    // Angular doesn't support delegation either
 
+    // any real performance gain?
 
     delegate: function (handler, args) {
 
         var selector = args[0]
 
         return function (e) {
 
-            if (delegateCheck(e.target, e.currentTarget, selector)) {
 
-                handler.apply(this, arguments)
 
+            var oe = e.originalEvent,
 
+                target = delegateCheck(oe.target, oe.currentTarget, selector)
 
+            if (target) {
 
+                e.el = target
 
+                e.seed = target.seed
 
+                handler.call(this, e)
 
             }
 
         }
 
     }
 
@@ -22,7 +29,7 @@ module.exports = {
 
 
 function delegateCheck (current, top, selector) {
 
     if (current.webkitMatchesSelector(selector)) {
 
-        return true
 
+        return current
 
     } else if (current === top) {
 
         return false
 
     } else {

+ 10 - 28
src/main.js
Zobrazit soubor 

@@ -3,30 +3,12 @@ var config      = require('./config'),
 
     directives  = require('./directives'),
 
     filters     = require('./filters')
 
 
-var controllers = config.controllers = {},
 
-    datum       = config.datum = {},
 
+var controllers = config.controllers,
 
+    datum       = config.datum,
 
     api         = {}
 
 
 // API
 
 
-api.extend = function (opts) {
 
-    var Spore = function () {
 
-        Seed.apply(this, arguments)
 
-        for (var prop in this.extensions) {
 
-            var ext = this.extensions[prop]
 
-            this.scope[prop] = (typeof ext === 'function')
 
-                ? ext.bind(this)
 
-                : ext
 
-        }
 
-    }
 
-    Spore.prototype = Object.create(Seed.prototype)
 
-    Spore.prototype.extensions = {}
 
-    for (var prop in opts) {
 
-        Spore.prototype.extensions[prop] = opts[prop]
 
-    }
 
-    return Spore
 
-}
 
-
 
 api.data = function (id, data) {
 
     if (!data) return datum[id]
 
     if (datum[id]) {
 
@@ -43,6 +25,14 @@ api.controller = function (id, extensions) {
 
     controllers[id] = extensions
 
 }
 
 
+api.directive = function (name, fn) {
 
+    directives[name] = fn
 
+}
 
+
 
+api.filter = function (name, fn) {
 
+    filters[name] = fn
 
+}
 
+
 
 api.bootstrap = function (opts) {
 
     if (opts) {
 
         config.prefix = opts.prefix || config.prefix
 
@@ -60,12 +50,4 @@ api.bootstrap = function (opts) {
 
     return n > 1 ? app : seed
 
 }
 
 
-api.directive = function (name, fn) {
 
-    directives[name] = fn
 
-}
 
-
 
-api.filter = function (name, fn) {
 
-    filters[name] = fn
 
-}
 
-
 
 module.exports = api

+ 20 - 11
src/seed.js
Zobrazit soubor 

@@ -14,9 +14,9 @@ function Seed (el, options) {
 
         el = document.querySelector(el)
 
     }
 
 
-    el.seed        = this
 
-    this.el        = el
 
-    this._bindings = {}
 
+    el.seed         = this
 
+    this.el         = el
 
+    this._bindings  = {}
 
 
     // copy options
 
     if (options) {
 
@@ -51,8 +51,6 @@ function Seed (el, options) {
 
     }
 
 }
 
 
-Emitter(Seed.prototype)
 
-
 
 Seed.prototype._compileNode = function (node, root) {
 
     var self = this
 
 
@@ -190,17 +188,28 @@ Seed.prototype._createBinding = function (key) {
 
     return binding
 
 }
 
 
-Seed.prototype.destroy = function () {
 
+Seed.prototype.unbind = function () {
 
+    var unbind = function (instance) {
 
+        if (instance.unbind) {
 
+            instance.unbind()
 
+        }
 
+    }
 
     for (var key in this._bindings) {
 
         this._bindings[key].instances.forEach(unbind)
 
-        ;delete this._bindings[key]
 
     }
 
+    this.childSeeds.forEach(function (child) {
 
+        child.unbind()
 
+    })
 
+}
 
+
 
+Seed.prototype.destroy = function () {
 
+    this.unbind()
 
     this.el.parentNode.removeChild(this.el)
 
-    function unbind (instance) {
 
-        if (instance.unbind) {
 
-            instance.unbind()
 
-        }
 
+    if (this.parentSeed && this.id) {
 
+        delete this.parentSeed['$' + this.id]
 
     }
 
 }
 
 
+Emitter(Seed.prototype)
 
+
 
 module.exports = Seed