restructure

benchmarks/observer.js

@@ -1,6 +1,6 @@
 console.log('\nObserver\n')
 
-var Observer = require('../src/observer/observer')
+var Observer = require('../src/observe/observer')
 var Emitter = require('../src/emitter')
 var OldObserver = require('../../vue/src/observer')
 var sideEffect = true

explorations/inheritance.js

@@ -1,4 +1,4 @@
-var Observer = require('../src/observer/observer')
+var Observer = require('../src/observe/observer')
 var _ = require('../src/util')
 
 function Vue (options) {
@@ -87,9 +87,7 @@ function Vue (options) {
   // also proxy newly added keys.
   var self = this
   ob.on('added', function (key) {
-    if (!self.hasOwnProperty(key)) {
-      _.proxy(self, scope, key)
-    }
+    _.proxy(self, scope, key)
   })
 
 }

src/api/data.js

@@ -6,10 +6,26 @@ exports.$set = function () {
     
 }
 
+exports.$add = function () {
+  
+}
+
+exports.$delete = function () {
+  
+}
+
 exports.$watch = function () {
     
 }
 
 exports.$unwatch = function () {
     
+}
+
+exports.$toJSON = function () {
+  
+}
+
+exports.$log = function () {
+  
 }

src/api/global.js

@@ -0,0 +1,61 @@
+var _ = require('../util')
+var config = require('../config')
+
+/**
+ * Configuration
+ */
+
+exports.config = function () {
+  
+}
+
+/**
+ * Class inehritance
+ */
+
+exports.extend = function () {
+  
+}
+
+/**
+ * Plugin system
+ */
+
+exports.use = function () {
+  
+}
+
+/**
+ * Expose some internal utilities
+ */
+
+exports.require = function () {
+  
+}
+
+/**
+ * Define asset registries and registration
+ * methods on a constructor.
+ */
+
+config.assetTypes.forEach(function (type) {
+  var registry = '_' + type + 's'
+  exports[registry] = {}
+
+  /**
+   * Asset registration method.
+   *
+   * @param {String} id
+   * @param {*} definition
+   */
+
+  exports[type] = function (id, definition) {
+    this[registry][id] = definition
+  }
+})
+
+/**
+ * This is pretty useful so we expose it as a global method.
+ */
+
+exports.nextTick = _.nextTick

src/config.js

@@ -1 +1,11 @@
-module.exports = {}
+module.exports = {
+
+  assetTypes: [
+    'directive',
+    'filter',
+    'partial',
+    'effect',
+    'component'
+  ]
+
+}

src/internal/init.js

@@ -0,0 +1,90 @@
+exports._init = function (options) {
+
+  var data = options.data
+  var parent = options.parent
+  var scope = this._scope = parent
+    ? Object.create(parent._scope)
+    : {}
+
+  // copy instantiation data into scope
+  for (var key in data) {
+    if (key in scope) {
+      // key exists on the scope prototype chain
+      // cannot use direct set here, because in the parent
+      // scope everything is already getter/setter and we
+      // need to overwrite them with Object.defineProperty.
+      _.define(scope, key, data[key], true)
+    } else {
+      scope[key] = data[key]
+    }
+  }
+
+  // create observer
+  // pass in noProto:true to avoid mutating the __proto__
+  var ob = this._observer = Observer.create(scope, { noProto: true })
+  var dob = Observer.create(data)
+  var locked = false
+
+  // sync scope and original data.
+  ob
+    .on('set', guard(function (key, val) {
+      data[key] = val
+    }))
+    .on('added', guard(function (key, val) {
+      data.$add(key, val)
+    }))
+    .on('deleted', guard(function (key) {
+      data.$delete(key)
+    }))
+
+  // also need to sync data object changes to scope...
+  // this would cause cycle updates, so we need to lock
+  // stuff when one side updates the other
+  dob
+    .on('set', guard(function (key, val) {
+      scope[key] = val
+    }))
+    .on('added', guard(function (key, val) {
+      scope.$add(key, val)
+    }))
+    .on('deleted', guard(function (key) {
+      scope.$delete(key)
+    }))
+
+  function guard (fn) {
+    return function (key, val) {
+      if (locked || key.indexOf(Observer.pathDelimiter) > -1) {
+        return
+      }
+      locked = true
+      fn(key, val)
+      locked = false
+    }
+  }
+
+  // relay change events from parent scope.
+  // this ensures the current Vue instance is aware of
+  // stuff going on up in the scope chain.
+  if (parent) {
+    var po = parent._observer
+    ;['set', 'mutate', 'added', 'deleted'].forEach(function (event) {
+      po.on(event, function (key, a, b) {
+        if (!scope.hasOwnProperty(key)) {
+          ob.emit(event, key, a, b)
+        }
+      })
+    })
+  }
+
+  // proxy everything on self
+  for (var key in scope) {
+    _.proxy(this, scope, key)
+  }
+
+  // also proxy newly added keys.
+  var self = this
+  ob.on('added', function (key) {
+    _.proxy(self, scope, key)
+  })
+  
+}

src/observe/observer.js

@@ -85,7 +85,7 @@ Observer.create = function (value, options) {
     return value.$observer
   } if (_.isArray(value)) {
     return new Observer(value, ARRAY, options)
-  } else if (_.isObject(value)) {
+  } else if (_.isObject(value) && !value._scope) { // avoid Vue instance
     return new Observer(value, OBJECT, options)
   }
 }

src/util.js

@@ -36,6 +36,7 @@ exports.deepMixin = function (to, from) {
  */
 
 exports.proxy = function (to, from, key) {
+  if (to.hasOwnProperty(key)) return
   Object.defineProperty(to, key, {
     enumerable: true,
     configurable: true,

src/vue.js

@@ -1,5 +1,4 @@
-var _        = require('./util')
-var Compiler = require('./compiler/compiler')
+var _ = require('./util')
 
 /**
  * The exposed Vue constructor.
@@ -10,33 +9,31 @@ var Compiler = require('./compiler/compiler')
  */
 
 function Vue (options) {
-  this._compiler = new Compiler(this, options)
+  this._init(options)
 }
 
-/**
- * Mixin instance methods
- */
-
 var p = Vue.prototype
-_.mixin(p, require('./instance/lifecycle'))
-_.mixin(p, require('./instance/data'))
-_.mixin(p, require('./instance/dom'))
-_.mixin(p, require('./instance/events'))
 
 /**
- * Mixin asset registers
+ * Mixin internal instance methods
  */
 
-_.mixin(Vue, require('./api/asset-register'))
+ _.mixin(p, require('./internal/init'))
+ _.mixin(p, require('./internal/compile'))
 
 /**
- * Static methods
+ * Mixin API instance methods
  */
 
-Vue.config   = require('./api/config')
-Vue.use      = require('./api/use')
-Vue.require  = require('./api/require')
-Vue.extend   = require('./api/extend')
-Vue.nextTick = require('./util').nextTick
+_.mixin(p, require('./api/data'))
+_.mixin(p, require('./api/dom'))
+_.mixin(p, require('./api/events'))
+_.mixin(p, require('./api/lifecycle'))
+
+/**
+ * Mixin global API
+ */
+
+_.mixin(Vue, require('./api/global'))
 
 module.exports = Vue