[6a3a178] | 1 |
|
---|
| 2 | /**
|
---|
| 3 | * Expose `Delegator`.
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | module.exports = Delegator;
|
---|
| 7 |
|
---|
| 8 | /**
|
---|
| 9 | * Initialize a delegator.
|
---|
| 10 | *
|
---|
| 11 | * @param {Object} proto
|
---|
| 12 | * @param {String} target
|
---|
| 13 | * @api public
|
---|
| 14 | */
|
---|
| 15 |
|
---|
| 16 | function Delegator(proto, target) {
|
---|
| 17 | if (!(this instanceof Delegator)) return new Delegator(proto, target);
|
---|
| 18 | this.proto = proto;
|
---|
| 19 | this.target = target;
|
---|
| 20 | this.methods = [];
|
---|
| 21 | this.getters = [];
|
---|
| 22 | this.setters = [];
|
---|
| 23 | this.fluents = [];
|
---|
| 24 | }
|
---|
| 25 |
|
---|
| 26 | /**
|
---|
| 27 | * Delegate method `name`.
|
---|
| 28 | *
|
---|
| 29 | * @param {String} name
|
---|
| 30 | * @return {Delegator} self
|
---|
| 31 | * @api public
|
---|
| 32 | */
|
---|
| 33 |
|
---|
| 34 | Delegator.prototype.method = function(name){
|
---|
| 35 | var proto = this.proto;
|
---|
| 36 | var target = this.target;
|
---|
| 37 | this.methods.push(name);
|
---|
| 38 |
|
---|
| 39 | proto[name] = function(){
|
---|
| 40 | return this[target][name].apply(this[target], arguments);
|
---|
| 41 | };
|
---|
| 42 |
|
---|
| 43 | return this;
|
---|
| 44 | };
|
---|
| 45 |
|
---|
| 46 | /**
|
---|
| 47 | * Delegator accessor `name`.
|
---|
| 48 | *
|
---|
| 49 | * @param {String} name
|
---|
| 50 | * @return {Delegator} self
|
---|
| 51 | * @api public
|
---|
| 52 | */
|
---|
| 53 |
|
---|
| 54 | Delegator.prototype.access = function(name){
|
---|
| 55 | return this.getter(name).setter(name);
|
---|
| 56 | };
|
---|
| 57 |
|
---|
| 58 | /**
|
---|
| 59 | * Delegator getter `name`.
|
---|
| 60 | *
|
---|
| 61 | * @param {String} name
|
---|
| 62 | * @return {Delegator} self
|
---|
| 63 | * @api public
|
---|
| 64 | */
|
---|
| 65 |
|
---|
| 66 | Delegator.prototype.getter = function(name){
|
---|
| 67 | var proto = this.proto;
|
---|
| 68 | var target = this.target;
|
---|
| 69 | this.getters.push(name);
|
---|
| 70 |
|
---|
| 71 | proto.__defineGetter__(name, function(){
|
---|
| 72 | return this[target][name];
|
---|
| 73 | });
|
---|
| 74 |
|
---|
| 75 | return this;
|
---|
| 76 | };
|
---|
| 77 |
|
---|
| 78 | /**
|
---|
| 79 | * Delegator setter `name`.
|
---|
| 80 | *
|
---|
| 81 | * @param {String} name
|
---|
| 82 | * @return {Delegator} self
|
---|
| 83 | * @api public
|
---|
| 84 | */
|
---|
| 85 |
|
---|
| 86 | Delegator.prototype.setter = function(name){
|
---|
| 87 | var proto = this.proto;
|
---|
| 88 | var target = this.target;
|
---|
| 89 | this.setters.push(name);
|
---|
| 90 |
|
---|
| 91 | proto.__defineSetter__(name, function(val){
|
---|
| 92 | return this[target][name] = val;
|
---|
| 93 | });
|
---|
| 94 |
|
---|
| 95 | return this;
|
---|
| 96 | };
|
---|
| 97 |
|
---|
| 98 | /**
|
---|
| 99 | * Delegator fluent accessor
|
---|
| 100 | *
|
---|
| 101 | * @param {String} name
|
---|
| 102 | * @return {Delegator} self
|
---|
| 103 | * @api public
|
---|
| 104 | */
|
---|
| 105 |
|
---|
| 106 | Delegator.prototype.fluent = function (name) {
|
---|
| 107 | var proto = this.proto;
|
---|
| 108 | var target = this.target;
|
---|
| 109 | this.fluents.push(name);
|
---|
| 110 |
|
---|
| 111 | proto[name] = function(val){
|
---|
| 112 | if ('undefined' != typeof val) {
|
---|
| 113 | this[target][name] = val;
|
---|
| 114 | return this;
|
---|
| 115 | } else {
|
---|
| 116 | return this[target][name];
|
---|
| 117 | }
|
---|
| 118 | };
|
---|
| 119 |
|
---|
| 120 | return this;
|
---|
| 121 | };
|
---|