Traverse with straight loop and recursion

Traversehybrid.js

function TraverseHybrid(bookarray, resultArray = [], currentObj = {}){
    
    //Safe case when bookarray is not an array.
    if (!Array.isArray(bookarray)) return resultArray;
    
    //Safe case when bookarray is empty.
    if (bookarray.length <= 0) return resultArray.push(currentObj);  
    
    let resultObj = {};
    let data = {};
    let hasPropArray = false;
    
    for(let pos = 0; pos < bookarray.length; pos++){
        if (typeof bookarray[pos] === 'object' && !(isObjectEmpty(bookarray[pos]))){            
            data = bookarray[pos];
            for (let property in data) {
                if (data.hasOwnProperty(property)) {
                    if (isPrimitive(data[property]))
                        resultObj[property] = data[property];
                    else 
                        if (Array.isArray(data[property])){
                            hasPropArray = true;
                            TraverseHybrid(data[property], resultArray, resultObj); 
                        };
                };
            };
            
            if (!hasPropArray) resultArray.push(Object.assign({},currentObj,resultObj));
        }
        else {
            //Safe case when bookarray is empty.
            return resultArray.push(currentObj);
        };
        
        hasPropArray = false;
    };
    
    return resultArray;
};