dset
Version:
A tiny (194B) utility for safely writing deep Object values~!
10 lines (9 loc) • 364 B
JavaScript
export function dset(obj, keys, val) {
keys.split && (keys=keys.split('.'));
var i=0, l=keys.length, t=obj, x, k;
while (i < l) {
k = ''+keys[i++];
if (k === '__proto__' || k === 'constructor' || k === 'prototype') break;
t = t[k] = (i === l) ? val : (typeof(x=t[k])===typeof(keys)) ? x : (keys[i]*0 !== 0 || !!~(''+keys[i]).indexOf('.')) ? {} : [];
}
}