3.1.2

dist/amd/can-map-define.js

@@ -0,0 +1,269 @@
+/*can-map-define@3.1.1#can-map-define*/
+define([
+    'require',
+    'exports',
+    'module',
+    'can-util/js/dev',
+    'can-util/js/assign',
+    'can-util/js/is-plain-object',
+    'can-event',
+    'can-event/batch',
+    'can-map/map-helpers',
+    'can-map',
+    'can-compute',
+    'can-list'
+], function (require, exports, module) {
+    var dev = require('can-util/js/dev');
+    var extend = require('can-util/js/assign');
+    var isPlainObject = require('can-util/js/is-plain-object');
+    var canEvent = require('can-event');
+    var batch = require('can-event/batch');
+    var mapHelpers = require('can-map/map-helpers');
+    var CanMap = require('can-map');
+    var compute = require('can-compute');
+    require('can-list');
+    var define = {};
+    var getPropDefineBehavior = function (behavior, attr, define) {
+        var prop, defaultProp;
+        if (define) {
+            prop = define[attr];
+            defaultProp = define['*'];
+            if (prop && prop[behavior] !== undefined) {
+                return prop[behavior];
+            } else if (defaultProp && defaultProp[behavior] !== undefined) {
+                return defaultProp[behavior];
+            }
+        }
+    };
+    mapHelpers.define = function (Map, baseDefine) {
+        var definitions = Map.prototype.define;
+        if (baseDefine) {
+            var defines = {};
+            mapHelpers.twoLevelDeepExtend(defines, baseDefine);
+            mapHelpers.twoLevelDeepExtend(defines, definitions);
+            extend(definitions, defines);
+        }
+        Map.defaultGenerators = {};
+        for (var prop in definitions) {
+            var type = definitions[prop].type;
+            if (typeof type === 'string') {
+                if (typeof define.types[type] === 'object') {
+                    delete definitions[prop].type;
+                    extend(definitions[prop], define.types[type]);
+                }
+            }
+            if ('value' in definitions[prop]) {
+                if (typeof definitions[prop].value === 'function') {
+                    Map.defaultGenerators[prop] = definitions[prop].value;
+                } else {
+                    Map.defaults[prop] = definitions[prop].value;
+                }
+            }
+            if (typeof definitions[prop].Value === 'function') {
+                (function (Constructor) {
+                    Map.defaultGenerators[prop] = function () {
+                        return new Constructor();
+                    };
+                }(definitions[prop].Value));
+            }
+        }
+    };
+    var oldSetupDefaults = CanMap.prototype._setupDefaults;
+    CanMap.prototype._setupDefaults = function (obj) {
+        var defaults = extend({}, oldSetupDefaults.call(this)), propsCommittedToAttr = {}, Map = this.constructor, originalGet = this._get;
+        this._get = function (originalProp) {
+            var prop = originalProp.indexOf('.') !== -1 ? originalProp.substr(0, originalProp.indexOf('.')) : originalProp;
+            if (prop in defaults && !(prop in propsCommittedToAttr)) {
+                this.attr(prop, defaults[prop]);
+                propsCommittedToAttr[prop] = true;
+            }
+            return originalGet.apply(this, arguments);
+        };
+        for (var prop in Map.defaultGenerators) {
+            if (!obj || !(prop in obj)) {
+                defaults[prop] = Map.defaultGenerators[prop].call(this);
+            }
+        }
+        delete this._get;
+        return defaults;
+    };
+    var proto = CanMap.prototype, oldSet = proto.__set;
+    proto.__set = function (prop, value, current, success, error) {
+        var self = this;
+        var errorCallback = function (errors) {
+                var stub = error && error.call(self, errors);
+                if (stub !== false) {
+                    canEvent.trigger(self, 'error', [
+                        prop,
+                        errors
+                    ], true);
+                }
+                return false;
+            }, setter = getPropDefineBehavior('set', prop, this.define), getter = getPropDefineBehavior('get', prop, this.define);
+        if (setter) {
+            batch.start();
+            var setterCalled = false, setValue = setter.call(this, value, function (value) {
+                    if (getter) {
+                        self[prop](value);
+                    } else {
+                        oldSet.call(self, prop, value, current, success, errorCallback);
+                    }
+                    setterCalled = true;
+                }, errorCallback, getter ? this._computedAttrs[prop].compute.computeInstance.lastSetValue.get() : current);
+            if (getter) {
+                if (setValue !== undefined && !setterCalled && setter.length >= 1) {
+                    this._computedAttrs[prop].compute(setValue);
+                }
+                batch.stop();
+                return;
+            } else if (setValue === undefined && !setterCalled && setter.length > 1) {
+                batch.stop();
+                return;
+            } else {
+                if (!setterCalled) {
+                    oldSet.call(self, prop, setter.length === 0 && setValue === undefined ? value : setValue, current, success, errorCallback);
+                }
+                batch.stop();
+                return this;
+            }
+        } else {
+            oldSet.call(self, prop, value, current, success, errorCallback);
+        }
+        return this;
+    };
+    define.types = {
+        'date': function (str) {
+            var type = typeof str;
+            if (type === 'string') {
+                str = Date.parse(str);
+                return isNaN(str) ? null : new Date(str);
+            } else if (type === 'number') {
+                return new Date(str);
+            } else {
+                return str;
+            }
+        },
+        'number': function (val) {
+            if (val == null) {
+                return val;
+            }
+            return +val;
+        },
+        'boolean': function (val) {
+            if (val == null) {
+                return val;
+            }
+            if (val === 'false' || val === '0' || !val) {
+                return false;
+            }
+            return true;
+        },
+        'htmlbool': function (val) {
+            return typeof val === 'string' || !!val;
+        },
+        '*': function (val) {
+            return val;
+        },
+        'string': function (val) {
+            if (val == null) {
+                return val;
+            }
+            return '' + val;
+        },
+        'compute': {
+            set: function (newValue, setVal, setErr, oldValue) {
+                if (newValue && newValue.isComputed) {
+                    return newValue;
+                }
+                if (oldValue && oldValue.isComputed) {
+                    oldValue(newValue);
+                    return oldValue;
+                }
+                return newValue;
+            },
+            get: function (value) {
+                return value && value.isComputed ? value() : value;
+            }
+        }
+    };
+    var oldType = proto.__type;
+    proto.__type = function (value, prop) {
+        var type = getPropDefineBehavior('type', prop, this.define), Type = getPropDefineBehavior('Type', prop, this.define), newValue = value;
+        if (typeof type === 'string') {
+            type = define.types[type];
+        }
+        if (type || Type) {
+            if (type) {
+                newValue = type.call(this, newValue, prop);
+            }
+            if (Type && newValue != null && !(newValue instanceof Type)) {
+                newValue = new Type(newValue);
+            }
+            return newValue;
+        } else if (isPlainObject(newValue) && newValue.define) {
+            newValue = CanMap.extend(newValue);
+            newValue = new newValue();
+        }
+        return oldType.call(this, newValue, prop);
+    };
+    var oldRemove = proto.__remove;
+    proto.__remove = function (prop, current) {
+        var remove = getPropDefineBehavior('remove', prop, this.define), res;
+        if (remove) {
+            batch.start();
+            res = remove.call(this, current);
+            if (res === false) {
+                batch.stop();
+                return;
+            } else {
+                res = oldRemove.call(this, prop, current);
+                batch.stop();
+                return res;
+            }
+        }
+        return oldRemove.call(this, prop, current);
+    };
+    var oldSetupComputes = proto._setupComputedProperties;
+    proto._setupComputedProperties = function () {
+        oldSetupComputes.apply(this, arguments);
+        for (var attr in this.define) {
+            var def = this.define[attr], get = def.get;
+            if (get) {
+                mapHelpers.addComputedAttr(this, attr, compute.async(undefined, get, this));
+            }
+        }
+    };
+    var oldSingleSerialize = proto.___serialize;
+    var serializeProp = function (map, attr, val) {
+        var serializer = attr === '*' ? false : getPropDefineBehavior('serialize', attr, map.define);
+        if (serializer === undefined) {
+            return oldSingleSerialize.call(map, attr, val);
+        } else if (serializer !== false) {
+            return typeof serializer === 'function' ? serializer.call(map, val, attr) : oldSingleSerialize.call(map, attr, val);
+        }
+    };
+    proto.___serialize = function (name, val) {
+        return serializeProp(this, name, val);
+    };
+    var oldSerialize = proto.serialize;
+    proto.serialize = function (property) {
+        var serialized = oldSerialize.apply(this, arguments);
+        if (property) {
+            return serialized;
+        }
+        var serializer, val;
+        for (var attr in this.define) {
+            if (!(attr in serialized)) {
+                serializer = this.define && (this.define[attr] && this.define[attr].serialize || this.define['*'] && this.define['*'].serialize);
+                if (serializer) {
+                    val = serializeProp(this, attr, this.attr(attr));
+                    if (val !== undefined) {
+                        serialized[attr] = val;
+                    }
+                }
+            }
+        }
+        return serialized;
+    };
+    module.exports = define;
+});