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/*! xlsxspread.js (C) SheetJS LLC -- https://sheetjs.com/ *//* eslint-env browser *//*global XLSX *//*exported stox, xtos */
/** * Converts data from SheetJS to x-spreadsheet * * @param  {Object} wb SheetJS workbook object * * @returns {Object[]} An x-spreadsheet data */function stox(wb) {  var out = [];  wb.SheetNames.forEach(function (name) {    var o = { name: name, rows: {} };    var ws = wb.Sheets[name];    var range = XLSX.utils.decode_range(ws['!ref']);    // sheet_to_json will lost empty row and col at begin as default    range.s = { r: 0, c: 0 };    var aoa = XLSX.utils.sheet_to_json(ws, {      raw: false,      header: 1,      range: range    });
    aoa.forEach(function (r, i) {      var cells = {};      r.forEach(function (c, j) {        cells[j] = { text: c };
        var cellRef = XLSX.utils.encode_cell({ r: i, c: j });
        if ( ws[cellRef] != null && ws[cellRef].f != null) {          cells[j].text = "=" + ws[cellRef].f;        }      });      o.rows[i] = { cells: cells };    });
    o.merges = [];    (ws["!merges"]||[]).forEach(function (merge, i) {      //Needed to support merged cells with empty content      if (o.rows[merge.s.r] == null) {        o.rows[merge.s.r] = { cells: {} };      }      if (o.rows[merge.s.r].cells[merge.s.c] == null) {        o.rows[merge.s.r].cells[merge.s.c] = {};      }
      o.rows[merge.s.r].cells[merge.s.c].merge = [        merge.e.r - merge.s.r,        merge.e.c - merge.s.c      ];
      o.merges[i] = XLSX.utils.encode_range(merge);    });
    out.push(o);  });
  return out;}
/** * Converts data from x-spreadsheet to SheetJS * * @param  {Object[]} sdata An x-spreadsheet data object * * @returns {Object} A SheetJS workbook object */function xtos(sdata) {  var out = XLSX.utils.book_new();  sdata.forEach(function (xws) {    var ws = {};    var rowobj = xws.rows;    for (var ri = 0; ri < rowobj.len; ++ri) {      var row = rowobj[ri];      if (!row) continue;
      var minCoord, maxCoord;      Object.keys(row.cells).forEach(function (k) {        var idx = +k;        if (isNaN(idx)) return;
        var lastRef = XLSX.utils.encode_cell({ r: ri, c: idx });        if (minCoord == null) {          minCoord = { r: ri, c: idx };        } else {          if (ri < minCoord.r) minCoord.r = ri;          if (idx < minCoord.c) minCoord.c = idx;        }        if (maxCoord == undefined) {          maxCoord = { r: ri, c: idx };        } else {          if (ri > maxCoord.r) maxCoord.r = ri;          if (idx > maxCoord.c) maxCoord.c = idx;        }
        var cellText = row.cells[k].text, type = "s";        if (!cellText) {          cellText = "";          type = "z";        } else if (!isNaN(parseFloat(cellText))) {          cellText = parseFloat(cellText);          type = "n";        } else if (cellText.toLowerCase() === "true" || cellText.toLowerCase() === "false") {          cellText = Boolean(cellText);          type = "b";        }
        ws[lastRef] = { v: cellText, t: type };
        if (type == "s" && cellText[0] == "=") {          ws[lastRef].f = cellText.slice(1);        }
        if (row.cells[k].merge != null) {          if (ws["!merges"] == null) ws["!merges"] = [];
          ws["!merges"].push({            s: { r: ri, c: idx },            e: {              r: ri + row.cells[k].merge[0],              c: idx + row.cells[k].merge[1]            }          });        }      });
      ws["!ref"] = XLSX.utils.encode_range({        s: { r: minCoord.r, c: minCoord.c },        e: { r: maxCoord.r, c: maxCoord.c }      });    }
    XLSX.utils.book_append_sheet(out, ws, xws.name);  });
  return out;}