sheetjs_sheetjs/types/write.ts

/* writing feature test -- look for TEST: in comments */
/* vim: set ts=2 ft=javascript: */

/* original data */
let data: any[][] = [
	[1, 2, 3],
	[true, false, null, "sheetjs"],
	["foo", "bar", new Date("2014-02-19T14:30Z"), "0.3"],
	["baz", null, "qux", 3.14159],
	["hidden"],
	["visible"]
];

const ws_name = "SheetJS";

let wscols: XLSX.ColInfo[] = [
	{wch: 6}, // "characters"
	{wpx: 50}, // "pixels"
	,
	{hidden: true} // hide column
];

/* At 96 PPI, 1 pt = 1 px */
let wsrows: XLSX.RowInfo[] = [
	{hpt: 12}, // "points"
	{hpx: 16}, // "pixels"
	,
	{hpx: 24},
	{hidden: true}, // hide row
	{hidden: false}
];

console.log("Sheet Name: " + ws_name);
console.log("Data: ");
let i = 0;
for(i = 0; i !== data.length; ++i) console.log(data[i]);
console.log("Columns :");
for(i = 0; i !== wscols.length; ++i) console.log(wscols[i]);

/* require XLSX */
import XLSX = require('xlsx');

/* blank workbook constructor */

let wb: XLSX.WorkBook = { SheetNames: <string[]>[], Sheets: {} };


/* convert an array of arrays in JS to a CSF spreadsheet */
let ws: XLSX.WorkSheet = XLSX.utils.aoa_to_sheet(data, {cellDates:true});

/* TEST: add worksheet to workbook */
wb.SheetNames.push(ws_name);
wb.Sheets[ws_name] = ws;

/* TEST: simple formula */
(<XLSX.CellObject>ws['C1']).f = "A1+B1";
ws['C2'] = {t:'n', f:"A1+B1"};

/* TEST: single-cell array formula */

ws['D1'] = {t:'n', f:"SUM(A1:C1*A1:C1)", F:"D1:D1"};


/* TEST: multi-cell array formula */
ws['E1'] = {t:'n', f:"TRANSPOSE(A1:D1)", F:"E1:E4"};
ws['E2'] = {t:'n', F:"E1:E4"};
ws['E3'] = {t:'n', F:"E1:E4"};
ws['E4'] = {t:'n', F:"E1:E4"};
ws["!ref"] = "A1:E6";

/* TEST: column props */
ws['!cols'] = wscols;

/* TEST: row props */
ws['!rows'] = wsrows;

/* TEST: hyperlink note: Excel does not automatically style hyperlinks */
(<XLSX.CellObject>ws['A3']).l = { Target: "http://sheetjs.com", Tooltip: "Visit us <SheetJS.com!>" };

/* TEST: built-in format */
(<XLSX.CellObject>ws['B1']).z = "0%"; // Format Code 9

/* TEST: custom format */
const custfmt = "\"This is \"\\ 0.0";
(<XLSX.CellObject>ws['C2']).z = custfmt;

/* TEST: page margins */
ws['!margins'] =  { left:1.0, right:1.0, top:1.0, bottom:1.0, header:0.5, footer:0.5 };

console.log("JSON Data:");
console.log(XLSX.utils.sheet_to_json(ws, {header:1}));

/* TEST: hidden sheets */
wb.SheetNames.push("Hidden");
wb.Sheets["Hidden"] = XLSX.utils.aoa_to_sheet(["Hidden".split(""), [1,2,3]]);
wb.Workbook = {Sheets:[]};
wb.Workbook.Sheets[1] = {Hidden:1};

/* TEST: properties */
wb.Props = {
	Title: "SheetJS Test",
	Subject: "Tests",
	Author: "Devs at SheetJS",
	Manager: "Sheet Manager",
	Company: "SheetJS",
	Category: "Experimentation",
	Keywords: "Test",
	Comments: "Nothing to say here",
	LastAuthor: "Not SheetJS",
	CreatedDate: new Date(2017,1,19)
};

/* TEST: comments */

(<XLSX.CellObject>ws['A4']).c = [];
(<XLSX.CellObject>ws['A4']).c.push({a:"SheetJS",t:"I'm a little comment, short and stout!\n\nWell, Stout may be the wrong word"});


/* TEST: sheet protection */
ws['!protect'] = {
	password:"password",
	/* enable formatting rows and columns */
	formatRows:false,
	formatColumns:false,
	/* disable editing objects and scenarios */
	objects:true,
	scenarios:true
};

/* TEST: Workbook Properties */
if(!wb.Workbook) wb.Workbook = {Sheets:[], WBProps:{}};
if(!wb.Workbook.WBProps) wb.Workbook.WBProps = {};
wb.Workbook.WBProps.filterPrivacy = true;

console.log("Worksheet Model:");
console.log(ws);

const filenames: Array<[string]|[string, XLSX.WritingOptions]> = [
	['sheetjs.xlsx', {bookSST:true}],
	['sheetjs.xlsm'],
	['sheetjs.xlsb'],
	['sheetjs.xls', {bookType:'biff2'}],
	['sheetjs.xml.xls', {bookType:'xlml'}],
	['sheetjs.ods'],
	['sheetjs.fods'],
	['sheetjs.slk'],
	['sheetjs.csv'],
	['sheetjs.txt'],
	['sheetjs.prn'],
	['sheetjs.dif']
];

filenames.forEach((r) => {
		/* write file */
		XLSX.writeFile(wb, r[0], r[1]);
		/* test by reading back files */
		XLSX.readFile(r[0]);
});