forked from sheetjs/sheetjs
SheetJS
5a3774e36e
- XLSX/XLML/ODS/CSV formula write - XLS Array/Formula record parsing - ODS to/from CSF formula conversion - XLML parse negative dates - formula multiformat and roundtrip tests - update SSF Closes issues: - closes #549 h/t @omershelef - closes #306 h/t @akaustel - closes #300 h/t @wawanopoulos - closes #152 h/t @florf - closes #103 h/t @christocracy - closes #112 h/t @johnyesberg - closes #307 h/t @alexanderknapstein
121 lines
3.2 KiB
JavaScript
121 lines
3.2 KiB
JavaScript
/* writing feature test -- look for TEST: in comments */
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/* vim: set ts=2: */
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/* original data */
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var data = [
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[1,2,3],
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[true, false, null, "sheetjs"],
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["foo","bar",new Date("2014-02-19T14:30Z"), "0.3"],
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["baz", null, "qux", 3.14159]
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];
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var ws_name = "SheetJS";
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var wscols = [
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{wch:6},
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{wch:7},
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{wch:10},
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{wch:20}
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];
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console.log("Sheet Name: " + ws_name);
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console.log("Data: "); for(var i=0; i!=data.length; ++i) console.log(data[i]);
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console.log("Columns :"); for(i=0; i!=wscols.length;++i) console.log(wscols[i]);
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/* require XLSX */
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if(typeof XLSX === "undefined") { try { XLSX = require('./'); } catch(e) { XLSX = require('../'); } }
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/* dummy workbook constructor */
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function Workbook() {
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if(!(this instanceof Workbook)) return new Workbook();
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this.SheetNames = [];
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this.Sheets = {};
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}
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var wb = new Workbook();
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function datenum(v/*:Date*/, date1904/*:?boolean*/)/*:number*/ {
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var epoch = v.getTime();
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if(date1904) epoch += 1462*24*60*60*1000;
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return (epoch + 2209161600000) / (24 * 60 * 60 * 1000);
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}
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/* convert an array of arrays in JS to a CSF spreadsheet */
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function sheet_from_array_of_arrays(data, opts) {
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var ws = {};
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var range = {s: {c:10000000, r:10000000}, e: {c:0, r:0 }};
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for(var R = 0; R != data.length; ++R) {
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for(var C = 0; C != data[R].length; ++C) {
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if(range.s.r > R) range.s.r = R;
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if(range.s.c > C) range.s.c = C;
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if(range.e.r < R) range.e.r = R;
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if(range.e.c < C) range.e.c = C;
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var cell = {v: data[R][C] };
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if(cell.v == null) continue;
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var cell_ref = XLSX.utils.encode_cell({c:C,r:R});
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/* TEST: proper cell types and value handling */
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if(typeof cell.v === 'number') cell.t = 'n';
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else if(typeof cell.v === 'boolean') cell.t = 'b';
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else if(cell.v instanceof Date) {
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cell.t = 'n'; cell.z = XLSX.SSF._table[14];
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cell.v = datenum(cell.v);
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}
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else cell.t = 's';
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ws[cell_ref] = cell;
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}
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}
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/* TEST: proper range */
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if(range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
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return ws;
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}
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var ws = sheet_from_array_of_arrays(data);
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/* TEST: add worksheet to workbook */
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wb.SheetNames.push(ws_name);
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wb.Sheets[ws_name] = ws;
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/* TEST: simple formula */
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ws['C1'].f = "A1+B1";
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ws['C2'] = {t:'n', f:"A1+B1"};
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/* TEST: single-cell array formula */
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ws['D1'] = {t:'n', f:"SUM(A1:C1*A1:C1)", F:"D1:D1"};
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/* TEST: multi-cell array formula */
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ws['E1'] = {t:'n', f:"TRANSPOSE(A1:D1)", F:"E1:E4"};
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ws['E2'] = {t:'n', F:"E1:E4"};
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ws['E3'] = {t:'n', F:"E1:E4"};
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ws['E4'] = {t:'n', F:"E1:E4"};
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ws["!ref"] = "A1:E4";
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/* TEST: column widths */
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ws['!cols'] = wscols;
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console.log("JSON Data: "); console.log(XLSX.utils.sheet_to_json(ws, {header:1}));
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/* write file */
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XLSX.writeFile(wb, 'sheetjs.xlsx', {bookSST:true});
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XLSX.writeFile(wb, 'sheetjs.xlsm');
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XLSX.writeFile(wb, 'sheetjs.xlsb'); // no formula
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XLSX.writeFile(wb, 'sheetjs.xls', {bookType:'biff2'}); // no formula
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XLSX.writeFile(wb, 'sheetjs.xml.xls', {bookType:'xlml'});
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XLSX.writeFile(wb, 'sheetjs.ods');
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XLSX.writeFile(wb, 'sheetjs.fods');
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XLSX.writeFile(wb, 'sheetjs.csv');
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/* test by reading back files */
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XLSX.readFile('sheetjs.xlsx');
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XLSX.readFile('sheetjs.xlsm');
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XLSX.readFile('sheetjs.xlsb');
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XLSX.readFile('sheetjs.xls');
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XLSX.readFile('sheetjs.xml.xls');
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XLSX.readFile('sheetjs.ods');
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XLSX.readFile('sheetjs.fods');
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//XLSX.readFile('sheetjs.csv');
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