Add ability to style row data by passing in style index value

.gitignore

@@ -1,2 +1,4 @@
 /example/node_modules
 /node_modules
+*.xlsx
+*.log

.travis.yml

@@ -0,0 +1,7 @@
+language: node_js
+node_js:
+  - "0.10"
+notifications:
+  email:
+    on_success: always
+    on_failure: always

Readme.md

@@ -1,3 +1,6 @@
+[![Build Status](https://travis-ci.org/newscred/Node-Excel-Export.svg?branch=master)](https://travis-ci.org/newscred/Node-Excel-Export)  
+
+
 # excel-export #
 
 A simple node.js module for exporting data set to Excel xlsx file.
@@ -61,3 +64,7 @@ Setup configuration object before passing it into the execute method.  **cols**
 
 	app.listen(3000);
 	console.log('Listening on port 3000');
+
+## Running tests ##  
+To run tests,  
+` npm test `

index.js

@@ -1,6 +1,7 @@
 require('node-zip');
 var fs = require('fs'),
-  SortedMap = require('collections/sorted-map');
+    async = require('async'),
+    SortedMap = require('collections/sorted-map');
 
 Date.prototype.getJulian = function() {
 	return Math.floor((this / 86400000) -
@@ -15,30 +16,31 @@ var templateXLSX = "UEsDBBQAAAAIABN7eUK9Z10uOQEAADUEAAATAAAAW0NvbnRlbnRfVHlwZXNd
 var sheetFront = '<?xml version="1.0" encoding="utf-8"?><x:worksheet xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:x="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac"><x:sheetPr><x:outlinePr summaryBelow="1" summaryRight="1" /></x:sheetPr><x:sheetViews><x:sheetView tabSelected="0" workbookViewId="0" /></x:sheetViews><x:sheetFormatPr defaultRowHeight="15" />';
 var sheetBack = '<x:printOptions horizontalCentered="0" verticalCentered="0" headings="0" gridLines="0" /><x:pageMargins left="0.75" right="0.75" top="0.75" bottom="0.5" header="0.5" footer="0.75" /><x:pageSetup paperSize="1" scale="100" pageOrder="downThenOver" orientation="default" blackAndWhite="0" draft="0" cellComments="none" errors="displayed" /><x:headerFooter /><x:tableParts count="0" /></x:worksheet>';
 
-
 var sharedStringsFront = '<?xml version="1.0" encoding="UTF-8"?><x:sst xmlns:x="http://schemas.openxmlformats.org/spreadsheetml/2006/main" uniqueCount="$count" count="$count">';
 var sharedStringsBack = '</x:sst>';
 var shareStrings, convertedShareStrings;
 
-exports.executeAsync = function(config, callBack){
-	return process.nextTick(function(){
-		var r = exports.execute(config);		
-		callBack(r);
-	});
+exports.executeAsync = function(config, callback){
+  async.series([
+    async.apply(exports.execute, config)
+  ], function (err, result) {
+    if (err) { return callback(err); }
+    return callback(null, result);
+  });
 };
 
 exports.execute = function(config){
 	var cols = config.cols,
-		data = config.rows,
-    colsLength = cols.length,
-	  xlsx = new JSZip(templateXLSX, { base64: true, checkCRC32: false }),
-		sheet = xlsx.file("xl/worksheets/sheet.xml"),
-		sharedStringsXml = xlsx.file("xl/sharedStrings.xml"),
-		rows = "",
-		row ="",
-    colsWidth = "",
-    styleIndex,
-    k;
+  		data = config.rows,
+      colsLength = cols.length,
+  	  xlsx = new JSZip(templateXLSX, { base64: true, checkCRC32: true }),
+  		sheet = xlsx.file("xl/worksheets/sheet.xml"),
+  		sharedStringsXml = xlsx.file("xl/sharedStrings.xml"),
+  		rows = "",
+  		row = "",
+      colsWidth = "",
+      styleIndex,
+      k;
 
   if (config.stylesXmlFile){
     var path = config.stylesXmlFile;
@@ -75,13 +77,13 @@ exports.execute = function(config){
 		row = '<x:row r="' + currRow +'" spans="1:'+ colsLength + '">';
 		for (j=0; j < colsLength; j++)
 		{
-      styleIndex = null;
+      styleIndex = cols[j].styleIndex || 0;
       cellData = r[j];
       cellType = cols[j].type;
       if (typeof cols[j].beforeCellWrite === 'function'){
         var e ={rowNum: currRow, styleIndex: null, cellType: cellType};
         cellData = cols[j].beforeCellWrite(r, cellData, e);
-        styleIndex = e.styleIndex || styleIndex;
+        styleIndex = styleIndex || e.styleIndex;
         cellType = e.cellType;
         delete e;
       }     

package.json

@@ -15,7 +15,8 @@
   "license": "BSD",
   "dependencies": {
     "collections": "^1.2.1",
-    "node-zip": "1.x"
+    "node-zip": "1.x",
+    "async": "~0.9.0"
   },
   "devDependencies": {
     "mocha": "",

test/main.js

@@ -1,28 +1,80 @@
 // test/main.js
 var should = require('should');
 var nodeExcel = require('../index');
-
+var path = require('path');
 
 describe('Simple Excel xlsx Export', function() {
-    describe('Export', function() {
-        it('returns xlsx', function() {
-		var conf ={};
-		conf.cols = [
-			{caption:'string', type:'string'},
-			{caption:'date', type:'date'},
-			{caption:'bool', type:'bool'},
-			{caption:'number 2', type:'number'}				
-		];
-		conf.rows = [
-			['pi', (new Date(Date.UTC(2013, 4, 1))).oaDate(), true, 3.14],
-			["e", (new Date(2012, 4, 1)).oaDate(), false, 2.7182],
-			["M&M<>'", (new Date(Date.UTC(2013, 6, 9))).oaDate(), false, 1.2],
-			["null", null, null, null]
-		];
+  describe('Export', function() {
+    it('returns xlsx', function() {
+			var conf ={};
+
+			conf.cols = [
+				{caption:'string', type:'string'},
+				{caption:'date', type:'date'},
+				{caption:'bool', type:'bool'},
+				{caption:'number 2', type:'number'}		
+			];
+
+			conf.rows = [
+				['pi', (new Date(Date.UTC(2013, 4, 1))).oaDate(), true, 3.14],
+				["e", (new Date(2012, 4, 1)).oaDate(), false, 2.7182],
+				["M&M<>'", (new Date(Date.UTC(2013, 6, 9))).oaDate(), false, 1.2],
+				["null", null, null, null]
+			];
 
-	      var result = nodeExcel.execute(conf),
-				    fs = require('fs');
-				fs.writeFileSync('d.xlsx', result, 'binary');			
+	    var result = nodeExcel.execute(conf),
+			    fs = require('fs');
+			fs.writeFileSync('test1.xlsx', result, 'binary');	
+		});
+
+		it('returns xlsx for big data set', function () {
+			var conf = {};
+
+			conf.stylesXmlFile = path.resolve(__dirname, 'styles.xml');
+
+			conf.cols = [
+				{caption:'Text', type:'string', captionStyleIndex: 1, styleIndex: 2},
+				{caption:'Text 2', type:'string', captionStyleIndex: 1, styleIndex: 2},
+				{caption:'Number', type:'number', captionStyleIndex: 1, styleIndex: 2},
+				{caption:'Boolean', type:'bool', captionStyleIndex: 1, styleIndex: 2}
+			];
+
+			conf.rows = [];
+
+			for(var i=0; i<10000; i++) {
+				conf.rows.push(['hello', 'world', 32000.4567, true]);
+			}
+
+			var result = nodeExcel.execute(conf), fs = require('fs');
+			fs.writeFileSync('test2.xlsx', result, 'binary');
+		});
+  });
+
+describe('Export Async', function() {
+		it('returns xlsx for big data set', function () {
+			var conf = {};
+
+			conf.stylesXmlFile = path.resolve(__dirname, 'styles.xml');
+
+			conf.cols = [
+				{caption:'Text', type:'string', captionStyleIndex: 1, styleIndex: 2},
+				{caption:'Text 2', type:'string', captionStyleIndex: 1, styleIndex: 2},
+				{caption:'Number', type:'number', captionStyleIndex: 1, styleIndex: 2},
+				{caption:'Boolean', type:'bool', captionStyleIndex: 1, styleIndex: 2}
+			];
+
+			conf.rows = [];
+
+			for(var i=0; i<10000; i++) {
+				conf.rows.push(['hello', 'world', 32000.4567, true]);
+			}
+
+			var result = nodeExcel.executeAsync(conf, function (err, sheet) {
+				should.not.exist(err);
+				should.exist(sheet);
+				return sheet;
+			}), fs = require('fs');
+			fs.writeFileSync('test3.xlsx', result, 'binary');
 		});
-    });
+  });
 });

test/styles.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac">
+  <fonts count="2">
+    <font />
+    <font>
+      <b />
+    </font>
+  </fonts>
+  <fills count="1">
+    <fill />
+  </fills>
+  <borders count="1">
+    <border />
+  </borders>
+  <cellStyleXfs count="1">
+    <xf />
+  </cellStyleXfs> 
+  <cellXfs count="2">
+    <xf />
+    <xf fontId="1" />
+  </cellXfs>
+  <dxfs count="0" />
+  <tableStyles count="0" defaultTableStyle="TableStyleMedium2" defaultPivotStyle="PivotStyleLight16" />
+  <extLst>
+    <ext uri="{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}" xmlns:x14="http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"><x14:slicerStyles defaultSlicerStyle="SlicerStyleLight1"/>
+    </ext>
+  </extLst>
+</styleSheet>