hamsa - npm Package Compare versions

Comparing version 0.9.20 to 0.11.1

dist/hamsa.js

 /**
  * hamsa - A dead simple, data-binding & observable model.
- * @version v0.9.20
+ * @version v0.11.1
  * @link    http://gethamsa.com
@@ -8,2 +8,659 @@ * @author  Javi Jimenez Villar (http://soyjavi.com)
  */
-(function(){"use strict";var e,t,n,r,o=[].indexOf||function(e){for(var t=0,n=this.length;n>t;t++)if(t in this&&this[t]===e)return t;return-1};e=["add","update","delete"],function(s){var i;return i=function(){function s(s,i,u){var c,a,l,f;null==s&&(s={}),null==u&&(u=e),this.constructor.className=this.constructor.name,this.constructor.records[this.uid=r()]=this,l=this.constructor.fields;for(a in l)c=l[a],(s[a]||null!=c["default"])&&("function"==typeof this[a]?this[a](s[a]||c["default"]):this[a]=t(s[a],c));this.callbacks=[],this.observers=[],null!=i?this.observe(i,u):!i&&o.call(null!=(f=this.constructor)?f.events:void 0,"update")>=0&&Object.observe(this,function(e){return function(t){var r,s,i,u,c;for(u=[],r=0,s=t.length;s>r;r++)c=t[r],c.object.constructor===e.constructor&&(i=c.name,o.call(e.constructor.names,i)>=0?u.push(n(c,e.constructor)):u.push(void 0));return u}}(this),["update"])}return s.define=function(e){var t;return this.fields=null!=e?e:{},this.callbacks=[],this.events=[],this.names=function(){var e;e=[];for(t in this.fields)e.push(t);return e}.call(this),this.observers=[],this.records={},this},s.all=function(){return this.find()},s.destroyAll=function(){var e;for(e in this.records)delete this.records[e];return this.records},s.find=function(e){var n,r,o,s,i,u,c;null==e&&(e={}),s=[],i=this.records;for(u in i){o=i[u],n=!0;for(r in e)c=e[r],n&&t(o[r],this.fields[r])!==c&&(n=!1);n&&s.push(o)}return s},s.findOne=function(e){return this.find(e)[0]},s.findAndModify=function(e){var t,n,r,o;if(n=this.findOne(e.query)){r=e.update;for(t in r)o=r[t],n[t]=o}return n||new this(e.update)},s.observe=function(t,n){var r;return this.events=null!=n?n:e,r=Object.observe(this.records,function(e){return function(n){var r,o,s,i,u,c,a,l;for(a=[],s=0,i=n.length;i>s;s++)l=n[s],r=(null!=(u=e.records[l.name])?u.constructor:void 0)||l.oldValue.constructor,r===e?(o={type:l.type,name:l.name},"add"===(c=l.type)||"update"===c?o.object=e.records[l.name]:o.oldValue=l.oldValue,a.push(t(o))):a.push(void 0);return a}}(this),this.events),this.callbacks.push(t),this.observers.push(r)},s.unobserve=function(){var e,t,n,r;for(r=this.observers,e=0,t=r.length;t>e;e++)n=r[e],Object.unobserve(this.records,n);return this.callbacks=[],this.observers=[]},s.prototype.observe=function(t,r){var s;return null==r&&(r=e),s=Object.observe(this,function(e){return function(r){var s,i,u,c,a;for(c=[],s=0,i=r.length;i>s;s++)a=r[s],u=a.name,o.call(e.constructor.names,u)>=0&&(delete a.object.observer,n(a,e.constructor),c.push(t(a)));return c}}(this),r),this.callbacks.push(t),this.observers.push(s),s},s.prototype.unobserve=function(){var e,t,n,r;for(r=this.observers,e=0,t=r.length;t>e;e++)n=r[e],Object.unobserve(this,n);return this.callbacks=[],this.observers=[]},s.prototype.destroy=function(e){var t,n,r,o;if(null==e&&(e=!0),e)for(o=this.callbacks,n=0,r=o.length;r>n;n++)(t=o[n])({type:"destroy",name:this.uid,oldValue:this.fields()});return delete this.constructor.records[this.uid]},s.prototype.fields=function(){var e,t,n,r,o;for(o={},r=this.constructor.names,e=0,t=r.length;t>e;e++)n=r[e],o[n]=this[n];return o},s}(),"function"==typeof define&&define.amd?define(function(){return i}):s.Hamsa=i,"undefined"!=typeof module&&null!==module&&null!=module.exports?module.exports=i:void 0}(this),r=function(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(e){var t,n;return t=16*Math.random()|0,n="x"===e?t:3&t|8,n.toString(16)}).toUpperCase()},t=function(e,t){return null==t&&(t={type:String}),t.type!==Date&&t.type!==Array?t.type(e||t["default"]):t.type===Array?e||t["default"]:e||t.type(t["default"])},n=function(e,t){var n,r,s,i,u,c;for(i=t.callbacks,c=[],r=0,s=i.length;s>r;r++)n=i[r],"update"===e.type&&(u=e.type,o.call(t.events,u)>=0)?(delete e.object.observer,c.push(n(e))):c.push(void 0);return c},window._extends=function(e,t){var n,r;n=function(){this.constructor=e};for(r in t)_hasProp.call(t,r)&&(e[r]=t[r]);return n.prototype=t.prototype,e.prototype=new n,e.__super__=t.prototype,e},window._hasProp={}.hasOwnProperty,Object.observe||function(t,n,r){var s,i,u,c,a,l,f,d,h,p;return e=["add","update","delete"],c=n.indexOf||function(e,t,r){return n.prototype.indexOf.call(e,t,r)},a=r.requestAnimationFrame||r.webkitRequestAnimationFrame||function(){var e,t;return e=+new Date,t=e,function(n){var r;return r=+new Date,setTimeout(function(){return n((t=+new Date)-e)},17)}}(),l=function(e,t,n){var r,s,i,u;return r=f.get(e),r?p(e,r,t,n):(i=Object.getOwnPropertyNames(e),r={handlers:new Map,properties:i,values:function(){var t;t=[];for(s in e)u=e[s],o.call(i,s)>=0&&t.push(u);return t}()},f.set(e,r),p(e,r,t,n),1===f.size?a(h):void 0)},p=function(e,t,n,r){var o;return o=u.get(n),o||u.set(n,o={observed:new Map,changeRecords:[]}),o.observed.set(e,{events:r,data:t}),t.handlers.set(n,o)},d=function(e,t,n){var r,o,i,u,a,l,f,d,h,p,v;if(e.handlers.size){for(v=e.values,a=Object.getOwnPropertyNames(t),d=e.properties.slice(),h=d.length,i=0,l=a.length;l>i;i++)u=a[i],o=c(d,u),p=t[u],-1===o?(s(t,e,{name:u,type:"add",object:t},n),e.properties.push(u),v.push(p)):(f=v[o],d[o]=null,h--,(f===p?0===f&&1/f!==1/p:f===f||p===p)&&(s(t,e,{name:u,type:"update",object:t,oldValue:f},n),e.values[o]=p));for(r=d.length;h&&r--;)null!==d[r]&&(s(t,e,{name:d[r],type:"delete",object:t,oldValue:v[r]},n),e.properties.splice(r,1),e.values.splice(r,1),h--)}},s=function(e,t,n,r){t.handlers.forEach(function(t){var o;o=t.observed.get(e).events,("string"!=typeof r||-1===c(o,r))&&c(o,n.type)>-1&&t.changeRecords.push(n)})},h=function(){f.size&&(f.forEach(d),u.forEach(i),a(h))},i=function(e,t){e.changeRecords.length&&(t(e.changeRecords),e.changeRecords=[])},f=new Map,u=new Map,t.observe=function(n,r,o){if(null==o&&(o=e),!n||"object"!=typeof n&&"function"!=typeof n)throw new TypeError("Object.observe cannot observe non-object");if("function"!=typeof r)throw new TypeError("Object.observe cannot deliver to non-function");if(t.isFrozen&&t.isFrozen(r))throw new TypeError("Object.observe cannot deliver to a frozen function object");if(arguments.length>2&&"object"!=typeof o)throw new TypeError("Object.observe cannot use non-object accept list");return l(n,r,o),n},t.unobserve=function(e,t){var n,r;if(null===e||"object"!=typeof e&&"function"!=typeof e)throw new TypeError("Object.unobserve cannot unobserve non-object");if("function"!=typeof t)throw new TypeError("Object.unobserve cannot deliver to non-function");return n=u.get(t),r=void 0,n&&(r=n.observed.get(e))&&(n.observed.forEach(function(e,t){d(e.data,t)}),a(function(){i(n,t)}),1===n.observed.size&&n.observed.has(e)?u["delete"](t):n.observed["delete"](e),1===r.data.handlers.size?f["delete"](e):r.data.handlers["delete"](t)),e}}(Object,Array,this)}).call(this);
+
+/*
+Basic Module
+
+@namespace  Hamsa
+@class      Module
+
+@author     Javier Jimenez Villar <[e-mail]> || @soyjavi
+ */
+
+(function() {
+  'use strict';
+  var DEFAULT_EVENTS, _cast, _constructorUpdate, _existObserver, _guid, _unobserve,
+    indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
+
+  DEFAULT_EVENTS = ['add', 'update', 'delete'];
+
+  (function(exports) {
+    var Hamsa;
+    Hamsa = (function() {
+
+      /*
+      Set a array of fields used in the Class
+      @method fields
+      @param  {string}    Unknown arguments, each argument is the name of field.
+       */
+      Hamsa.define = function(fields1) {
+        var field;
+        this.fields = fields1 != null ? fields1 : {};
+        this.events = [];
+        this.names = (function() {
+          var results;
+          results = [];
+          for (field in this.fields) {
+            results.push(field);
+          }
+          return results;
+        }).call(this);
+        this.observers = [];
+        this.records = {};
+        return this;
+      };
+
+
+      /*
+      Returns all instances of the Class
+      @method all
+      @return {array}     Array of all repository instances.
+       */
+
+      Hamsa.all = function() {
+        return this.find();
+      };
+
+
+      /*
+      Destroy all instances of the Class
+      @method destroyAll
+      @return {array}     Empty array of all repository instances.
+       */
+
+      Hamsa.destroyAll = function() {
+        var uid;
+        for (uid in this.records) {
+          delete this.records[uid];
+        }
+        return this.records;
+      };
+
+
+      /*
+      Returns instances of the defined Hamsa Class
+      @method find
+      @param  {object}  [OPTIONAL] Specifies selection criteria using query operators.
+                        To return all instances, omit this parameter.
+      @return {array}   Array of Hamsa instances
+       */
+
+      Hamsa.find = function(query) {
+        var exists, field, record, records, ref, uid, value;
+        if (query == null) {
+          query = {};
+        }
+        records = [];
+        ref = this.records;
+        for (uid in ref) {
+          record = ref[uid];
+          exists = true;
+          for (field in query) {
+            value = query[field];
+            if (exists) {
+              if (_cast(record[field], this.fields[field]) !== value) {
+                exists = false;
+              }
+            }
+          }
+          if (exists) {
+            records.push(record);
+          }
+        }
+        return records;
+      };
+
+
+      /*
+      Returns one instance that satisfies the specified query criteria
+      @method findOne
+      @param  {object}  [OPTIONAL] Specifies selection criteria using query operators.
+                        To return the first instance, omit this parameter.
+      @return {object}  Hamsa instance.
+       */
+
+      Hamsa.findOne = function(query) {
+        return this.find(query)[0];
+      };
+
+
+      /*
+      Modifies and returns a single instance
+      @method findAndModify
+      @param  {object}  Document parameter with the embedded document fields.
+      @return {object}  Hamsa instance.
+       */
+
+      Hamsa.findAndModify = function(document) {
+        var key, record, ref, value;
+        record = this.findOne(document.query);
+        if (record) {
+          ref = document.update;
+          for (key in ref) {
+            value = ref[key];
+            record[key] = value;
+          }
+        }
+        return record || new this(document.update);
+      };
+
+
+      /*
+      Observe changes in instance repository.
+      @method observe
+      @param  {function}  A function to execute each time the object is changed.
+      @return {array}     Observers availables.
+       */
+
+      Hamsa.observe = function(callback, events1) {
+        this.events = events1 != null ? events1 : DEFAULT_EVENTS;
+        Object.observe(this.records, (function(_this) {
+          return function(states) {
+            var constructor, event, j, len, ref, ref1, results, state;
+            if (_existObserver(_this.observers, callback)) {
+              results = [];
+              for (j = 0, len = states.length; j < len; j++) {
+                state = states[j];
+                constructor = ((ref = _this.records[state.name]) != null ? ref.constructor : void 0) || state.oldValue.constructor;
+                if (constructor === _this) {
+                  event = {
+                    type: state.type,
+                    name: state.name
+                  };
+                  if ((ref1 = state.type) === 'add' || ref1 === 'update') {
+                    event.object = _this.records[state.name];
+                  } else {
+                    event.oldValue = state.oldValue;
+                  }
+                  results.push(callback(event));
+                } else {
+                  results.push(void 0);
+                }
+              }
+              return results;
+            }
+          };
+        })(this), this.events);
+        this.observers.push(callback);
+        return this.observers;
+      };
+
+
+      /*
+      Unobserve changes in instance repository.
+      @method unobserve
+      @return {array}    Observers availables.
+       */
+
+      Hamsa.unobserve = function(callback) {
+        return this.observers = _unobserve(this, callback);
+      };
+
+
+      /*
+      Create a nre instance for a Hamsa Class.
+      @method constructor
+      @param  {object}    Fields for the instance.
+      @param  {function}  A function to execute each time the fields change.
+      @return {object}    Hamsa instance.
+       */
+
+      function Hamsa(fields, callback, events) {
+        var define, field, ref, ref1;
+        if (fields == null) {
+          fields = {};
+        }
+        if (events == null) {
+          events = DEFAULT_EVENTS;
+        }
+        this.constructor.className = this.constructor.name;
+        this.constructor.records[this.uid = _guid()] = this;
+        ref = this.constructor.fields;
+        for (field in ref) {
+          define = ref[field];
+          if (fields[field] || (define["default"] != null)) {
+            if (typeof this[field] === 'function') {
+              this[field](fields[field] || define["default"]);
+            } else {
+              this[field] = _cast(fields[field], define);
+            }
+          }
+        }
+        this.observers = [];
+        if (callback != null) {
+          this.observe(callback, events);
+          this.observers.push(callback);
+        } else if (!callback && indexOf.call((ref1 = this.constructor) != null ? ref1.events : void 0, 'update') >= 0) {
+          Object.observe(this, (function(_this) {
+            return function(states) {
+              var j, len, ref2, results, state;
+              results = [];
+              for (j = 0, len = states.length; j < len; j++) {
+                state = states[j];
+                if (state.object.constructor === _this.constructor) {
+                  if (ref2 = state.name, indexOf.call(_this.constructor.names, ref2) >= 0) {
+                    results.push(_constructorUpdate(state, _this.constructor));
+                  } else {
+                    results.push(void 0);
+                  }
+                }
+              }
+              return results;
+            };
+          })(this), ['update']);
+        }
+        this;
+      }
+
+
+      /*
+      Observe changes in a determinate Hamsa instance.
+      @method observe
+      @param  {function}  A function to execute each time the fields change.
+      @return {array}    Observers availables for the instance.
+       */
+
+      Hamsa.prototype.observe = function(callback, events) {
+        if (events == null) {
+          events = DEFAULT_EVENTS;
+        }
+        Object.observe(this, (function(_this) {
+          return function(states) {
+            var j, len, ref, results, state;
+            if (_existObserver(_this.observers, callback)) {
+              results = [];
+              for (j = 0, len = states.length; j < len; j++) {
+                state = states[j];
+                if (!(ref = state.name, indexOf.call(_this.constructor.names, ref) >= 0)) {
+                  continue;
+                }
+                delete state.object.observer;
+                _constructorUpdate(state, _this.constructor);
+                results.push(callback(state));
+              }
+              return results;
+            }
+          };
+        })(this), events);
+        this.observers.push(callback);
+        return this.observers;
+      };
+
+
+      /*
+      Unobserve changes in a determinate Hamsa instance.
+      @method unobserve
+      @return {array}    Observers availables for the instance.
+       */
+
+      Hamsa.prototype.unobserve = function(callback) {
+        return this.observers = _unobserve(this, callback);
+      };
+
+
+      /*
+      Destroy current Hamsa instance
+      @method destroy
+      @return {object}    Current Hamsa instance
+       */
+
+      Hamsa.prototype.destroy = function(trigger) {
+        var callback, j, len, ref;
+        if (trigger == null) {
+          trigger = true;
+        }
+        if (trigger) {
+          ref = this.observers;
+          for (j = 0, len = ref.length; j < len; j++) {
+            callback = ref[j];
+            callback({
+              type: 'destroy',
+              name: this.uid,
+              oldValue: this.fields()
+            });
+          }
+        }
+        return delete this.constructor.records[this.uid];
+      };
+
+      Hamsa.prototype.fields = function() {
+        var j, len, name, ref, value;
+        value = {};
+        ref = this.constructor.names;
+        for (j = 0, len = ref.length; j < len; j++) {
+          name = ref[j];
+          value[name] = this[name];
+        }
+        return value;
+      };
+
+      return Hamsa;
+
+    })();
+    if (typeof define === 'function' && define.amd) {
+      define(function() {
+        return Hamsa;
+      });
+    } else {
+      exports.Hamsa = Hamsa;
+    }
+    if ((typeof module !== "undefined" && module !== null) && (module.exports != null)) {
+      return module.exports = Hamsa;
+    }
+  })(this);
+
+  _cast = function(value, define) {
+    if (define == null) {
+      define = {
+        type: String
+      };
+    }
+    if (define.type !== Date && define.type !== Array) {
+      return define.type(value || define["default"]);
+    } else if (define.type === Array) {
+      return value || define["default"];
+    } else {
+      return value || define.type(define["default"]);
+    }
+  };
+
+  _constructorUpdate = function(state, className) {
+    var j, len, observer, ref, ref1, results;
+    ref = className.observers;
+    results = [];
+    for (j = 0, len = ref.length; j < len; j++) {
+      observer = ref[j];
+      if (state.type === 'update' && (ref1 = state.type, indexOf.call(className.events, ref1) >= 0)) {
+        delete state.object.observer;
+        results.push(observer(state));
+      } else {
+        results.push(void 0);
+      }
+    }
+    return results;
+  };
+
+  _existObserver = function(observers, callback) {
+    var exists, j, len, observer;
+    exists = false;
+    for (j = 0, len = observers.length; j < len; j++) {
+      observer = observers[j];
+      if (!(observer === callback)) {
+        continue;
+      }
+      exists = true;
+      break;
+    }
+    return exists;
+  };
+
+  _guid = function() {
+    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+      var r, v;
+      r = Math.random() * 16 | 0;
+      v = c === 'x' ? r : r & 3 | 8;
+      return v.toString(16);
+    }).toUpperCase();
+  };
+
+  _unobserve = function(instance, callback) {
+    var index, j, len, observe, ref;
+    ref = instance.observers;
+    for (index = j = 0, len = ref.length; j < len; index = ++j) {
+      observe = ref[index];
+      if (callback) {
+        if (observe === callback) {
+          Object.unobserve(instance, observe);
+          instance.observers.splice(index, 1);
+          break;
+        }
+      } else {
+        Object.unobserve(instance, observe);
+      }
+    }
+    if (!callback) {
+      instance.observers = [];
+    }
+    return instance.observers;
+  };
+
+
+  /*
+  Easy way for extends Javascript 'Classes'
+  
+  @namespace  window
+  @class      Extends
+  
+  @author     Javier Jimenez Villar <[e-mail]> || @soyjavi
+   */
+
+  "use strict";
+
+  window._extends = function(child, parent) {
+    var ctor, key;
+    ctor = function() {
+      this.constructor = child;
+    };
+    for (key in parent) {
+      if (_hasProp.call(parent, key)) {
+        child[key] = parent[key];
+      }
+    }
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor;
+    child.__super__ = parent.prototype;
+    return child;
+  };
+
+  window._hasProp = {}.hasOwnProperty;
+
+
+  /*
+  Polyfill for navigator who don't support Object.observe (ES7)
+  
+  @namespace  Hamsa.Polyfill
+  @class      Polyfill
+  
+  @author     Javier Jimenez Villar <[e-mail]> || @soyjavi
+   */
+
+  "use strict";
+
+  Object.observe || (function(O, A, root) {
+    var addChangeRecord, deliverHandlerRecords, handlers, inArray, nextFrame, observe, observed, performPropertyChecks, runGlobalLoop, setHandler;
+    DEFAULT_EVENTS = ['add', 'update', 'delete'];
+    inArray = A.indexOf || (function(array, pivot, start) {
+      return A.prototype.indexOf.call(array, pivot, start);
+    });
+    nextFrame = root.requestAnimationFrame || root.webkitRequestAnimationFrame || (function() {
+      var initial, last;
+      initial = +(new Date);
+      last = initial;
+      return function(func) {
+        var now;
+        now = +(new Date);
+        return setTimeout((function() {
+          return func((last = +(new Date)) - initial);
+        }), 17);
+      };
+    })();
+    observe = function(object, handler, events) {
+      var data, key, properties, value;
+      data = observed.get(object);
+      if (data) {
+        return setHandler(object, data, handler, events);
+      } else {
+        properties = Object.getOwnPropertyNames(object);
+        data = {
+          handlers: new Map,
+          properties: properties,
+          values: (function() {
+            var results;
+            results = [];
+            for (key in object) {
+              value = object[key];
+              if (indexOf.call(properties, key) >= 0) {
+                results.push(value);
+              }
+            }
+            return results;
+          })()
+        };
+        observed.set(object, data);
+        setHandler(object, data, handler, events);
+        if (observed.size === 1) {
+          return nextFrame(runGlobalLoop);
+        }
+      }
+    };
+    setHandler = function(object, data, handler, events) {
+      var handler_data;
+      handler_data = handlers.get(handler);
+      if (!handler_data) {
+        handlers.set(handler, handler_data = {
+          observed: new Map,
+          changeRecords: []
+        });
+      }
+      handler_data.observed.set(object, {
+        events: events,
+        data: data
+      });
+      return data.handlers.set(handler, handler_data);
+    };
+    performPropertyChecks = function(data, object, except) {
+      var i, index, j, key, keys, len, old_value, properties, properties_length, value, values;
+      if (!data.handlers.size) {
+        return;
+      }
+      values = data.values;
+      keys = Object.getOwnPropertyNames(object);
+      properties = data.properties.slice();
+      properties_length = properties.length;
+      for (j = 0, len = keys.length; j < len; j++) {
+        key = keys[j];
+        index = inArray(properties, key);
+        value = object[key];
+        if (index === -1) {
+          addChangeRecord(object, data, {
+            name: key,
+            type: 'add',
+            object: object
+          }, except);
+          data.properties.push(key);
+          values.push(value);
+        } else {
+          old_value = values[index];
+          properties[index] = null;
+          properties_length--;
+          if ((old_value === value ? old_value === 0 && 1 / old_value !== 1 / value : old_value === old_value || value === value)) {
+            addChangeRecord(object, data, {
+              name: key,
+              type: 'update',
+              object: object,
+              oldValue: old_value
+            }, except);
+            data.values[index] = value;
+          }
+        }
+      }
+      i = properties.length;
+      while (properties_length && i--) {
+        if (properties[i] !== null) {
+          addChangeRecord(object, data, {
+            name: properties[i],
+            type: 'delete',
+            object: object,
+            oldValue: values[i]
+          }, except);
+          data.properties.splice(i, 1);
+          data.values.splice(i, 1);
+          properties_length--;
+        }
+      }
+    };
+    addChangeRecord = function(object, data, changeRecord, except) {
+      data.handlers.forEach(function(handler_data) {
+        var events;
+        events = handler_data.observed.get(object).events;
+        if ((typeof except !== 'string' || inArray(events, except) === -1) && inArray(events, changeRecord.type) > -1) {
+          handler_data.changeRecords.push(changeRecord);
+        }
+      });
+    };
+    runGlobalLoop = function() {
+      if (observed.size) {
+        observed.forEach(performPropertyChecks);
+        handlers.forEach(deliverHandlerRecords);
+        nextFrame(runGlobalLoop);
+      }
+    };
+    deliverHandlerRecords = function(handler_data, handler) {
+      if (handler_data.changeRecords.length) {
+        handler(handler_data.changeRecords);
+        handler_data.changeRecords = [];
+      }
+    };
+    observed = new Map;
+    handlers = new Map;
+
+    /*
+    @function Object.observe
+    @see http://arv.github.io/ecmascript-object-observe/#Object.observe
+     */
+    O.observe = function(object, handler, events) {
+      if (events == null) {
+        events = DEFAULT_EVENTS;
+      }
+      if (!object || typeof object !== 'object' && typeof object !== 'function') {
+        throw new TypeError('Object.observe cannot observe non-object');
+      }
+      if (typeof handler !== 'function') {
+        throw new TypeError('Object.observe cannot deliver to non-function');
+      }
+      if (O.isFrozen && O.isFrozen(handler)) {
+        throw new TypeError('Object.observe cannot deliver to a frozen function object');
+      }
+      if (arguments.length > 2 && typeof events !== 'object') {
+        throw new TypeError('Object.observe cannot use non-object accept list');
+      }
+      observe(object, handler, events);
+      return object;
+    };
+
+    /*
+    @function Object.unobserve
+    @see http://arv.github.io/ecmascript-object-observe/#Object.unobserve
+     */
+    return O.unobserve = function(object, handler) {
+      var handler_data, odata;
+      if (object === null || typeof object !== 'object' && typeof object !== 'function') {
+        throw new TypeError('Object.unobserve cannot unobserve non-object');
+      }
+      if (typeof handler !== 'function') {
+        throw new TypeError('Object.unobserve cannot deliver to non-function');
+      }
+      handler_data = handlers.get(handler);
+      odata = void 0;
+      if (handler_data && (odata = handler_data.observed.get(object))) {
+        handler_data.observed.forEach(function(odata, object) {
+          performPropertyChecks(odata.data, object);
+        });
+        nextFrame(function() {
+          deliverHandlerRecords(handler_data, handler);
+        });
+        if (handler_data.observed.size === 1 && handler_data.observed.has(object)) {
+          handlers['delete'](handler);
+        } else {
+          handler_data.observed['delete'](object);
+        }
+        if (odata.data.handlers.size === 1) {
+          observed['delete'](object);
+        } else {
+          odata.data.handlers['delete'](handler);
+        }
+      }
+      return object;
+    };
+  })(Object, Array, this);
+
+}).call(this);

dist/index.js

 /**
  * hamsa - A dead simple, data-binding & observable model.
- * @version v0.9.20
+ * @version v0.11.1
  * @link    http://gethamsa.com
@@ -8,2 +8,659 @@ * @author  Javi Jimenez Villar (http://soyjavi.com)
  */
-(function(){"use strict";var e,t,n,r,o=[].indexOf||function(e){for(var t=0,n=this.length;n>t;t++)if(t in this&&this[t]===e)return t;return-1};e=["add","update","delete"],function(s){var i;return i=function(){function s(s,i,u){var c,a,l,f;null==s&&(s={}),null==u&&(u=e),this.constructor.className=this.constructor.name,this.constructor.records[this.uid=r()]=this,l=this.constructor.fields;for(a in l)c=l[a],(s[a]||null!=c["default"])&&("function"==typeof this[a]?this[a](s[a]||c["default"]):this[a]=t(s[a],c));this.callbacks=[],this.observers=[],null!=i?this.observe(i,u):!i&&o.call(null!=(f=this.constructor)?f.events:void 0,"update")>=0&&Object.observe(this,function(e){return function(t){var r,s,i,u,c;for(u=[],r=0,s=t.length;s>r;r++)c=t[r],c.object.constructor===e.constructor&&(i=c.name,o.call(e.constructor.names,i)>=0?u.push(n(c,e.constructor)):u.push(void 0));return u}}(this),["update"])}return s.define=function(e){var t;return this.fields=null!=e?e:{},this.callbacks=[],this.events=[],this.names=function(){var e;e=[];for(t in this.fields)e.push(t);return e}.call(this),this.observers=[],this.records={},this},s.all=function(){return this.find()},s.destroyAll=function(){var e;for(e in this.records)delete this.records[e];return this.records},s.find=function(e){var n,r,o,s,i,u,c;null==e&&(e={}),s=[],i=this.records;for(u in i){o=i[u],n=!0;for(r in e)c=e[r],n&&t(o[r],this.fields[r])!==c&&(n=!1);n&&s.push(o)}return s},s.findOne=function(e){return this.find(e)[0]},s.findAndModify=function(e){var t,n,r,o;if(n=this.findOne(e.query)){r=e.update;for(t in r)o=r[t],n[t]=o}return n||new this(e.update)},s.observe=function(t,n){var r;return this.events=null!=n?n:e,r=Object.observe(this.records,function(e){return function(n){var r,o,s,i,u,c,a,l;for(a=[],s=0,i=n.length;i>s;s++)l=n[s],r=(null!=(u=e.records[l.name])?u.constructor:void 0)||l.oldValue.constructor,r===e?(o={type:l.type,name:l.name},"add"===(c=l.type)||"update"===c?o.object=e.records[l.name]:o.oldValue=l.oldValue,a.push(t(o))):a.push(void 0);return a}}(this),this.events),this.callbacks.push(t),this.observers.push(r)},s.unobserve=function(){var e,t,n,r;for(r=this.observers,e=0,t=r.length;t>e;e++)n=r[e],Object.unobserve(this.records,n);return this.callbacks=[],this.observers=[]},s.prototype.observe=function(t,r){var s;return null==r&&(r=e),s=Object.observe(this,function(e){return function(r){var s,i,u,c,a;for(c=[],s=0,i=r.length;i>s;s++)a=r[s],u=a.name,o.call(e.constructor.names,u)>=0&&(delete a.object.observer,n(a,e.constructor),c.push(t(a)));return c}}(this),r),this.callbacks.push(t),this.observers.push(s),s},s.prototype.unobserve=function(){var e,t,n,r;for(r=this.observers,e=0,t=r.length;t>e;e++)n=r[e],Object.unobserve(this,n);return this.callbacks=[],this.observers=[]},s.prototype.destroy=function(e){var t,n,r,o;if(null==e&&(e=!0),e)for(o=this.callbacks,n=0,r=o.length;r>n;n++)(t=o[n])({type:"destroy",name:this.uid,oldValue:this.fields()});return delete this.constructor.records[this.uid]},s.prototype.fields=function(){var e,t,n,r,o;for(o={},r=this.constructor.names,e=0,t=r.length;t>e;e++)n=r[e],o[n]=this[n];return o},s}(),"function"==typeof define&&define.amd?define(function(){return i}):s.Hamsa=i,"undefined"!=typeof module&&null!==module&&null!=module.exports?module.exports=i:void 0}(this),r=function(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(e){var t,n;return t=16*Math.random()|0,n="x"===e?t:3&t|8,n.toString(16)}).toUpperCase()},t=function(e,t){return null==t&&(t={type:String}),t.type!==Date&&t.type!==Array?t.type(e||t["default"]):t.type===Array?e||t["default"]:e||t.type(t["default"])},n=function(e,t){var n,r,s,i,u,c;for(i=t.callbacks,c=[],r=0,s=i.length;s>r;r++)n=i[r],"update"===e.type&&(u=e.type,o.call(t.events,u)>=0)?(delete e.object.observer,c.push(n(e))):c.push(void 0);return c},window._extends=function(e,t){var n,r;n=function(){this.constructor=e};for(r in t)_hasProp.call(t,r)&&(e[r]=t[r]);return n.prototype=t.prototype,e.prototype=new n,e.__super__=t.prototype,e},window._hasProp={}.hasOwnProperty,Object.observe||function(t,n,r){var s,i,u,c,a,l,f,d,h,p;return e=["add","update","delete"],c=n.indexOf||function(e,t,r){return n.prototype.indexOf.call(e,t,r)},a=r.requestAnimationFrame||r.webkitRequestAnimationFrame||function(){var e,t;return e=+new Date,t=e,function(n){var r;return r=+new Date,setTimeout(function(){return n((t=+new Date)-e)},17)}}(),l=function(e,t,n){var r,s,i,u;return r=f.get(e),r?p(e,r,t,n):(i=Object.getOwnPropertyNames(e),r={handlers:new Map,properties:i,values:function(){var t;t=[];for(s in e)u=e[s],o.call(i,s)>=0&&t.push(u);return t}()},f.set(e,r),p(e,r,t,n),1===f.size?a(h):void 0)},p=function(e,t,n,r){var o;return o=u.get(n),o||u.set(n,o={observed:new Map,changeRecords:[]}),o.observed.set(e,{events:r,data:t}),t.handlers.set(n,o)},d=function(e,t,n){var r,o,i,u,a,l,f,d,h,p,v;if(e.handlers.size){for(v=e.values,a=Object.getOwnPropertyNames(t),d=e.properties.slice(),h=d.length,i=0,l=a.length;l>i;i++)u=a[i],o=c(d,u),p=t[u],-1===o?(s(t,e,{name:u,type:"add",object:t},n),e.properties.push(u),v.push(p)):(f=v[o],d[o]=null,h--,(f===p?0===f&&1/f!==1/p:f===f||p===p)&&(s(t,e,{name:u,type:"update",object:t,oldValue:f},n),e.values[o]=p));for(r=d.length;h&&r--;)null!==d[r]&&(s(t,e,{name:d[r],type:"delete",object:t,oldValue:v[r]},n),e.properties.splice(r,1),e.values.splice(r,1),h--)}},s=function(e,t,n,r){t.handlers.forEach(function(t){var o;o=t.observed.get(e).events,("string"!=typeof r||-1===c(o,r))&&c(o,n.type)>-1&&t.changeRecords.push(n)})},h=function(){f.size&&(f.forEach(d),u.forEach(i),a(h))},i=function(e,t){e.changeRecords.length&&(t(e.changeRecords),e.changeRecords=[])},f=new Map,u=new Map,t.observe=function(n,r,o){if(null==o&&(o=e),!n||"object"!=typeof n&&"function"!=typeof n)throw new TypeError("Object.observe cannot observe non-object");if("function"!=typeof r)throw new TypeError("Object.observe cannot deliver to non-function");if(t.isFrozen&&t.isFrozen(r))throw new TypeError("Object.observe cannot deliver to a frozen function object");if(arguments.length>2&&"object"!=typeof o)throw new TypeError("Object.observe cannot use non-object accept list");return l(n,r,o),n},t.unobserve=function(e,t){var n,r;if(null===e||"object"!=typeof e&&"function"!=typeof e)throw new TypeError("Object.unobserve cannot unobserve non-object");if("function"!=typeof t)throw new TypeError("Object.unobserve cannot deliver to non-function");return n=u.get(t),r=void 0,n&&(r=n.observed.get(e))&&(n.observed.forEach(function(e,t){d(e.data,t)}),a(function(){i(n,t)}),1===n.observed.size&&n.observed.has(e)?u["delete"](t):n.observed["delete"](e),1===r.data.handlers.size?f["delete"](e):r.data.handlers["delete"](t)),e}}(Object,Array,this)}).call(this);
+
+/*
+Basic Module
+
+@namespace  Hamsa
+@class      Module
+
+@author     Javier Jimenez Villar <[e-mail]> || @soyjavi
+ */
+
+(function() {
+  'use strict';
+  var DEFAULT_EVENTS, _cast, _constructorUpdate, _existObserver, _guid, _unobserve,
+    indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
+
+  DEFAULT_EVENTS = ['add', 'update', 'delete'];
+
+  (function(exports) {
+    var Hamsa;
+    Hamsa = (function() {
+
+      /*
+      Set a array of fields used in the Class
+      @method fields
+      @param  {string}    Unknown arguments, each argument is the name of field.
+       */
+      Hamsa.define = function(fields1) {
+        var field;
+        this.fields = fields1 != null ? fields1 : {};
+        this.events = [];
+        this.names = (function() {
+          var results;
+          results = [];
+          for (field in this.fields) {
+            results.push(field);
+          }
+          return results;
+        }).call(this);
+        this.observers = [];
+        this.records = {};
+        return this;
+      };
+
+
+      /*
+      Returns all instances of the Class
+      @method all
+      @return {array}     Array of all repository instances.
+       */
+
+      Hamsa.all = function() {
+        return this.find();
+      };
+
+
+      /*
+      Destroy all instances of the Class
+      @method destroyAll
+      @return {array}     Empty array of all repository instances.
+       */
+
+      Hamsa.destroyAll = function() {
+        var uid;
+        for (uid in this.records) {
+          delete this.records[uid];
+        }
+        return this.records;
+      };
+
+
+      /*
+      Returns instances of the defined Hamsa Class
+      @method find
+      @param  {object}  [OPTIONAL] Specifies selection criteria using query operators.
+                        To return all instances, omit this parameter.
+      @return {array}   Array of Hamsa instances
+       */
+
+      Hamsa.find = function(query) {
+        var exists, field, record, records, ref, uid, value;
+        if (query == null) {
+          query = {};
+        }
+        records = [];
+        ref = this.records;
+        for (uid in ref) {
+          record = ref[uid];
+          exists = true;
+          for (field in query) {
+            value = query[field];
+            if (exists) {
+              if (_cast(record[field], this.fields[field]) !== value) {
+                exists = false;
+              }
+            }
+          }
+          if (exists) {
+            records.push(record);
+          }
+        }
+        return records;
+      };
+
+
+      /*
+      Returns one instance that satisfies the specified query criteria
+      @method findOne
+      @param  {object}  [OPTIONAL] Specifies selection criteria using query operators.
+                        To return the first instance, omit this parameter.
+      @return {object}  Hamsa instance.
+       */
+
+      Hamsa.findOne = function(query) {
+        return this.find(query)[0];
+      };
+
+
+      /*
+      Modifies and returns a single instance
+      @method findAndModify
+      @param  {object}  Document parameter with the embedded document fields.
+      @return {object}  Hamsa instance.
+       */
+
+      Hamsa.findAndModify = function(document) {
+        var key, record, ref, value;
+        record = this.findOne(document.query);
+        if (record) {
+          ref = document.update;
+          for (key in ref) {
+            value = ref[key];
+            record[key] = value;
+          }
+        }
+        return record || new this(document.update);
+      };
+
+
+      /*
+      Observe changes in instance repository.
+      @method observe
+      @param  {function}  A function to execute each time the object is changed.
+      @return {array}     Observers availables.
+       */
+
+      Hamsa.observe = function(callback, events1) {
+        this.events = events1 != null ? events1 : DEFAULT_EVENTS;
+        Object.observe(this.records, (function(_this) {
+          return function(states) {
+            var constructor, event, j, len, ref, ref1, results, state;
+            if (_existObserver(_this.observers, callback)) {
+              results = [];
+              for (j = 0, len = states.length; j < len; j++) {
+                state = states[j];
+                constructor = ((ref = _this.records[state.name]) != null ? ref.constructor : void 0) || state.oldValue.constructor;
+                if (constructor === _this) {
+                  event = {
+                    type: state.type,
+                    name: state.name
+                  };
+                  if ((ref1 = state.type) === 'add' || ref1 === 'update') {
+                    event.object = _this.records[state.name];
+                  } else {
+                    event.oldValue = state.oldValue;
+                  }
+                  results.push(callback(event));
+                } else {
+                  results.push(void 0);
+                }
+              }
+              return results;
+            }
+          };
+        })(this), this.events);
+        this.observers.push(callback);
+        return this.observers;
+      };
+
+
+      /*
+      Unobserve changes in instance repository.
+      @method unobserve
+      @return {array}    Observers availables.
+       */
+
+      Hamsa.unobserve = function(callback) {
+        return this.observers = _unobserve(this, callback);
+      };
+
+
+      /*
+      Create a nre instance for a Hamsa Class.
+      @method constructor
+      @param  {object}    Fields for the instance.
+      @param  {function}  A function to execute each time the fields change.
+      @return {object}    Hamsa instance.
+       */
+
+      function Hamsa(fields, callback, events) {
+        var define, field, ref, ref1;
+        if (fields == null) {
+          fields = {};
+        }
+        if (events == null) {
+          events = DEFAULT_EVENTS;
+        }
+        this.constructor.className = this.constructor.name;
+        this.constructor.records[this.uid = _guid()] = this;
+        ref = this.constructor.fields;
+        for (field in ref) {
+          define = ref[field];
+          if (fields[field] || (define["default"] != null)) {
+            if (typeof this[field] === 'function') {
+              this[field](fields[field] || define["default"]);
+            } else {
+              this[field] = _cast(fields[field], define);
+            }
+          }
+        }
+        this.observers = [];
+        if (callback != null) {
+          this.observe(callback, events);
+          this.observers.push(callback);
+        } else if (!callback && indexOf.call((ref1 = this.constructor) != null ? ref1.events : void 0, 'update') >= 0) {
+          Object.observe(this, (function(_this) {
+            return function(states) {
+              var j, len, ref2, results, state;
+              results = [];
+              for (j = 0, len = states.length; j < len; j++) {
+                state = states[j];
+                if (state.object.constructor === _this.constructor) {
+                  if (ref2 = state.name, indexOf.call(_this.constructor.names, ref2) >= 0) {
+                    results.push(_constructorUpdate(state, _this.constructor));
+                  } else {
+                    results.push(void 0);
+                  }
+                }
+              }
+              return results;
+            };
+          })(this), ['update']);
+        }
+        this;
+      }
+
+
+      /*
+      Observe changes in a determinate Hamsa instance.
+      @method observe
+      @param  {function}  A function to execute each time the fields change.
+      @return {array}    Observers availables for the instance.
+       */
+
+      Hamsa.prototype.observe = function(callback, events) {
+        if (events == null) {
+          events = DEFAULT_EVENTS;
+        }
+        Object.observe(this, (function(_this) {
+          return function(states) {
+            var j, len, ref, results, state;
+            if (_existObserver(_this.observers, callback)) {
+              results = [];
+              for (j = 0, len = states.length; j < len; j++) {
+                state = states[j];
+                if (!(ref = state.name, indexOf.call(_this.constructor.names, ref) >= 0)) {
+                  continue;
+                }
+                delete state.object.observer;
+                _constructorUpdate(state, _this.constructor);
+                results.push(callback(state));
+              }
+              return results;
+            }
+          };
+        })(this), events);
+        this.observers.push(callback);
+        return this.observers;
+      };
+
+
+      /*
+      Unobserve changes in a determinate Hamsa instance.
+      @method unobserve
+      @return {array}    Observers availables for the instance.
+       */
+
+      Hamsa.prototype.unobserve = function(callback) {
+        return this.observers = _unobserve(this, callback);
+      };
+
+
+      /*
+      Destroy current Hamsa instance
+      @method destroy
+      @return {object}    Current Hamsa instance
+       */
+
+      Hamsa.prototype.destroy = function(trigger) {
+        var callback, j, len, ref;
+        if (trigger == null) {
+          trigger = true;
+        }
+        if (trigger) {
+          ref = this.observers;
+          for (j = 0, len = ref.length; j < len; j++) {
+            callback = ref[j];
+            callback({
+              type: 'destroy',
+              name: this.uid,
+              oldValue: this.fields()
+            });
+          }
+        }
+        return delete this.constructor.records[this.uid];
+      };
+
+      Hamsa.prototype.fields = function() {
+        var j, len, name, ref, value;
+        value = {};
+        ref = this.constructor.names;
+        for (j = 0, len = ref.length; j < len; j++) {
+          name = ref[j];
+          value[name] = this[name];
+        }
+        return value;
+      };
+
+      return Hamsa;
+
+    })();
+    if (typeof define === 'function' && define.amd) {
+      define(function() {
+        return Hamsa;
+      });
+    } else {
+      exports.Hamsa = Hamsa;
+    }
+    if ((typeof module !== "undefined" && module !== null) && (module.exports != null)) {
+      return module.exports = Hamsa;
+    }
+  })(this);
+
+  _cast = function(value, define) {
+    if (define == null) {
+      define = {
+        type: String
+      };
+    }
+    if (define.type !== Date && define.type !== Array) {
+      return define.type(value || define["default"]);
+    } else if (define.type === Array) {
+      return value || define["default"];
+    } else {
+      return value || define.type(define["default"]);
+    }
+  };
+
+  _constructorUpdate = function(state, className) {
+    var j, len, observer, ref, ref1, results;
+    ref = className.observers;
+    results = [];
+    for (j = 0, len = ref.length; j < len; j++) {
+      observer = ref[j];
+      if (state.type === 'update' && (ref1 = state.type, indexOf.call(className.events, ref1) >= 0)) {
+        delete state.object.observer;
+        results.push(observer(state));
+      } else {
+        results.push(void 0);
+      }
+    }
+    return results;
+  };
+
+  _existObserver = function(observers, callback) {
+    var exists, j, len, observer;
+    exists = false;
+    for (j = 0, len = observers.length; j < len; j++) {
+      observer = observers[j];
+      if (!(observer === callback)) {
+        continue;
+      }
+      exists = true;
+      break;
+    }
+    return exists;
+  };
+
+  _guid = function() {
+    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+      var r, v;
+      r = Math.random() * 16 | 0;
+      v = c === 'x' ? r : r & 3 | 8;
+      return v.toString(16);
+    }).toUpperCase();
+  };
+
+  _unobserve = function(instance, callback) {
+    var index, j, len, observe, ref;
+    ref = instance.observers;
+    for (index = j = 0, len = ref.length; j < len; index = ++j) {
+      observe = ref[index];
+      if (callback) {
+        if (observe === callback) {
+          Object.unobserve(instance, observe);
+          instance.observers.splice(index, 1);
+          break;
+        }
+      } else {
+        Object.unobserve(instance, observe);
+      }
+    }
+    if (!callback) {
+      instance.observers = [];
+    }
+    return instance.observers;
+  };
+
+
+  /*
+  Easy way for extends Javascript 'Classes'
+  
+  @namespace  window
+  @class      Extends
+  
+  @author     Javier Jimenez Villar <[e-mail]> || @soyjavi
+   */
+
+  "use strict";
+
+  window._extends = function(child, parent) {
+    var ctor, key;
+    ctor = function() {
+      this.constructor = child;
+    };
+    for (key in parent) {
+      if (_hasProp.call(parent, key)) {
+        child[key] = parent[key];
+      }
+    }
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor;
+    child.__super__ = parent.prototype;
+    return child;
+  };
+
+  window._hasProp = {}.hasOwnProperty;
+
+
+  /*
+  Polyfill for navigator who don't support Object.observe (ES7)
+  
+  @namespace  Hamsa.Polyfill
+  @class      Polyfill
+  
+  @author     Javier Jimenez Villar <[e-mail]> || @soyjavi
+   */
+
+  "use strict";
+
+  Object.observe || (function(O, A, root) {
+    var addChangeRecord, deliverHandlerRecords, handlers, inArray, nextFrame, observe, observed, performPropertyChecks, runGlobalLoop, setHandler;
+    DEFAULT_EVENTS = ['add', 'update', 'delete'];
+    inArray = A.indexOf || (function(array, pivot, start) {
+      return A.prototype.indexOf.call(array, pivot, start);
+    });
+    nextFrame = root.requestAnimationFrame || root.webkitRequestAnimationFrame || (function() {
+      var initial, last;
+      initial = +(new Date);
+      last = initial;
+      return function(func) {
+        var now;
+        now = +(new Date);
+        return setTimeout((function() {
+          return func((last = +(new Date)) - initial);
+        }), 17);
+      };
+    })();
+    observe = function(object, handler, events) {
+      var data, key, properties, value;
+      data = observed.get(object);
+      if (data) {
+        return setHandler(object, data, handler, events);
+      } else {
+        properties = Object.getOwnPropertyNames(object);
+        data = {
+          handlers: new Map,
+          properties: properties,
+          values: (function() {
+            var results;
+            results = [];
+            for (key in object) {
+              value = object[key];
+              if (indexOf.call(properties, key) >= 0) {
+                results.push(value);
+              }
+            }
+            return results;
+          })()
+        };
+        observed.set(object, data);
+        setHandler(object, data, handler, events);
+        if (observed.size === 1) {
+          return nextFrame(runGlobalLoop);
+        }
+      }
+    };
+    setHandler = function(object, data, handler, events) {
+      var handler_data;
+      handler_data = handlers.get(handler);
+      if (!handler_data) {
+        handlers.set(handler, handler_data = {
+          observed: new Map,
+          changeRecords: []
+        });
+      }
+      handler_data.observed.set(object, {
+        events: events,
+        data: data
+      });
+      return data.handlers.set(handler, handler_data);
+    };
+    performPropertyChecks = function(data, object, except) {
+      var i, index, j, key, keys, len, old_value, properties, properties_length, value, values;
+      if (!data.handlers.size) {
+        return;
+      }
+      values = data.values;
+      keys = Object.getOwnPropertyNames(object);
+      properties = data.properties.slice();
+      properties_length = properties.length;
+      for (j = 0, len = keys.length; j < len; j++) {
+        key = keys[j];
+        index = inArray(properties, key);
+        value = object[key];
+        if (index === -1) {
+          addChangeRecord(object, data, {
+            name: key,
+            type: 'add',
+            object: object
+          }, except);
+          data.properties.push(key);
+          values.push(value);
+        } else {
+          old_value = values[index];
+          properties[index] = null;
+          properties_length--;
+          if ((old_value === value ? old_value === 0 && 1 / old_value !== 1 / value : old_value === old_value || value === value)) {
+            addChangeRecord(object, data, {
+              name: key,
+              type: 'update',
+              object: object,
+              oldValue: old_value
+            }, except);
+            data.values[index] = value;
+          }
+        }
+      }
+      i = properties.length;
+      while (properties_length && i--) {
+        if (properties[i] !== null) {
+          addChangeRecord(object, data, {
+            name: properties[i],
+            type: 'delete',
+            object: object,
+            oldValue: values[i]
+          }, except);
+          data.properties.splice(i, 1);
+          data.values.splice(i, 1);
+          properties_length--;
+        }
+      }
+    };
+    addChangeRecord = function(object, data, changeRecord, except) {
+      data.handlers.forEach(function(handler_data) {
+        var events;
+        events = handler_data.observed.get(object).events;
+        if ((typeof except !== 'string' || inArray(events, except) === -1) && inArray(events, changeRecord.type) > -1) {
+          handler_data.changeRecords.push(changeRecord);
+        }
+      });
+    };
+    runGlobalLoop = function() {
+      if (observed.size) {
+        observed.forEach(performPropertyChecks);
+        handlers.forEach(deliverHandlerRecords);
+        nextFrame(runGlobalLoop);
+      }
+    };
+    deliverHandlerRecords = function(handler_data, handler) {
+      if (handler_data.changeRecords.length) {
+        handler(handler_data.changeRecords);
+        handler_data.changeRecords = [];
+      }
+    };
+    observed = new Map;
+    handlers = new Map;
+
+    /*
+    @function Object.observe
+    @see http://arv.github.io/ecmascript-object-observe/#Object.observe
+     */
+    O.observe = function(object, handler, events) {
+      if (events == null) {
+        events = DEFAULT_EVENTS;
+      }
+      if (!object || typeof object !== 'object' && typeof object !== 'function') {
+        throw new TypeError('Object.observe cannot observe non-object');
+      }
+      if (typeof handler !== 'function') {
+        throw new TypeError('Object.observe cannot deliver to non-function');
+      }
+      if (O.isFrozen && O.isFrozen(handler)) {
+        throw new TypeError('Object.observe cannot deliver to a frozen function object');
+      }
+      if (arguments.length > 2 && typeof events !== 'object') {
+        throw new TypeError('Object.observe cannot use non-object accept list');
+      }
+      observe(object, handler, events);
+      return object;
+    };
+
+    /*
+    @function Object.unobserve
+    @see http://arv.github.io/ecmascript-object-observe/#Object.unobserve
+     */
+    return O.unobserve = function(object, handler) {
+      var handler_data, odata;
+      if (object === null || typeof object !== 'object' && typeof object !== 'function') {
+        throw new TypeError('Object.unobserve cannot unobserve non-object');
+      }
+      if (typeof handler !== 'function') {
+        throw new TypeError('Object.unobserve cannot deliver to non-function');
+      }
+      handler_data = handlers.get(handler);
+      odata = void 0;
+      if (handler_data && (odata = handler_data.observed.get(object))) {
+        handler_data.observed.forEach(function(odata, object) {
+          performPropertyChecks(odata.data, object);
+        });
+        nextFrame(function() {
+          deliverHandlerRecords(handler_data, handler);
+        });
+        if (handler_data.observed.size === 1 && handler_data.observed.has(object)) {
+          handlers['delete'](handler);
+        } else {
+          handler_data.observed['delete'](object);
+        }
+        if (odata.data.handlers.size === 1) {
+          observed['delete'](object);
+        } else {
+          odata.data.handlers['delete'](handler);
+        }
+      }
+      return object;
+    };
+  })(Object, Array, this);
+
+}).call(this);

package.json

 {
   "name"                        : "hamsa",
-  "version"                     : "0.9.20",
+  "version"                     : "0.11.1",
   "description"                 : "A dead simple, data-binding & observable model.",
@@ -5,0 +5,0 @@ "homepage"                    : "http://gethamsa.com",

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