CHANGELOG.md

@@ -6,8 +6,6 @@ changes may not be included if they are not expected to break existing code.
 
 ## v0.20.2
 
-* Reworked parsing methods to avoid slow regexes (CVE-2024-22363)
-* HTML properly encode data-v attribute
 * SYLK read and write error cells
 
 ## v0.20.1

CONTRIBUTING.md

@@ -4,17 +4,17 @@ The SheetJS Libraries should be free and clear to use in your projects.  In
 order to maintain that, every contributor must be vigilant.
 
 There have been many projects in the past that have been very lax regarding
-licensing. We are of the opinion that those are ticking timebombs and that no
-commercial product should depend on them.
+licensing, and we are of the opinion that those are ticking timebombs and that
+no commercial product should depend on them.
 
 
 # Required Reading
 
 These are pretty short reads and emphasize the importance of proper licensing:
 
-- https://github.com/jazzband/tablib/issues/114 (discussion of other tools)
+- https://github.com/kennethreitz/tablib/issues/114 (discussion of other tools)
 
-- https://web.archive.org/web/20120615223756/http://www.codinghorror.com/blog/2007/04/pick-a-license-any-license.html
+- http://www.codinghorror.com/blog/2007/04/pick-a-license-any-license.html
 
 
 # Raising Issues
@@ -30,9 +30,10 @@ inbox is self-hosted.
 
 # Opening Pull Requests
 
-[Squash commits](https://git-scm.com/book/en/v2/Git-Tools-Rewriting-History)
-before opening a pull request, If the pull request addresses documentation or
-demos, add `[ci skip]` in the body or title of the commit message to skip tests.
+Before opening a pull request, [squash all commits into 
+one](https://git-scm.com/book/en/v2/Git-Tools-Rewriting-History). If the pull 
+request addresses documentation or demos, add `[ci skip]` in the body or title 
+of your commit message to skip Travis checks.
 
 # Pre-Contribution Checklist
 
@@ -56,8 +57,8 @@ issue.  If it is a particularly high-priority issue, please drop an email to
 Keep these in mind as you work:
 
 - Your contributions are your original work.  Take note of any resources you
-  consult in the process. Be extra careful not to use unlicensed code on the
-  Internet or code generated by a large language model or other AI tool.
+  consult in the process (and be extra careful not to use unlicensed code on
+  the internet.
 
 - You are working on your own time.  Unless they explicitly grant permission,
   your employer may be the ultimate owner of your IP

bits/01_version.js

@@ -1 +1 @@
-XLSX.version = '0.20.2';
+XLSX.version = '0.20.1';

bits/10_ssf.js

@@ -243,7 +243,6 @@ function SSF_large_exp(v/*:number*/)/*:string*/ {
 }
 
 function SSF_general_num(v/*:number*/)/*:string*/ {
-	if(!isFinite(v)) return isNaN(v) ? "#VALUE!" : "#DIV/0!";
 	var V = Math.floor(Math.log(Math.abs(v))*Math.LOG10E), o;
 
 	if(V >= -4 && V <= -1) o = v.toPrecision(10+V);
@@ -409,7 +408,7 @@ function write_num_f2(r/*:Array<string>*/, aval/*:number*/, sign/*:string*/)/*:s
 	return sign + (aval === 0 ? "" : ""+aval) + fill(" ", r[1].length + 2 + r[4].length);
 }
 var dec1 = /^#*0*\.([0#]+)/;
-var closeparen = /\)[^)]*[0#]/;
+var closeparen = /\).*[0#]/;
 var phone = /\(###\) ###\\?-####/;
 function hashq(str/*:string*/)/*:string*/ {
 	var o = "", cc;
@@ -941,8 +940,6 @@ function choose_fmt(f/*:string*/, v/*:any*/) {
 	if(l<4 && lat>-1) --l;
 	if(fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
 	if(typeof v !== "number") return [4, fmt.length === 4 || lat>-1?fmt[fmt.length-1]:"@"];
-	/* NOTE: most spreadsheet software do not support NaN or infinities */
-	if(typeof v === "number" && !isFinite(v)) v = 0;
 	switch(fmt.length) {
 		case 1: fmt = lat>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
 		case 2: fmt = lat>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
@@ -979,8 +976,6 @@ function SSF_format(fmt/*:string|number*/,v/*:any*/,o/*:?any*/) {
 	if(SSF_isgeneral(f[1])) return SSF_general(v, o);
 	if(v === true) v = "TRUE"; else if(v === false) v = "FALSE";
 	else if(v === "" || v == null) return "";
-	else if(isNaN(v) && f[1].indexOf("0") > -1) return "#VALUE!";
-	else if(!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
 	return eval_fmt(f[1], v, o, f[0]);
 }
 function SSF_load(fmt/*:string*/, idx/*:?number*/)/*:number*/ {

bits/18_cfb.js

@@ -1683,7 +1683,7 @@ function parse_mime(cfb/*:CFBContainer*/, data/*:Array<string>*/, root/*:string*
 	for(;di < 10; ++di) {
 		var line = data[di];
 		if(!line || line.match(/^\s*$/)) break;
-		var m = line.match(/^([^:]*?):\s*([^\s].*)$/);
+		var m = line.match(/^(.*?):\s*([^\s].*)$/);
 		if(m) switch(m[1].toLowerCase()) {
 			case "content-location": fname = m[2].trim(); break;
 			case "content-type": ctype = m[2].trim(); break;

bits/20_jsutils.js

@@ -87,7 +87,7 @@ function parseDate(str/*:string*/, date1904/*:boolean*/)/*:Date*/ {
 	if(m) return new Date(Date.UTC(+m[1], +m[2]-1, +m[3], 0, 0, 0, 0));
 	/* TODO: 1900-02-29T00:00:00.000 should return a flag to treat as a date code (affects xlml) */
 	m = str.match(pdre3);
-	if(m) return new Date(Date.UTC(+m[1], +m[2]-1, +m[3], +m[4], +m[5], ((m[6] && parseInt(m[6].slice(1), 10))|| 0), ((m[7] && parseInt((m[7] + "0000").slice(1,4), 10))||0)));
+	if(m) return new Date(Date.UTC(+m[1], +m[2]-1, +m[3], +m[4], +m[5], ((m[6] && parseInt(m[6].slice(1), 10))|| 0), ((m[7] && parseInt(m[7].slice(1), 10))||0)));
 	var d = new Date(str);
 	return d;
 }
@@ -154,7 +154,7 @@ function fuzzynum(s/*:string*/)/*:number*/ {
 	var wt = 1;
 	var ss = s.replace(/([\d]),([\d])/g,"$1$2").replace(/[$]/g,"").replace(/[%]/g, function() { wt *= 100; return "";});
 	if(!isNaN(v = Number(ss))) return v / wt;
-	ss = ss.replace(/[(]([^()]*)[)]/,function($$, $1) { wt = -wt; return $1;});
+	ss = ss.replace(/[(](.*)[)]/,function($$, $1) { wt = -wt; return $1;});
 	if(!isNaN(v = Number(ss))) return v / wt;
 	return v;
 }
@@ -224,15 +224,6 @@ function local_to_utc(local) {
 	return new Date(Date.UTC(local.getFullYear(), local.getMonth(), local.getDate(), local.getHours(), local.getMinutes(), local.getSeconds(), local.getMilliseconds()));
 }
 
-function remove_doctype(str) {
-	var preamble = str.slice(0, 1024);
-	var si = preamble.indexOf("<!DOCTYPE");
-	if(si == -1) return str;
-	var m = str.match(/<[\w]/);
-	if(!m) return str;
-	return str.slice(0, si) + str.slice(m.index);
-}
-
 /* str.match(/<!--[\s\S]*?-->/g) --> str_match_ng(str, "<!--", "-->") */
 function str_match_ng(str, s, e) {
   var out = [];
@@ -266,13 +257,11 @@ function str_remove_ng(str, s, e) {
   return out.join("");
 }
 
-/* str.match(/<tag\b[^>]*?>([\s\S]*?)</tag>/) --> str_match_xml(str, "tag") */
-var xml_boundary = { " ": 1, "\t": 1, "\r": 1, "\n": 1, ">": 1 };
+/* str.match(/<tag[^>]*?>([\s\S]*?)</tag>/) --> str_match_xml(str, "tag") */
 function str_match_xml(str, tag) {
-	var si = str.indexOf('<' + tag), w = tag.length + 1, L = str.length;
-	while(si >= 0 && si <= L - w && !xml_boundary[str.charAt(si + w)]) si = str.indexOf('<' + tag, si+1);
+	var si = str.indexOf('<' + tag);
 	if(si === -1) return null;
-	var sf = str.indexOf(">", si + tag.length);
+	var sf = str.indexOf(">", si);
 	if(sf === -1) return null;
 	var et = "</" + tag + ">";
 	var ei = str.indexOf(et, sf);
@@ -280,13 +269,12 @@ function str_match_xml(str, tag) {
 	return [str.slice(si, ei + et.length), str.slice(sf + 1, ei)];
 }
 
-/* str.match(/<(?:\w+:)?tag\b[^<>]*?>([\s\S]*?)<\/(?:\w+:)?tag>/) --> str_match_xml(str, "tag") */
 var str_match_xml_ns = /*#__PURE__*/(function() {
 	var str_match_xml_ns_cache = {};
 	return function str_match_xml_ns(str, tag) {
 		var res = str_match_xml_ns_cache[tag];
 		if(!res) str_match_xml_ns_cache[tag] = res = [
-			new RegExp('<(?:\\w+:)?'+tag+'\\b[^<>]*>', "g"),
+			new RegExp('<(?:\\w+:)?'+tag+'[^>]*>', "g"),
 			new RegExp('</(?:\\w+:)?'+tag+'>', "g")
 		];
 		res[0].lastIndex = res[1].lastIndex = 0;
@@ -303,74 +291,24 @@ var str_match_xml_ns = /*#__PURE__*/(function() {
 	};
 })();
 
-/* str.match(/<(?:\w+:)?tag\b[^<>]*?>([\s\S]*?)<\/(?:\w+:)?tag>/g) --> str_match_xml_ns_g(str, "tag") */
 var str_match_xml_ns_g = /*#__PURE__*/(function() {
 	var str_match_xml_ns_cache = {};
 	return function str_match_xml_ns(str, tag) {
 		var out = [];
 		var res = str_match_xml_ns_cache[tag];
 		if(!res) str_match_xml_ns_cache[tag] = res = [
-			new RegExp('<(?:\\w+:)?'+tag+'\\b[^<>]*>', "g"),
+			new RegExp('<(?:\\w+:)?'+tag+'[^>]*>', "g"),
 			new RegExp('</(?:\\w+:)?'+tag+'>', "g")
 		];
 		res[0].lastIndex = res[1].lastIndex = 0;
 		var m;
 		while((m = res[0].exec(str))) {
 			var si = m.index;
+			var sf = res[0].lastIndex;
 			res[1].lastIndex = res[0].lastIndex;
 			m = res[1].exec(str);
 			if(!m) return null;
-			var ef = res[1].lastIndex;
-			out.push(str.slice(si, ef));
-			res[0].lastIndex = res[1].lastIndex;
-		}
-		return out.length == 0 ? null : out;
-	};
-})();
-var str_remove_xml_ns_g = /*#__PURE__*/(function() {
-	var str_remove_xml_ns_cache = {};
-	return function str_remove_xml_ns_g(str, tag) {
-		var out = [];
-		var res = str_remove_xml_ns_cache[tag];
-		if(!res) str_remove_xml_ns_cache[tag] = res = [
-			new RegExp('<(?:\\w+:)?'+tag+'\\b[^<>]*>', "g"),
-			new RegExp('</(?:\\w+:)?'+tag+'>', "g")
-		];
-		res[0].lastIndex = res[1].lastIndex = 0;
-		var m;
-		var si = 0, ef = 0;
-		while((m = res[0].exec(str))) {
-			si = m.index;
-			out.push(str.slice(ef, si));
-			ef = si;
-			res[1].lastIndex = res[0].lastIndex;
-			m = res[1].exec(str);
-			if(!m) return null;
-			ef = res[1].lastIndex;
-			res[0].lastIndex = res[1].lastIndex;
-		}
-		out.push(str.slice(ef));
-		return out.length == 0 ? "" : out.join("");
-	};
-})();
-
-/* str.match(/<(?:\w+:)?tag\b[^>]*?>([\s\S]*?)<\/(?:\w+:)?tag>/gi) --> str_match_xml_ns_ig(str, "tag") */
-var str_match_xml_ig = /*#__PURE__*/(function() {
-	var str_match_xml_ns_cache = {};
-	return function str_match_xml_ns(str, tag) {
-		var out = [];
-		var res = str_match_xml_ns_cache[tag];
-		if(!res) str_match_xml_ns_cache[tag] = res = [
-			new RegExp('<'+tag+'\\b[^<>]*>', "ig"),
-			new RegExp('</'+tag+'>', "ig")
-		];
-		res[0].lastIndex = res[1].lastIndex = 0;
-		var m;
-		while((m = res[0].exec(str))) {
-			var si = m.index;
-			res[1].lastIndex = res[0].lastIndex;
-			m = res[1].exec(str);
-			if(!m) return null;
+			var ei = m.index;
 			var ef = res[1].lastIndex;
 			out.push(str.slice(si, ef));
 			res[0].lastIndex = res[1].lastIndex;

bits/22_xmlutils.js

@@ -1,6 +1,6 @@
 var XML_HEADER = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\r\n';
-var attregexg=/\s([^"\s?>\/]+)\s*=\s*((?:")([^"]*)(?:")|(?:')([^']*)(?:')|([^'">\s]+))/g;
-var tagregex1=/<[\/\?]?[a-zA-Z0-9:_-]+(?:\s+[^"\s?<>\/]+\s*=\s*(?:"[^"]*"|'[^']*'|[^'"<>\s=]+))*\s*[\/\?]?>/mg, tagregex2 = /<[^<>]*>/g;
+var attregexg=/([^"\s?>\/]+)\s*=\s*((?:")([^"]*)(?:")|(?:')([^']*)(?:')|([^'">\s]+))/g;
+var tagregex1=/<[\/\?]?[a-zA-Z0-9:_-]+(?:\s+[^"\s?>\/]+\s*=\s*(?:"[^"]*"|'[^']*'|[^'">\s=]+))*\s*[\/\?]?>/mg, tagregex2 = /<[^>]*>/g;
 var tagregex = /*#__PURE__*/XML_HEADER.match(tagregex1) ? tagregex1 : tagregex2;
 var nsregex=/<\w*:/, nsregex2 = /<(\/?)\w+:/;
 function parsexmltag(tag/*:string*/, skip_root/*:?boolean*/, skip_LC/*:?boolean*/)/*:any*/ {
@@ -11,7 +11,7 @@ function parsexmltag(tag/*:string*/, skip_root/*:?boolean*/, skip_LC/*:?boolean*
 	if(eq === tag.length) return z;
 	var m = tag.match(attregexg), j=0, v="", i=0, q="", cc="", quot = 1;
 	if(m) for(i = 0; i != m.length; ++i) {
-		cc = m[i].slice(1);
+		cc = m[i];
 		for(c=0; c != cc.length; ++c) if(cc.charCodeAt(c) === 61) break;
 		q = cc.slice(0,c).trim();
 		while(cc.charCodeAt(c+1) == 32) ++c;
@@ -171,21 +171,21 @@ var htmldecode/*:{(s:string):string}*/ = /*#__PURE__*/(function() {
 				// Remove new lines and spaces from start of content
 				.replace(/^[\t\n\r ]+/, "")
 				// Remove new lines and spaces from end of content
-				.replace(/(^|[^\t\n\r ])[\t\n\r ]+$/,"$1")
+				.replace(/[\t\n\r ]+$/,"")
 				// Added line which removes any white space characters after and before html tags
-				.replace(/>\s+/g,">").replace(/\b\s+</g,"<")
+				.replace(/>\s+/g,">").replace(/\s+</g,"<")
 				// Replace remaining new lines and spaces with space
 				.replace(/[\t\n\r ]+/g, " ")
 				// Replace <br> tags with new lines
 				.replace(/<\s*[bB][rR]\s*\/?>/g,"\n")
 				// Strip HTML elements
-				.replace(/<[^<>]*>/g,"");
+				.replace(/<[^>]*>/g,"");
 		for(var i = 0; i < entities.length; ++i) o = o.replace(entities[i][0], entities[i][1]);
 		return o;
 	};
 })();
 
-var vtvregex = /<\/?(?:vt:)?variant>/g, vtmregex = /<(?:vt:)([^<"'>]*)>([\s\S]*)</;
+var vtvregex = /<\/?(?:vt:)?variant>/g, vtmregex = /<(?:vt:)([^>]*)>([\s\S]*)</;
 function parseVector(data/*:string*/, opts)/*:Array<{v:string,t:string}>*/ {
 	var h = parsexmltag(data);
 
@@ -230,8 +230,9 @@ function xlml_normalize(d)/*:string*/ {
 	if(typeof Uint8Array !== 'undefined' && d instanceof Uint8Array) return utf8read(a2s(ab2a(d)));
 	throw new Error("Bad input format: expected Buffer or string");
 }
-/* UOS uses CJK in tags, ODS uses invalid XML */
-var xlmlregex = /<([\/]?)([^\s?><!\/:"]*:|)([^\s?<>:\/"]+)(?:\s+[^<>=?"'\s]+="[^"]*?")*\s*[\/]?>/mg;
+/* UOS uses CJK in tags */
+var xlmlregex = /<(\/?)([^\s?><!\/:]*:|)([^\s?<>:\/]+)(?:[\s?:\/](?:[^>=]|="[^"]*?")*)?>/mg;
+//var xlmlregex = /<(\/?)([a-z0-9]*:|)(\w+)[^>]*>/mg;
 
 var XMLNS = ({
 	CORE_PROPS: 'http://schemas.openxmlformats.org/package/2006/metadata/core-properties',

bits/27_csfutils.js

@@ -128,19 +128,18 @@ function sheet_add_aoa(_ws/*:?Worksheet*/, data/*:AOA*/, opts/*:?any*/)/*:Worksh
 			var _origin/*:CellAddress*/ = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
 			_R = _origin.r; _C = _origin.c;
 		}
+		if(!ws["!ref"]) ws["!ref"] = "A1:A1";
 	}
 	var range/*:Range*/ = ({s: {c:10000000, r:10000000}, e: {c:0, r:0}}/*:any*/);
-	if(ws["!ref"]){
+	if(ws['!ref']) {
 		var _range = safe_decode_range(ws['!ref']);
 		range.s.c = _range.s.c;
 		range.s.r = _range.s.r;
 		range.e.c = Math.max(range.e.c, _range.e.c);
 		range.e.r = Math.max(range.e.r, _range.e.r);
-		if(_R == -1) range.e.r = _R = (ws["!ref"] ? _range.e.r + 1 : 0);
-	} else {
-		range.s.c = range.e.c = range.s.r = range.e.r = 0;
+		if(_R == -1) range.e.r = _R = _range.e.r + 1;
 	}
-	var row = [], seen = false;
+	var row = [];
 	for(var R = 0; R != data.length; ++R) {
 		if(!data[R]) continue;
 		if(!Array.isArray(data[R])) throw new Error("aoa_to_sheet expects an array of arrays");
@@ -157,7 +156,6 @@ function sheet_add_aoa(_ws/*:?Worksheet*/, data/*:AOA*/, opts/*:?any*/)/*:Worksh
 			if(range.s.c > __C) range.s.c = __C;
 			if(range.e.r < __R) range.e.r = __R;
 			if(range.e.c < __C) range.e.c = __C;
-			seen = true;
 			if(data[R][C] && typeof data[R][C] === 'object' && !Array.isArray(data[R][C]) && !(data[R][C] instanceof Date)) cell = data[R][C];
 			else {
 				if(Array.isArray(cell.v)) { cell.f = data[R][C][1]; cell.v = cell.v[0]; }
@@ -167,11 +165,7 @@ function sheet_add_aoa(_ws/*:?Worksheet*/, data/*:AOA*/, opts/*:?any*/)/*:Worksh
 					else if(!o.sheetStubs) continue;
 					else cell.t = 'z';
 				}
-				else if(typeof cell.v === 'number') {
-					if(isFinite(cell.v)) cell.t = 'n';
-					else if(isNaN(cell.v)) { cell.t = 'e'; cell.v = 0x0F; /* #VALUE! */ }
-					else { cell.t = 'e'; cell.v = 0x07; /*# DIV/0 */ }
-				}
+				else if(typeof cell.v === 'number') cell.t = 'n';
 				else if(typeof cell.v === 'boolean') cell.t = 'b';
 				else if(cell.v instanceof Date) {
 					cell.z = o.dateNF || table_fmt[14];
@@ -191,7 +185,8 @@ function sheet_add_aoa(_ws/*:?Worksheet*/, data/*:AOA*/, opts/*:?any*/)/*:Worksh
 			}
 		}
 	}
-	if(seen && range.s.c < 10400000) ws['!ref'] = encode_range(range);
+	if(range.s.c < 10000000) ws['!ref'] = encode_range(range);
 	return ws;
 }
 function aoa_to_sheet(data/*:AOA*/, opts/*:?any*/)/*:Worksheet*/ { return sheet_add_aoa(null, data, opts); }
+

bits/35_custprops.js

@@ -1,5 +1,5 @@
 /* 15.2.12.2 Custom File Properties Part */
-var custregex = /<[^<>]+>[^<]*/g;
+var custregex = /<[^>]+>[^<]*/g;
 function parse_cust_props(data/*:string*/, opts) {
 	var p = {}, name = "";
 	var m = data.match(custregex);

bits/38_xlstypes.js

@@ -123,8 +123,8 @@ function parse_TypedPropertyValue(blob, type/*:number*/, _opts)/*:any*/ {
 		case 0x03 /*VT_I4*/: ret = blob.read_shift(4, 'i'); return ret;
 		case 0x0B /*VT_BOOL*/: return blob.read_shift(4) !== 0x0;
 		case 0x13 /*VT_UI4*/: ret = blob.read_shift(4); return ret;
-		case 0x1E /*VT_LPSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]).replace(/(^|[^\u0000])\u0000+$/,"$1"); break;
-		case 0x1F /*VT_LPWSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]).replace(/(^|[^\u0000])\u0000+$/,"$1"); break;
+		case 0x1E /*VT_LPSTR*/: return parse_lpstr(blob, t, 4).replace(chr0,'');
+		case 0x1F /*VT_LPWSTR*/: return parse_lpwstr(blob);
 		case 0x40 /*VT_FILETIME*/: return parse_FILETIME(blob);
 		case 0x41 /*VT_BLOB*/: return parse_BLOB(blob);
 		case 0x47 /*VT_CF*/: return parse_ClipboardData(blob);
@@ -233,8 +233,8 @@ function parse_PropertySet(blob, PIDSI) {
 				/* [MS-OSHARED] 2.3.3.2.3.1.2 + PROPVARIANT */
 				switch(blob[blob.l]) {
 					case 0x41 /*VT_BLOB*/: blob.l += 4; val = parse_BLOB(blob); break;
-					case 0x1E /*VT_LPSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]).replace(/(^|[^\u0000])\u0000+$/,"$1"); break;
-					case 0x1F /*VT_LPWSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]).replace(/(^|[^\u0000])\u0000+$/,"$1"); break;
+					case 0x1E /*VT_LPSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]).replace(/\u0000+$/,""); break;
+					case 0x1F /*VT_LPWSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]).replace(/\u0000+$/,""); break;
 					case 0x03 /*VT_I4*/: blob.l += 4; val = blob.read_shift(4, 'i'); break;
 					case 0x13 /*VT_UI4*/: blob.l += 4; val = blob.read_shift(4); break;
 					case 0x05 /*VT_R8*/: blob.l += 4; val = blob.read_shift(8, 'f'); break;

bits/40_harb.js

@@ -118,7 +118,7 @@ function dbf_to_aoa(buf, opts)/*:AOA*/ {
 	var ww = l7 ? 32 : 11;
 	while(d.l < hend && d[d.l] != 0x0d) {
 		field = ({}/*:any*/);
-		field.name = (typeof $cptable !== "undefined" ? $cptable.utils.decode(current_cp, d.slice(d.l, d.l+ww)) : a2s(d.slice(d.l, d.l + ww))).replace(/[\u0000\r\n][\S\s]*$/g,"");
+		field.name = (typeof $cptable !== "undefined" ? $cptable.utils.decode(current_cp, d.slice(d.l, d.l+ww)) : a2s(d.slice(d.l, d.l + ww))).replace(/[\u0000\r\n].*$/g,"");
 		d.l += ww;
 		field.type = String.fromCharCode(d.read_shift(1));
 		if(ft != 0x02 && !l7) field.offset = d.read_shift(4);
@@ -176,7 +176,7 @@ function dbf_to_aoa(buf, opts)/*:AOA*/ {
 			switch(fields[C].type) {
 				case 'C':
 					// NOTE: it is conventional to write '  /  /  ' for empty dates
-					if(s.trim().length) out[R][C] = s.replace(/([^\s])\s+$/,"$1");
+					if(s.trim().length) out[R][C] = s.replace(/\s+$/,"");
 					break;
 				case 'D':
 					if(s.length === 8) {
@@ -1121,7 +1121,7 @@ function read_wb_ID(d, opts) {
 		return out;
 	} catch(e) {
 		o.WTF = OLD_WTF;
-		if((e.message.indexOf("SYLK bad record ID") == -1) && OLD_WTF) throw e;
+		if(!e.message.match(/SYLK bad record ID/) && OLD_WTF) throw e;
 		return PRN.to_workbook(d, opts);
 	}
 }

bits/42_sstxml.js

@@ -4,7 +4,7 @@ function parse_rpr(rpr) {
 	var pass = false;
 	if(m) for(;i!=m.length; ++i) {
 		var y = parsexmltag(m[i]);
-		switch(y[0].replace(/<\w*:/g,"<")) {
+		switch(y[0].replace(/\w*:/g,"")) {
 			/* 18.8.12 condense CT_BooleanProperty */
 			/* ** not required . */
 			case '<condense': break;
@@ -167,7 +167,8 @@ var rs_to_html = /*#__PURE__*/(function parse_rs_factory() {
 })();
 
 /* 18.4.8 si CT_Rst */
-var sitregex = /<(?:\w+:)?t\b[^<>]*>([^<]*)<\/(?:\w+:)?t>/g, sirregex = /<(?:\w+:)?r\b[^<>]*>/;
+var sitregex = /<(?:\w+:)?t[^>]*>([^<]*)<\/(?:\w+:)?t>/g, sirregex = /<(?:\w+:)?r\b[^>]*>/;
+var sirphregex = /<(?:\w+:)?rPh.*?>([\s\S]*?)<\/(?:\w+:)?rPh>/g;
 function parse_si(x, opts) {
 	var html = opts ? opts.cellHTML : true;
 	var z = {};
@@ -183,7 +184,7 @@ function parse_si(x, opts) {
 	/* 18.4.4 r CT_RElt (Rich Text Run) */
 	else if((/*y = */x.match(sirregex))) {
 		z.r = utf8read(x);
-		z.t = unescapexml(utf8read((str_remove_xml_ns_g(x, "rPh").match(sitregex)||[]).join("").replace(tagregex,"")), true);
+		z.t = unescapexml(utf8read((x.replace(sirphregex, '').match(sitregex)||[]).join("").replace(tagregex,"")), true);
 		if(html) z.h = rs_to_html(parse_rs(z.r));
 	}
 	/* 18.4.3 phoneticPr CT_PhoneticPr (TODO: needed for Asian support) */
@@ -192,20 +193,21 @@ function parse_si(x, opts) {
 }
 
 /* 18.4 Shared String Table */
+var sstr0 = /<(?:\w+:)?sst([^>]*)>([\s\S]*)<\/(?:\w+:)?sst>/;
 var sstr1 = /<(?:\w+:)?(?:si|sstItem)>/g;
 var sstr2 = /<\/(?:\w+:)?(?:si|sstItem)>/;
 function parse_sst_xml(data/*:string*/, opts)/*:SST*/ {
 	var s/*:SST*/ = ([]/*:any*/), ss = "";
 	if(!data) return s;
 	/* 18.4.9 sst CT_Sst */
-	var sst = str_match_xml_ns(data, "sst");
+	var sst = data.match(sstr0);
 	if(sst) {
-		ss = sst[1].replace(sstr1,"").split(sstr2);
+		ss = sst[2].replace(sstr1,"").split(sstr2);
 		for(var i = 0; i != ss.length; ++i) {
 			var o = parse_si(ss[i].trim(), opts);
 			if(o != null) s[s.length] = o;
 		}
-		sst = parsexmltag(sst[0].slice(0, sst[0].indexOf(">"))); s.Count = sst.count; s.Unique = sst.uniqueCount;
+		sst = parsexmltag(sst[1]); s.Count = sst.count; s.Unique = sst.uniqueCount;
 	}
 	return s;
 }

bits/47_styxml.js

@@ -3,7 +3,7 @@ function parse_borders(t, styles, themes, opts) {
 	styles.Borders = [];
 	var border = {};
 	var pass = false;
-	(t.match(tagregex)||[]).forEach(function(x) {
+	(t[0].match(tagregex)||[]).forEach(function(x) {
 		var y = parsexmltag(x);
 		switch(strip_ns(y[0])) {
 			case '<borders': case '<borders>': case '</borders>': break;
@@ -78,7 +78,7 @@ function parse_fills(t, styles, themes, opts) {
 	styles.Fills = [];
 	var fill = {};
 	var pass = false;
-	(t.match(tagregex)||[]).forEach(function(x) {
+	(t[0].match(tagregex)||[]).forEach(function(x) {
 		var y = parsexmltag(x);
 		switch(strip_ns(y[0])) {
 			case '<fills': case '<fills>': case '</fills>': break;
@@ -144,7 +144,7 @@ function parse_fonts(t, styles, themes, opts) {
 	styles.Fonts = [];
 	var font = {};
 	var pass = false;
-	(t.match(tagregex)||[]).forEach(function(x) {
+	(t[0].match(tagregex)||[]).forEach(function(x) {
 		var y = parsexmltag(x);
 		switch(strip_ns(y[0])) {
 			case '<fonts': case '<fonts>': case '</fonts>': break;
@@ -264,7 +264,7 @@ function parse_numFmts(t, styles, opts) {
 	styles.NumberFmt = [];
 	var k/*Array<number>*/ = (keys(table_fmt)/*:any*/);
 	for(var i=0; i < k.length; ++i) styles.NumberFmt[k[i]] = table_fmt[k[i]];
-	var m = t.match(tagregex);
+	var m = t[0].match(tagregex);
 	if(!m) return;
 	for(i=0; i < m.length; ++i) {
 		var y = parsexmltag(m[i]);
@@ -305,7 +305,7 @@ function parse_cellXfs(t, styles, opts) {
 	styles.CellXf = [];
 	var xf;
 	var pass = false;
-	(t.match(tagregex)||[]).forEach(function(x) {
+	(t[0].match(tagregex)||[]).forEach(function(x) {
 		var y = parsexmltag(x), i = 0;
 		switch(strip_ns(y[0])) {
 			case '<cellXfs': case '<cellXfs>': case '<cellXfs/>': case '</cellXfs>': break;
@@ -370,31 +370,36 @@ function write_cellXfs(cellXfs)/*:string*/ {
 
 /* 18.8 Styles CT_Stylesheet*/
 var parse_sty_xml= /*#__PURE__*/(function make_pstyx() {
+var numFmtRegex = /<(?:\w+:)?numFmts([^>]*)>[\S\s]*?<\/(?:\w+:)?numFmts>/;
+var cellXfRegex = /<(?:\w+:)?cellXfs([^>]*)>[\S\s]*?<\/(?:\w+:)?cellXfs>/;
+var fillsRegex = /<(?:\w+:)?fills([^>]*)>[\S\s]*?<\/(?:\w+:)?fills>/;
+var fontsRegex = /<(?:\w+:)?fonts([^>]*)>[\S\s]*?<\/(?:\w+:)?fonts>/;
+var bordersRegex = /<(?:\w+:)?borders([^>]*)>[\S\s]*?<\/(?:\w+:)?borders>/;
 
 return function parse_sty_xml(data, themes, opts) {
 	var styles = {};
 	if(!data) return styles;
-	data = remove_doctype(str_remove_ng(data, "<!--", "-->"));
+	data = str_remove_ng(data, "<!--", "-->").replace(/<!DOCTYPE[^\[]*\[[^\]]*\]>/gm,"");
 	/* 18.8.39 styleSheet CT_Stylesheet */
 	var t;
 
 	/* 18.8.31 numFmts CT_NumFmts ? */
-	if((t=str_match_xml_ns(data, "numFmts"))) parse_numFmts(t[0], styles, opts);
+	if((t=data.match(numFmtRegex))) parse_numFmts(t, styles, opts);
 
 	/* 18.8.23 fonts CT_Fonts ? */
-	if((t=str_match_xml_ns(data, "fonts"))) parse_fonts(t[0], styles, themes, opts);
+	if((t=data.match(fontsRegex))) parse_fonts(t, styles, themes, opts);
 
 	/* 18.8.21 fills CT_Fills ? */
-	if((t=str_match_xml_ns(data, "fills"))) parse_fills(t[0], styles, themes, opts);
+	if((t=data.match(fillsRegex))) parse_fills(t, styles, themes, opts);
 
 	/* 18.8.5  borders CT_Borders ? */
-	if((t=str_match_xml_ns(data, "borders"))) parse_borders(t[0], styles, themes, opts);
+	if((t=data.match(bordersRegex))) parse_borders(t, styles, themes, opts);
 
 	/* 18.8.9  cellStyleXfs CT_CellStyleXfs ? */
 	/* 18.8.8  cellStyles CT_CellStyles ? */
 
 	/* 18.8.10 cellXfs CT_CellXfs ? */
-	if((t=str_match_xml_ns(data, "cellXfs"))) parse_cellXfs(t[0], styles, opts);
+	if((t=data.match(cellXfRegex))) parse_cellXfs(t, styles, opts);
 
 	/* 18.8.15 dxfs CT_Dxfs ? */
 	/* 18.8.42 tableStyles CT_TableStyles ? */

bits/49_theme.js

@@ -70,25 +70,31 @@ function parse_fontScheme(/*::t, themes, opts*/) { }
 /* 20.1.4.1.15 fmtScheme CT_StyleMatrix */
 function parse_fmtScheme(/*::t, themes, opts*/) { }
 
+var clrsregex = /<a:clrScheme([^>]*)>[\s\S]*<\/a:clrScheme>/;
+var fntsregex = /<a:fontScheme([^>]*)>[\s\S]*<\/a:fontScheme>/;
+var fmtsregex = /<a:fmtScheme([^>]*)>[\s\S]*<\/a:fmtScheme>/;
+
 /* 20.1.6.10 themeElements CT_BaseStyles */
 function parse_themeElements(data, themes, opts) {
 	themes.themeElements = {};
 
 	var t;
 
-	/* clrScheme CT_ColorScheme */
-	if(!(t=str_match_xml(data, "a:clrScheme"))) throw new Error('clrScheme not found in themeElements');
-	parse_clrScheme(t, themes, opts);
-
-	/* fontScheme CT_FontScheme */
-	if(!(t=str_match_xml(data, "a:fontScheme"))) throw new Error('fontScheme not found in themeElements');
-	parse_fontScheme(t, themes, opts);
-
-	/* fmtScheme CT_StyleMatrix */
-	if(!(t=str_match_xml(data, "a:fmtScheme"))) throw new Error('fmtScheme not found in themeElements');
-	parse_fmtScheme(t, themes, opts);
+	[
+		/* clrScheme CT_ColorScheme */
+		['clrScheme', clrsregex, parse_clrScheme],
+		/* fontScheme CT_FontScheme */
+		['fontScheme', fntsregex, parse_fontScheme],
+		/* fmtScheme CT_StyleMatrix */
+		['fmtScheme', fmtsregex, parse_fmtScheme]
+	].forEach(function(m) {
+		if(!(t=data.match(m[1]))) throw new Error(m[0] + ' not found in themeElements');
+		m[2](t, themes, opts);
+	});
 }
 
+var themeltregex = /<a:themeElements([^>]*)>[\s\S]*<\/a:themeElements>/;
+
 /* 14.2.7 Theme Part */
 function parse_theme_xml(data/*:string*/, opts) {
 	/* 20.1.6.9 theme CT_OfficeStyleSheet */
@@ -98,7 +104,7 @@ function parse_theme_xml(data/*:string*/, opts) {
 	var themes = {};
 
 	/* themeElements CT_BaseStyles */
-	if(!(t=str_match_xml(data, "a:themeElements"))) throw new Error('themeElements not found in theme');
+	if(!(t=data.match(themeltregex))) throw new Error('themeElements not found in theme');
 	parse_themeElements(t[0], themes, opts);
 	themes.raw = data;
 	return themes;

bits/55_vml.js

@@ -1,7 +1,8 @@
 /* L.5.5.2 SpreadsheetML Comments + VML Schema */
+var shapevmlregex = /<(?:\w+:)?shape(?:[^\w][^>]*)?>([\s\S]*?)<\/(?:\w+:)?shape>/g;
 function parse_vml(data/*:string*/, sheet, comments) {
 	var cidx = 0;
-	(str_match_xml_ns_g(data, "shape")||[]).forEach(function(m) {
+	(data.match(shapevmlregex)||[]).forEach(function(m) {
 		var type = "";
 		var hidden = true;
 		var aidx = -1;

bits/57_cmntxml.js

@@ -4,22 +4,22 @@ function parse_comments_xml(data/*:string*/, opts)/*:Array<RawComment>*/ {
 	if(data.match(/<(?:\w+:)?comments *\/>/)) return [];
 	var authors/*:Array<string>*/ = [];
 	var commentList/*:Array<RawComment>*/ = [];
-	var authtag = str_match_xml_ns(data, "authors");
+	var authtag = data.match(/<(?:\w+:)?authors>([\s\S]*)<\/(?:\w+:)?authors>/);
 	if(authtag && authtag[1]) authtag[1].split(/<\/\w*:?author>/).forEach(function(x) {
 		if(x === "" || x.trim() === "") return;
-		var a = x.match(/<(?:\w+:)?author[^<>]*>(.*)/);
+		var a = x.match(/<(?:\w+:)?author[^>]*>(.*)/);
 		if(a) authors.push(a[1]);
 	});
-	var cmnttag = str_match_xml_ns(data, "commentList");
+	var cmnttag = data.match(/<(?:\w+:)?commentList>([\s\S]*)<\/(?:\w+:)?commentList>/);
 	if(cmnttag && cmnttag[1]) cmnttag[1].split(/<\/\w*:?comment>/).forEach(function(x) {
 		if(x === "" || x.trim() === "") return;
-		var cm = x.match(/<(?:\w+:)?comment[^<>]*>/);
+		var cm = x.match(/<(?:\w+:)?comment[^>]*>/);
 		if(!cm) return;
 		var y = parsexmltag(cm[0]);
 		var comment/*:RawComment*/ = ({ author: y.authorId && authors[y.authorId] || "sheetjsghost", ref: y.ref, guid: y.guid }/*:any*/);
 		var cell = decode_cell(y.ref);
 		if(opts.sheetRows && opts.sheetRows <= cell.r) return;
-		var textMatch = str_match_xml_ns(x, "text");
+		var textMatch = x.match(/<(?:\w+:)?text>([\s\S]*)<\/(?:\w+:)?text>/);
 		var rt = !!textMatch && !!textMatch[1] && parse_si(textMatch[1]) || {r:"",t:"",h:""};
 		comment.r = rt.r;
 		if(rt.r == "<t></t>") rt.t = rt.h = "";

bits/59_vba.js

@@ -13,7 +13,7 @@ function fill_vba_xls(cfb, vba) {
   vba.FullPaths.forEach(function(p, i) {
     if (i == 0)
       return;
-    var newpath = p.replace(/^[\/]*[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
+    var newpath = p.replace(/[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
     if (newpath.slice(-1) !== "/")
       CFB.utils.cfb_add(cfb, newpath, vba.FileIndex[i].content);
   });

bits/67_wsxml.js

@@ -2,13 +2,16 @@ function parse_ws_xml_dim(ws/*:Worksheet*/, s/*:string*/) {
 	var d = safe_decode_range(s);
 	if(d.s.r<=d.e.r && d.s.c<=d.e.c && d.s.r>=0 && d.s.c>=0) ws["!ref"] = encode_range(d);
 }
-var mergecregex = /<(?:\w+:)?mergeCell ref=["'][A-Z0-9:]+['"]\s*[\/]?>/g;
-var hlinkregex = /<(?:\w+:)?hyperlink [^<>]*>/mg;
+var mergecregex = /<(?:\w:)?mergeCell ref=["'][A-Z0-9:]+['"]\s*[\/]?>/g;
+var sheetdataregex = /<(?:\w+:)?sheetData[^>]*>([\s\S]*)<\/(?:\w+:)?sheetData>/;
+var hlinkregex = /<(?:\w:)?hyperlink [^>]*>/mg;
 var dimregex = /"(\w*:\w*)"/;
-var colregex = /<(?:\w+:)?col\b[^<>]*[\/]?>/g;
-var afregex = /<(?:\w+:)?autoFilter[^>]*/g;
-var marginregex= /<(?:\w+:)?pageMargins[^<>]*\/>/g;
-var sheetprregex = /<(?:\w+:)?sheetPr\b[^<>]*?\/>/;
+var colregex = /<(?:\w:)?col\b[^>]*[\/]?>/g;
+var afregex = /<(?:\w:)?autoFilter[^>]*([\/]|>([\s\S]*)<\/(?:\w:)?autoFilter)>/g;
+var marginregex= /<(?:\w:)?pageMargins[^>]*\/>/g;
+var sheetprregex = /<(?:\w:)?sheetPr\b(?:[^>a-z][^>]*)?\/>/;
+var sheetprregex2= /<(?:\w:)?sheetPr[^>]*(?:[\/]|>([\s\S]*)<\/(?:\w:)?sheetPr)>/;
+var svsregex = /<(?:\w:)?sheetViews[^>]*(?:[\/]|>([\s\S]*)<\/(?:\w:)?sheetViews)>/;
 
 /* 18.3 Worksheets */
 function parse_ws_xml(data/*:?string*/, opts, idx/*:number*/, rels, wb/*:WBWBProps*/, themes, styles)/*:Worksheet*/ {
@@ -21,7 +24,7 @@ function parse_ws_xml(data/*:?string*/, opts, idx/*:number*/, rels, wb/*:WBWBPro
 	var refguess/*:Range*/ = ({s: {r:2000000, c:2000000}, e: {r:0, c:0} }/*:any*/);
 
 	var data1 = "", data2 = "";
-	var mtch/*:?any*/ = str_match_xml_ns(data, "sheetData");
+	var mtch/*:?any*/ = data.match(sheetdataregex);
 	if(mtch) {
 		data1 = data.slice(0, mtch.index);
 		data2 = data.slice(mtch.index + mtch[0].length);
@@ -30,7 +33,7 @@ function parse_ws_xml(data/*:?string*/, opts, idx/*:number*/, rels, wb/*:WBWBPro
 	/* 18.3.1.82 sheetPr CT_SheetPr */
 	var sheetPr = data1.match(sheetprregex);
 	if(sheetPr) parse_ws_xml_sheetpr(sheetPr[0], s, wb, idx);
-	else if((sheetPr = str_match_xml_ns(data1, "sheetPr"))) parse_ws_xml_sheetpr2(sheetPr[0], sheetPr[1]||"", s, wb, idx, styles, themes);
+	else if((sheetPr = data1.match(sheetprregex2))) parse_ws_xml_sheetpr2(sheetPr[0], sheetPr[1]||"", s, wb, idx, styles, themes);
 
 	/* 18.3.1.35 dimension CT_SheetDimension */
 	var ridx = (data1.match(/<(?:\w*:)?dimension/)||{index:-1}).index;
@@ -40,7 +43,7 @@ function parse_ws_xml(data/*:?string*/, opts, idx/*:number*/, rels, wb/*:WBWBPro
 	}
 
 	/* 18.3.1.88 sheetViews CT_SheetViews */
-	var svs = str_match_xml_ns(data1, "sheetViews");
+	var svs = data1.match(svsregex);
 	if(svs && svs[1]) parse_ws_xml_sheetviews(svs[1], wb);
 
 	/* 18.3.1.17 cols CT_Cols */
@@ -239,7 +242,7 @@ function write_ws_xml_autofilter(data, ws, wb, idx)/*:string*/ {
 
 /* 18.3.1.88 sheetViews CT_SheetViews */
 /* 18.3.1.87 sheetView CT_SheetView */
-var sviewregex = /<(?:\w:)?sheetView(?:[^<>a-z][^<>]*)?\/?>/g;
+var sviewregex = /<(?:\w:)?sheetView(?:[^>a-z][^>]*)?\/?>/g;
 function parse_ws_xml_sheetviews(data, wb/*:WBWBProps*/) {
 	if(!wb.Views) wb.Views = [{}];
 	(data.match(sviewregex)||[]).forEach(function(r/*:string*/, i/*:number*/) {
@@ -318,7 +321,7 @@ function write_ws_xml_cell(cell/*:Cell*/, ref, ws, opts, idx, wb, date1904)/*:st
 
 var parse_ws_xml_data = /*#__PURE__*/(function() {
 	var cellregex = /<(?:\w+:)?c[ \/>]/, rowregex = /<\/(?:\w+:)?row>/;
-	var rregex = /r=["']([^"']*)["']/;
+	var rregex = /r=["']([^"']*)["']/, isregex = /<(?:\w+:)?is>([\S\s]*?)<\/(?:\w+:)?is>/;
 	var refregex = /ref=["']([^"']*)["']/;
 
 return function parse_ws_xml_data(sdata/*:string*/, s, opts, guess/*:Range*/, themes, styles, wb) {
@@ -422,7 +425,7 @@ return function parse_ws_xml_data(sdata/*:string*/, s, opts, guess/*:Range*/, th
 							sharedf[parseInt(ftag.si, 10)] = [ftag, ___f, tag.r];
 						}
 					}
-				} else if((cref=d.match(/<f[^<>]*\/>/))) {
+				} else if((cref=d.match(/<f[^>]*\/>/))) {
 					ftag = parsexmltag(cref[0]);
 					if(sharedf[ftag.si]) p.f = shift_formula_xlsx(sharedf[ftag.si][1], sharedf[ftag.si][2]/*[0].ref*/, tag.r);
 				}
@@ -468,7 +471,7 @@ return function parse_ws_xml_data(sdata/*:string*/, s, opts, guess/*:Range*/, th
 					if(opts.cellHTML) p.h = escapehtml(p.v);
 					break;
 				case 'inlineStr':
-					cref = str_match_xml_ns(d, "is");
+					cref = d.match(isregex);
 					p.t = 's';
 					if(cref != null && (sstr = parse_si(cref[1]))) {
 						p.v = sstr.t;
@@ -633,7 +636,7 @@ function write_ws_xml(idx/*:number*/, opts, wb/*:Workbook*/, rels)/*:string*/ {
 			if(!l[1].Target) return;
 			rel = ({"ref":l[0]}/*:any*/);
 			if(l[1].Target.charAt(0) != "#") {
-				rId = add_rels(rels, -1, escapexml(l[1].Target).replace(/#[\s\S]*$/, ""), RELS.HLINK);
+				rId = add_rels(rels, -1, escapexml(l[1].Target).replace(/#.*$/, ""), RELS.HLINK);
 				rel["r:id"] = "rId"+rId;
 			}
 			if((relc = l[1].Target.indexOf("#")) > -1) rel.location = escapexml(l[1].Target.slice(relc+1));

bits/68_wsbin.js

@@ -924,7 +924,7 @@ function write_HLINKS(ba, ws/*:Worksheet*/, rels) {
 	/* *BrtHLink */
 	ws['!links'].forEach(function(l) {
 		if(!l[1].Target) return;
-		var rId = add_rels(rels, -1, l[1].Target.replace(/#[\s\S]*$/, ""), RELS.HLINK);
+		var rId = add_rels(rels, -1, l[1].Target.replace(/#.*$/, ""), RELS.HLINK);
 		write_record(ba, 0x01EE /* BrtHLink */, write_BrtHLink(l, rId));
 	});
 	delete ws['!links'];

bits/69_chartxml.js

@@ -4,16 +4,16 @@ function parse_Cache(data/*:string*/)/*:[Array<number|string>, string, ?string]*
 	var f;
 
 	/* 21.2.2.150 pt CT_NumVal */
-	(data.match(/<c:pt idx="(\d*)"[^<>\/]*><c:v>([^<])<\/c:v><\/c:pt>/mg)||[]).forEach(function(pt) {
-		var q = pt.match(/<c:pt idx="(\d*)"[^<>\/]*><c:v>([^<]*)<\/c:v><\/c:pt>/);
+	(data.match(/<c:pt idx="(\d*)">(.*?)<\/c:pt>/mg)||[]).forEach(function(pt) {
+		var q = pt.match(/<c:pt idx="(\d*?)"><c:v>(.*)<\/c:v><\/c:pt>/);
 		if(!q) return;
 		col[+q[1]] = num ? +q[2] : q[2];
 	});
 
 	/* 21.2.2.71 formatCode CT_Xstring */
-	var nf = unescapexml((str_match_xml(data, "c:formatCode") || ["","General"])[1]);
+	var nf = unescapexml((data.match(/<c:formatCode>([\s\S]*?)<\/c:formatCode>/) || ["","General"])[1]);
 
-	(str_match_ng(data, "<c:f>", "</c:f>")||[]).forEach(function(F) { f = F.replace(/<[^<>]*>/g,""); });
+	(data.match(/<c:f>(.*?)<\/c:f>/mg)||[]).forEach(function(F) { f = F.replace(/<.*?>/g,""); });
 
 	return [col, nf, f];
 }
@@ -28,7 +28,7 @@ function parse_chart(data/*:?string*/, name/*:string*/, opts, rels, wb, csheet)
 	var refguess = {s: {r:2000000, c:2000000}, e: {r:0, c:0} };
 
 	/* 21.2.2.120 numCache CT_NumData */
-	(str_match_ng(data, "<c:numCache>", "</c:numCache>")||[]).forEach(function(nc) {
+	(data.match(/<c:numCache>[\s\S]*?<\/c:numCache>/gm)||[]).forEach(function(nc) {
 		var cache = parse_Cache(nc);
 		refguess.s.r = refguess.s.c = 0;
 		refguess.e.c = C;

bits/75_xlml.js

@@ -1,5 +1,5 @@
-var attregexg2=/\b((?:\w+:)?[\w]+)=((?:")([^"]*)(?:")|(?:')([^']*)(?:'))/g;
-var attregex2=/\b((?:\w+:)?[\w]+)=((?:")(?:[^"]*)(?:")|(?:')(?:[^']*)(?:'))/;
+var attregexg2=/([\w:]+)=((?:")([^"]*)(?:")|(?:')([^']*)(?:'))/g;
+var attregex2=/([\w:]+)=((?:")(?:[^"]*)(?:")|(?:')(?:[^']*)(?:'))/;
 function xlml_parsexmltag(tag/*:string*/, skip_root/*:?boolean*/) {
 	var words = tag.split(/\s+/);
 	var z/*:any*/ = ([]/*:any*/); if(!skip_root) z[0] = words[0];
@@ -112,7 +112,7 @@ function parse_xlml_data(xml, ss, data, cell/*:any*/, base, styles, csty, row, a
 			break;
 		case 'String':
 			cell.t = 's'; cell.r = xlml_fixstr(unescapexml(xml));
-			cell.v = (xml.indexOf("<") > -1 ? unescapexml(ss||xml).replace(/<[^<>]*>/g, "") : cell.r); // todo: BR etc
+			cell.v = (xml.indexOf("<") > -1 ? unescapexml(ss||xml).replace(/<.*?>/g, "") : cell.r); // todo: BR etc
 			break;
 		case 'DateTime':
 			if(xml.slice(-1) != "Z") xml += "Z";
@@ -1186,12 +1186,9 @@ function write_ws_xlml_table(ws/*:Worksheet*/, opts, idx/*:number*/, wb/*:Workbo
 		o.push(writextag("Column",null,k));
 	});
 	var dense = ws["!data"] != null;
-	var addr = {r:0,c:0};
 	for(var R = range.s.r; R <= range.e.r; ++R) {
 		var row = [write_ws_xlml_row(R, (ws['!rows']||[])[R])];
-		addr.r = R;
 		for(var C = range.s.c; C <= range.e.c; ++C) {
-			addr.c = C;
 			var skip = false;
 			for(mi = 0; mi != marr.length; ++mi) {
 				if(marr[mi].s.c > C) continue;
@@ -1202,6 +1199,7 @@ function write_ws_xlml_table(ws/*:Worksheet*/, opts, idx/*:number*/, wb/*:Workbo
 				break;
 			}
 			if(skip) continue;
+			var addr = {r:R,c:C};
 			var ref = encode_col(C) + encode_row(R), cell = dense ? (ws["!data"][R]||[])[C] : ws[ref];
 			row.push(write_ws_xlml_cell(cell, ref, ws, opts, idx, wb, addr));
 		}
@@ -1225,7 +1223,7 @@ function write_ws_xlml(idx/*:number*/, opts, wb/*:Workbook*/)/*:string*/ {
 	/* WorksheetOptions */
 	o.push(write_ws_xlml_wsopts(ws, opts, idx, wb));
 
-	if(ws && ws["!autofilter"]) o.push('<AutoFilter x:Range="' + a1_to_rc(fix_range(ws["!autofilter"].ref), {r:0,c:0}) + '" xmlns="urn:schemas-microsoft-com:office:excel"></AutoFilter>');
+	if(ws["!autofilter"]) o.push('<AutoFilter x:Range="' + a1_to_rc(fix_range(ws["!autofilter"].ref), {r:0,c:0}) + '" xmlns="urn:schemas-microsoft-com:office:excel"></AutoFilter>');
 
 	return o.join("");
 }
@@ -1244,10 +1242,11 @@ function write_xlml(wb, opts)/*:string*/ {
 	d.push(write_props_xlml(wb, opts));
 	d.push(write_wb_xlml(wb, opts));
 	d.push("");
-	d.push(write_names_xlml(wb, opts));
+	d.push("");
 	for(var i = 0; i < wb.SheetNames.length; ++i)
 		d.push(writextag("Worksheet", write_ws_xlml(i, opts, wb), {"ss:Name":escapexml(wb.SheetNames[i])}));
 	d[2] = write_sty_xlml(wb, opts);
+	d[3] = write_names_xlml(wb, opts);
 	return XML_HEADER + writextag("Workbook", d.join(""), {
 		'xmlns':      XLMLNS.ss,
 		'xmlns:o':    XLMLNS.o,

bits/78_writebiff.js

@@ -105,7 +105,7 @@ function write_ws_biff2(ba/*:BufArray*/, ws/*:Worksheet*/, idx/*:number*/, opts,
 	if(range.e.c > 0xFF || range.e.r > 0x3FFF) {
 		if(opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV16384");
 		range.e.c = Math.min(range.e.c, 0xFF);
-		range.e.r = Math.min(range.e.r, 0x3FFF);
+		range.e.r = Math.min(range.e.c, 0x3FFF);
 	}
 	var date1904 = (((wb||{}).Workbook||{}).WBProps||{}).date1904;
 	var row = [], comments = [];
@@ -515,9 +515,9 @@ function write_ws_biff8(idx/*:number*/, opts, wb/*:Workbook*/) {
 	var range = safe_decode_range(ws['!ref'] || "A1");
 	var MAX_ROWS = b8 ? 65536 : 16384;
 	if(range.e.c > 0xFF || range.e.r >= MAX_ROWS) {
-		if(opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV" + MAX_ROWS);
+		if(opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV16384");
 		range.e.c = Math.min(range.e.c, 0xFF);
-		range.e.r = Math.min(range.e.r, MAX_ROWS-1);
+		range.e.r = Math.min(range.e.c, MAX_ROWS-1);
 	}
 
 	write_biff_rec(ba, 0x0809, write_BOF(wb, 0x10, opts));
@@ -552,11 +552,12 @@ function write_ws_biff8(idx/*:number*/, opts, wb/*:Workbook*/) {
 		if(dense) row = ws["!data"][R] || [];
 		rr = encode_row(R);
 		for(C = range.s.c; C <= range.e.c; ++C) {
-			var cell = dense ? row[C] : ws[cols[C] + rr];
+			ref = cols[C] + rr;
+			var cell = dense ? row[C] : ws[ref];
 			if(!cell) continue;
 			/* write cell */
 			write_ws_biff8_cell(ba, cell, R, C, opts, date1904);
-			if(b8 && cell.l) ws['!links'].push([cols[C] + rr, cell.l]);
+			if(b8 && cell.l) ws['!links'].push([ref, cell.l]);
 			if(cell.c) comments.push([cell.c, R, C]);
 		}
 	}
@@ -700,9 +701,6 @@ function write_biff_buf(wb/*:Workbook*/, opts/*:WriteOpts*/) {
 		if(range.e.c > 255) { // note: 255 is IV
 			if(typeof console != "undefined" && console.error) console.error("Worksheet '" + wb.SheetNames[i] + "' extends beyond column IV (255).  Data may be lost.");
 		}
-		if(range.e.r > 65535) {
-			if(typeof console != "undefined" && console.error) console.error("Worksheet '" + wb.SheetNames[i] + "' extends beyond row 65536.  Data may be lost.");
-		}
 	}
 
 	var o = opts || {};

bits/79_html.js

@@ -8,7 +8,7 @@ function html_to_sheet(str/*:string*/, _opts)/*:Workbook*/ {
 	if(!mtch) throw new Error("Invalid HTML: could not find <table>");
 	var mtch2/*:any*/ = str.match(/<\/table/i);
 	var i/*:number*/ = mtch.index, j/*:number*/ = mtch2 && mtch2.index || str.length;
-	var rows = split_regex(str.slice(i, j), /(:?<tr[^<>]*>)/i, "<tr>");
+	var rows = split_regex(str.slice(i, j), /(:?<tr[^>]*>)/i, "<tr>");
 	var R = -1, C = 0, RS = 0, CS = 0;
 	var range/*:Range*/ = {s:{r:10000000, c:10000000},e:{r:0,c:0}};
 	var merges/*:Array<Range>*/ = [];
@@ -84,7 +84,7 @@ function make_html_row(ws/*:Worksheet*/, r/*:Range*/, R/*:number*/, o/*:Sheet2HT
 		else if(cell) {
 			sp["data-t"] = cell && cell.t || 'z';
 			// note: data-v is unaffected by the timezone interpretation
-			if(cell.v != null) sp["data-v"] = escapehtml(cell.v instanceof Date ? cell.v.toISOString() : cell.v);
+			if(cell.v != null) sp["data-v"] = cell.v instanceof Date ? cell.v.toISOString() : cell.v;
 			if(cell.z != null) sp["data-z"] = cell.z;
 			if(cell.l && (cell.l.Target || "#").charAt(0) != "#") w = '<a href="' + escapehtml(cell.l.Target) +'">' + w + '</a>';
 		}
@@ -99,7 +99,7 @@ var HTML_BEGIN = '<html><head><meta charset="utf-8"/><title>SheetJS Table Export
 var HTML_END = '</body></html>';
 
 function html_to_workbook(str/*:string*/, opts)/*:Workbook*/ {
-	var mtch = str_match_xml_ig(str, "table");
+	var mtch = str.match(/<table[\s\S]*?>[\s\S]*?<\/table>/gi);
 	if(!mtch || mtch.length == 0) throw new Error("Invalid HTML: could not find <table>");
 	if(mtch.length == 1) {
 		var w = sheet_to_workbook(html_to_sheet(mtch[0], opts), opts);

bits/80_parseods.js

@@ -5,9 +5,9 @@ function parse_text_p(text/*:string*//*::, tag*/)/*:Array<any>*/ {
 		.replace(/[\t\r\n]/g, " ").trim().replace(/ +/g, " ")
 		.replace(/<text:s\/>/g," ")
 		.replace(/<text:s text:c="(\d+)"\/>/g, function($$,$1) { return Array(parseInt($1,10)+1).join(" "); })
-		.replace(/<text:tab[^<>]*\/>/g,"\t")
+		.replace(/<text:tab[^>]*\/>/g,"\t")
 		.replace(/<text:line-break\/>/g,"\n");
-	var v = unescapexml(fixed.replace(/<[^<>]*>/g,""));
+	var v = unescapexml(fixed.replace(/<[^>]*>/g,""));
 
 	return [v];
 }
@@ -17,10 +17,10 @@ function parse_ods_styles(d/*:string*/, _opts, _nfm) {
 	var number_format_map = _nfm || {};
 	var str = xlml_normalize(d);
 	xlmlregex.lastIndex = 0;
-	str = remove_doctype(str_remove_ng(str, "<!--", "-->"));
+	str = str_remove_ng(str, "<!--", "-->").replace(/<!DOCTYPE[^\[]*\[[^\]]*\]>/gm,"");
 	var Rn, NFtag, NF = "", tNF = "", y, etpos = 0, tidx = -1, infmt = false, payload = "";
 	while((Rn = xlmlregex.exec(str))) {
-		switch((Rn[3]=Rn[3].replace(/_[\s\S]*$/,""))) {
+		switch((Rn[3]=Rn[3].replace(/_.*$/,""))) {
 		/* Number Format Definitions */
 		case 'number-style': // <number:number-style> 16.29.2
 		case 'currency-style': // <number:currency-style> 16.29.8
@@ -264,8 +264,8 @@ function parse_content_xml(d/*:string*/, _opts, _nfm)/*:Workbook*/ {
 		var isstub = false, intable = false;
 		var i = 0;
 		xlmlregex.lastIndex = 0;
-		str = remove_doctype(str_remove_ng(str, "<!--", "-->"));
-		while((Rn = xlmlregex.exec(str))) switch((Rn[3]=Rn[3].replace(/_[\s\S]*$/,""))) {
+		str = str_remove_ng(str, "<!--", "-->").replace(/<!DOCTYPE[^\[]*\[[^\]]*\]>/gm,"");
+		while((Rn = xlmlregex.exec(str))) switch((Rn[3]=Rn[3].replace(/_.*$/,""))) {
 
 			case 'table': case '工作表': // 9.1.2 <table:table>
 				if(Rn[1]==='/') {

bits/81_writeods.js

@@ -67,7 +67,7 @@ function write_number_format_ods(nf/*:string*/, nfidx/*:string*/)/*:string*/ {
 		if((t=nf.match(/# (\?+)\/(\d+)/))) { payload += writextag("number:fraction", null, {"number:min-integer-digits":0, "number:min-numerator-digits": t[1].length, "number:denominator-value": +t[2]}); break j; }
 
 		/* percentages */
-		if((t=nf.match(/\b(\d+)(|\.\d+)%/))) { type = "percentage"; payload += writextag("number:number", null, {"number:decimal-places": t[2] && t.length - 1 || 0, "number:min-decimal-places": t[2] && t.length - 1 || 0, "number:min-integer-digits": t[1].length }) + "<number:text>%</number:text>"; break j; }
+		if((t=nf.match(/(\d+)(|\.\d+)%/))) { type = "percentage"; payload += writextag("number:number", null, {"number:decimal-places": t[2] && t.length - 1 || 0, "number:min-decimal-places": t[2] && t.length - 1 || 0, "number:min-integer-digits": t[1].length }) + "<number:text>%</number:text>"; break j; }
 
 		/* datetime */
 		var has_time = false;
@@ -196,7 +196,7 @@ function write_names_ods(Names, SheetNames, idx) {
 		return "        " + writextag("table:named-range", null, {
 			"table:name": name.Name,
 			"table:cell-range-address": odsref,
-			"table:base-cell-address": odsref.replace(/[\.][^\.]*$/, ".$A$1")
+			"table:base-cell-address": odsref.replace(/[\.]?[^\.]*$/, ".$A$1")
 		});
 	}).join("\n") + "\n      </table:named-expressions>\n";
 }
@@ -436,7 +436,7 @@ var write_content_ods/*:{(wb:any, opts:any):string}*/ = /* @__PURE__ */(function
 
 		if(opts.bookType == "fods") {
 			o.push('<office:document' + attr + fods + '>\n');
-			o.push(write_meta_ods().replace(/<office:document-meta[^<>]*?>/, "").replace(/<\/office:document-meta>/, "") + "\n");
+			o.push(write_meta_ods().replace(/<office:document-meta.*?>/, "").replace(/<\/office:document-meta>/, "") + "\n");
 			// TODO: settings (equiv of settings.xml for ODS)
 		} else o.push('<office:document-content' + attr  + '>\n');
 		// o.push('  <office:scripts/>\n');

bits/83_numbers.js

@@ -1512,7 +1512,7 @@ function numbers_add_meta(mlist, newid, newloc) {
   mlist[3].push({ type: 2, data: write_shallow([
     [],
     [{ type: 0, data: write_varint49(newid) }],
-    [{ type: 2, data: stru8(newloc.replace(/-[\s\S]*$/, "")) }],
+    [{ type: 2, data: stru8(newloc.replace(/-.*$/, "")) }],
     [{ type: 2, data: stru8(newloc) }],
     [{ type: 2, data: new Uint8Array([2, 0, 0]) }],
     [{ type: 2, data: new Uint8Array([2, 0, 0]) }],

bits/85_parsezip.js

@@ -204,7 +204,7 @@ function parse_zip(zip/*:ZIP*/, opts/*:?ParseOpts*/)/*:Workbook*/ {
 		if(wbrels && wbrels[i]) {
 			path = 'xl/' + (wbrels[i][1]).replace(/[\/]?xl\//, "");
 			if(!safegetzipfile(zip, path)) path = wbrels[i][1];
-			if(!safegetzipfile(zip, path)) path = wbrelsfile.replace(/_rels\/[\S\s]*$/,"") + wbrels[i][1];
+			if(!safegetzipfile(zip, path)) path = wbrelsfile.replace(/_rels\/.*$/,"") + wbrels[i][1];
 			stype = wbrels[i][2];
 		} else {
 			path = 'xl/worksheets/sheet'+(i+1-nmode)+"." + wbext;

bits/90_utils.js

@@ -104,7 +104,7 @@ function sheet_to_json(sheet/*:Worksheet*/, opts/*:?Sheet2JSONOpts*/) {
 }
 
 var qreg = /"/g;
-function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Array<string>*/, fs/*:number*/, rs/*:number*/, FS/*:string*/, w/*:number*/, o/*:Sheet2CSVOpts*/)/*:?string*/ {
+function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Array<string>*/, fs/*:number*/, rs/*:number*/, FS/*:string*/, o/*:Sheet2CSVOpts*/)/*:?string*/ {
 	var isempty = true;
 	var row/*:Array<string>*/ = [], txt = "", rr = encode_row(R);
 	var dense = sheet["!data"] != null;
@@ -117,7 +117,7 @@ function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Arr
 			isempty = false;
 			txt = ''+(o.rawNumbers && val.t == "n" ? val.v : format_cell(val, null, o));
 			for(var i = 0, cc = 0; i !== txt.length; ++i) if((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 34 || o.forceQuotes) {txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
-			if(txt == "ID" && w == 0 && row.length == 0) txt = '"ID"';
+			if(txt == "ID") txt = '"ID"';
 		} else if(val.f != null && !val.F) {
 			isempty = false;
 			txt = '=' + val.f; if(txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
@@ -144,7 +144,7 @@ function sheet_to_csv(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/)/*:string*/ {
 	var w = 0;
 	for(var R = r.s.r; R <= r.e.r; ++R) {
 		if ((rowinfo[R]||{}).hidden) continue;
-		row = make_csv_row(sheet, r, R, cols, fs, rs, FS, w, o);
+		row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o);
 		if(row == null) { continue; }
 		if(row || (o.blankrows !== false)) out.push((w++ ? RS : "") + row);
 	}
@@ -309,9 +309,9 @@ function book_append_sheet(wb/*:Workbook*/, ws/*:Worksheet*/, name/*:?string*/,
 	if(!name) for(; i <= 0xFFFF; ++i, name = undefined) if(wb.SheetNames.indexOf(name = "Sheet" + i) == -1) break;
 	if(!name || wb.SheetNames.length >= 0xFFFF) throw new Error("Too many worksheets");
 	if(roll && wb.SheetNames.indexOf(name) >= 0 && name.length < 32) {
-		var m = name.match(/\d+$/); // at this point, name length is capped at 32
-		i = m && +m[0] || 0;
-		var root = m && name.slice(0, m.index) || name;
+		var m = name.match(/(^.*?)(\d+)$/);
+		i = m && +m[2] || 0;
+		var root = m && m[1] || name;
 		for(++i; i <= 0xFFFF; ++i) if(wb.SheetNames.indexOf(name = root + i) == -1) break;
 	}
 	check_ws_name(name);

bits/97_node.js

@@ -19,7 +19,7 @@ function write_csv_stream(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/) {
 		while(R <= r.e.r) {
 			++R;
 			if ((rowinfo[R-1]||{}).hidden) continue;
-			row = make_csv_row(sheet, r, R-1, cols, fs, rs, FS, w, o);
+			row = make_csv_row(sheet, r, R-1, cols, fs, rs, FS, o);
 			if(row != null) {
 				if(row || (o.blankrows !== false)) return stream.push((w++ ? RS : "") + row);
 			}
@@ -116,165 +116,9 @@ function write_json_stream(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/) {
 	return stream;
 }
 
-function write_xlml_stream(wb/*:Workbook*/, o/*:?Sheet2XLMLOpts*/) {
-	var stream = _Readable();
-	var opts = o == null ? {} : o;
-	if(!wb.SSF) wb.SSF = dup(table_fmt);
-	if(wb.SSF) {
-		make_ssf(); SSF_load_table(wb.SSF);
-		// $FlowIgnore
-		opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
-		opts.ssf = wb.SSF;
-		opts.cellXfs = [];
-		get_cell_style(opts.cellXfs, {}, {revssf:{"General":0}});
-	}
-
-	/* do one pass to determine styles since they must be added before tables */
-	wb.SheetNames.forEach(function(n) {
-		var ws = wb.Sheets[n];
-		if(!ws || !ws["!ref"]) return;
-		var range = decode_range(ws["!ref"]);
-		var dense = ws["!data"] != null;
-		var ddata = dense ? ws["!data"] : [];
-		var addr = {r:0,c:0};
-		for(var R = range.s.r; R <= range.e.r; ++R) {
-			addr.r = R;
-			if(dense && !ddata[R]) continue;
-			for(var C = range.s.c; C <= range.e.c; ++C) {
-				addr.c = C;
-				var cell = dense ? ddata[R][C] : ws[encode_col(C) + encode_row(R)];
-				if(!cell) continue;
-				if(cell.t == "d" && cell.z == null) { cell = dup(cell); cell.z = table_fmt[14]; }
-				void get_cell_style(opts.cellXfs, cell, opts);
-			}
-		}
-	});
-	var sty = write_sty_xlml(wb, opts);
-
-	var stage = 0, wsidx = 0, ws = wb.Sheets[wb.SheetNames[wsidx]], range = safe_decode_range(ws), R = -1, T = false;
-
-	var marr = [], mi = 0, dense = false, darr = [], addr = {r:0,c:0};
-
-	stream._read = function() { switch(stage) {
-		/* header */
-		case 0: {
-			stage = 1;
-			stream.push(XML_HEADER);
-			stream.push("<Workbook" + wxt_helper({
-				'xmlns':      XLMLNS.ss,
-				'xmlns:o':    XLMLNS.o,
-				'xmlns:x':    XLMLNS.x,
-				'xmlns:ss':   XLMLNS.ss,
-				'xmlns:dt':   XLMLNS.dt,
-				'xmlns:html': XLMLNS.html
-			}) + ">");
-		} break;
-
-		/* preamble */
-		case 1: {
-			stage = 2;
-			stream.push(write_props_xlml(wb, opts));
-			stream.push(write_wb_xlml(wb, opts));
-		} break;
-
-		/* style and name tables */
-		case 2: {
-			stage = 3;
-			stream.push(sty);
-			stream.push(write_names_xlml(wb, opts));
-		} break;
-
-		/* worksheet preamble */
-		case 3: {
-			T = false;
-			if(wsidx >= wb.SheetNames.length) { stage = -1; stream.push(""); break; }
-
-			stream.push("<Worksheet" + wxt_helper({ "ss:Name": escapexml(wb.SheetNames[wsidx])}) + ">");
-
-			ws = wb.Sheets[wb.SheetNames[wsidx]];
-			if(!ws) { stream.push("</Worksheet>"); return void ++wsidx; }
-
-			var names = write_ws_xlml_names(ws, opts, wsidx, wb);
-			if(names.length) stream.push("<Names>" + names + "</Names>");
-
-			if(!ws["!ref"]) return (stage = 5);
-			range = safe_decode_range(ws["!ref"]);
-			R = range.s.r;
-			stage = 4;
-		} break;
-
-		/* worksheet intramble */
-		case 4: {
-			if(R < 0 || R > range.e.r) { stream.push(T ? "</Table>" : ""); return void (stage = 5); }
-
-			if(R <= range.s.r) {
-				if(ws['!cols']) ws['!cols'].forEach(function(n, i) {
-					process_col(n);
-					var w = !!n.width;
-					var p = col_obj_w(i, n);
-					var k/*:any*/ = {"ss:Index":i+1};
-					if(w) k['ss:Width'] = width2px(p.width);
-					if(n.hidden) k['ss:Hidden']="1";
-					if(!T) { T = true; stream.push("<Table>"); }
-					stream.push(writextag("Column",null,k));
-				});
-				dense = ws["!data"] != null;
-				if(dense) darr = ws["!data"];
-				addr.r = addr.c = 0;
-			}
-
-			/* process 10 rows per invocation */
-			for(var cnt = 0; R <= range.e.r && cnt < 10; ++R, ++cnt) {
-				var row = [write_ws_xlml_row(R, (ws['!rows']||[])[R])];
-				addr.r = R;
-				if(!(dense && !darr[R])) for(var C = range.s.c; C <= range.e.c; ++C) {
-					addr.c = C;
-					var skip = false;
-					for(mi = 0; mi != marr.length; ++mi) {
-						if(marr[mi].s.c > C) continue;
-						if(marr[mi].s.r > R) continue;
-						if(marr[mi].e.c < C) continue;
-						if(marr[mi].e.r < R) continue;
-						if(marr[mi].s.c != C || marr[mi].s.r != R) skip = true;
-						break;
-					}
-					if(skip) continue;
-					var ref = encode_col(C) + encode_row(R), cell = dense ? darr[R][C] : ws[ref];
-					row.push(write_ws_xlml_cell(cell, ref, ws, opts, wsidx, wb, addr));
-				}
-				row.push("</Row>");
-				if(row.length > 2) {
-					if(!T) { T = true; stream.push("<Table>"); }
-					stream.push(row.join(""));
-				}
-			}
-		} break;
-
-		/* worksheet postamble */
-		case 5: {
-			stream.push(write_ws_xlml_wsopts(ws, opts, wsidx, wb));
-			if(ws && ws["!autofilter"]) stream.push('<AutoFilter x:Range="' + a1_to_rc(fix_range(ws["!autofilter"].ref), {r:0,c:0}) + '" xmlns="urn:schemas-microsoft-com:office:excel"></AutoFilter>');
-			stream.push("</Worksheet>");
-			wsidx++; R = -1;
-			return void (stage = 3);
-		}
-
-		/* footer */
-		case -1: {
-			stage = -2;
-			stream.push("</Workbook>");
-		} break;
-
-		/* exeunt */
-		case -2: stream.push(null); break;
-	}};
-	return stream;
-}
-
 var __stream = {
 	to_json: write_json_stream,
 	to_html: write_html_stream,
 	to_csv: write_csv_stream,
-	to_xlml: write_xlml_stream,
 	set_readable: set_readable
 };

modules/04_base64.ts

@@ -60,9 +60,9 @@ function Base64_decode(input: string): string {
 	var o = "";
 	var c1=0, c2=0, c3=0, e1=0, e2=0, e3=0, e4=0;
 	if(input.slice(0,5) == "data:") {
-		var i = input.slice(0, 1024).indexOf(";base64,");
-		if(i > -1) input = input.slice(i+8);
-	}
+    var i = input.slice(0, 1024).indexOf(";base64,");
+    if(i > -1) input = input.slice(i+8);
+  }
 	input = input.replace(/[^\w\+\/\=]/g, "");
 	for(var i = 0; i < input.length;) {
 		e1 = Base64_map.indexOf(input.charAt(i++));

modules/59_vba.js

@@ -13,7 +13,7 @@ function fill_vba_xls(cfb, vba) {
   vba.FullPaths.forEach(function(p, i) {
     if (i == 0)
       return;
-    var newpath = p.replace(/^[\/]*[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
+    var newpath = p.replace(/[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
     if (newpath.slice(-1) !== "/")
       CFB.utils.cfb_add(cfb, newpath, vba.FileIndex[i].content);
   });

modules/59_vba.ts

@@ -16,7 +16,7 @@ function make_vba_xls(cfb: CFBModule.CFB$Container) {
 function fill_vba_xls(cfb: CFBModule.CFB$Container, vba: CFBModule.CFB$Container): void {
 	vba.FullPaths.forEach(function(p, i) {
 		if(i == 0) return;
-		var newpath = p.replace(/^[\/]*[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
+		var newpath = p.replace(/[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
 		if(newpath.slice(-1) !== "/") CFB.utils.cfb_add(cfb, newpath, vba.FileIndex[i].content);
 	});
 }

modules/83_numbers.js

@@ -1512,7 +1512,7 @@ function numbers_add_meta(mlist, newid, newloc) {
   mlist[3].push({ type: 2, data: write_shallow([
     [],
     [{ type: 0, data: write_varint49(newid) }],
-    [{ type: 2, data: stru8(newloc.replace(/-[\s\S]*$/, "")) }],
+    [{ type: 2, data: stru8(newloc.replace(/-.*$/, "")) }],
     [{ type: 2, data: stru8(newloc) }],
     [{ type: 2, data: new Uint8Array([2, 0, 0]) }],
     [{ type: 2, data: new Uint8Array([2, 0, 0]) }],

modules/83_numbers.ts

@@ -1281,7 +1281,7 @@ function numbers_iwa_find(cfb: CFB$Container, deps: Dependents, id: number) {
 function numbers_add_meta(mlist: ProtoMessage, newid: number, newloc: string) {
 	mlist[3].push({type: 2, data: write_shallow([ [],
 		[{type: 0, data: write_varint49(newid)}],
-		[{type: 2, data: stru8(newloc.replace(/-[\s\S]*$/, "")) }],
+		[{type: 2, data: stru8(newloc.replace(/-.*$/, "")) }],
 		[{type: 2, data: stru8(newloc)}],
 		[{type: 2, data: new Uint8Array([2, 0, 0])}],
 		[{type: 2, data: new Uint8Array([2, 0, 0])}],

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "xlsx",
-	"version": "0.20.2",
+	"version": "0.20.1",
 	"author": "sheetjs",
 	"description": "SheetJS Spreadsheet data parser and writer",
 	"keywords": [

packages/dta/Makefile

@@ -17,7 +17,7 @@ types: dta.ts
 node: dist/dta.js
 
 dist/dta.js: dta.ts
-	npx esbuild@0.14.14 $< --bundle --outfile=$@ --platform=node
+	npx esbuild@0.14.14 dta.ts --bundle --outdir=dist --platform=node
 
 .PHONY: test-node
 test-node: dist/dta.js test.js
@@ -28,8 +28,5 @@ test-node: dist/dta.js test.js
 browser: dist/dta.min.js
 
 dist/dta.min.js: dta.ts
-	npx esbuild@0.14.14 $< --bundle --outfile=$@ --minify --sourcemap --global-name=DTA
-
-dist/dta.mjs: dta.ts
-	npx esbuild@0.14.14 $< --bundle --outfile=$@ --minify --sourcemap --format=esm
+	npx esbuild@0.14.14 dta.ts --bundle --outfile=dist/dta.min.js --minify --sourcemap --global-name=DTA
 

packages/dta/README.md

@@ -13,13 +13,13 @@ The codec will truncate data to 1048576 observations and 16384 variables.
 Using NodeJS package manager:
 
 ```bash
-npm install --save https://cdn.sheetjs.com/dta-0.0.2/dta-0.0.2.tgz
+npm install --save https://cdn.sheetjs.com/dta-0.0.1/dta-0.0.1.tgz
 ```
 
 The standalone script is also hosted on the SheetJS CDN:
 
 ```html
-<script src="https://cdn.sheetjs.com/dta-0.0.2/package/dist/dta.min.js"></script>
+<script src="https://cdn.sheetjs.com/dta-0.0.1/package/dist/dta.min.js"></script>
 ```
 
 ## Usage
@@ -60,10 +60,4 @@ DTA.set_utils(XLSX.utils);
   out.innerHTML = html;
 })();
 </script>
-```
-
-`dist/dta.mjs` is a ECMAScript Module build designed to be used with bundlers:
-
-```js
-import * as DTA from 'dta';
-```
+```

packages/dta/dist/dta.js

@@ -28,7 +28,7 @@ __export(dta_exports, {
   set_utils: () => set_utils,
   version: () => version
 });
-var version = "0.0.2";
+var version = "0.0.1";
 var _utils;
 function set_utils(utils) {
   _utils = utils;
@@ -524,7 +524,6 @@ function parse_tagged(raw) {
     throw err;
   const wb = _utils.book_new();
   _utils.book_append_sheet(wb, ws, "Sheet1");
-  wb.bookType = "dta";
   return wb;
 }
 function parse_legacy(raw) {
@@ -669,7 +668,6 @@ function parse_legacy(raw) {
     }
   const wb = _utils.book_new();
   _utils.book_append_sheet(wb, ws, "Sheet1");
-  wb.bookType = "dta";
   return wb;
 }
 function parse(data) {

packages/dta/dta.ts

@@ -1,7 +1,7 @@
 import { CellObject, DenseWorkSheet, WorkBook, type utils } from 'xlsx';
 export { parse, set_utils, version };
 
-const version = "0.0.2";
+const version = "0.0.1";
 
 let _utils: typeof utils;
 /** Set internal instance of `utils`
@@ -92,6 +92,7 @@ function read_f32(p: Payload, LE: boolean): number | null {
   p.ptr += 4;
   const d = p.dv.getFloat32(p.ptr - 4, LE);
   return d > 1.701e+38 ? null : d;
+
 }
 function read_u32(p: Payload, LE: boolean) {
   p.ptr += 4;
@@ -149,7 +150,7 @@ function parse_tagged(raw: Uint8Array): WorkBook {
     ptr: 0,
     raw,
     dv: u8_to_dataview(raw)
-  };
+  }
 
   let vers: number = 118;
   let LE: boolean = true;
@@ -468,7 +469,6 @@ function parse_tagged(raw: Uint8Array): WorkBook {
   if(!valid_inc(d, "</stata_dta>")) throw err;
   const wb = _utils.book_new();
   _utils.book_append_sheet(wb, ws, "Sheet1");
-  wb.bookType = "dta" as any;
   return wb;
 }
 
@@ -480,7 +480,7 @@ function parse_legacy(raw: Uint8Array): WorkBook {
     ptr: 1,
     raw,
     dv: u8_to_dataview(raw)
-  };
+  }
 
   let LE: boolean = true;
   let nvar: number = 0, nobs: number = 0;
@@ -612,7 +612,6 @@ function parse_legacy(raw: Uint8Array): WorkBook {
 
   const wb: WorkBook = _utils.book_new();
   _utils.book_append_sheet(wb, ws, "Sheet1");
-  wb.bookType = "dta" as any;
   return wb;
 }
 

packages/dta/package.json

@@ -1,13 +1,12 @@
 {
 	"name": "dta",
-	"version": "0.0.2",
+	"version": "0.0.1",
 	"author": "sheetjs",
 	"description": "Stata .dta codecs for SheetJS Common Spreadsheet Format",
 	"bin": {
 		"dta2csv": "./bin/dta2csv.njs"
 	},
 	"main": "dist/dta.js",
-	"module": "dist/dta.mjs",
 	"types": "types",
 	"files": [
 		"bin/",
@@ -34,6 +33,6 @@
 		"node": ">=12.0"
 	},
 	"devDependencies": {
-		"xlsx": "https://cdn.sheetjs.com/xlsx-0.20.1/xlsx-0.20.1.tgz"
+		"xlsx": "https://cdn.sheetjs.com/xlsx-0.20.0/xlsx-0.20.0.tgz"
 	}
 }

packages/dta/types/index.d.ts

@@ -1,6 +1,6 @@
 import { WorkBook } from 'xlsx';
 export { parse, set_utils, version };
-declare const version = "0.0.2";
+declare const version = "0.0.1";
 /** Set internal instance of `utils`
  *
  * Usage:

packages/ssf/bits/02_utilities.js

@@ -5,6 +5,6 @@ function pad_(v/*:any*/,d/*:number*/)/*:string*/{var t=""+v;return t.length>=d?t
 function rpad_(v/*:any*/,d/*:number*/)/*:string*/{var t=""+v; return t.length>=d?t:t+fill(' ',d-t.length);}
 function pad0r1(v/*:any*/,d/*:number*/)/*:string*/{var t=""+Math.round(v); return t.length>=d?t:fill('0',d-t.length)+t;}
 function pad0r2(v/*:any*/,d/*:number*/)/*:string*/{var t=""+v; return t.length>=d?t:fill('0',d-t.length)+t;}
-var p2_32 = /*#__PURE__*/Math.pow(2,32);
+var p2_32 = Math.pow(2,32);
 function pad0r(v/*:any*/,d/*:number*/)/*:string*/{if(v>p2_32||v<-p2_32) return pad0r1(v,d); var i = Math.round(v); return pad0r2(i,d); }
 function isgeneral(s/*:string*/, i/*:?number*/)/*:boolean*/ { i = i || 0; return s.length >= 7 + i && (s.charCodeAt(i)|32) === 103 && (s.charCodeAt(i+1)|32) === 101 && (s.charCodeAt(i+2)|32) === 110 && (s.charCodeAt(i+3)|32) === 101 && (s.charCodeAt(i+4)|32) === 114 && (s.charCodeAt(i+5)|32) === 97 && (s.charCodeAt(i+6)|32) === 108; }

packages/ssf/bits/25_table.js

@@ -1,5 +1,4 @@
 function init_table(t/*:any*/) {
-	if(!t) t = {};
 	t[0]=  'General';
 	t[1]=  '0';
 	t[2]=  '0.00';
@@ -29,7 +28,6 @@ function init_table(t/*:any*/) {
 	t[48]= '##0.0E+0';
 	t[49]= '@';
 	t[56]= '"上午/下午 "hh"時"mm"分"ss"秒 "';
-	return t;
 }
 
 var table_fmt = {};

packages/ssf/bits/40_general.js

@@ -29,7 +29,6 @@ var general_fmt_num = (function make_general_fmt_num() {
 	}
 
 	function general_fmt_num_base(v/*:number*/)/*:string*/ {
-		if(!isFinite(v)) return isNaN(v) ? "#VALUE!" : "#DIV/0!";
 		var V = Math.floor(Math.log(Math.abs(v))*Math.LOG10E), o;
 
 		if(V >= -4 && V <= -1) o = v.toPrecision(10+V);

packages/ssf/bits/60_number.js

@@ -39,7 +39,7 @@ function write_num_f2(r/*:Array<string>*/, aval/*:number*/, sign/*:string*/)/*:s
 	return sign + (aval === 0 ? "" : ""+aval) + fill(" ", r[1].length + 2 + r[4].length);
 }
 var dec1 = /^#*0*\.([0#]+)/;
-var closeparen = /\)[^)]*[0#]/;
+var closeparen = /\).*[0#]/;
 var phone = /\(###\) ###\\?-####/;
 function hashq(str/*:string*/)/*:string*/ {
 	var o = "", cc;

packages/ssf/bits/90_main.js

@@ -4,8 +4,6 @@ function choose_fmt(f/*:string*/, v/*:any*/) {
 	if(l<4 && lat>-1) --l;
 	if(fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
 	if(typeof v !== "number") return [4, fmt.length === 4 || lat>-1?fmt[fmt.length-1]:"@"];
-	/* NOTE: most spreadsheet software do not support NaN or infinities */
-	if(typeof v === "number" && !isFinite(v)) v = 0;
 	switch(fmt.length) {
 		case 1: fmt = lat>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
 		case 2: fmt = lat>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
@@ -42,7 +40,5 @@ function format(fmt/*:string|number*/,v/*:any*/,o/*:?any*/) {
 	if(isgeneral(f[1])) return general_fmt(v, o);
 	if(v === true) v = "TRUE"; else if(v === false) v = "FALSE";
 	else if(v === "" || v == null) return "";
-	else if(isNaN(v) && f[1].indexOf("0") > -1) return "#VALUE!";
-	else if(!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
 	return eval_fmt(f[1], v, o, f[0]);
 }

packages/ssf/package.json

@@ -20,7 +20,7 @@
 		"dtslint": "^0.1.2",
 		"mocha": "~2.5.3",
 		"typescript": "2.2.0",
-		"xlsx": "https://cdn.sheetjs.com/xlsx-0.20.2/xlsx-0.20.2.tgz"
+		"xlsx": "https://cdn.sheetjs.com/xlsx-0.20.0/xlsx-0.20.0.tgz"
 	},
 	"repository": {
 		"type": "git",

packages/ssf/ssf.flow.js

@@ -12,7 +12,7 @@ function pad_(v/*:any*/,d/*:number*/)/*:string*/{var t=""+v;return t.length>=d?t
 function rpad_(v/*:any*/,d/*:number*/)/*:string*/{var t=""+v; return t.length>=d?t:t+fill(' ',d-t.length);}
 function pad0r1(v/*:any*/,d/*:number*/)/*:string*/{var t=""+Math.round(v); return t.length>=d?t:fill('0',d-t.length)+t;}
 function pad0r2(v/*:any*/,d/*:number*/)/*:string*/{var t=""+v; return t.length>=d?t:fill('0',d-t.length)+t;}
-var p2_32 = /*#__PURE__*/Math.pow(2,32);
+var p2_32 = Math.pow(2,32);
 function pad0r(v/*:any*/,d/*:number*/)/*:string*/{if(v>p2_32||v<-p2_32) return pad0r1(v,d); var i = Math.round(v); return pad0r2(i,d); }
 function isgeneral(s/*:string*/, i/*:?number*/)/*:boolean*/ { i = i || 0; return s.length >= 7 + i && (s.charCodeAt(i)|32) === 103 && (s.charCodeAt(i+1)|32) === 101 && (s.charCodeAt(i+2)|32) === 110 && (s.charCodeAt(i+3)|32) === 101 && (s.charCodeAt(i+4)|32) === 114 && (s.charCodeAt(i+5)|32) === 97 && (s.charCodeAt(i+6)|32) === 108; }
 /*::
@@ -42,7 +42,6 @@ var months/*:Array<Array<string> >*/ = [
 	['D', 'Dec', 'December']
 ];
 function init_table(t/*:any*/) {
-	if(!t) t = {};
 	t[0]=  'General';
 	t[1]=  '0';
 	t[2]=  '0.00';
@@ -72,7 +71,6 @@ function init_table(t/*:any*/) {
 	t[48]= '##0.0E+0';
 	t[49]= '@';
 	t[56]= '"上午/下午 "hh"時"mm"分"ss"秒 "';
-	return t;
 }
 
 var table_fmt = {};
@@ -254,7 +252,6 @@ var general_fmt_num = (function make_general_fmt_num() {
 	}
 
 	function general_fmt_num_base(v/*:number*/)/*:string*/ {
-		if(!isFinite(v)) return isNaN(v) ? "#VALUE!" : "#DIV/0!";
 		var V = Math.floor(Math.log(Math.abs(v))*Math.LOG10E), o;
 
 		if(V >= -4 && V <= -1) o = v.toPrecision(10+V);
@@ -420,7 +417,7 @@ function write_num_f2(r/*:Array<string>*/, aval/*:number*/, sign/*:string*/)/*:s
 	return sign + (aval === 0 ? "" : ""+aval) + fill(" ", r[1].length + 2 + r[4].length);
 }
 var dec1 = /^#*0*\.([0#]+)/;
-var closeparen = /\)[^)]*[0#]/;
+var closeparen = /\).*[0#]/;
 var phone = /\(###\) ###\\?-####/;
 function hashq(str/*:string*/)/*:string*/ {
 	var o = "", cc;
@@ -954,8 +951,6 @@ function choose_fmt(f/*:string*/, v/*:any*/) {
 	if(l<4 && lat>-1) --l;
 	if(fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
 	if(typeof v !== "number") return [4, fmt.length === 4 || lat>-1?fmt[fmt.length-1]:"@"];
-	/* NOTE: most spreadsheet software do not support NaN or infinities */
-	if(typeof v === "number" && !isFinite(v)) v = 0;
 	switch(fmt.length) {
 		case 1: fmt = lat>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
 		case 2: fmt = lat>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
@@ -992,8 +987,6 @@ function format(fmt/*:string|number*/,v/*:any*/,o/*:?any*/) {
 	if(isgeneral(f[1])) return general_fmt(v, o);
 	if(v === true) v = "TRUE"; else if(v === false) v = "FALSE";
 	else if(v === "" || v == null) return "";
-	else if(isNaN(v) && f[1].indexOf("0") > -1) return "#VALUE!";
-	else if(!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
 	return eval_fmt(f[1], v, o, f[0]);
 }
 function load_entry(fmt/*:string*/, idx/*:?number*/)/*:number*/ {

packages/ssf/ssf.js

@@ -38,7 +38,6 @@ var months = [
 	['D', 'Dec', 'December']
 ];
 function init_table(t) {
-	if(!t) t = {};
 	t[0]=  'General';
 	t[1]=  '0';
 	t[2]=  '0.00';
@@ -68,7 +67,6 @@ function init_table(t) {
 	t[48]= '##0.0E+0';
 	t[49]= '@';
 	t[56]= '"上午/下午 "hh"時"mm"分"ss"秒 "';
-	return t;
 }
 
 var table_fmt = {};
@@ -250,7 +248,6 @@ var general_fmt_num = (function make_general_fmt_num() {
 	}
 
 	function general_fmt_num_base(v) {
-		if(!isFinite(v)) return isNaN(v) ? "#VALUE!" : "#DIV/0!";
 		var V = Math.floor(Math.log(Math.abs(v))*Math.LOG10E), o;
 
 		if(V >= -4 && V <= -1) o = v.toPrecision(10+V);
@@ -415,7 +412,7 @@ function write_num_f2(r, aval, sign) {
 	return sign + (aval === 0 ? "" : ""+aval) + fill(" ", r[1].length + 2 + r[4].length);
 }
 var dec1 = /^#*0*\.([0#]+)/;
-var closeparen = /\)[^)]*[0#]/;
+var closeparen = /\).*[0#]/;
 var phone = /\(###\) ###\\?-####/;
 function hashq(str) {
 	var o = "", cc;
@@ -946,8 +943,6 @@ function choose_fmt(f, v) {
 	if(l<4 && lat>-1) --l;
 	if(fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
 	if(typeof v !== "number") return [4, fmt.length === 4 || lat>-1?fmt[fmt.length-1]:"@"];
-	/* NOTE: most spreadsheet software do not support NaN or infinities */
-	if(typeof v === "number" && !isFinite(v)) v = 0;
 	switch(fmt.length) {
 		case 1: fmt = lat>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
 		case 2: fmt = lat>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
@@ -984,8 +979,6 @@ function format(fmt,v,o) {
 	if(isgeneral(f[1])) return general_fmt(v, o);
 	if(v === true) v = "TRUE"; else if(v === false) v = "FALSE";
 	else if(v === "" || v == null) return "";
-	else if(isNaN(v) && f[1].indexOf("0") > -1) return "#VALUE!";
-	else if(!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
 	return eval_fmt(f[1], v, o, f[0]);
 }
 function load_entry(fmt, idx) {

packages/ssf/test/oddities.js

@@ -19,14 +19,4 @@ describe('oddities', function() {
     var chk = function(fmt){ return function(){ SSF.format(fmt,0); }; };
     bad.forEach(function(fmt){assert.throws(chk(fmt));});
   });
-  it('should handle NaN values and infinities', function() {
-    assert.equal(SSF.format('#,##0.0; (#,##0.0); "-"', NaN), " -");
-    assert.equal(SSF.format('#,##0.0; (#,##0.0); "-"', Infinity), " -");
-    assert.equal(SSF.format('#,##0.0; (#,##0.0); "-"', -Infinity), " -");
-		["0.00", "General"].forEach(function(fmt) {
-      assert.equal(SSF.format(fmt, NaN), "#VALUE!");
-      assert.equal(SSF.format(fmt, Infinity), "#DIV/0!");
-      assert.equal(SSF.format(fmt, -Infinity), "#DIV/0!");
-		});
-  });
 });

types/index.d.ts

@@ -24,12 +24,12 @@ export function readFile(filename: string, opts?: ParsingOptions): WorkBook;
 /** Attempts to parse data */
 export function read(data: any, opts?: ParsingOptions): WorkBook;
 /** Attempts to write or download workbook data to file */
-export function writeFile(data: WorkBook, filename: string, opts?: WritingOptions): void;
+export function writeFile(data: WorkBook, filename: string, opts?: WritingOptions): any;
 /** Attempts to write or download workbook data to XLSX file */
-export function writeFileXLSX(data: WorkBook, filename: string, opts?: WritingOptions): void;
+export function writeFileXLSX(data: WorkBook, filename: string, opts?: WritingOptions): any;
 /** Attempts to write or download workbook data to file asynchronously */
 type CBFunc = () => void;
-export function writeFileAsync(filename: string, data: WorkBook, opts: WritingOptions | CBFunc, cb?: CBFunc): void;
+export function writeFileAsync(filename: string, data: WorkBook, opts: WritingOptions | CBFunc, cb?: CBFunc): any;
 /** Attempts to write the workbook data */
 export function write(data: WorkBook, opts: WritingOptions): any;
 /** Attempts to write the workbook data as XLSX */
@@ -277,7 +277,7 @@ export interface WritingOptions extends CommonOptions {
      */
     compression?: boolean;
 
-    /** Override theme XML when exporting to XLSX/XLSM/XLSB */
+    /** Overwride theme XML when exporting to XLSX/XLSM/XLSB */
     themeXLSX?: string;
 
     /**