verificator/es/utils/set.js

Client and server-side validation JavaScript library

import { REGEXP_IS_UINT } from '../constants';
import isObject from './isObject';
const set = (object, keyPath, value) => {
    const path = keyPath.split('.');
    const length = path.length;
    const lastIndex = length - 1;
    let index = -1;
    let nested = object;
    while (nested != null && ++index < length) {
        const key = path[index];
        let newValue = value;
        if (index !== lastIndex) {
            const objValue = nested[key];
            newValue = isObject(objValue) ? objValue : (REGEXP_IS_UINT.test(path[index + 1]) ? [] : {});
        }
        nested[key] = newValue;
        nested = nested[key];
    }
    return object;
};
export default set;