자바스크립트 엑셀파일 업로드

Reference

• SheetJS : JS로 엑셀 파일 읽기 예제 (https://eblo.tistory.com/83)
• How to upload an Excel sheet file using react.js and display data to a table (https://stackoverflow.com/questions/51084434/how-to-upload-an-excel-sheet-file-using-react-js-and-display-data-to-a-table)
• 서버작업 없이 엑셀파일 내용을 JSON으로 변환해서 활용하는 예제(HTML5 FileReader + Javascript SheetJS) (https://junspapa-itdev.tistory.com/35)
• https://abiodun.dev/import-spreadsheets-or-excel-in-your-react-component/

xlsx 라이브러리 에러날때

• https://github.com/microsoft/PowerBI-visuals-tools/issues/365
• https://github.com/graphql/graphql-js/issues/2721

xlsx 라이브러리

• https://potential-coding.tistory.com/34