From 2cdd09f8016ad5a5355be9d3ad21d5df9e2ca170 Mon Sep 17 00:00:00 2001
From: SheetJS <dev@sheetjs.com>
Date: Sat, 9 Nov 2013 13:14:57 -0800
Subject: [PATCH] browser cleanup

utils should not be leaked
---
 .npmignore |  2 ++
 xlsx.js    | 10 +++++-----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/.npmignore b/.npmignore
index dcaf716..f861188 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1 +1,3 @@
+test_files/
+tests/files/
 index.html
diff --git a/xlsx.js b/xlsx.js
index f2fd59c..1c030f8 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -672,7 +672,7 @@ function parseCT(data) {
 	if(!data) return data;
 	var ct = { workbooks: [], sheets: [], calcchains: [], themes: [], styles: [],
 		coreprops: [], extprops: [], strs:[], xmlns: "" };
-	data.match(/<[^>]*>/g).forEach(function(x) {
+	(data.match(/<[^>]*>/g)||[]).forEach(function(x) {
 		var y = parsexmltag(x);
 		switch(y[0]) {
 			case '<?xml': break;
@@ -1043,11 +1043,11 @@ function sheet_to_csv(sheet) {
 	};
 	var out = "";
 	if(sheet["!ref"]) {
-		var r = utils.decode_range(sheet["!ref"]);
+		var r = XLSX.utils.decode_range(sheet["!ref"]);
 		for(var R = r.s.r; R <= r.e.r; ++R) {
 			var row = [];
 			for(var C = r.s.c; C <= r.e.c; ++C) {
-				var val = sheet[utils.encode_cell({c:C,r:R})];
+				var val = sheet[XLSX.utils.encode_cell({c:C,r:R})];
 				row.push(val ? stringify(val).replace(/\\r\\n/g,"\n").replace(/\\t/g,"\t").replace(/\\\\/g,"\\").replace("\\\"","\"\"") : "");
 			}
 			out += row.join(",") + "\n";
@@ -1070,7 +1070,7 @@ function get_formulae(ws) {
 	return cmds;
 }
 
-var utils = {
+XLSX.utils = {
 	encode_col: encode_col,
 	encode_row: encode_row,
 	encode_cell: encode_cell,
@@ -1089,7 +1089,7 @@ var utils = {
 if(typeof require !== 'undefined' && typeof exports !== 'undefined') {
 	exports.read = XLSX.read;
 	exports.readFile = XLSX.readFile;
-	exports.utils = utils;
+	exports.utils = XLSX.utils;
 	exports.main = function(args) {
 		var zip = XLSX.read(args[0], {type:'file'});
 		console.log(zip.Sheets);