index.js
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/**
* Expose `Delegator`.
*/
module.exports = Delegator;
/**
* Initialize a delegator.
*
* @param {Object} proto
* @param {String} target
* @api public
*/
function Delegator(proto, target) {
if (!(this instanceof Delegator)) return new Delegator(proto, target);
this.proto = proto;
this.target = target;
this.methods = [];
this.getters = [];
this.setters = [];
this.fluents = [];
}
/**
* Delegate method `name`.
*
* @param {String} name
* @return {Delegator} self
* @api public
*/
Delegator.prototype.method = function(name){
var proto = this.proto;
var target = this.target;
this.methods.push(name);
proto[name] = function(){
return this[target][name].apply(this[target], arguments);
};
return this;
};
/**
* Delegator accessor `name`.
*
* @param {String} name
* @return {Delegator} self
* @api public
*/
Delegator.prototype.access = function(name){
return this.getter(name).setter(name);
};
/**
* Delegator getter `name`.
*
* @param {String} name
* @return {Delegator} self
* @api public
*/
Delegator.prototype.getter = function(name){
var proto = this.proto;
var target = this.target;
this.getters.push(name);
proto.__defineGetter__(name, function(){
return this[target][name];
});
return this;
};
/**
* Delegator setter `name`.
*
* @param {String} name
* @return {Delegator} self
* @api public
*/
Delegator.prototype.setter = function(name){
var proto = this.proto;
var target = this.target;
this.setters.push(name);
proto.__defineSetter__(name, function(val){
return this[target][name] = val;
});
return this;
};
/**
* Delegator fluent accessor
*
* @param {String} name
* @return {Delegator} self
* @api public
*/
Delegator.prototype.fluent = function (name) {
var proto = this.proto;
var target = this.target;
this.fluents.push(name);
proto[name] = function(val){
if ('undefined' != typeof val) {
this[target][name] = val;
return this;
} else {
return this[target][name];
}
};
return this;
};