check if an object exsits and if it has the specified nested property

objHasDeepProp.js

export default const objHasDeepProp = (obj, deepProp) => {
    const props = deepProp.split('.');
    var objToTest = obj;
    var result = true;

    if (!obj) {
        return false;
    }

    for (let i = 0; i < props.length; i++) {
        if (objToTest && objToTest.hasOwnProperty(props[i])) {
            objToTest = objToTest[props[i]];
        } else {
            result = false;
            break;
        }
    }
    
    return result;
}