You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
993 B
53 lines
993 B
function klona(x) { |
|
if (typeof x !== 'object') return x; |
|
|
|
var k, tmp, str=Object.prototype.toString.call(x); |
|
|
|
if (str === '[object Object]') { |
|
if (x.constructor !== Object && typeof x.constructor === 'function') { |
|
tmp = new x.constructor(); |
|
for (k in x) { |
|
if (x.hasOwnProperty(k) && tmp[k] !== x[k]) { |
|
tmp[k] = klona(x[k]); |
|
} |
|
} |
|
} else { |
|
tmp = {}; // null |
|
for (k in x) { |
|
if (k === '__proto__') { |
|
Object.defineProperty(tmp, k, { |
|
value: klona(x[k]), |
|
configurable: true, |
|
enumerable: true, |
|
writable: true, |
|
}); |
|
} else { |
|
tmp[k] = klona(x[k]); |
|
} |
|
} |
|
} |
|
return tmp; |
|
} |
|
|
|
if (str === '[object Array]') { |
|
k = x.length; |
|
for (tmp=Array(k); k--;) { |
|
tmp[k] = klona(x[k]); |
|
} |
|
return tmp; |
|
} |
|
|
|
if (str === '[object Date]') { |
|
return new Date(+x); |
|
} |
|
|
|
if (str === '[object RegExp]') { |
|
tmp = new RegExp(x.source, x.flags); |
|
tmp.lastIndex = x.lastIndex; |
|
return tmp; |
|
} |
|
|
|
return x; |
|
} |
|
|
|
exports.klona = klona; |