html-minifier - npm Package Compare versions

Comparing version 1.2.0 to 1.3.0

src/.eslintrc.json

cli.js

		@@ -7,3 +7,3 @@ #!/usr/bin/env node
		*
		* Copyright (c) 2014-2015 Zoltan Frombach
		* Copyright (c) 2014-2016 Zoltan Frombach
		*
		@@ -29,4 +29,2 @@ * Permission is hereby granted, free of charge, to any person obtaining a copy of

		/* globals JSON:true */

		'use strict';
		@@ -52,4 +50,4 @@
		var usage = appName + ' [OPTIONS] [FILE(s)]\n\n';
		usage += ' If no input file(s) specified then STDIN will be used for input.\n';
		usage += ' If more than one input file specified those will be concatenated and minified together.\n\n';
		usage += ' If no input files are specified then STDIN will be used for input.\n';
		usage += ' If more than one input file is specified then those will be concatenated and minified together.\n\n';
		usage += ' When you specify a config file with the --config-file option (see sample-cli-config-file.conf for format)\n';
		@@ -206,16 +204,16 @@ usage += ' you can still override some of its contents by providing individual command line options, too.\n\n';
		catch (e) {
		if (e.code === 'EEXIST') {
		return;
		if (e.code !== 'EEXIST') {
		cli.fatal('Can not create directory ' + path);
		return 3;
		}
		cli.fatal('Can not create directory ' + path);
		cli.exit(3);
		}
		return 0;
		}

		function processDirectory(inputDir, outputDir) {
		createDirectory(outputDir);
		var fileList = fs.readdirSync(inputDir);
		var status = 0;
		var status = createDirectory(outputDir);

		fileList.forEach(function(fileName) {
		for (var i = 0; status === 0 && i < fileList.length; i++) {
		var fileName = fileList[i];
		var inputFilePath = inputDir + '/' + fileName;
		@@ -226,11 +224,11 @@ var outputFilePath = outputDir + '/' + fileName;
		if (stat.isDirectory()) {
		processDirectory(inputFilePath, outputFilePath);
		return;
		status = processDirectory(inputFilePath, outputFilePath);
		}
		else {
		var originalContent = fs.readFileSync(inputFilePath, 'utf8');
		status = runMinify(originalContent, outputFilePath);
		}
		}

		var originalContent = fs.readFileSync(inputFilePath, 'utf8');
		status = runMinify(originalContent, outputFilePath);
		});

		cli.exit(status);
		return status;
		}
		@@ -307,3 +305,3 @@
		if (!inputDir) {
		cli.error('The option output-dir need to be use with the option include-dir. If you are working with only 1 file, use -o.');
		cli.error('The option output-dir needs to be used with the option input-dir. If you are working with a single file, use -o.');
		cli.exit(2);
		@@ -316,3 +314,3 @@ }
		catch (e) {
		cli.error('The input directory does not exits');
		cli.error('The input directory does not exist');
		cli.exit(2);
		@@ -328,12 +326,9 @@ }
		try {
		processDirectory(inputDir, outputDir);
		cli.exit(processDirectory(inputDir, outputDir));
		}
		catch (e) {
		cli.error('Something wrong happened');
		cli.error('Error while processing input files');
		cli.error(e);
		cli.exit(3);
		}

		cli.exit(0);
		return;
		}
		@@ -340,0 +335,0 @@

862

dist/htmlminifier.js

		/*!
		* HTMLMinifier v1.2.0 (http://kangax.github.io/html-minifier/)
		* HTMLMinifier v1.3.0 (http://kangax.github.io/html-minifier/)
		* Copyright 2010-2016 Juriy "kangax" Zaytsev
		@@ -40,14 +40,33 @@ * Licensed under the MIT license
		// Regular Expressions for parsing tags and attributes
		var singleAttrIdentifier = /([\w:\.-]+)/,
		var singleAttrIdentifier = /([^\s"'<>\/=]+)/,
		singleAttrAssign = /=/,
		singleAttrAssigns = [ singleAttrAssign ],
		singleAttrValues = [
		/"((?:\\.\|[^"])*)"/.source, // attr value double quotes
		/'((?:\\.\|[^'])*)'/.source, // attr value, single quotes
		/([^>\s]+)/.source // attr value, no quotes
		// attr value double quotes
		/"([^"]*)"+/.source,
		// attr value, single quotes
		/'([^']*)'+/.source,
		// attr value, no quotes
		/([^\s"'=<>`]+)/.source
		],
		startTagOpen = /^<([\w:-]+)/,
		startTagClose = /\s*(\/?)>/,
		endTag = /^<\/([\w:-]+)[^>]*>/,
		endingSlash = /\/>$/,
		// https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
		qnameCapture = (function() {
		var ncname;
		if (typeof require === 'function') {
		ncname = require('ncname');
		}
		else {
		ncname = global.NCName;
		}
		if (ncname) {
		ncname = ncname.source.slice(1, -1);
		}
		else {
		ncname = '[:A-Za-z_][:\\w\\-\\.]*';
		}
		return '((?:' + ncname + '\\:)?' + ncname + ')';
		})(),
		startTagOpen = new RegExp('^<' + qnameCapture),
		startTagClose = /^\s*(\/?)>/,
		endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>'),
		doctype = /^<!DOCTYPE [^>]+>/i;
		@@ -76,71 +95,25 @@

		var reCache = {}, stackedTag, reStackedTag, tagMatch;
		// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
		var phrasingOnly = makeMap('abbr,b,bdi,bdo,button,cite,code,data,dfn,em,h1,h2,h3,h4,h5,h6,i,kbd,label,legend,mark,meter,output,p,pre,progress,q,rp,rt,s,samp,small,span,strong,sub,sup,time,u,var');
		var phrasing = makeMap('a,abbr,area,audio,b,bdi,bdo,br,button,canvas,cite,code,data,datalist,del,dfn,em,embed,i,iframe,img,input,ins,kbd,keygen,label,link,main,map,mark,math,menu,meter,nav,noscript,object,ol,output,p,picture,pre,progress,q,ruby,s,samp,script,section,select,small,span,strong,sub,sup,svg,table,template,textarea,time,u,ul,var,video,wbr');

		function startTagForHandler( handler ) {
		var customStartTagAttrs;
		var reCache = {};

		var startTagAttrs = new RegExp(
		'(?:\\s*[\\w:\\.-]+'
		+ '(?:\\s*'
		+ '(?:' + joinSingleAttrAssigns(handler) + ')'
		+ '\\s(?:(?:"[^"]")\|(?:\'[^\']*\')\|[^>\\s]+)'
		+ ')?'
		+ ')*'
		);

		if ( handler.customAttrSurround ) {
		function attrForHandler(handler) {
		var pattern = singleAttrIdentifier.source
		+ '(?:\\s*(' + joinSingleAttrAssigns(handler) + ')'
		+ '\\s*(?:' + singleAttrValues.join('\|') + '))?';
		if (handler.customAttrSurround) {
		var attrClauses = [];

		for ( var i = handler.customAttrSurround.length - 1; i >= 0; i-- ) {
		// Capture the custom attribute opening and closing markup surrounding the standard attribute rules
		attrClauses[i] = '(?:\\s*'
		+ handler.customAttrSurround[i][0].source
		+ '\\s*'
		+ startTagAttrs.source
		+ '\\s*'
		+ handler.customAttrSurround[i][1].source
		+ ')';
		}
		attrClauses.unshift(startTagAttrs.source);

		customStartTagAttrs = new RegExp(
		'((?:' + attrClauses.join('\|') + ')*)'
		);
		}
		else {
		// No custom attribute wrappers specified, so just capture the standard attribute rules
		customStartTagAttrs = new RegExp('(' + startTagAttrs.source + ')');
		}

		return new RegExp(startTagOpen.source + customStartTagAttrs.source + startTagClose.source);
		}

		function attrForHandler( handler ) {
		var singleAttr = new RegExp(
		singleAttrIdentifier.source
		+ '(?:\\s*'
		+ '(' + joinSingleAttrAssigns( handler ) + ')'
		+ '\\s*'
		+ '(?:'
		+ singleAttrValues.join('\|')
		+ ')'
		+ ')?'
		);

		if ( handler.customAttrSurround ) {
		var attrClauses = [];
		for ( var i = handler.customAttrSurround.length - 1; i >= 0; i-- ) {
		attrClauses[i] = '(?:'
		+ '(' + handler.customAttrSurround[i][0].source + ')\\s*'
		+ singleAttr.source
		+ pattern
		+ '\\s*(' + handler.customAttrSurround[i][1].source + ')'
		+ ')';
		}
		attrClauses.unshift('(?:' + singleAttr.source + ')');

		return new RegExp(attrClauses.join('\|'), 'g');
		attrClauses.push('(?:' + pattern + ')');
		pattern = '(?:' + attrClauses.join('\|') + ')';
		}
		else {
		return new RegExp(singleAttr.source, 'g');
		}
		return new RegExp('^\\s*' + pattern);
		}
		@@ -157,89 +130,88 @@
		var HTMLParser = global.HTMLParser = function( html, handler ) {
		var index, match, stack = [], last = html, prevTag, nextTag;
		stack.last = function() {
		var last = this[ this.length - 1 ];
		return last && last.tag;
		};

		var startTag = startTagForHandler(handler);
		var attr = attrForHandler(handler);

		var stack = [], lastTag;
		var attribute = attrForHandler(handler);
		var last, prevTag, nextTag;
		while ( html ) {
		last = html;
		// Make sure we're not in a script or style element
		if ( !stack.last() \|\| !special[ stack.last() ] ) {
		if ( !lastTag \|\| !special[ lastTag ] ) {
		var textEnd = html.indexOf('<');
		if (textEnd === 0) {
		// Comment:
		if ( /^<!--/.test( html ) ) {
		var commentEnd = html.indexOf('-->');

		// Comment:
		if ( /^<!--/.test( html ) ) {
		index = html.indexOf('-->');

		if ( index >= 0 ) {
		if ( handler.comment ) {
		handler.comment( html.substring( 4, index ) );
		if ( commentEnd >= 0 ) {
		if ( handler.comment ) {
		handler.comment( html.substring( 4, commentEnd ) );
		}
		html = html.substring( commentEnd + 3 );
		prevTag = '';
		continue;
		}
		html = html.substring( index + 3 );
		prevTag = '';
		continue;
		}
		}

		// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
		if ( /^<!\[/.test( html ) ) {
		index = html.indexOf(']>');
		// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
		if ( /^<!\[/.test( html ) ) {
		var conditionalEnd = html.indexOf(']>');

		if (index >= 0) {
		if ( handler.comment ) {
		handler.comment( html.substring(2, index + 1 ), true /* non-standard */ );
		if (conditionalEnd >= 0) {
		if ( handler.comment ) {
		handler.comment( html.substring(2, conditionalEnd + 1 ), true /* non-standard */ );
		}
		html = html.substring( conditionalEnd + 2 );
		prevTag = '';
		continue;
		}
		html = html.substring( index + 2 );
		}

		// Doctype:
		var doctypeMatch = html.match( doctype );
		if ( doctypeMatch ) {
		if ( handler.doctype ) {
		handler.doctype( doctypeMatch[0] );
		}
		html = html.substring( doctypeMatch[0].length );
		prevTag = '';
		continue;
		}
		}

		// Doctype:
		if ( (match = doctype.exec( html )) ) {
		if ( handler.doctype ) {
		handler.doctype( match[0] );
		// End tag:
		var endTagMatch = html.match( endTag );
		if ( endTagMatch ) {
		html = html.substring( endTagMatch[0].length );
		endTagMatch[0].replace( endTag, parseEndTag );
		prevTag = '/' + endTagMatch[1].toLowerCase();
		continue;
		}
		html = html.substring( match[0].length );
		prevTag = '';
		continue;
		}

		// End tag:
		if ( /^<\//.test( html ) ) {
		match = html.match( endTag );
		if ( match ) {
		html = html.substring( match[0].length );
		match[0].replace( endTag, parseEndTag );
		prevTag = '/' + match[1].toLowerCase();
		// Start tag:
		var startTagMatch = parseStartTag(html);
		if ( startTagMatch ) {
		html = startTagMatch.rest;
		handleStartTag(startTagMatch);
		prevTag = startTagMatch.tagName.toLowerCase();
		continue;
		}
		}

		var text;
		if (textEnd >= 0) {
		text = html.substring( 0, textEnd );
		html = html.substring( textEnd );
		}
		// Start tag:
		if ( /^</.test( html ) ) {
		match = html.match( startTag );
		if ( match ) {
		html = html.substring( match[0].length );
		match[0].replace( startTag, parseStartTag );
		prevTag = match[1].toLowerCase();
		continue;
		}
		else {
		text = html;
		html = '';
		}

		index = html.indexOf('<');

		var text = index < 0 ? html : html.substring( 0, index );
		html = index < 0 ? '' : html.substring( index );

		// next tag
		tagMatch = html.match( startTag );
		if (tagMatch) {
		nextTag = tagMatch[1];
		var nextTagMatch = parseStartTag(html);
		if (nextTagMatch) {
		nextTag = nextTagMatch.tagName;
		}
		else {
		tagMatch = html.match( endTag );
		if (tagMatch) {
		nextTag = '/' + tagMatch[1];
		nextTagMatch = html.match( endTag );
		if (nextTagMatch) {
		nextTag = '/' + nextTagMatch[1];
		}
		@@ -258,6 +230,5 @@ else {
		else {
		var stackedTag = lastTag.toLowerCase();
		var reStackedTag = reCache[stackedTag] \|\| (reCache[stackedTag] = new RegExp('([\\s\\S]?)<\/' + stackedTag + '[^>]>', 'i'));

		stackedTag = stack.last().toLowerCase();
		reStackedTag = reCache[stackedTag] \|\| (reCache[stackedTag] = new RegExp('([\\s\\S]?)<\/' + stackedTag + '[^>]>', 'i'));

		html = html.replace(reStackedTag, function(all, text) {
		@@ -277,3 +248,3 @@ if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') {

		parseEndTag( '', stackedTag );
		parseEndTag( '</' + stackedTag + '>', stackedTag );
		}
		@@ -284,24 +255,51 @@
		}
		last = html;
		}

		// Clean up any remaining tags
		parseEndTag();
		if (!handler.partialMarkup) {
		// Clean up any remaining tags
		parseEndTag();
		}

		function parseStartTag( tag, tagName, rest, unary ) {
		var unarySlash = false;
		function parseStartTag(input) {
		var start = input.match(startTagOpen);
		if (start) {
		var match = {
		tagName: start[1],
		attrs: []
		};
		input = input.slice(start[0].length);
		var end, attr;
		while (!(end = input.match(startTagClose)) && (attr = input.match(attribute))) {
		input = input.slice(attr[0].length);
		match.attrs.push(attr);
		}
		if (end) {
		match.unarySlash = end[1];
		match.rest = input.slice(end[0].length);
		return match;
		}
		}
		}

		while ( !handler.html5 && stack.last() && inline[ stack.last() ]) {
		parseEndTag( '', stack.last() );
		function handleStartTag(match) {
		var tagName = match.tagName;
		var unarySlash = match.unarySlash;

		if (handler.html5 && lastTag && phrasingOnly[lastTag] && !phrasing[tagName]) {
		parseEndTag( '', lastTag );
		}

		if ( closeSelf[ tagName ] && stack.last() === tagName ) {
		if (!handler.html5) {
		while (lastTag && inline[ lastTag ]) {
		parseEndTag( '', lastTag );
		}
		}

		if ( closeSelf[ tagName ] && lastTag === tagName ) {
		parseEndTag( '', tagName );
		}

		unary = empty[ tagName ] \|\| !!unary;
		var unary = empty[ tagName ] \|\| tagName === 'html' && lastTag === 'head' \|\| !!unarySlash;

		var attrs = [];

		rest.replace(attr, function () {
		var attrs = match.attrs.map(function(args) {
		var name, value, fallbackValue, customOpen, customClose, customAssign, quote;
		@@ -311,31 +309,19 @@ var ncp = 7; // number of captured parts, scalar
		// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
		if (IS_REGEX_CAPTURING_BROKEN && arguments[0].indexOf('""') === -1) {
		if (arguments[3] === '') { arguments[3] = undefined; }
		if (arguments[4] === '') { arguments[4] = undefined; }
		if (arguments[5] === '') { arguments[5] = undefined; }
		if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
		if (args[3] === '') { args[3] = undefined; }
		if (args[4] === '') { args[4] = undefined; }
		if (args[5] === '') { args[5] = undefined; }
		}

		name = arguments[1];
		if ( name ) {
		customAssign = arguments[2];
		fallbackValue = arguments[3];
		value = fallbackValue \|\| arguments[4] \|\| arguments[5];

		if (customAssign) {
		quote = arguments[0].charAt(name.length + customAssign.length);
		quote = (quote === '\'' \|\| quote === '"') ? quote : '';
		}

		}
		else if ( handler.customAttrSurround ) {
		for ( var i = handler.customAttrSurround.length - 1; i >= 0; i-- ) {
		name = arguments[i * ncp + 7];
		customAssign = arguments[i * ncp + 8];
		if ( name ) {
		fallbackValue = arguments[i * ncp + 9];
		value = fallbackValue
		\|\| arguments[i * ncp + 10]
		\|\| arguments[i * ncp + 11];
		customOpen = arguments[i * ncp + 6];
		customClose = arguments[i * ncp + 12];
		var j = 1;
		if (handler.customAttrSurround) {
		for (var i = 0, l = handler.customAttrSurround.length; i < l; i++, j += ncp) {
		name = args[j + 1];
		customAssign = args[j + 2];
		if (name) {
		fallbackValue = args[j + 3];
		value = fallbackValue \|\| args[j + 4] \|\| args[j + 5];
		quote = fallbackValue ? '"' : value ? '\'' : '';
		customOpen = args[j];
		customClose = args[j + 6];
		break;
		@@ -346,7 +332,14 @@ }

		if ( value === undefined ) {
		if (!name && (name = args[j])) {
		customAssign = args[j + 1];
		fallbackValue = args[j + 2];
		value = fallbackValue \|\| args[j + 3] \|\| args[j + 4];
		quote = fallbackValue ? '"' : value ? '\'' : '';
		}

		if (value === undefined) {
		value = fillAttrs[name] ? name : fallbackValue;
		}

		attrs.push({
		return {
		name: name,
		@@ -358,3 +351,3 @@ value: value,
		quote: quote \|\| ''
		});
		};
		});
		@@ -364,8 +357,6 @@
		stack.push( { tag: tagName, attrs: attrs } );
		lastTag = tagName;
		unarySlash = '';
		}
		else {
		unarySlash = tag.match( endingSlash );
		}


		if ( handler.start ) {
		@@ -397,3 +388,3 @@ handler.start( tagName, attrs, unary, unarySlash );
		if ( handler.end ) {
		handler.end( stack[ i ].tag, stack[ i ].attrs );
		handler.end( stack[ i ].tag, stack[ i ].attrs, i > pos \|\| !tag );
		}
		@@ -404,2 +395,3 @@ }
		stack.length = pos;
		lastTag = pos && stack[ pos - 1 ].tag;
		}
		@@ -552,4 +544,2 @@ }

		/* global CleanCSS */

		(function(global) {
		@@ -591,4 +581,8 @@ 'use strict';

		function compressWhitespace(spaces) {
		return spaces === '\t' ? spaces : ' ';
		}

		function collapseWhitespaceAll(str) {
		return str ? str.replace(/[\t\n\r ]+/g, ' ') : str;
		return str ? str.replace(/[\t\n\r ]+/g, compressWhitespace) : str;
		}
		@@ -614,6 +608,6 @@
		if (options.preserveLineBreaks) {
		str = str.replace(/^[\t ][\n\r]+[\t\n\r ]/, function() {
		str = str.replace(/^[\t ][\n\r][\t\n\r ]/, function() {
		lineBreakBefore = '\n';
		return '';
		}).replace(/[\t\n\r ][\n\r]+[\t ]$/, function() {
		}).replace(/[\t\n\r ][\n\r][\t ]$/, function() {
		lineBreakAfter = '\n';
		@@ -625,7 +619,7 @@ return '';
		if (trimLeft) {
		str = str.replace(/^\s+/, !lineBreakBefore && options.conservativeCollapse ? ' ' : '');
		str = str.replace(/^\s+/, !lineBreakBefore && options.conservativeCollapse ? compressWhitespace : '');
		}

		if (trimRight) {
		str = str.replace(/\s+$/, !lineBreakAfter && options.conservativeCollapse ? ' ' : '');
		str = str.replace(/\s+$/, !lineBreakAfter && options.conservativeCollapse ? compressWhitespace : '');
		}
		@@ -641,11 +635,18 @@

		// array of non-empty element tags that will maintain a single space outside of them
		// non-empty tags that will maintain whitespace around them
		var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,mark,math,q,rt,rp,s,samp,small,span,strike,strong,sub,sup,svg,time,tt,u,var');
		// non-empty tags that will maintain whitespace within them
		var inlineTextTags = createMapFromString('a,abbr,acronym,b,big,del,em,font,i,ins,kbd,mark,s,samp,small,span,strike,strong,sub,sup,time,tt,u,var');
		// self-closing tags that will maintain whitespace around them
		var selfClosingInlineTags = createMapFromString('comment,img,input');

		function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
		var trimLeft = prevTag && !selfClosingInlineTags(prevTag) &&
		(options.collapseInlineTagWhitespace \|\| prevTag.charAt(0) !== '/' \|\| !inlineTags(prevTag.substr(1)));
		var trimRight = nextTag && !selfClosingInlineTags(nextTag) &&
		(options.collapseInlineTagWhitespace \|\| nextTag.charAt(0) === '/' \|\| !inlineTags(nextTag));
		var trimLeft = prevTag && !selfClosingInlineTags(prevTag);
		if (trimLeft && !options.collapseInlineTagWhitespace) {
		trimLeft = prevTag.charAt(0) === '/' ? !inlineTags(prevTag.slice(1)) : !inlineTextTags(prevTag);
		}
		var trimRight = nextTag && !selfClosingInlineTags(nextTag);
		if (trimRight && !options.collapseInlineTagWhitespace) {
		trimRight = nextTag.charAt(0) === '/' ? !inlineTextTags(nextTag.slice(1)) : !inlineTags(nextTag);
		}
		return collapseWhitespace(str, options, trimLeft, trimRight, prevTag && nextTag);
		@@ -655,3 +656,3 @@ }
		function isConditionalComment(text) {
		return ((/\[if[^\]]+\]/).test(text) \|\| (/\s*((?:<!)?\[endif\])$/).test(text));
		return /^\[if\s[^\]]+\]\|\[endif\]$/.test(text);
		}
		@@ -734,10 +735,2 @@

		function isScriptTypeAttribute(tag, attrName, attrValue) {
		return (
		tag === 'script' &&
		attrName === 'type' &&
		trimWhitespace(attrValue.toLowerCase()) === 'text/javascript'
		);
		}

		// https://mathiasbynens.be/demo/javascript-mime-type
		@@ -754,2 +747,10 @@ // https://developer.mozilla.org/en/docs/Web/HTML/Element/script#attr-type

		function isScriptTypeAttribute(tag, attrName, attrValue) {
		return (
		tag === 'script' &&
		attrName === 'type' &&
		executableScriptsMimetypes(trimWhitespace(attrValue.toLowerCase()))
		);
		}

		function isExecutableScript(tag, attrs) {
		@@ -762,3 +763,3 @@ if (tag !== 'script') {
		if (attrName === 'type') {
		var attrValue = trimWhitespace(attrs[i].value).split(/;/, 2)[0].toLowerCase();
		var attrValue = trimWhitespace(attrs[i].value.split(/;/, 2)[0]).toLowerCase();
		return attrValue === '' \|\| executableScriptsMimetypes(attrValue);
		@@ -778,19 +779,7 @@ }

		var enumeratedAttributeValues = {
		draggable: ['true', 'false'] // defaults to 'auto'
		};
		var isSimpleBoolean = createMapFromString('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,default,defaultchecked,defaultmuted,defaultselected,defer,disabled,enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,required,reversed,scoped,seamless,selected,sortable,truespeed,typemustmatch,visible');
		var isBooleanValue = createMapFromString('true,false');

		function isBooleanAttribute(attrName, attrValue) {
		var isSimpleBoolean = (/^(?:allowfullscreen\|async\|autofocus\|autoplay\|checked\|compact\|controls\|declare\|default\|defaultchecked\|defaultmuted\|defaultselected\|defer\|disabled\|enabled\|formnovalidate\|hidden\|indeterminate\|inert\|ismap\|itemscope\|loop\|multiple\|muted\|nohref\|noresize\|noshade\|novalidate\|nowrap\|open\|pauseonexit\|readonly\|required\|reversed\|scoped\|seamless\|selected\|sortable\|truespeed\|typemustmatch\|visible)$/i).test(attrName);
		if (isSimpleBoolean) {
		return true;
		}

		var attrValueEnumeration = enumeratedAttributeValues[attrName.toLowerCase()];
		if (!attrValueEnumeration) {
		return false;
		}
		else {
		return (-1 === attrValueEnumeration.indexOf(attrValue.toLowerCase()));
		}
		return isSimpleBoolean(attrName) \|\| attrName === 'draggable' && !isBooleanValue(attrValue);
		}
		@@ -882,2 +871,5 @@
		}
		else if (tag === 'script' && attrName === 'type') {
		attrValue = trimWhitespace(attrValue.replace(/\s;\s/g, ';'));
		}
		return attrValue;
		@@ -913,6 +905,6 @@ }

		function cleanConditionalComment(comment) {
		return comment
		.replace(/^(\[[^\]]+\]>)\s*/, '$1')
		.replace(/\s*(<!\[endif\])$/, '$1');
		function cleanConditionalComment(comment, options) {
		return comment.replace(/^(\[if\s[^\]]+\]>)([\s\S]*?)(<!\[endif\])$/, function(match, prefix, text, suffix) {
		return prefix + minify(text, options, true) + suffix;
		});
		}
		@@ -955,2 +947,3 @@
		// - </rb>, </rt>, </rtc>, </rp> & </tfoot> follow http://www.w3.org/TR/html5/syntax.html#optional-tags
		// - retain all tags which are adjacent to non-standard HTML tags
		var optionalStartTags = createMapFromString('html,head,body,colgroup,tbody');
		@@ -971,2 +964,4 @@ var optionalEndTags = createMapFromString('html,head,body,li,dt,dd,p,rb,rt,rtc,rp,optgroup,option,colgroup,caption,thead,tbody,tfoot,tr,td,th');
		var looseTags = createMapFromString('head,colgroup,caption');
		var trailingTags = createMapFromString('dt,thead');
		var htmlTags = createMapFromString('a,abbr,acronym,address,applet,area,article,aside,audio,b,base,basefont,bdi,bdo,bgsound,big,blink,blockquote,body,br,button,canvas,caption,center,cite,code,col,colgroup,command,content,data,datalist,dd,del,details,dfn,dialog,dir,div,dl,dt,element,em,embed,fieldset,figcaption,figure,font,footer,form,frame,frameset,h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,i,iframe,image,img,input,ins,isindex,kbd,keygen,label,legend,li,link,listing,main,map,mark,marquee,menu,menuitem,meta,meter,multicol,nav,nobr,noembed,noframes,noscript,object,ol,optgroup,option,output,p,param,picture,plaintext,pre,progress,q,rp,rt,rtc,ruby,s,samp,script,section,select,shadow,small,source,spacer,span,strike,strong,style,sub,summary,sup,table,tbody,td,template,textarea,tfoot,th,thead,time,title,tr,track,tt,u,ul,var,video,wbr,xmp');

		@@ -1049,15 +1044,38 @@ function canRemoveParentTag(optionalStartTag, tag) {

		function canRemoveElement(tag, attrs) {
		if (tag === 'textarea') {
		return false;
		function hasAttrName(name, attrs) {
		for (var i = attrs.length - 1; i >= 0; i--) {
		if (attrs[i].name === name) {
		return true;
		}
		}
		return false;
		}

		if (tag === 'script') {
		for (var i = attrs.length - 1; i >= 0; i--) {
		if (attrs[i].name === 'src') {
		function canRemoveElement(tag, attrs) {
		switch (tag) {
		case 'textarea':
		return false;
		case 'audio':
		case 'script':
		case 'video':
		if (hasAttrName('src', attrs)) {
		return false;
		}
		}
		break;
		case 'iframe':
		if (hasAttrName('src', attrs) \|\| hasAttrName('srcdoc', attrs)) {
		return false;
		}
		break;
		case 'object':
		if (hasAttrName('data', attrs)) {
		return false;
		}
		break;
		case 'applet':
		if (hasAttrName('code', attrs)) {
		return false;
		}
		break;
		}

		return true;
		@@ -1132,3 +1150,3 @@ }
		if (attrValue === undefined \|\| (options.collapseBooleanAttributes &&
		isBooleanAttribute(attrName, attrValue))) {
		isBooleanAttribute(attrName.toLowerCase(), attrValue.toLowerCase()))) {
		attrFragment = attrName;
		@@ -1146,6 +1164,8 @@ if (!isLast) {

		function setDefaultTesters(options) {
		function processOptions(options) {
		if (!('includeAutoGeneratedTags' in options)) {
		options.includeAutoGeneratedTags = true;
		}

		var defaultTesters = ['canCollapseWhitespace', 'canTrimWhitespace'];

		for (var i = 0, len = defaultTesters.length; i < len; i++) {
		@@ -1158,119 +1178,97 @@ if (!options[defaultTesters[i]]) {
		}
		}

		function minifyURLs(text, options) {
		if (typeof options !== 'object') {
		options = { };
		if (options.minifyURLs && typeof options.minifyURLs !== 'object') {
		options.minifyURLs = { };
		}

		try {
		// try to get global reference first
		var __RelateUrl = global.RelateUrl;

		if (typeof __RelateUrl === 'undefined' && typeof require === 'function') {
		__RelateUrl = require('relateurl');
		if (options.minifyJS) {
		if (typeof options.minifyJS !== 'object') {
		options.minifyJS = { };
		}
		options.minifyJS.fromString = true;
		(options.minifyJS.output \|\| (options.minifyJS.output = { })).inline_script = true;
		}

		// noop
		if (!__RelateUrl) {
		return text;
		if (options.minifyCSS) {
		if (typeof options.minifyCSS !== 'object') {
		options.minifyCSS = { };
		}

		if (__RelateUrl.relate) {
		return __RelateUrl.relate(text, options);
		if (typeof options.minifyCSS.advanced === 'undefined') {
		options.minifyCSS.advanced = false;
		}
		else {
		return text;
		}
		}
		catch (err) {
		log(err);
		}
		}

		function noop(text) {
		return text;
		}

		function minifyJS(text, options) {
		if (typeof options !== 'object') {
		options = { };
		function getModule(name, path) {
		// try to get global reference first
		var result = global[name];
		if (typeof result === 'undefined' && typeof require === 'function') {
		result = require(path);
		}
		options.fromString = true;
		var outputOptions = options.output \|\| {};
		outputOptions.inline_script = true;
		options.output = outputOptions;
		return result;
		}

		try {
		// try to get global reference first
		var __UglifyJS = global.UglifyJS;

		if (typeof __UglifyJS === 'undefined' && typeof require === 'function') {
		__UglifyJS = require('uglify-js');
		}

		// noop
		if (!__UglifyJS) {
		return text;
		}

		if (__UglifyJS.minify) {
		return __UglifyJS.minify(text, options).code;
		}
		else if (__UglifyJS.parse) {

		var ast = __UglifyJS.parse(text);
		ast.figure_out_scope();

		var compressor = __UglifyJS.Compressor();
		var compressedAst = ast.transform(compressor);

		compressedAst.figure_out_scope();
		compressedAst.compute_char_frequency();

		if (options.mangle !== false) {
		compressedAst.mangle_names();
		var minifyURLs = (function() {
		var RelateUrl = getModule('RelateUrl', 'relateurl');
		if (RelateUrl && RelateUrl.relate) {
		return function(text, options) {
		try {
		return RelateUrl.relate(text, options);
		}

		var stream = __UglifyJS.OutputStream(options.output);
		compressedAst.print(stream);

		return stream.toString();
		}
		else {
		return text;
		}
		catch (err) {
		log(err);
		return text;
		}
		};
		}
		catch (err) {
		log(err);
		else {
		return noop;
		}
		return text;
		}
		})();

		function minifyCSS(text, options, inline) {
		if (typeof options !== 'object') {
		options = { };
		var minifyJS = (function() {
		var UglifyJS = getModule('UglifyJS', 'uglify-js');
		if (UglifyJS && UglifyJS.minify) {
		return function(text, options) {
		try {
		return UglifyJS.minify(text, options).code;
		}
		catch (err) {
		log(err);
		return text;
		}
		};
		}
		if (typeof options.advanced === 'undefined') {
		options.advanced = false;
		else {
		return noop;
		}
		try {
		var cleanCSS;
		})();

		if (typeof CleanCSS !== 'undefined') {
		cleanCSS = new CleanCSS(options);
		}
		else if (typeof require === 'function') {
		var CleanCSSModule = require('clean-css');
		cleanCSS = new CleanCSSModule(options);
		}
		if (inline) {
		return unwrapCSS(cleanCSS.minify(wrapCSS(text)).styles);
		}
		else {
		return cleanCSS.minify(text).styles;
		}
		var minifyCSS = (function() {
		var CleanCSS = getModule('CleanCSS', 'clean-css');
		if (CleanCSS) {
		return function(text, options, inline) {
		try {
		var cleanCSS = new CleanCSS(options);
		if (inline) {
		return unwrapCSS(cleanCSS.minify(wrapCSS(text)).styles);
		}
		else {
		return cleanCSS.minify(text).styles;
		}
		}
		catch (err) {
		log(err);
		return text;
		}
		};
		}
		catch (err) {
		log(err);
		else {
		return noop;
		}
		return text;
		}
		})();

		@@ -1285,14 +1283,12 @@ function uniqueId(value) {

		function minify(value, options) {

		function minify(value, options, partialMarkup) {
		options = options \|\| {};
		var optionsStack = [];
		processOptions(options);
		value = options.collapseWhitespace ? trimWhitespace(value) : value;

		value = trimWhitespace(value);
		setDefaultTesters(options);

		var results = [ ],
		buffer = [ ],
		var buffer = [ ],
		charsPrevTag,
		currentChars = '',
		hasChars,
		currentTag = '',
		@@ -1311,13 +1307,14 @@ currentAttrs = [],

		if (~value.indexOf('<!-- htmlmin:ignore -->')) {
		uidIgnore = '<!--!' + uniqueId(value) + '-->';
		// temporarily replace ignored chunks with comments,
		// so that we don't have to worry what's there.
		// for all we care there might be
		// completely-horribly-broken-alien-non-html-emoj-cthulhu-filled content
		value = value.replace(/<!-- htmlmin:ignore -->([\s\S]*?)<!-- htmlmin:ignore -->/g, function(match, group1) {
		ignoredMarkupChunks.push(group1);
		return uidIgnore;
		});
		}
		// temporarily replace ignored chunks with comments,
		// so that we don't have to worry what's there.
		// for all we care there might be
		// completely-horribly-broken-alien-non-html-emoj-cthulhu-filled content
		value = value.replace(/<!-- htmlmin:ignore -->([\s\S]*?)<!-- htmlmin:ignore -->/g, function(match, group1) {
		if (!uidIgnore) {
		uidIgnore = '<!--!' + uniqueId(value) + '-->';
		}
		var token = uidIgnore + ignoredMarkupChunks.length;
		ignoredMarkupChunks.push(group1);
		return token;
		});

		@@ -1331,3 +1328,3 @@ var customFragments = (options.ignoreCustomFragments \|\| [
		if (customFragments.length) {
		var reCustomIgnore = new RegExp('\\s(?:' + customFragments.join('\|') + ')\\s', 'g');
		var reCustomIgnore = new RegExp('\\s(?:' + customFragments.join('\|') + ')+\\s', 'g');
		// temporarily replace custom ignored fragments with unique attributes
		@@ -1338,4 +1335,5 @@ value = value.replace(reCustomIgnore, function(match) {
		}
		var token = uidAttr + ignoredCustomMarkupChunks.length;
		ignoredCustomMarkupChunks.push(match);
		return ' ' + uidAttr + ' ';
		return '\t' + token + '\t';
		});
		@@ -1365,6 +1363,26 @@ }
		}
		buffer.length = index;
		buffer.length = Math.max(0, index);
		}

		// look for trailing whitespaces from previously processed text
		// which may not be trimmed due to a following comment or an empty
		// element which has now been removed
		function squashTrailingWhitespace(nextTag) {
		var charsIndex;
		if (buffer.length > 1 && /^(?:<!\|$)/.test(buffer[buffer.length - 1]) &&
		/\s$/.test(buffer[buffer.length - 2])) {
		charsIndex = buffer.length - 2;
		}
		else if (buffer.length > 0 && /\s$/.test(buffer[buffer.length - 1])) {
		charsIndex = buffer.length - 1;
		}
		if (charsIndex > 0) {
		buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(text) {
		return collapseWhitespaceSmart(text, 'comment', nextTag, options);
		});
		}
		}

		new HTMLParser(value, {
		partialMarkup: partialMarkup,
		html5: typeof options.html5 !== 'undefined' ? options.html5 : true,
		@@ -1390,3 +1408,6 @@
		charsPrevTag = tag;
		currentChars = '';
		if (!inlineTextTags(tag)) {
		currentChars = '';
		}
		hasChars = false;
		currentAttrs = attrs;
		@@ -1396,2 +1417,3 @@
		if (optional) {
		var htmlTag = htmlTags(tag);
		// <html> may be omitted if first thing inside is not comment
		@@ -1402,3 +1424,3 @@ // <head> may be omitted if first thing inside is an element
		// <tbody> may be omitted if first thing inside is <tr>
		if (canRemoveParentTag(optionalStartTag, tag)) {
		if (htmlTag && canRemoveParentTag(optionalStartTag, tag)) {
		removeStartTag();
		@@ -1408,3 +1430,3 @@ }
		// end-tag-followed-by-start-tag omission rules
		if (canRemovePrecedingTag(optionalEndTag, tag)) {
		if (htmlTag && canRemovePrecedingTag(optionalEndTag, tag)) {
		removeEndTag();
		@@ -1420,2 +1442,5 @@ // <colgroup> cannot be omitted if preceding </colgroup> is omitted
		if (options.collapseWhitespace) {
		if (!stackNoTrimWhitespace.length) {
		squashTrailingWhitespace(tag);
		}
		if (!_canTrimWhitespace(tag, attrs)) {
		@@ -1461,3 +1486,3 @@ stackNoTrimWhitespace.push(tag);
		},
		end: function(tag, attrs) {
		end: function(tag, attrs, autoGenerated) {
		var lowerTag = tag.toLowerCase();
		@@ -1467,16 +1492,4 @@ if (lowerTag === 'svg') {
		}

		tag = options.caseSensitive ? tag : lowerTag;

		if (options.removeOptionalTags) {
		// </html> or </body> may be omitted if not followed by comment
		// </head> may be omitted if not followed by space or comment
		// </p> may be omitted if no more content in non-</a> parent
		// except for </dt> or </thead>, end tags may be omitted if no more content in parent element
		if (optionalEndTag && optionalEndTag !== 'dt' && optionalEndTag !== 'thead' && (optionalEndTag !== 'p' \|\| !pInlineTags(tag))) {
		removeEndTag();
		}
		optionalEndTag = optionalEndTags(tag) ? tag : '';
		}

		// check if current tag is in a whitespace stack
		@@ -1490,14 +1503,3 @@ if (options.collapseWhitespace) {
		else {
		var charsIndex;
		if (buffer.length > 1 && buffer[buffer.length - 1] === '' && /\s+$/.test(buffer[buffer.length - 2])) {
		charsIndex = buffer.length - 2;
		}
		else if (buffer.length > 0 && /\s+$/.test(buffer[buffer.length - 1])) {
		charsIndex = buffer.length - 1;
		}
		if (charsIndex > 0) {
		buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(text) {
		return collapseWhitespaceSmart(text, 'comment', '/' + tag, options);
		});
		}
		squashTrailingWhitespace('/' + tag);
		}
		@@ -1513,4 +1515,21 @@ if (stackNoCollapseWhitespace.length &&
		currentTag = '';
		isElementEmpty = currentChars === '';
		isElementEmpty = !hasChars;
		}

		if (options.removeOptionalTags) {
		// <html>, <head> or <body> may be omitted if the element is empty
		if (isElementEmpty && topLevelTags(optionalStartTag)) {
		removeStartTag();
		}
		optionalStartTag = '';
		// </html> or </body> may be omitted if not followed by comment
		// </head> may be omitted if not followed by space or comment
		// </p> may be omitted if no more content in non-</a> parent
		// except for </dt> or </thead>, end tags may be omitted if no more content in parent element
		if (htmlTags(tag) && optionalEndTag && !trailingTags(optionalEndTag) && (optionalEndTag !== 'p' \|\| !pInlineTags(tag))) {
		removeEndTag();
		}
		optionalEndTag = optionalEndTags(tag) ? tag : '';
		}

		if (options.removeEmptyElements && isElementEmpty && canRemoveElement(tag, attrs)) {
		@@ -1524,6 +1543,9 @@ // remove last "element" from buffer
		// push out everything but the end tag
		results.push.apply(results, buffer);
		buffer = ['</' + tag + '>'];
		if (options.includeAutoGeneratedTags \|\| !autoGenerated) {
		buffer.push('</' + tag + '>');
		}
		charsPrevTag = '/' + tag;
		currentChars = '';
		if (!inlineTextTags(tag)) {
		currentChars = '';
		}
		}
		@@ -1541,3 +1563,3 @@ },
		}
		if (buffer.length > 1 && (removed \|\| currentChars.charAt(currentChars.length - 1) === ' ')) {
		if (buffer.length > 1 && (removed \|\| / $/.test(currentChars))) {
		var charsIndex = buffer.length - 2;
		@@ -1550,3 +1572,18 @@ buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(trailingSpaces) {
		}
		if (prevTag && inlineTextTags(prevTag.charAt(0) === '/' ? prevTag.slice(1) : prevTag)) {
		text = collapseWhitespace(text, options, /(?:^\|\s)$/.test(currentChars));
		}
		text = prevTag \|\| nextTag ? collapseWhitespaceSmart(text, prevTag, nextTag, options) : trimWhitespace(text);
		if (!text && /\s$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {
		for (var index = buffer.length - 2, endTag = prevTag.slice(1); index >= 0 && _canTrimWhitespace(endTag); index--) {
		var str = buffer[index];
		var match = str.match(/^<\/([\w:-]+)>$/);
		if (match) {
		endTag = match[1];
		}
		else if (/>$/.test(str) \|\| (buffer[index] = collapseWhitespaceSmart(str, null, nextTag, options))) {
		break;
		}
		}
		}
		}
		@@ -1593,2 +1630,5 @@ if (!stackNoCollapseWhitespace.length) {
		currentChars += text;
		if (text) {
		hasChars = true;
		}
		if (lint) {
		@@ -1602,7 +1642,7 @@ lint.testChars(text);
		var suffix = nonStandard ? '>' : '-->';
		if (options.removeComments) {
		if (isConditionalComment(text)) {
		text = prefix + cleanConditionalComment(text) + suffix;
		}
		else if (isIgnoredComment(text, options)) {
		if (isConditionalComment(text)) {
		text = prefix + cleanConditionalComment(text, options) + suffix;
		}
		else if (options.removeComments) {
		if (isIgnoredComment(text, options)) {
		text = '<!--' + text + '-->';
		@@ -1638,3 +1678,3 @@ }
		// except for </dt> or </thead>, end tags may be omitted if no more content in parent element
		if (optionalEndTag && optionalEndTag !== 'dt' && optionalEndTag !== 'thead') {
		if (optionalEndTag && !trailingTags(optionalEndTag)) {
		removeEndTag();
		@@ -1644,17 +1684,27 @@ }

		results.push.apply(results, buffer);
		var str = joinResultSegments(results, options);
		var str = joinResultSegments(buffer, options);

		if (uidAttr) {
		str = str.replace(new RegExp('(\\s)' + uidAttr + '(\\s)', 'g'), function(match, prefix, suffix) {
		var chunk = ignoredCustomMarkupChunks.shift();
		return options.collapseWhitespace ? collapseWhitespace(prefix + chunk + suffix, {
		preserveLineBreaks: options.preserveLineBreaks,
		conservativeCollapse: true
		}, true, true) : chunk;
		str = str.replace(new RegExp('(\\s)' + uidAttr + '([0-9]+)(\\s)', 'g'), function(match, prefix, index, suffix) {
		var chunk = ignoredCustomMarkupChunks[+index];
		if (options.collapseWhitespace) {
		if (prefix !== '\t') {
		chunk = prefix + chunk;
		}
		if (suffix !== '\t') {
		chunk += suffix;
		}
		return collapseWhitespace(chunk, {
		preserveLineBreaks: options.preserveLineBreaks,
		conservativeCollapse: true
		}, /^\s/.test(chunk), /\s$/.test(chunk));
		}
		else {
		return chunk;
		}
		});
		}
		if (uidIgnore) {
		str = str.replace(new RegExp(uidIgnore, 'g'), function() {
		return ignoredMarkupChunks.shift();
		str = str.replace(new RegExp(uidIgnore + '([0-9]+)', 'g'), function(match, index) {
		return ignoredMarkupChunks[+index];
		});
		@@ -1692,12 +1742,8 @@ }

		return trimWhitespace(str);
		return options.collapseWhitespace ? trimWhitespace(str) : str;
		}

		// for CommonJS enviroments, export everything
		if (typeof exports !== 'undefined') {
		exports.minify = minify;
		}
		else {
		global.minify = minify;
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package.json

		{
		"name": "html-minifier",
		"description": "HTML minifier with lint-like capabilities.",
		"version": "1.2.0",
		"version": "1.3.0",
		"keywords": [
		@@ -36,2 +36,7 @@ "html",
		"scripts": {
		"assets": "grunt assets",
		"assets/clean-css": "browserify node_modules/clean-css/ --standalone CleanCSS \| uglifyjs --compress --mangle -o assets/cleancss-browser.js",
		"assets/ncname": "browserify node_modules/ncname/ --standalone NCName \| uglifyjs --compress --mangle -o assets/ncname-browser.js",
		"assets/relateurl": "browserify node_modules/relateurl/ --standalone RelateUrl \| uglifyjs --compress --mangle -o assets/relateurl-browser.js",
		"assets/uglify-js": "browserify node_modules/uglify-js/ --standalone UglifyJS \| uglifyjs --compress --mangle -o assets/uglify-browser.js",
		"test": "grunt test"
		@@ -44,2 +49,3 @@ },
		"concat-stream": "1.5.x",
		"ncname": "1.0.x",
		"relateurl": "0.2.x",
		@@ -49,2 +55,3 @@ "uglify-js": "2.6.x"
		"devDependencies": {
		"browserify": "13.0.x",
		"brotli": "1.1.x",
		@@ -54,10 +61,10 @@ "chalk": "1.1.x",
		"grunt": "0.4.x",
		"grunt-contrib-concat": "0.5.x",
		"grunt-contrib-jshint": "1.0.x",
		"grunt-contrib-qunit": "1.0.x",
		"grunt-contrib-uglify": "0.11.x",
		"grunt-cli": "0.1.x",
		"grunt-contrib-concat": "1.0.x",
		"grunt-contrib-uglify": "1.0.x",
		"grunt-eslint": "18.0.x",
		"grunt-exec": "0.4.x",
		"grunt-jscs": "2.7.x",
		"grunt-lib-phantomjs": "1.0.x",
		"load-grunt-tasks": "3.4.x",
		"lzma": "2.2.x",
		"lzma": "2.3.x",
		"minimize": "1.8.x",
		@@ -64,0 +71,0 @@ "progress": "1.1.x",

README.md

		@@ -5,4 +5,5 @@ [![NPM version](https://img.shields.io/npm/v/html-minifier.svg)](https://www.npmjs.com/package/html-minifier)
		[![devDependency Status](https://img.shields.io/david/dev/kangax/html-minifier.svg)](https://david-dm.org/kangax/html-minifier#info=devDependencies)
		[![Gitter](https://img.shields.io/gitter/room/kangax/html-minifier.svg)](https://gitter.im/kangax/html-minifier)

		[HTMLMinifier](http://kangax.github.io/html-minifier/) is a highly configurable, well-tested, Javascript-based HTML minifier, with lint-like capabilities.
		[HTMLMinifier](http://kangax.github.io/html-minifier/) is a highly configurable, well-tested, JavaScript-based HTML minifier, with lint-like capabilities.

		@@ -30,4 +31,4 @@ See [corresponding blog post](http://perfectionkills.com/experimenting-with-html-minifier/) for all the gory details of [how it works](http://perfectionkills.com/experimenting-with-html-minifier/#how_it_works), [description of each option](http://perfectionkills.com/experimenting-with-html-minifier/#options), [testing results](http://perfectionkills.com/experimenting-with-html-minifier/#field_testing) and [conclusions](http://perfectionkills.com/experimenting-with-html-minifier/#cost_and_benefits).
		\| [Wikipedia](http://en.wikipedia.org/wiki/President_of_the_United_States) \| 401 \| <b>367</b> \| 388 \| 400 \| n/a \|
		\| [Eloquent Javascript](http://eloquentjavascript.net/print.html) \| 870 \| <b>826</b> \| 840 \| 864 \| n/a \|
		\| [ES6 draft](https://people.mozilla.org/~jorendorff/es6-draft.html) \| 3678 \| <b>2991</b> \| 3079 \| 3204 \| n/a \|
		\| [Eloquent Javascript](http://eloquentjavascript.net/print.html) \| 870 \| <b>827</b> \| 840 \| 864 \| n/a \|
		\| [ES6 draft](https://people.mozilla.org/~jorendorff/es6-draft.html) \| 3678 \| <b>2990</b> \| 3079 \| 3204 \| n/a \|

		@@ -62,4 +63,5 @@
		\| `minifyJS` \| Minify Javascript in script elements and event attributes (uses [UglifyJS](https://github.com/mishoo/UglifyJS2)) \| `false` (could be `true`, `false`, `Object` (options)) \|
		\| `minifyCSS` \| Minify CSS in style elements and style attributes (uses [clean-css](https://github.com/GoalSmashers/clean-css)) \| `false` (could be `true`, `false`, `Object` (options)) \|
		\| `minifyCSS` \| Minify CSS in style elements and style attributes (uses [clean-css](https://github.com/jakubpawlowicz/clean-css)) \| `false` (could be `true`, `false`, `Object` (options)) \|
		\| `minifyURLs` \| Minify URLs in various attributes (uses [relateurl](https://github.com/stevenvachon/relateurl)) \| `false` (could be `Object` (options)) \|
		\| `includeAutoGeneratedTags` \| Insert tags generated by HTML parser \| `true` \|
		\| `ignoreCustomComments` \| Array of regex'es that allow to ignore certain comments, when matched \| `[ ]` \|
		@@ -75,5 +77,6 @@ \| `ignoreCustomFragments` \| Array of regex'es that allow to ignore certain fragments, when matched (e.g. `<?php ... ?>`, `{{ ... }}`, etc.) \| `[ /<%[\s\S]?%>/, /<\?[\s\S]?\?>/ ]` \|


		## Special cases

		### Ignoring chunks of markup.
		### Ignoring chunks of markup

		@@ -106,2 +109,3 @@ If you have chunks of markup you would like preserved, you can wrap them `<!-- htmlmin:ignore -->`.


		## Installation Instructions
		@@ -126,2 +130,3 @@


		## Usage
		@@ -141,2 +146,3 @@


		## Running benchmarks
		@@ -143,0 +149,0 @@

504

src/htmlminifier.js

		@@ -1,3 +0,1 @@
		/* global CleanCSS */

		(function(global) {
		@@ -39,4 +37,8 @@ 'use strict';

		function compressWhitespace(spaces) {
		return spaces === '\t' ? spaces : ' ';
		}

		function collapseWhitespaceAll(str) {
		return str ? str.replace(/[\t\n\r ]+/g, ' ') : str;
		return str ? str.replace(/[\t\n\r ]+/g, compressWhitespace) : str;
		}
		@@ -62,6 +64,6 @@
		if (options.preserveLineBreaks) {
		str = str.replace(/^[\t ][\n\r]+[\t\n\r ]/, function() {
		str = str.replace(/^[\t ][\n\r][\t\n\r ]/, function() {
		lineBreakBefore = '\n';
		return '';
		}).replace(/[\t\n\r ][\n\r]+[\t ]$/, function() {
		}).replace(/[\t\n\r ][\n\r][\t ]$/, function() {
		lineBreakAfter = '\n';
		@@ -73,7 +75,7 @@ return '';
		if (trimLeft) {
		str = str.replace(/^\s+/, !lineBreakBefore && options.conservativeCollapse ? ' ' : '');
		str = str.replace(/^\s+/, !lineBreakBefore && options.conservativeCollapse ? compressWhitespace : '');
		}

		if (trimRight) {
		str = str.replace(/\s+$/, !lineBreakAfter && options.conservativeCollapse ? ' ' : '');
		str = str.replace(/\s+$/, !lineBreakAfter && options.conservativeCollapse ? compressWhitespace : '');
		}
		@@ -89,11 +91,18 @@

		// array of non-empty element tags that will maintain a single space outside of them
		// non-empty tags that will maintain whitespace around them
		var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,mark,math,q,rt,rp,s,samp,small,span,strike,strong,sub,sup,svg,time,tt,u,var');
		// non-empty tags that will maintain whitespace within them
		var inlineTextTags = createMapFromString('a,abbr,acronym,b,big,del,em,font,i,ins,kbd,mark,s,samp,small,span,strike,strong,sub,sup,time,tt,u,var');
		// self-closing tags that will maintain whitespace around them
		var selfClosingInlineTags = createMapFromString('comment,img,input');

		function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
		var trimLeft = prevTag && !selfClosingInlineTags(prevTag) &&
		(options.collapseInlineTagWhitespace \|\| prevTag.charAt(0) !== '/' \|\| !inlineTags(prevTag.substr(1)));
		var trimRight = nextTag && !selfClosingInlineTags(nextTag) &&
		(options.collapseInlineTagWhitespace \|\| nextTag.charAt(0) === '/' \|\| !inlineTags(nextTag));
		var trimLeft = prevTag && !selfClosingInlineTags(prevTag);
		if (trimLeft && !options.collapseInlineTagWhitespace) {
		trimLeft = prevTag.charAt(0) === '/' ? !inlineTags(prevTag.slice(1)) : !inlineTextTags(prevTag);
		}
		var trimRight = nextTag && !selfClosingInlineTags(nextTag);
		if (trimRight && !options.collapseInlineTagWhitespace) {
		trimRight = nextTag.charAt(0) === '/' ? !inlineTextTags(nextTag.slice(1)) : !inlineTags(nextTag);
		}
		return collapseWhitespace(str, options, trimLeft, trimRight, prevTag && nextTag);
		@@ -103,3 +112,3 @@ }
		function isConditionalComment(text) {
		return ((/\[if[^\]]+\]/).test(text) \|\| (/\s*((?:<!)?\[endif\])$/).test(text));
		return /^\[if\s[^\]]+\]\|\[endif\]$/.test(text);
		}
		@@ -182,10 +191,2 @@

		function isScriptTypeAttribute(tag, attrName, attrValue) {
		return (
		tag === 'script' &&
		attrName === 'type' &&
		trimWhitespace(attrValue.toLowerCase()) === 'text/javascript'
		);
		}

		// https://mathiasbynens.be/demo/javascript-mime-type
		@@ -202,2 +203,10 @@ // https://developer.mozilla.org/en/docs/Web/HTML/Element/script#attr-type

		function isScriptTypeAttribute(tag, attrName, attrValue) {
		return (
		tag === 'script' &&
		attrName === 'type' &&
		executableScriptsMimetypes(trimWhitespace(attrValue.toLowerCase()))
		);
		}

		function isExecutableScript(tag, attrs) {
		@@ -210,3 +219,3 @@ if (tag !== 'script') {
		if (attrName === 'type') {
		var attrValue = trimWhitespace(attrs[i].value).split(/;/, 2)[0].toLowerCase();
		var attrValue = trimWhitespace(attrs[i].value.split(/;/, 2)[0]).toLowerCase();
		return attrValue === '' \|\| executableScriptsMimetypes(attrValue);
		@@ -226,19 +235,7 @@ }

		var enumeratedAttributeValues = {
		draggable: ['true', 'false'] // defaults to 'auto'
		};
		var isSimpleBoolean = createMapFromString('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,default,defaultchecked,defaultmuted,defaultselected,defer,disabled,enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,required,reversed,scoped,seamless,selected,sortable,truespeed,typemustmatch,visible');
		var isBooleanValue = createMapFromString('true,false');

		function isBooleanAttribute(attrName, attrValue) {
		var isSimpleBoolean = (/^(?:allowfullscreen\|async\|autofocus\|autoplay\|checked\|compact\|controls\|declare\|default\|defaultchecked\|defaultmuted\|defaultselected\|defer\|disabled\|enabled\|formnovalidate\|hidden\|indeterminate\|inert\|ismap\|itemscope\|loop\|multiple\|muted\|nohref\|noresize\|noshade\|novalidate\|nowrap\|open\|pauseonexit\|readonly\|required\|reversed\|scoped\|seamless\|selected\|sortable\|truespeed\|typemustmatch\|visible)$/i).test(attrName);
		if (isSimpleBoolean) {
		return true;
		}

		var attrValueEnumeration = enumeratedAttributeValues[attrName.toLowerCase()];
		if (!attrValueEnumeration) {
		return false;
		}
		else {
		return (-1 === attrValueEnumeration.indexOf(attrValue.toLowerCase()));
		}
		return isSimpleBoolean(attrName) \|\| attrName === 'draggable' && !isBooleanValue(attrValue);
		}
		@@ -330,2 +327,5 @@
		}
		else if (tag === 'script' && attrName === 'type') {
		attrValue = trimWhitespace(attrValue.replace(/\s;\s/g, ';'));
		}
		return attrValue;
		@@ -361,6 +361,6 @@ }

		function cleanConditionalComment(comment) {
		return comment
		.replace(/^(\[[^\]]+\]>)\s*/, '$1')
		.replace(/\s*(<!\[endif\])$/, '$1');
		function cleanConditionalComment(comment, options) {
		return comment.replace(/^(\[if\s[^\]]+\]>)([\s\S]*?)(<!\[endif\])$/, function(match, prefix, text, suffix) {
		return prefix + minify(text, options, true) + suffix;
		});
		}
		@@ -403,2 +403,3 @@
		// - </rb>, </rt>, </rtc>, </rp> & </tfoot> follow http://www.w3.org/TR/html5/syntax.html#optional-tags
		// - retain all tags which are adjacent to non-standard HTML tags
		var optionalStartTags = createMapFromString('html,head,body,colgroup,tbody');
		@@ -419,2 +420,4 @@ var optionalEndTags = createMapFromString('html,head,body,li,dt,dd,p,rb,rt,rtc,rp,optgroup,option,colgroup,caption,thead,tbody,tfoot,tr,td,th');
		var looseTags = createMapFromString('head,colgroup,caption');
		var trailingTags = createMapFromString('dt,thead');
		var htmlTags = createMapFromString('a,abbr,acronym,address,applet,area,article,aside,audio,b,base,basefont,bdi,bdo,bgsound,big,blink,blockquote,body,br,button,canvas,caption,center,cite,code,col,colgroup,command,content,data,datalist,dd,del,details,dfn,dialog,dir,div,dl,dt,element,em,embed,fieldset,figcaption,figure,font,footer,form,frame,frameset,h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,i,iframe,image,img,input,ins,isindex,kbd,keygen,label,legend,li,link,listing,main,map,mark,marquee,menu,menuitem,meta,meter,multicol,nav,nobr,noembed,noframes,noscript,object,ol,optgroup,option,output,p,param,picture,plaintext,pre,progress,q,rp,rt,rtc,ruby,s,samp,script,section,select,shadow,small,source,spacer,span,strike,strong,style,sub,summary,sup,table,tbody,td,template,textarea,tfoot,th,thead,time,title,tr,track,tt,u,ul,var,video,wbr,xmp');

		@@ -497,15 +500,38 @@ function canRemoveParentTag(optionalStartTag, tag) {

		function canRemoveElement(tag, attrs) {
		if (tag === 'textarea') {
		return false;
		function hasAttrName(name, attrs) {
		for (var i = attrs.length - 1; i >= 0; i--) {
		if (attrs[i].name === name) {
		return true;
		}
		}
		return false;
		}

		if (tag === 'script') {
		for (var i = attrs.length - 1; i >= 0; i--) {
		if (attrs[i].name === 'src') {
		function canRemoveElement(tag, attrs) {
		switch (tag) {
		case 'textarea':
		return false;
		case 'audio':
		case 'script':
		case 'video':
		if (hasAttrName('src', attrs)) {
		return false;
		}
		}
		break;
		case 'iframe':
		if (hasAttrName('src', attrs) \|\| hasAttrName('srcdoc', attrs)) {
		return false;
		}
		break;
		case 'object':
		if (hasAttrName('data', attrs)) {
		return false;
		}
		break;
		case 'applet':
		if (hasAttrName('code', attrs)) {
		return false;
		}
		break;
		}

		return true;
		@@ -580,3 +606,3 @@ }
		if (attrValue === undefined \|\| (options.collapseBooleanAttributes &&
		isBooleanAttribute(attrName, attrValue))) {
		isBooleanAttribute(attrName.toLowerCase(), attrValue.toLowerCase()))) {
		attrFragment = attrName;
		@@ -594,6 +620,8 @@ if (!isLast) {

		function setDefaultTesters(options) {
		function processOptions(options) {
		if (!('includeAutoGeneratedTags' in options)) {
		options.includeAutoGeneratedTags = true;
		}

		var defaultTesters = ['canCollapseWhitespace', 'canTrimWhitespace'];

		for (var i = 0, len = defaultTesters.length; i < len; i++) {
		@@ -606,119 +634,97 @@ if (!options[defaultTesters[i]]) {
		}
		}

		function minifyURLs(text, options) {
		if (typeof options !== 'object') {
		options = { };
		if (options.minifyURLs && typeof options.minifyURLs !== 'object') {
		options.minifyURLs = { };
		}

		try {
		// try to get global reference first
		var __RelateUrl = global.RelateUrl;

		if (typeof __RelateUrl === 'undefined' && typeof require === 'function') {
		__RelateUrl = require('relateurl');
		if (options.minifyJS) {
		if (typeof options.minifyJS !== 'object') {
		options.minifyJS = { };
		}
		options.minifyJS.fromString = true;
		(options.minifyJS.output \|\| (options.minifyJS.output = { })).inline_script = true;
		}

		// noop
		if (!__RelateUrl) {
		return text;
		if (options.minifyCSS) {
		if (typeof options.minifyCSS !== 'object') {
		options.minifyCSS = { };
		}

		if (__RelateUrl.relate) {
		return __RelateUrl.relate(text, options);
		if (typeof options.minifyCSS.advanced === 'undefined') {
		options.minifyCSS.advanced = false;
		}
		else {
		return text;
		}
		}
		catch (err) {
		log(err);
		}
		}

		function noop(text) {
		return text;
		}

		function minifyJS(text, options) {
		if (typeof options !== 'object') {
		options = { };
		function getModule(name, path) {
		// try to get global reference first
		var result = global[name];
		if (typeof result === 'undefined' && typeof require === 'function') {
		result = require(path);
		}
		options.fromString = true;
		var outputOptions = options.output \|\| {};
		outputOptions.inline_script = true;
		options.output = outputOptions;
		return result;
		}

		try {
		// try to get global reference first
		var __UglifyJS = global.UglifyJS;

		if (typeof __UglifyJS === 'undefined' && typeof require === 'function') {
		__UglifyJS = require('uglify-js');
		}

		// noop
		if (!__UglifyJS) {
		return text;
		}

		if (__UglifyJS.minify) {
		return __UglifyJS.minify(text, options).code;
		}
		else if (__UglifyJS.parse) {

		var ast = __UglifyJS.parse(text);
		ast.figure_out_scope();

		var compressor = __UglifyJS.Compressor();
		var compressedAst = ast.transform(compressor);

		compressedAst.figure_out_scope();
		compressedAst.compute_char_frequency();

		if (options.mangle !== false) {
		compressedAst.mangle_names();
		var minifyURLs = (function() {
		var RelateUrl = getModule('RelateUrl', 'relateurl');
		if (RelateUrl && RelateUrl.relate) {
		return function(text, options) {
		try {
		return RelateUrl.relate(text, options);
		}

		var stream = __UglifyJS.OutputStream(options.output);
		compressedAst.print(stream);

		return stream.toString();
		}
		else {
		return text;
		}
		catch (err) {
		log(err);
		return text;
		}
		};
		}
		catch (err) {
		log(err);
		else {
		return noop;
		}
		return text;
		}
		})();

		function minifyCSS(text, options, inline) {
		if (typeof options !== 'object') {
		options = { };
		var minifyJS = (function() {
		var UglifyJS = getModule('UglifyJS', 'uglify-js');
		if (UglifyJS && UglifyJS.minify) {
		return function(text, options) {
		try {
		return UglifyJS.minify(text, options).code;
		}
		catch (err) {
		log(err);
		return text;
		}
		};
		}
		if (typeof options.advanced === 'undefined') {
		options.advanced = false;
		else {
		return noop;
		}
		try {
		var cleanCSS;
		})();

		if (typeof CleanCSS !== 'undefined') {
		cleanCSS = new CleanCSS(options);
		}
		else if (typeof require === 'function') {
		var CleanCSSModule = require('clean-css');
		cleanCSS = new CleanCSSModule(options);
		}
		if (inline) {
		return unwrapCSS(cleanCSS.minify(wrapCSS(text)).styles);
		}
		else {
		return cleanCSS.minify(text).styles;
		}
		var minifyCSS = (function() {
		var CleanCSS = getModule('CleanCSS', 'clean-css');
		if (CleanCSS) {
		return function(text, options, inline) {
		try {
		var cleanCSS = new CleanCSS(options);
		if (inline) {
		return unwrapCSS(cleanCSS.minify(wrapCSS(text)).styles);
		}
		else {
		return cleanCSS.minify(text).styles;
		}
		}
		catch (err) {
		log(err);
		return text;
		}
		};
		}
		catch (err) {
		log(err);
		else {
		return noop;
		}
		return text;
		}
		})();

		@@ -733,14 +739,12 @@ function uniqueId(value) {

		function minify(value, options) {

		function minify(value, options, partialMarkup) {
		options = options \|\| {};
		var optionsStack = [];
		processOptions(options);
		value = options.collapseWhitespace ? trimWhitespace(value) : value;

		value = trimWhitespace(value);
		setDefaultTesters(options);

		var results = [ ],
		buffer = [ ],
		var buffer = [ ],
		charsPrevTag,
		currentChars = '',
		hasChars,
		currentTag = '',
		@@ -759,13 +763,14 @@ currentAttrs = [],

		if (~value.indexOf('<!-- htmlmin:ignore -->')) {
		uidIgnore = '<!--!' + uniqueId(value) + '-->';
		// temporarily replace ignored chunks with comments,
		// so that we don't have to worry what's there.
		// for all we care there might be
		// completely-horribly-broken-alien-non-html-emoj-cthulhu-filled content
		value = value.replace(/<!-- htmlmin:ignore -->([\s\S]*?)<!-- htmlmin:ignore -->/g, function(match, group1) {
		ignoredMarkupChunks.push(group1);
		return uidIgnore;
		});
		}
		// temporarily replace ignored chunks with comments,
		// so that we don't have to worry what's there.
		// for all we care there might be
		// completely-horribly-broken-alien-non-html-emoj-cthulhu-filled content
		value = value.replace(/<!-- htmlmin:ignore -->([\s\S]*?)<!-- htmlmin:ignore -->/g, function(match, group1) {
		if (!uidIgnore) {
		uidIgnore = '<!--!' + uniqueId(value) + '-->';
		}
		var token = uidIgnore + ignoredMarkupChunks.length;
		ignoredMarkupChunks.push(group1);
		return token;
		});

		@@ -779,3 +784,3 @@ var customFragments = (options.ignoreCustomFragments \|\| [
		if (customFragments.length) {
		var reCustomIgnore = new RegExp('\\s(?:' + customFragments.join('\|') + ')\\s', 'g');
		var reCustomIgnore = new RegExp('\\s(?:' + customFragments.join('\|') + ')+\\s', 'g');
		// temporarily replace custom ignored fragments with unique attributes
		@@ -786,4 +791,5 @@ value = value.replace(reCustomIgnore, function(match) {
		}
		var token = uidAttr + ignoredCustomMarkupChunks.length;
		ignoredCustomMarkupChunks.push(match);
		return ' ' + uidAttr + ' ';
		return '\t' + token + '\t';
		});
		@@ -813,6 +819,26 @@ }
		}
		buffer.length = index;
		buffer.length = Math.max(0, index);
		}

		// look for trailing whitespaces from previously processed text
		// which may not be trimmed due to a following comment or an empty
		// element which has now been removed
		function squashTrailingWhitespace(nextTag) {
		var charsIndex;
		if (buffer.length > 1 && /^(?:<!\|$)/.test(buffer[buffer.length - 1]) &&
		/\s$/.test(buffer[buffer.length - 2])) {
		charsIndex = buffer.length - 2;
		}
		else if (buffer.length > 0 && /\s$/.test(buffer[buffer.length - 1])) {
		charsIndex = buffer.length - 1;
		}
		if (charsIndex > 0) {
		buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(text) {
		return collapseWhitespaceSmart(text, 'comment', nextTag, options);
		});
		}
		}

		new HTMLParser(value, {
		partialMarkup: partialMarkup,
		html5: typeof options.html5 !== 'undefined' ? options.html5 : true,
		@@ -838,3 +864,6 @@
		charsPrevTag = tag;
		currentChars = '';
		if (!inlineTextTags(tag)) {
		currentChars = '';
		}
		hasChars = false;
		currentAttrs = attrs;
		@@ -844,2 +873,3 @@
		if (optional) {
		var htmlTag = htmlTags(tag);
		// <html> may be omitted if first thing inside is not comment
		@@ -850,3 +880,3 @@ // <head> may be omitted if first thing inside is an element
		// <tbody> may be omitted if first thing inside is <tr>
		if (canRemoveParentTag(optionalStartTag, tag)) {
		if (htmlTag && canRemoveParentTag(optionalStartTag, tag)) {
		removeStartTag();
		@@ -856,3 +886,3 @@ }
		// end-tag-followed-by-start-tag omission rules
		if (canRemovePrecedingTag(optionalEndTag, tag)) {
		if (htmlTag && canRemovePrecedingTag(optionalEndTag, tag)) {
		removeEndTag();
		@@ -868,2 +898,5 @@ // <colgroup> cannot be omitted if preceding </colgroup> is omitted
		if (options.collapseWhitespace) {
		if (!stackNoTrimWhitespace.length) {
		squashTrailingWhitespace(tag);
		}
		if (!_canTrimWhitespace(tag, attrs)) {
		@@ -909,3 +942,3 @@ stackNoTrimWhitespace.push(tag);
		},
		end: function(tag, attrs) {
		end: function(tag, attrs, autoGenerated) {
		var lowerTag = tag.toLowerCase();
		@@ -915,16 +948,4 @@ if (lowerTag === 'svg') {
		}

		tag = options.caseSensitive ? tag : lowerTag;

		if (options.removeOptionalTags) {
		// </html> or </body> may be omitted if not followed by comment
		// </head> may be omitted if not followed by space or comment
		// </p> may be omitted if no more content in non-</a> parent
		// except for </dt> or </thead>, end tags may be omitted if no more content in parent element
		if (optionalEndTag && optionalEndTag !== 'dt' && optionalEndTag !== 'thead' && (optionalEndTag !== 'p' \|\| !pInlineTags(tag))) {
		removeEndTag();
		}
		optionalEndTag = optionalEndTags(tag) ? tag : '';
		}

		// check if current tag is in a whitespace stack
		@@ -938,14 +959,3 @@ if (options.collapseWhitespace) {
		else {
		var charsIndex;
		if (buffer.length > 1 && buffer[buffer.length - 1] === '' && /\s+$/.test(buffer[buffer.length - 2])) {
		charsIndex = buffer.length - 2;
		}
		else if (buffer.length > 0 && /\s+$/.test(buffer[buffer.length - 1])) {
		charsIndex = buffer.length - 1;
		}
		if (charsIndex > 0) {
		buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(text) {
		return collapseWhitespaceSmart(text, 'comment', '/' + tag, options);
		});
		}
		squashTrailingWhitespace('/' + tag);
		}
		@@ -961,4 +971,21 @@ if (stackNoCollapseWhitespace.length &&
		currentTag = '';
		isElementEmpty = currentChars === '';
		isElementEmpty = !hasChars;
		}

		if (options.removeOptionalTags) {
		// <html>, <head> or <body> may be omitted if the element is empty
		if (isElementEmpty && topLevelTags(optionalStartTag)) {
		removeStartTag();
		}
		optionalStartTag = '';
		// </html> or </body> may be omitted if not followed by comment
		// </head> may be omitted if not followed by space or comment
		// </p> may be omitted if no more content in non-</a> parent
		// except for </dt> or </thead>, end tags may be omitted if no more content in parent element
		if (htmlTags(tag) && optionalEndTag && !trailingTags(optionalEndTag) && (optionalEndTag !== 'p' \|\| !pInlineTags(tag))) {
		removeEndTag();
		}
		optionalEndTag = optionalEndTags(tag) ? tag : '';
		}

		if (options.removeEmptyElements && isElementEmpty && canRemoveElement(tag, attrs)) {
		@@ -972,6 +999,9 @@ // remove last "element" from buffer
		// push out everything but the end tag
		results.push.apply(results, buffer);
		buffer = ['</' + tag + '>'];
		if (options.includeAutoGeneratedTags \|\| !autoGenerated) {
		buffer.push('</' + tag + '>');
		}
		charsPrevTag = '/' + tag;
		currentChars = '';
		if (!inlineTextTags(tag)) {
		currentChars = '';
		}
		}
		@@ -989,3 +1019,3 @@ },
		}
		if (buffer.length > 1 && (removed \|\| currentChars.charAt(currentChars.length - 1) === ' ')) {
		if (buffer.length > 1 && (removed \|\| / $/.test(currentChars))) {
		var charsIndex = buffer.length - 2;
		@@ -998,3 +1028,18 @@ buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(trailingSpaces) {
		}
		if (prevTag && inlineTextTags(prevTag.charAt(0) === '/' ? prevTag.slice(1) : prevTag)) {
		text = collapseWhitespace(text, options, /(?:^\|\s)$/.test(currentChars));
		}
		text = prevTag \|\| nextTag ? collapseWhitespaceSmart(text, prevTag, nextTag, options) : trimWhitespace(text);
		if (!text && /\s$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {
		for (var index = buffer.length - 2, endTag = prevTag.slice(1); index >= 0 && _canTrimWhitespace(endTag); index--) {
		var str = buffer[index];
		var match = str.match(/^<\/([\w:-]+)>$/);
		if (match) {
		endTag = match[1];
		}
		else if (/>$/.test(str) \|\| (buffer[index] = collapseWhitespaceSmart(str, null, nextTag, options))) {
		break;
		}
		}
		}
		}
		@@ -1041,2 +1086,5 @@ if (!stackNoCollapseWhitespace.length) {
		currentChars += text;
		if (text) {
		hasChars = true;
		}
		if (lint) {
		@@ -1050,7 +1098,7 @@ lint.testChars(text);
		var suffix = nonStandard ? '>' : '-->';
		if (options.removeComments) {
		if (isConditionalComment(text)) {
		text = prefix + cleanConditionalComment(text) + suffix;
		}
		else if (isIgnoredComment(text, options)) {
		if (isConditionalComment(text)) {
		text = prefix + cleanConditionalComment(text, options) + suffix;
		}
		else if (options.removeComments) {
		if (isIgnoredComment(text, options)) {
		text = '<!--' + text + '-->';
		@@ -1086,3 +1134,3 @@ }
		// except for </dt> or </thead>, end tags may be omitted if no more content in parent element
		if (optionalEndTag && optionalEndTag !== 'dt' && optionalEndTag !== 'thead') {
		if (optionalEndTag && !trailingTags(optionalEndTag)) {
		removeEndTag();
		@@ -1092,17 +1140,27 @@ }

		results.push.apply(results, buffer);
		var str = joinResultSegments(results, options);
		var str = joinResultSegments(buffer, options);

		if (uidAttr) {
		str = str.replace(new RegExp('(\\s)' + uidAttr + '(\\s)', 'g'), function(match, prefix, suffix) {
		var chunk = ignoredCustomMarkupChunks.shift();
		return options.collapseWhitespace ? collapseWhitespace(prefix + chunk + suffix, {
		preserveLineBreaks: options.preserveLineBreaks,
		conservativeCollapse: true
		}, true, true) : chunk;
		str = str.replace(new RegExp('(\\s)' + uidAttr + '([0-9]+)(\\s)', 'g'), function(match, prefix, index, suffix) {
		var chunk = ignoredCustomMarkupChunks[+index];
		if (options.collapseWhitespace) {
		if (prefix !== '\t') {
		chunk = prefix + chunk;
		}
		if (suffix !== '\t') {
		chunk += suffix;
		}
		return collapseWhitespace(chunk, {
		preserveLineBreaks: options.preserveLineBreaks,
		conservativeCollapse: true
		}, /^\s/.test(chunk), /\s$/.test(chunk));
		}
		else {
		return chunk;
		}
		});
		}
		if (uidIgnore) {
		str = str.replace(new RegExp(uidIgnore, 'g'), function() {
		return ignoredMarkupChunks.shift();
		str = str.replace(new RegExp(uidIgnore + '([0-9]+)', 'g'), function(match, index) {
		return ignoredMarkupChunks[+index];
		});
		@@ -1140,13 +1198,9 @@ }

		return trimWhitespace(str);
		return options.collapseWhitespace ? trimWhitespace(str) : str;
		}

		// for CommonJS enviroments, export everything
		if (typeof exports !== 'undefined') {
		exports.minify = minify;
		}
		else {
		global.minify = minify;
		}
		global.minify = function(value, options) {
		return minify(value, options);
		};

		}(typeof exports === 'undefined' ? this : exports));

356

src/htmlparser.js

		@@ -35,14 +35,33 @@ /*!
		// Regular Expressions for parsing tags and attributes
		var singleAttrIdentifier = /([\w:\.-]+)/,
		var singleAttrIdentifier = /([^\s"'<>\/=]+)/,
		singleAttrAssign = /=/,
		singleAttrAssigns = [ singleAttrAssign ],
		singleAttrValues = [
		/"((?:\\.\|[^"])*)"/.source, // attr value double quotes
		/'((?:\\.\|[^'])*)'/.source, // attr value, single quotes
		/([^>\s]+)/.source // attr value, no quotes
		// attr value double quotes
		/"([^"]*)"+/.source,
		// attr value, single quotes
		/'([^']*)'+/.source,
		// attr value, no quotes
		/([^\s"'=<>`]+)/.source
		],
		startTagOpen = /^<([\w:-]+)/,
		startTagClose = /\s*(\/?)>/,
		endTag = /^<\/([\w:-]+)[^>]*>/,
		endingSlash = /\/>$/,
		// https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
		qnameCapture = (function() {
		var ncname;
		if (typeof require === 'function') {
		ncname = require('ncname');
		}
		else {
		ncname = global.NCName;
		}
		if (ncname) {
		ncname = ncname.source.slice(1, -1);
		}
		else {
		ncname = '[:A-Za-z_][:\\w\\-\\.]*';
		}
		return '((?:' + ncname + '\\:)?' + ncname + ')';
		})(),
		startTagOpen = new RegExp('^<' + qnameCapture),
		startTagClose = /^\s*(\/?)>/,
		endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>'),
		doctype = /^<!DOCTYPE [^>]+>/i;
		@@ -71,71 +90,25 @@

		var reCache = {}, stackedTag, reStackedTag, tagMatch;
		// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
		var phrasingOnly = makeMap('abbr,b,bdi,bdo,button,cite,code,data,dfn,em,h1,h2,h3,h4,h5,h6,i,kbd,label,legend,mark,meter,output,p,pre,progress,q,rp,rt,s,samp,small,span,strong,sub,sup,time,u,var');
		var phrasing = makeMap('a,abbr,area,audio,b,bdi,bdo,br,button,canvas,cite,code,data,datalist,del,dfn,em,embed,i,iframe,img,input,ins,kbd,keygen,label,link,main,map,mark,math,menu,meter,nav,noscript,object,ol,output,p,picture,pre,progress,q,ruby,s,samp,script,section,select,small,span,strong,sub,sup,svg,table,template,textarea,time,u,ul,var,video,wbr');

		function startTagForHandler( handler ) {
		var customStartTagAttrs;
		var reCache = {};

		var startTagAttrs = new RegExp(
		'(?:\\s*[\\w:\\.-]+'
		+ '(?:\\s*'
		+ '(?:' + joinSingleAttrAssigns(handler) + ')'
		+ '\\s(?:(?:"[^"]")\|(?:\'[^\']*\')\|[^>\\s]+)'
		+ ')?'
		+ ')*'
		);

		if ( handler.customAttrSurround ) {
		function attrForHandler(handler) {
		var pattern = singleAttrIdentifier.source
		+ '(?:\\s*(' + joinSingleAttrAssigns(handler) + ')'
		+ '\\s*(?:' + singleAttrValues.join('\|') + '))?';
		if (handler.customAttrSurround) {
		var attrClauses = [];

		for ( var i = handler.customAttrSurround.length - 1; i >= 0; i-- ) {
		// Capture the custom attribute opening and closing markup surrounding the standard attribute rules
		attrClauses[i] = '(?:\\s*'
		+ handler.customAttrSurround[i][0].source
		+ '\\s*'
		+ startTagAttrs.source
		+ '\\s*'
		+ handler.customAttrSurround[i][1].source
		+ ')';
		}
		attrClauses.unshift(startTagAttrs.source);

		customStartTagAttrs = new RegExp(
		'((?:' + attrClauses.join('\|') + ')*)'
		);
		}
		else {
		// No custom attribute wrappers specified, so just capture the standard attribute rules
		customStartTagAttrs = new RegExp('(' + startTagAttrs.source + ')');
		}

		return new RegExp(startTagOpen.source + customStartTagAttrs.source + startTagClose.source);
		}

		function attrForHandler( handler ) {
		var singleAttr = new RegExp(
		singleAttrIdentifier.source
		+ '(?:\\s*'
		+ '(' + joinSingleAttrAssigns( handler ) + ')'
		+ '\\s*'
		+ '(?:'
		+ singleAttrValues.join('\|')
		+ ')'
		+ ')?'
		);

		if ( handler.customAttrSurround ) {
		var attrClauses = [];
		for ( var i = handler.customAttrSurround.length - 1; i >= 0; i-- ) {
		attrClauses[i] = '(?:'
		+ '(' + handler.customAttrSurround[i][0].source + ')\\s*'
		+ singleAttr.source
		+ pattern
		+ '\\s*(' + handler.customAttrSurround[i][1].source + ')'
		+ ')';
		}
		attrClauses.unshift('(?:' + singleAttr.source + ')');

		return new RegExp(attrClauses.join('\|'), 'g');
		attrClauses.push('(?:' + pattern + ')');
		pattern = '(?:' + attrClauses.join('\|') + ')';
		}
		else {
		return new RegExp(singleAttr.source, 'g');
		}
		return new RegExp('^\\s*' + pattern);
		}
		@@ -152,89 +125,88 @@
		var HTMLParser = global.HTMLParser = function( html, handler ) {
		var index, match, stack = [], last = html, prevTag, nextTag;
		stack.last = function() {
		var last = this[ this.length - 1 ];
		return last && last.tag;
		};

		var startTag = startTagForHandler(handler);
		var attr = attrForHandler(handler);

		var stack = [], lastTag;
		var attribute = attrForHandler(handler);
		var last, prevTag, nextTag;
		while ( html ) {
		last = html;
		// Make sure we're not in a script or style element
		if ( !stack.last() \|\| !special[ stack.last() ] ) {
		if ( !lastTag \|\| !special[ lastTag ] ) {
		var textEnd = html.indexOf('<');
		if (textEnd === 0) {
		// Comment:
		if ( /^<!--/.test( html ) ) {
		var commentEnd = html.indexOf('-->');

		// Comment:
		if ( /^<!--/.test( html ) ) {
		index = html.indexOf('-->');

		if ( index >= 0 ) {
		if ( handler.comment ) {
		handler.comment( html.substring( 4, index ) );
		if ( commentEnd >= 0 ) {
		if ( handler.comment ) {
		handler.comment( html.substring( 4, commentEnd ) );
		}
		html = html.substring( commentEnd + 3 );
		prevTag = '';
		continue;
		}
		html = html.substring( index + 3 );
		prevTag = '';
		continue;
		}
		}

		// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
		if ( /^<!\[/.test( html ) ) {
		index = html.indexOf(']>');
		// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
		if ( /^<!\[/.test( html ) ) {
		var conditionalEnd = html.indexOf(']>');

		if (index >= 0) {
		if ( handler.comment ) {
		handler.comment( html.substring(2, index + 1 ), true /* non-standard */ );
		if (conditionalEnd >= 0) {
		if ( handler.comment ) {
		handler.comment( html.substring(2, conditionalEnd + 1 ), true /* non-standard */ );
		}
		html = html.substring( conditionalEnd + 2 );
		prevTag = '';
		continue;
		}
		html = html.substring( index + 2 );
		}

		// Doctype:
		var doctypeMatch = html.match( doctype );
		if ( doctypeMatch ) {
		if ( handler.doctype ) {
		handler.doctype( doctypeMatch[0] );
		}
		html = html.substring( doctypeMatch[0].length );
		prevTag = '';
		continue;
		}
		}

		// Doctype:
		if ( (match = doctype.exec( html )) ) {
		if ( handler.doctype ) {
		handler.doctype( match[0] );
		// End tag:
		var endTagMatch = html.match( endTag );
		if ( endTagMatch ) {
		html = html.substring( endTagMatch[0].length );
		endTagMatch[0].replace( endTag, parseEndTag );
		prevTag = '/' + endTagMatch[1].toLowerCase();
		continue;
		}
		html = html.substring( match[0].length );
		prevTag = '';
		continue;
		}

		// End tag:
		if ( /^<\//.test( html ) ) {
		match = html.match( endTag );
		if ( match ) {
		html = html.substring( match[0].length );
		match[0].replace( endTag, parseEndTag );
		prevTag = '/' + match[1].toLowerCase();
		// Start tag:
		var startTagMatch = parseStartTag(html);
		if ( startTagMatch ) {
		html = startTagMatch.rest;
		handleStartTag(startTagMatch);
		prevTag = startTagMatch.tagName.toLowerCase();
		continue;
		}
		}

		var text;
		if (textEnd >= 0) {
		text = html.substring( 0, textEnd );
		html = html.substring( textEnd );
		}
		// Start tag:
		if ( /^</.test( html ) ) {
		match = html.match( startTag );
		if ( match ) {
		html = html.substring( match[0].length );
		match[0].replace( startTag, parseStartTag );
		prevTag = match[1].toLowerCase();
		continue;
		}
		else {
		text = html;
		html = '';
		}

		index = html.indexOf('<');

		var text = index < 0 ? html : html.substring( 0, index );
		html = index < 0 ? '' : html.substring( index );

		// next tag
		tagMatch = html.match( startTag );
		if (tagMatch) {
		nextTag = tagMatch[1];
		var nextTagMatch = parseStartTag(html);
		if (nextTagMatch) {
		nextTag = nextTagMatch.tagName;
		}
		else {
		tagMatch = html.match( endTag );
		if (tagMatch) {
		nextTag = '/' + tagMatch[1];
		nextTagMatch = html.match( endTag );
		if (nextTagMatch) {
		nextTag = '/' + nextTagMatch[1];
		}
		@@ -253,6 +225,5 @@ else {
		else {
		var stackedTag = lastTag.toLowerCase();
		var reStackedTag = reCache[stackedTag] \|\| (reCache[stackedTag] = new RegExp('([\\s\\S]?)<\/' + stackedTag + '[^>]>', 'i'));

		stackedTag = stack.last().toLowerCase();
		reStackedTag = reCache[stackedTag] \|\| (reCache[stackedTag] = new RegExp('([\\s\\S]?)<\/' + stackedTag + '[^>]>', 'i'));

		html = html.replace(reStackedTag, function(all, text) {
		@@ -272,3 +243,3 @@ if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') {

		parseEndTag( '', stackedTag );
		parseEndTag( '</' + stackedTag + '>', stackedTag );
		}
		@@ -279,24 +250,51 @@
		}
		last = html;
		}

		// Clean up any remaining tags
		parseEndTag();
		if (!handler.partialMarkup) {
		// Clean up any remaining tags
		parseEndTag();
		}

		function parseStartTag( tag, tagName, rest, unary ) {
		var unarySlash = false;
		function parseStartTag(input) {
		var start = input.match(startTagOpen);
		if (start) {
		var match = {
		tagName: start[1],
		attrs: []
		};
		input = input.slice(start[0].length);
		var end, attr;
		while (!(end = input.match(startTagClose)) && (attr = input.match(attribute))) {
		input = input.slice(attr[0].length);
		match.attrs.push(attr);
		}
		if (end) {
		match.unarySlash = end[1];
		match.rest = input.slice(end[0].length);
		return match;
		}
		}
		}

		while ( !handler.html5 && stack.last() && inline[ stack.last() ]) {
		parseEndTag( '', stack.last() );
		function handleStartTag(match) {
		var tagName = match.tagName;
		var unarySlash = match.unarySlash;

		if (handler.html5 && lastTag && phrasingOnly[lastTag] && !phrasing[tagName]) {
		parseEndTag( '', lastTag );
		}

		if ( closeSelf[ tagName ] && stack.last() === tagName ) {
		if (!handler.html5) {
		while (lastTag && inline[ lastTag ]) {
		parseEndTag( '', lastTag );
		}
		}

		if ( closeSelf[ tagName ] && lastTag === tagName ) {
		parseEndTag( '', tagName );
		}

		unary = empty[ tagName ] \|\| !!unary;
		var unary = empty[ tagName ] \|\| tagName === 'html' && lastTag === 'head' \|\| !!unarySlash;

		var attrs = [];

		rest.replace(attr, function () {
		var attrs = match.attrs.map(function(args) {
		var name, value, fallbackValue, customOpen, customClose, customAssign, quote;
		@@ -306,31 +304,19 @@ var ncp = 7; // number of captured parts, scalar
		// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
		if (IS_REGEX_CAPTURING_BROKEN && arguments[0].indexOf('""') === -1) {
		if (arguments[3] === '') { arguments[3] = undefined; }
		if (arguments[4] === '') { arguments[4] = undefined; }
		if (arguments[5] === '') { arguments[5] = undefined; }
		if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
		if (args[3] === '') { args[3] = undefined; }
		if (args[4] === '') { args[4] = undefined; }
		if (args[5] === '') { args[5] = undefined; }
		}

		name = arguments[1];
		if ( name ) {
		customAssign = arguments[2];
		fallbackValue = arguments[3];
		value = fallbackValue \|\| arguments[4] \|\| arguments[5];

		if (customAssign) {
		quote = arguments[0].charAt(name.length + customAssign.length);
		quote = (quote === '\'' \|\| quote === '"') ? quote : '';
		}

		}
		else if ( handler.customAttrSurround ) {
		for ( var i = handler.customAttrSurround.length - 1; i >= 0; i-- ) {
		name = arguments[i * ncp + 7];
		customAssign = arguments[i * ncp + 8];
		if ( name ) {
		fallbackValue = arguments[i * ncp + 9];
		value = fallbackValue
		\|\| arguments[i * ncp + 10]
		\|\| arguments[i * ncp + 11];
		customOpen = arguments[i * ncp + 6];
		customClose = arguments[i * ncp + 12];
		var j = 1;
		if (handler.customAttrSurround) {
		for (var i = 0, l = handler.customAttrSurround.length; i < l; i++, j += ncp) {
		name = args[j + 1];
		customAssign = args[j + 2];
		if (name) {
		fallbackValue = args[j + 3];
		value = fallbackValue \|\| args[j + 4] \|\| args[j + 5];
		quote = fallbackValue ? '"' : value ? '\'' : '';
		customOpen = args[j];
		customClose = args[j + 6];
		break;
		@@ -341,7 +327,14 @@ }

		if ( value === undefined ) {
		if (!name && (name = args[j])) {
		customAssign = args[j + 1];
		fallbackValue = args[j + 2];
		value = fallbackValue \|\| args[j + 3] \|\| args[j + 4];
		quote = fallbackValue ? '"' : value ? '\'' : '';
		}

		if (value === undefined) {
		value = fillAttrs[name] ? name : fallbackValue;
		}

		attrs.push({
		return {
		name: name,
		@@ -353,3 +346,3 @@ value: value,
		quote: quote \|\| ''
		});
		};
		});
		@@ -359,8 +352,6 @@
		stack.push( { tag: tagName, attrs: attrs } );
		lastTag = tagName;
		unarySlash = '';
		}
		else {
		unarySlash = tag.match( endingSlash );
		}


		if ( handler.start ) {
		@@ -392,3 +383,3 @@ handler.start( tagName, attrs, unary, unarySlash );
		if ( handler.end ) {
		handler.end( stack[ i ].tag, stack[ i ].attrs );
		handler.end( stack[ i ].tag, stack[ i ].attrs, i > pos \|\| !tag );
		}
		@@ -399,2 +390,3 @@ }
		stack.length = pos;
		lastTag = pos && stack[ pos - 1 ].tag;
		}
		@@ -401,0 +393,0 @@ }

sample-cli-config-file.conf

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