/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */ /* vim: set ts=2: */ import * as XLSX from 'xlsx'; const { read, utils: { sheet_to_json } } = XLSX; export function readFirstSheet(data:any, options:XLSX.ParsingOptions): any[][] { const wb: XLSX.WorkBook = read(data, options); const ws: XLSX.WorkSheet = wb.Sheets[wb.SheetNames[0]]; return sheet_to_json(ws, {header:1, raw:true}); };