deep-clone-map
Version:
Deep clone and map complex nested objects
41 lines (40 loc) • 1.51 kB
JavaScript
var __assign = this && this.__assign || function () {
__assign = Object.assign || function (t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __spreadArrays = this && this.__spreadArrays || function () {
for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
for (var r = Array(s), k = 0, i = 0; i < il; i++) for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) r[k] = a[j];
return r;
};
function deepCloneMap(o, cb) {
if (!o || typeof o !== 'object') {
return o;
}
// @ts-ignore
var n = Array.isArray(o) ? __spreadArrays(o) : __assign({}, o);
(function t(obj, prevKey) {
if (prevKey === void 0) {
prevKey = '';
}
// @ts-ignore
for (var key in obj) {
var previousKey = prevKey ? prevKey + '.' + key : key;
var isArr = Array.isArray(obj[key]);
var isObj = obj[key] && obj[key].constructor === Object;
if (isArr || isObj) {
obj[key] = isArr ? __spreadArrays(obj[key]) : __assign({}, obj[key]);
t(obj[key], previousKey);
} else if (typeof cb === 'function') {
obj[key] = cb(obj[key], previousKey);
}
}
})(n);
return n;
}