shift73k/assets_old/node_modules/klona/lite/index.mjs

51 lines
979 B
JavaScript

export 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 (tmp.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;
}