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refactor(util) extend

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coderaiser 2014-09-04 03:44:39 -04:00
parent cd91a3efa3
commit 5f9bc7aed6
1 changed files with 26 additions and 15 deletions
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41
lib/util.js
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@ -185,27 +185,38 @@
};
/**
* copy pObj properties to pTargetObject
* copy objFrom properties to target
*
* @pTarget
* @pObj
* @target
* @objFrom
*/
this.extend = function(pTarget, PObj) {
var i, n, lObj,
isFunc = Util.isFunction(PObj),
isArray = Util.isArray(PObj),
isObj = Util.isObject(pTarget),
ret = isObj ? pTarget : {};
this.extend = function(target, objFrom) {
var obj,
keys,
proto,
isFunc = Util.isFunction(objFrom),
isArray = Util.isArray(objFrom),
isObj = Util.isObject(target),
ret = isObj ? target : {};
if (isArray)
for (i = 0, n = PObj.length; i < n; i++)
ret = Util.extend(pTarget, PObj[i]);
objFrom.forEach(function(item) {
ret = Util.extend(target, item);
});
else if (PObj) {
lObj = isFunc ? new PObj() : PObj;
else if (objFrom) {
obj = isFunc ? new objFrom() : objFrom;
keys = Object.keys(obj);
for(i in lObj)
ret[i] = lObj[i];
if (!keys.length) {
proto = Object.getPrototypeOf(objFrom);
keys = Object.keys(proto);
}
keys.forEach(function(name) {
ret[name] = obj[name];
});
}
return ret;