49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
var Class = require('./Class');
|
|
var safeGet = require('./safeGet');
|
|
var defineProp = require('./defineProp');
|
|
var isStr = require('./isStr');
|
|
exports = Class({
|
|
initialize: function Delegator(host, target) {
|
|
this._host = host;
|
|
if (isStr(target)) {
|
|
target = safeGet(host, target);
|
|
}
|
|
this._target = target;
|
|
},
|
|
method: function(name, targetName) {
|
|
var target = this._target;
|
|
var fn = target[targetName || name];
|
|
this._host[name] = function() {
|
|
return fn.apply(target, arguments);
|
|
};
|
|
return this;
|
|
},
|
|
getter: function(name, targetName) {
|
|
var target = this._target;
|
|
targetName = targetName || name;
|
|
defineProp(this._host, name, {
|
|
get: function() {
|
|
return target[targetName];
|
|
},
|
|
configurable: true
|
|
});
|
|
return this;
|
|
},
|
|
setter: function(name, targetName) {
|
|
var target = this._target;
|
|
targetName = targetName || name;
|
|
defineProp(this._host, name, {
|
|
set: function(val) {
|
|
return (target[targetName] = val);
|
|
},
|
|
configurable: true
|
|
});
|
|
return this;
|
|
},
|
|
access: function(name, targetName) {
|
|
return this.getter(name, targetName).setter(name, targetName);
|
|
}
|
|
});
|
|
|
|
module.exports = exports;
|