[개발] javascript 데이터 유효성 체크하는 함수 만들기

validateData 함수 function validateData (data, checkList) { const checkEmpty = (data, checkList) => { return Object.entries(checkList).reduce((result, [ key, checkName ]) => { const currentData = data[key]; const isEmpty = ![0, false].includes(currentData) && !

currentData; const isArrayAndEmpty = Array.isArray(currentData) && currentData.length === 0; return isEmpty || isArrayAndEmpty ? [ ...result, checkName ] : [ ...result, ...checkType(currentData, checkName) ]; }, []); }; const checkType = (cu...