xls-write/lib/write_xls.js

json to excel . base on node-xlsx

'use strict';

var xlsx = require('node-xlsx');
var fs = require('fs');
var handleJson = function(t, callback) {
  var data = t.sheets;
  var filepath = t.filepath;
  var sheets = [];
  for (var i = 0; i < data.length; i++) {
    data = data[i];
    sheets.push(data2sheet(data));
  }
  savaxlsx(sheets, filepath, callback);
};

var data2sheet = function(data) {
  var header = data.header;
  var items = data.items;
  var sheetName = data.sheetName;
  var sheet = [];
  var row;
  var colkey = [];
  if (header) {
    row = [];
    header.forEach(function(h) {
      for (var key in h) {
        colkey.push(key);
        row.push(h[key]);
        // for(var k in header[key]){
        //     row.push(header[key][k])
        // }
        // row.push(header[key]);
      }
    });

    sheet.push(row);
  }
  for (var i = 0; i < items.length; i++) {
    var item = items[i];
    row = [];
    for (var k = 0; k < colkey.length; k++) {
      row.push(item[colkey[k]]);
    }
    sheet.push(row);
  }
  return { data: sheet, name: sheetName };
};
var savaxlsx = function(sheets, filepath, callback) {
  var buffer = xlsx.build(sheets);

  fs.writeFile(filepath, buffer, 'utf-8', function(err) {
    callback && callback(err);
  });
};

module.exports = { writeXlsx: handleJson };