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-rw-r--r--node_modules/html-minifier/src/htmlminifier.js1325
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diff --git a/node_modules/html-minifier/src/htmlminifier.js b/node_modules/html-minifier/src/htmlminifier.js
deleted file mode 100644
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--- a/node_modules/html-minifier/src/htmlminifier.js
+++ /dev/null
@@ -1,1325 +0,0 @@
-'use strict';
-
-var CleanCSS = require('clean-css');
-var decode = require('he').decode;
-var HTMLParser = require('./htmlparser').HTMLParser;
-var RelateUrl = require('relateurl');
-var TokenChain = require('./tokenchain');
-var UglifyJS = require('uglify-js');
-var utils = require('./utils');
-
-function trimWhitespace(str) {
- return str && str.replace(/^[ \n\r\t\f]+/, '').replace(/[ \n\r\t\f]+$/, '');
-}
-
-function collapseWhitespaceAll(str) {
- // Non-breaking space is specifically handled inside the replacer function here:
- return str && str.replace(/[ \n\r\t\f\xA0]+/g, function(spaces) {
- return spaces === '\t' ? '\t' : spaces.replace(/(^|\xA0+)[^\xA0]+/g, '$1 ');
- });
-}
-
-function collapseWhitespace(str, options, trimLeft, trimRight, collapseAll) {
- var lineBreakBefore = '', lineBreakAfter = '';
-
- if (options.preserveLineBreaks) {
- str = str.replace(/^[ \n\r\t\f]*?[\n\r][ \n\r\t\f]*/, function() {
- lineBreakBefore = '\n';
- return '';
- }).replace(/[ \n\r\t\f]*?[\n\r][ \n\r\t\f]*$/, function() {
- lineBreakAfter = '\n';
- return '';
- });
- }
-
- if (trimLeft) {
- // Non-breaking space is specifically handled inside the replacer function here:
- str = str.replace(/^[ \n\r\t\f\xA0]+/, function(spaces) {
- var conservative = !lineBreakBefore && options.conservativeCollapse;
- if (conservative && spaces === '\t') {
- return '\t';
- }
- return spaces.replace(/^[^\xA0]+/, '').replace(/(\xA0+)[^\xA0]+/g, '$1 ') || (conservative ? ' ' : '');
- });
- }
-
- if (trimRight) {
- // Non-breaking space is specifically handled inside the replacer function here:
- str = str.replace(/[ \n\r\t\f\xA0]+$/, function(spaces) {
- var conservative = !lineBreakAfter && options.conservativeCollapse;
- if (conservative && spaces === '\t') {
- return '\t';
- }
- return spaces.replace(/[^\xA0]+(\xA0+)/g, ' $1').replace(/[^\xA0]+$/, '') || (conservative ? ' ' : '');
- });
- }
-
- if (collapseAll) {
- // strip non space whitespace then compress spaces to one
- str = collapseWhitespaceAll(str);
- }
-
- return lineBreakBefore + str + lineBreakAfter;
-}
-
-var createMapFromString = utils.createMapFromString;
-// 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,label,mark,math,nobr,object,q,rp,rt,rtc,ruby,s,samp,select,small,span,strike,strong,sub,sup,svg,textarea,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,nobr,rp,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,wbr');
-
-function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
- 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);
-}
-
-function isConditionalComment(text) {
- return /^\[if\s[^\]]+]|\[endif]$/.test(text);
-}
-
-function isIgnoredComment(text, options) {
- for (var i = 0, len = options.ignoreCustomComments.length; i < len; i++) {
- if (options.ignoreCustomComments[i].test(text)) {
- return true;
- }
- }
- return false;
-}
-
-function isEventAttribute(attrName, options) {
- var patterns = options.customEventAttributes;
- if (patterns) {
- for (var i = patterns.length; i--;) {
- if (patterns[i].test(attrName)) {
- return true;
- }
- }
- return false;
- }
- return /^on[a-z]{3,}$/.test(attrName);
-}
-
-function canRemoveAttributeQuotes(value) {
- // https://mathiasbynens.be/notes/unquoted-attribute-values
- return /^[^ \t\n\f\r"'`=<>]+$/.test(value);
-}
-
-function attributesInclude(attributes, attribute) {
- for (var i = attributes.length; i--;) {
- if (attributes[i].name.toLowerCase() === attribute) {
- return true;
- }
- }
- return false;
-}
-
-function isAttributeRedundant(tag, attrName, attrValue, attrs) {
- attrValue = attrValue ? trimWhitespace(attrValue.toLowerCase()) : '';
-
- return (
- tag === 'script' &&
- attrName === 'language' &&
- attrValue === 'javascript' ||
-
- tag === 'form' &&
- attrName === 'method' &&
- attrValue === 'get' ||
-
- tag === 'input' &&
- attrName === 'type' &&
- attrValue === 'text' ||
-
- tag === 'script' &&
- attrName === 'charset' &&
- !attributesInclude(attrs, 'src') ||
-
- tag === 'a' &&
- attrName === 'name' &&
- attributesInclude(attrs, 'id') ||
-
- tag === 'area' &&
- attrName === 'shape' &&
- attrValue === 'rect'
- );
-}
-
-// https://mathiasbynens.be/demo/javascript-mime-type
-// https://developer.mozilla.org/en/docs/Web/HTML/Element/script#attr-type
-var executableScriptsMimetypes = utils.createMap([
- 'text/javascript',
- 'text/ecmascript',
- 'text/jscript',
- 'application/javascript',
- 'application/x-javascript',
- 'application/ecmascript'
-]);
-
-function isScriptTypeAttribute(attrValue) {
- attrValue = trimWhitespace(attrValue.split(/;/, 2)[0]).toLowerCase();
- return attrValue === '' || executableScriptsMimetypes(attrValue);
-}
-
-function isExecutableScript(tag, attrs) {
- if (tag !== 'script') {
- return false;
- }
- for (var i = 0, len = attrs.length; i < len; i++) {
- var attrName = attrs[i].name.toLowerCase();
- if (attrName === 'type') {
- return isScriptTypeAttribute(attrs[i].value);
- }
- }
- return true;
-}
-
-function isStyleLinkTypeAttribute(attrValue) {
- attrValue = trimWhitespace(attrValue).toLowerCase();
- return attrValue === '' || attrValue === 'text/css';
-}
-
-function isStyleSheet(tag, attrs) {
- if (tag !== 'style') {
- return false;
- }
- for (var i = 0, len = attrs.length; i < len; i++) {
- var attrName = attrs[i].name.toLowerCase();
- if (attrName === 'type') {
- return isStyleLinkTypeAttribute(attrs[i].value);
- }
- }
- return true;
-}
-
-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) {
- return isSimpleBoolean(attrName) || attrName === 'draggable' && !isBooleanValue(attrValue);
-}
-
-function isUriTypeAttribute(attrName, tag) {
- return (
- /^(?:a|area|link|base)$/.test(tag) && attrName === 'href' ||
- tag === 'img' && /^(?:src|longdesc|usemap)$/.test(attrName) ||
- tag === 'object' && /^(?:classid|codebase|data|usemap)$/.test(attrName) ||
- tag === 'q' && attrName === 'cite' ||
- tag === 'blockquote' && attrName === 'cite' ||
- (tag === 'ins' || tag === 'del') && attrName === 'cite' ||
- tag === 'form' && attrName === 'action' ||
- tag === 'input' && (attrName === 'src' || attrName === 'usemap') ||
- tag === 'head' && attrName === 'profile' ||
- tag === 'script' && (attrName === 'src' || attrName === 'for')
- );
-}
-
-function isNumberTypeAttribute(attrName, tag) {
- return (
- /^(?:a|area|object|button)$/.test(tag) && attrName === 'tabindex' ||
- tag === 'input' && (attrName === 'maxlength' || attrName === 'tabindex') ||
- tag === 'select' && (attrName === 'size' || attrName === 'tabindex') ||
- tag === 'textarea' && /^(?:rows|cols|tabindex)$/.test(attrName) ||
- tag === 'colgroup' && attrName === 'span' ||
- tag === 'col' && attrName === 'span' ||
- (tag === 'th' || tag === 'td') && (attrName === 'rowspan' || attrName === 'colspan')
- );
-}
-
-function isLinkType(tag, attrs, value) {
- if (tag !== 'link') {
- return false;
- }
- for (var i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i].name === 'rel' && attrs[i].value === value) {
- return true;
- }
- }
-}
-
-function isMediaQuery(tag, attrs, attrName) {
- return attrName === 'media' && (isLinkType(tag, attrs, 'stylesheet') || isStyleSheet(tag, attrs));
-}
-
-var srcsetTags = createMapFromString('img,source');
-
-function isSrcset(attrName, tag) {
- return attrName === 'srcset' && srcsetTags(tag);
-}
-
-function cleanAttributeValue(tag, attrName, attrValue, options, attrs) {
- if (isEventAttribute(attrName, options)) {
- attrValue = trimWhitespace(attrValue).replace(/^javascript:\s*/i, '');
- return options.minifyJS(attrValue, true);
- }
- else if (attrName === 'class') {
- attrValue = trimWhitespace(attrValue);
- if (options.sortClassName) {
- attrValue = options.sortClassName(attrValue);
- }
- else {
- attrValue = collapseWhitespaceAll(attrValue);
- }
- return attrValue;
- }
- else if (isUriTypeAttribute(attrName, tag)) {
- attrValue = trimWhitespace(attrValue);
- return isLinkType(tag, attrs, 'canonical') ? attrValue : options.minifyURLs(attrValue);
- }
- else if (isNumberTypeAttribute(attrName, tag)) {
- return trimWhitespace(attrValue);
- }
- else if (attrName === 'style') {
- attrValue = trimWhitespace(attrValue);
- if (attrValue) {
- if (/;$/.test(attrValue) && !/&#?[0-9a-zA-Z]+;$/.test(attrValue)) {
- attrValue = attrValue.replace(/\s*;$/, ';');
- }
- attrValue = options.minifyCSS(attrValue, 'inline');
- }
- return attrValue;
- }
- else if (isSrcset(attrName, tag)) {
- // https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-srcset
- attrValue = trimWhitespace(attrValue).split(/\s+,\s*|\s*,\s+/).map(function(candidate) {
- var url = candidate;
- var descriptor = '';
- var match = candidate.match(/\s+([1-9][0-9]*w|[0-9]+(?:\.[0-9]+)?x)$/);
- if (match) {
- url = url.slice(0, -match[0].length);
- var num = +match[1].slice(0, -1);
- var suffix = match[1].slice(-1);
- if (num !== 1 || suffix !== 'x') {
- descriptor = ' ' + num + suffix;
- }
- }
- return options.minifyURLs(url) + descriptor;
- }).join(', ');
- }
- else if (isMetaViewport(tag, attrs) && attrName === 'content') {
- attrValue = attrValue.replace(/\s+/g, '').replace(/[0-9]+\.[0-9]+/g, function(numString) {
- // "0.90000" -> "0.9"
- // "1.0" -> "1"
- // "1.0001" -> "1.0001" (unchanged)
- return (+numString).toString();
- });
- }
- else if (options.customAttrCollapse && options.customAttrCollapse.test(attrName)) {
- attrValue = attrValue.replace(/\n+|\r+|\s{2,}/g, '');
- }
- else if (tag === 'script' && attrName === 'type') {
- attrValue = trimWhitespace(attrValue.replace(/\s*;\s*/g, ';'));
- }
- else if (isMediaQuery(tag, attrs, attrName)) {
- attrValue = trimWhitespace(attrValue);
- return options.minifyCSS(attrValue, 'media');
- }
- return attrValue;
-}
-
-function isMetaViewport(tag, attrs) {
- if (tag !== 'meta') {
- return false;
- }
- for (var i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i].name === 'name' && attrs[i].value === 'viewport') {
- return true;
- }
- }
-}
-
-function ignoreCSS(id) {
- return '/* clean-css ignore:start */' + id + '/* clean-css ignore:end */';
-}
-
-// Wrap CSS declarations for CleanCSS > 3.x
-// See https://github.com/jakubpawlowicz/clean-css/issues/418
-function wrapCSS(text, type) {
- switch (type) {
- case 'inline':
- return '*{' + text + '}';
- case 'media':
- return '@media ' + text + '{a{top:0}}';
- default:
- return text;
- }
-}
-
-function unwrapCSS(text, type) {
- var matches;
- switch (type) {
- case 'inline':
- matches = text.match(/^\*\{([\s\S]*)\}$/);
- break;
- case 'media':
- matches = text.match(/^@media ([\s\S]*?)\s*{[\s\S]*}$/);
- break;
- }
- return matches ? matches[1] : text;
-}
-
-function cleanConditionalComment(comment, options) {
- return options.processConditionalComments ? comment.replace(/^(\[if\s[^\]]+]>)([\s\S]*?)(<!\[endif])$/, function(match, prefix, text, suffix) {
- return prefix + minify(text, options, true) + suffix;
- }) : comment;
-}
-
-function processScript(text, options, currentAttrs) {
- for (var i = 0, len = currentAttrs.length; i < len; i++) {
- if (currentAttrs[i].name.toLowerCase() === 'type' &&
- options.processScripts.indexOf(currentAttrs[i].value) > -1) {
- return minify(text, options);
- }
- }
- return text;
-}
-
-// Tag omission rules from https://html.spec.whatwg.org/multipage/syntax.html#optional-tags
-// with the following deviations:
-// - retain <body> if followed by <noscript>
-// - </rb>, </rt>, </rtc>, </rp> & </tfoot> follow https://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');
-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 headerTags = createMapFromString('meta,link,script,style,template,noscript');
-var descriptionTags = createMapFromString('dt,dd');
-var pBlockTags = createMapFromString('address,article,aside,blockquote,details,div,dl,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,hr,main,menu,nav,ol,p,pre,section,table,ul');
-var pInlineTags = createMapFromString('a,audio,del,ins,map,noscript,video');
-var rubyTags = createMapFromString('rb,rt,rtc,rp');
-var rtcTag = createMapFromString('rb,rtc,rp');
-var optionTag = createMapFromString('option,optgroup');
-var tableContentTags = createMapFromString('tbody,tfoot');
-var tableSectionTags = createMapFromString('thead,tbody,tfoot');
-var cellTags = createMapFromString('td,th');
-var topLevelTags = createMapFromString('html,head,body');
-var compactTags = createMapFromString('html,body');
-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,rb,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');
-
-function canRemoveParentTag(optionalStartTag, tag) {
- switch (optionalStartTag) {
- case 'html':
- case 'head':
- return true;
- case 'body':
- return !headerTags(tag);
- case 'colgroup':
- return tag === 'col';
- case 'tbody':
- return tag === 'tr';
- }
- return false;
-}
-
-function isStartTagMandatory(optionalEndTag, tag) {
- switch (tag) {
- case 'colgroup':
- return optionalEndTag === 'colgroup';
- case 'tbody':
- return tableSectionTags(optionalEndTag);
- }
- return false;
-}
-
-function canRemovePrecedingTag(optionalEndTag, tag) {
- switch (optionalEndTag) {
- case 'html':
- case 'head':
- case 'body':
- case 'colgroup':
- case 'caption':
- return true;
- case 'li':
- case 'optgroup':
- case 'tr':
- return tag === optionalEndTag;
- case 'dt':
- case 'dd':
- return descriptionTags(tag);
- case 'p':
- return pBlockTags(tag);
- case 'rb':
- case 'rt':
- case 'rp':
- return rubyTags(tag);
- case 'rtc':
- return rtcTag(tag);
- case 'option':
- return optionTag(tag);
- case 'thead':
- case 'tbody':
- return tableContentTags(tag);
- case 'tfoot':
- return tag === 'tbody';
- case 'td':
- case 'th':
- return cellTags(tag);
- }
- return false;
-}
-
-var reEmptyAttribute = new RegExp(
- '^(?:class|id|style|title|lang|dir|on(?:focus|blur|change|click|dblclick|mouse(' +
- '?:down|up|over|move|out)|key(?:press|down|up)))$');
-
-function canDeleteEmptyAttribute(tag, attrName, attrValue, options) {
- var isValueEmpty = !attrValue || /^\s*$/.test(attrValue);
- if (!isValueEmpty) {
- return false;
- }
- if (typeof options.removeEmptyAttributes === 'function') {
- return options.removeEmptyAttributes(attrName, tag);
- }
- return tag === 'input' && attrName === 'value' || reEmptyAttribute.test(attrName);
-}
-
-function hasAttrName(name, attrs) {
- for (var i = attrs.length - 1; i >= 0; i--) {
- if (attrs[i].name === name) {
- return true;
- }
- }
- return false;
-}
-
-function canRemoveElement(tag, attrs) {
- switch (tag) {
- case 'textarea':
- return false;
- case 'audio':
- case 'script':
- case 'video':
- if (hasAttrName('src', attrs)) {
- return false;
- }
- break;
- case 'iframe':
- if (hasAttrName('src', attrs) || hasAttrName('srcdoc', attrs)) {
- return false;
- }
- break;
- case 'object':
- if (hasAttrName('data', attrs)) {
- return false;
- }
- break;
- case 'applet':
- if (hasAttrName('code', attrs)) {
- return false;
- }
- break;
- }
- return true;
-}
-
-function canCollapseWhitespace(tag) {
- return !/^(?:script|style|pre|textarea)$/.test(tag);
-}
-
-function canTrimWhitespace(tag) {
- return !/^(?:pre|textarea)$/.test(tag);
-}
-
-function normalizeAttr(attr, attrs, tag, options) {
- var attrName = options.name(attr.name),
- attrValue = attr.value;
-
- if (options.decodeEntities && attrValue) {
- attrValue = decode(attrValue, { isAttributeValue: true });
- }
-
- if (options.removeRedundantAttributes &&
- isAttributeRedundant(tag, attrName, attrValue, attrs) ||
- options.removeScriptTypeAttributes && tag === 'script' &&
- attrName === 'type' && isScriptTypeAttribute(attrValue) ||
- options.removeStyleLinkTypeAttributes && (tag === 'style' || tag === 'link') &&
- attrName === 'type' && isStyleLinkTypeAttribute(attrValue)) {
- return;
- }
-
- if (attrValue) {
- attrValue = cleanAttributeValue(tag, attrName, attrValue, options, attrs);
- }
-
- if (options.removeEmptyAttributes &&
- canDeleteEmptyAttribute(tag, attrName, attrValue, options)) {
- return;
- }
-
- if (options.decodeEntities && attrValue) {
- attrValue = attrValue.replace(/&(#?[0-9a-zA-Z]+;)/g, '&amp;$1');
- }
-
- return {
- attr: attr,
- name: attrName,
- value: attrValue
- };
-}
-
-function buildAttr(normalized, hasUnarySlash, options, isLast, uidAttr) {
- var attrName = normalized.name,
- attrValue = normalized.value,
- attr = normalized.attr,
- attrQuote = attr.quote,
- attrFragment,
- emittedAttrValue;
-
- if (typeof attrValue !== 'undefined' && (!options.removeAttributeQuotes ||
- ~attrValue.indexOf(uidAttr) || !canRemoveAttributeQuotes(attrValue))) {
- if (!options.preventAttributesEscaping) {
- if (typeof options.quoteCharacter === 'undefined') {
- var apos = (attrValue.match(/'/g) || []).length;
- var quot = (attrValue.match(/"/g) || []).length;
- attrQuote = apos < quot ? '\'' : '"';
- }
- else {
- attrQuote = options.quoteCharacter === '\'' ? '\'' : '"';
- }
- if (attrQuote === '"') {
- attrValue = attrValue.replace(/"/g, '&#34;');
- }
- else {
- attrValue = attrValue.replace(/'/g, '&#39;');
- }
- }
- emittedAttrValue = attrQuote + attrValue + attrQuote;
- if (!isLast && !options.removeTagWhitespace) {
- emittedAttrValue += ' ';
- }
- }
- // make sure trailing slash is not interpreted as HTML self-closing tag
- else if (isLast && !hasUnarySlash && !/\/$/.test(attrValue)) {
- emittedAttrValue = attrValue;
- }
- else {
- emittedAttrValue = attrValue + ' ';
- }
-
- if (typeof attrValue === 'undefined' || options.collapseBooleanAttributes &&
- isBooleanAttribute(attrName.toLowerCase(), attrValue.toLowerCase())) {
- attrFragment = attrName;
- if (!isLast) {
- attrFragment += ' ';
- }
- }
- else {
- attrFragment = attrName + attr.customAssign + emittedAttrValue;
- }
-
- return attr.customOpen + attrFragment + attr.customClose;
-}
-
-function identity(value) {
- return value;
-}
-
-function processOptions(values) {
- var options = {
- name: function(name) {
- return name.toLowerCase();
- },
- canCollapseWhitespace: canCollapseWhitespace,
- canTrimWhitespace: canTrimWhitespace,
- html5: true,
- ignoreCustomComments: [/^!/],
- ignoreCustomFragments: [
- /<%[\s\S]*?%>/,
- /<\?[\s\S]*?\?>/
- ],
- includeAutoGeneratedTags: true,
- log: identity,
- minifyCSS: identity,
- minifyJS: identity,
- minifyURLs: identity
- };
- Object.keys(values).forEach(function(key) {
- var value = values[key];
- if (key === 'caseSensitive') {
- if (value) {
- options.name = identity;
- }
- }
- else if (key === 'log') {
- if (typeof value === 'function') {
- options.log = value;
- }
- }
- else if (key === 'minifyCSS' && typeof value !== 'function') {
- if (!value) {
- return;
- }
- if (typeof value !== 'object') {
- value = {};
- }
- options.minifyCSS = function(text, type) {
- text = text.replace(/(url\s*\(\s*)("|'|)(.*?)\2(\s*\))/ig, function(match, prefix, quote, url, suffix) {
- return prefix + quote + options.minifyURLs(url) + quote + suffix;
- });
- try {
- return unwrapCSS(new CleanCSS(value).minify(wrapCSS(text, type)).styles, type);
- }
- catch (err) {
- options.log(err);
- return text;
- }
- };
- }
- else if (key === 'minifyJS' && typeof value !== 'function') {
- if (!value) {
- return;
- }
- if (typeof value !== 'object') {
- value = {};
- }
- (value.parse || (value.parse = {})).bare_returns = false;
- options.minifyJS = function(text, inline) {
- var start = text.match(/^\s*<!--.*/);
- var code = start ? text.slice(start[0].length).replace(/\n\s*-->\s*$/, '') : text;
- value.parse.bare_returns = inline;
- var result = UglifyJS.minify(code, value);
- if (result.error) {
- options.log(result.error);
- return text;
- }
- return result.code.replace(/;$/, '');
- };
- }
- else if (key === 'minifyURLs' && typeof value !== 'function') {
- if (!value) {
- return;
- }
- if (typeof value === 'string') {
- value = { site: value };
- }
- else if (typeof value !== 'object') {
- value = {};
- }
- options.minifyURLs = function(text) {
- try {
- return RelateUrl.relate(text, value);
- }
- catch (err) {
- options.log(err);
- return text;
- }
- };
- }
- else {
- options[key] = value;
- }
- });
- return options;
-}
-
-function uniqueId(value) {
- var id;
- do {
- id = Math.random().toString(36).replace(/^0\.[0-9]*/, '');
- } while (~value.indexOf(id));
- return id;
-}
-
-var specialContentTags = createMapFromString('script,style');
-
-function createSortFns(value, options, uidIgnore, uidAttr) {
- var attrChains = options.sortAttributes && Object.create(null);
- var classChain = options.sortClassName && new TokenChain();
-
- function attrNames(attrs) {
- return attrs.map(function(attr) {
- return options.name(attr.name);
- });
- }
-
- function shouldSkipUID(token, uid) {
- return !uid || token.indexOf(uid) === -1;
- }
-
- function shouldSkipUIDs(token) {
- return shouldSkipUID(token, uidIgnore) && shouldSkipUID(token, uidAttr);
- }
-
- function scan(input) {
- var currentTag, currentType;
- new HTMLParser(input, {
- start: function(tag, attrs) {
- if (attrChains) {
- if (!attrChains[tag]) {
- attrChains[tag] = new TokenChain();
- }
- attrChains[tag].add(attrNames(attrs).filter(shouldSkipUIDs));
- }
- for (var i = 0, len = attrs.length; i < len; i++) {
- var attr = attrs[i];
- if (classChain && attr.value && options.name(attr.name) === 'class') {
- classChain.add(trimWhitespace(attr.value).split(/[ \t\n\f\r]+/).filter(shouldSkipUIDs));
- }
- else if (options.processScripts && attr.name.toLowerCase() === 'type') {
- currentTag = tag;
- currentType = attr.value;
- }
- }
- },
- end: function() {
- currentTag = '';
- },
- chars: function(text) {
- if (options.processScripts && specialContentTags(currentTag) &&
- options.processScripts.indexOf(currentType) > -1) {
- scan(text);
- }
- }
- });
- }
-
- var log = options.log;
- options.log = identity;
- options.sortAttributes = false;
- options.sortClassName = false;
- scan(minify(value, options));
- options.log = log;
- if (attrChains) {
- var attrSorters = Object.create(null);
- for (var tag in attrChains) {
- attrSorters[tag] = attrChains[tag].createSorter();
- }
- options.sortAttributes = function(tag, attrs) {
- var sorter = attrSorters[tag];
- if (sorter) {
- var attrMap = Object.create(null);
- var names = attrNames(attrs);
- names.forEach(function(name, index) {
- (attrMap[name] || (attrMap[name] = [])).push(attrs[index]);
- });
- sorter.sort(names).forEach(function(name, index) {
- attrs[index] = attrMap[name].shift();
- });
- }
- };
- }
- if (classChain) {
- var sorter = classChain.createSorter();
- options.sortClassName = function(value) {
- return sorter.sort(value.split(/[ \n\f\r]+/)).join(' ');
- };
- }
-}
-
-function minify(value, options, partialMarkup) {
- if (options.collapseWhitespace) {
- value = collapseWhitespace(value, options, true, true);
- }
-
- var buffer = [],
- charsPrevTag,
- currentChars = '',
- hasChars,
- currentTag = '',
- currentAttrs = [],
- stackNoTrimWhitespace = [],
- stackNoCollapseWhitespace = [],
- optionalStartTag = '',
- optionalEndTag = '',
- ignoredMarkupChunks = [],
- ignoredCustomMarkupChunks = [],
- uidIgnore,
- uidAttr,
- uidPattern;
-
- // 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 pattern = new RegExp('^' + uidIgnore + '([0-9]+)$');
- if (options.ignoreCustomComments) {
- options.ignoreCustomComments = options.ignoreCustomComments.slice();
- }
- else {
- options.ignoreCustomComments = [];
- }
- options.ignoreCustomComments.push(pattern);
- }
- var token = '<!--' + uidIgnore + ignoredMarkupChunks.length + '-->';
- ignoredMarkupChunks.push(group1);
- return token;
- });
-
- var customFragments = options.ignoreCustomFragments.map(function(re) {
- return re.source;
- });
- if (customFragments.length) {
- var reCustomIgnore = new RegExp('\\s*(?:' + customFragments.join('|') + ')+\\s*', 'g');
- // temporarily replace custom ignored fragments with unique attributes
- value = value.replace(reCustomIgnore, function(match) {
- if (!uidAttr) {
- uidAttr = uniqueId(value);
- uidPattern = new RegExp('(\\s*)' + uidAttr + '([0-9]+)(\\s*)', 'g');
- if (options.minifyCSS) {
- options.minifyCSS = (function(fn) {
- return function(text, type) {
- text = text.replace(uidPattern, function(match, prefix, index) {
- var chunks = ignoredCustomMarkupChunks[+index];
- return chunks[1] + uidAttr + index + chunks[2];
- });
- var ids = [];
- new CleanCSS().minify(wrapCSS(text, type)).warnings.forEach(function(warning) {
- var match = uidPattern.exec(warning);
- if (match) {
- var id = uidAttr + match[2];
- text = text.replace(id, ignoreCSS(id));
- ids.push(id);
- }
- });
- text = fn(text, type);
- ids.forEach(function(id) {
- text = text.replace(ignoreCSS(id), id);
- });
- return text;
- };
- })(options.minifyCSS);
- }
- if (options.minifyJS) {
- options.minifyJS = (function(fn) {
- return function(text, type) {
- return fn(text.replace(uidPattern, function(match, prefix, index) {
- var chunks = ignoredCustomMarkupChunks[+index];
- return chunks[1] + uidAttr + index + chunks[2];
- }), type);
- };
- })(options.minifyJS);
- }
- }
- var token = uidAttr + ignoredCustomMarkupChunks.length;
- ignoredCustomMarkupChunks.push(/^(\s*)[\s\S]*?(\s*)$/.exec(match));
- return '\t' + token + '\t';
- });
- }
-
- if (options.sortAttributes && typeof options.sortAttributes !== 'function' ||
- options.sortClassName && typeof options.sortClassName !== 'function') {
- createSortFns(value, options, uidIgnore, uidAttr);
- }
-
- function _canCollapseWhitespace(tag, attrs) {
- return options.canCollapseWhitespace(tag, attrs, canCollapseWhitespace);
- }
-
- function _canTrimWhitespace(tag, attrs) {
- return options.canTrimWhitespace(tag, attrs, canTrimWhitespace);
- }
-
- function removeStartTag() {
- var index = buffer.length - 1;
- while (index > 0 && !/^<[^/!]/.test(buffer[index])) {
- index--;
- }
- buffer.length = Math.max(0, index);
- }
-
- function removeEndTag() {
- var index = buffer.length - 1;
- while (index > 0 && !/^<\//.test(buffer[index])) {
- index--;
- }
- buffer.length = Math.max(0, index);
- }
-
- // look for trailing whitespaces, bypass any inline tags
- function trimTrailingWhitespace(index, nextTag) {
- for (var endTag = null; 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;
- }
- }
- }
-
- // 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 = buffer.length - 1;
- if (buffer.length > 1) {
- var item = buffer[buffer.length - 1];
- if (/^(?:<!|$)/.test(item) && item.indexOf(uidIgnore) === -1) {
- charsIndex--;
- }
- }
- trimTrailingWhitespace(charsIndex, nextTag);
- }
-
- new HTMLParser(value, {
- partialMarkup: partialMarkup,
- html5: options.html5,
-
- start: function(tag, attrs, unary, unarySlash, autoGenerated) {
- if (tag.toLowerCase() === 'svg') {
- options = Object.create(options);
- options.caseSensitive = true;
- options.keepClosingSlash = true;
- options.name = identity;
- }
- tag = options.name(tag);
- currentTag = tag;
- charsPrevTag = tag;
- if (!inlineTextTags(tag)) {
- currentChars = '';
- }
- hasChars = false;
- currentAttrs = attrs;
-
- var optional = options.removeOptionalTags;
- if (optional) {
- var htmlTag = htmlTags(tag);
- // <html> may be omitted if first thing inside is not comment
- // <head> may be omitted if first thing inside is an element
- // <body> may be omitted if first thing inside is not space, comment, <meta>, <link>, <script>, <style> or <template>
- // <colgroup> may be omitted if first thing inside is <col>
- // <tbody> may be omitted if first thing inside is <tr>
- if (htmlTag && canRemoveParentTag(optionalStartTag, tag)) {
- removeStartTag();
- }
- optionalStartTag = '';
- // end-tag-followed-by-start-tag omission rules
- if (htmlTag && canRemovePrecedingTag(optionalEndTag, tag)) {
- removeEndTag();
- // <colgroup> cannot be omitted if preceding </colgroup> is omitted
- // <tbody> cannot be omitted if preceding </tbody>, </thead> or </tfoot> is omitted
- optional = !isStartTagMandatory(optionalEndTag, tag);
- }
- optionalEndTag = '';
- }
-
- // set whitespace flags for nested tags (eg. <code> within a <pre>)
- if (options.collapseWhitespace) {
- if (!stackNoTrimWhitespace.length) {
- squashTrailingWhitespace(tag);
- }
- if (!unary) {
- if (!_canTrimWhitespace(tag, attrs) || stackNoTrimWhitespace.length) {
- stackNoTrimWhitespace.push(tag);
- }
- if (!_canCollapseWhitespace(tag, attrs) || stackNoCollapseWhitespace.length) {
- stackNoCollapseWhitespace.push(tag);
- }
- }
- }
-
- var openTag = '<' + tag;
- var hasUnarySlash = unarySlash && options.keepClosingSlash;
-
- buffer.push(openTag);
-
- if (options.sortAttributes) {
- options.sortAttributes(tag, attrs);
- }
-
- var parts = [];
- for (var i = attrs.length, isLast = true; --i >= 0;) {
- var normalized = normalizeAttr(attrs[i], attrs, tag, options);
- if (normalized) {
- parts.unshift(buildAttr(normalized, hasUnarySlash, options, isLast, uidAttr));
- isLast = false;
- }
- }
- if (parts.length > 0) {
- buffer.push(' ');
- buffer.push.apply(buffer, parts);
- }
- // start tag must never be omitted if it has any attributes
- else if (optional && optionalStartTags(tag)) {
- optionalStartTag = tag;
- }
-
- buffer.push(buffer.pop() + (hasUnarySlash ? '/' : '') + '>');
-
- if (autoGenerated && !options.includeAutoGeneratedTags) {
- removeStartTag();
- optionalStartTag = '';
- }
- },
- end: function(tag, attrs, autoGenerated) {
- if (tag.toLowerCase() === 'svg') {
- options = Object.getPrototypeOf(options);
- }
- tag = options.name(tag);
-
- // check if current tag is in a whitespace stack
- if (options.collapseWhitespace) {
- if (stackNoTrimWhitespace.length) {
- if (tag === stackNoTrimWhitespace[stackNoTrimWhitespace.length - 1]) {
- stackNoTrimWhitespace.pop();
- }
- }
- else {
- squashTrailingWhitespace('/' + tag);
- }
- if (stackNoCollapseWhitespace.length &&
- tag === stackNoCollapseWhitespace[stackNoCollapseWhitespace.length - 1]) {
- stackNoCollapseWhitespace.pop();
- }
- }
-
- var isElementEmpty = false;
- if (tag === currentTag) {
- currentTag = '';
- 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)) {
- // remove last "element" from buffer
- removeStartTag();
- optionalStartTag = '';
- optionalEndTag = '';
- }
- else {
- if (autoGenerated && !options.includeAutoGeneratedTags) {
- optionalEndTag = '';
- }
- else {
- buffer.push('</' + tag + '>');
- }
- charsPrevTag = '/' + tag;
- if (!inlineTags(tag)) {
- currentChars = '';
- }
- else if (isElementEmpty) {
- currentChars += '|';
- }
- }
- },
- chars: function(text, prevTag, nextTag) {
- prevTag = prevTag === '' ? 'comment' : prevTag;
- nextTag = nextTag === '' ? 'comment' : nextTag;
- if (options.decodeEntities && text && !specialContentTags(currentTag)) {
- text = decode(text);
- }
- if (options.collapseWhitespace) {
- if (!stackNoTrimWhitespace.length) {
- if (prevTag === 'comment') {
- var prevComment = buffer[buffer.length - 1];
- if (prevComment.indexOf(uidIgnore) === -1) {
- if (!prevComment) {
- prevTag = charsPrevTag;
- }
- if (buffer.length > 1 && (!prevComment || !options.conservativeCollapse && / $/.test(currentChars))) {
- var charsIndex = buffer.length - 2;
- buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(trailingSpaces) {
- text = trailingSpaces + text;
- return '';
- });
- }
- }
- }
- if (prevTag) {
- if (prevTag === '/nobr' || prevTag === 'wbr') {
- if (/^\s/.test(text)) {
- var tagIndex = buffer.length - 1;
- while (tagIndex > 0 && buffer[tagIndex].lastIndexOf('<' + prevTag) !== 0) {
- tagIndex--;
- }
- trimTrailingWhitespace(tagIndex - 1, 'br');
- }
- }
- else if (inlineTextTags(prevTag.charAt(0) === '/' ? prevTag.slice(1) : prevTag)) {
- text = collapseWhitespace(text, options, /(?:^|\s)$/.test(currentChars));
- }
- }
- if (prevTag || nextTag) {
- text = collapseWhitespaceSmart(text, prevTag, nextTag, options);
- }
- else {
- text = collapseWhitespace(text, options, true, true);
- }
- if (!text && /\s$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {
- trimTrailingWhitespace(buffer.length - 1, nextTag);
- }
- }
- if (!stackNoCollapseWhitespace.length && nextTag !== 'html' && !(prevTag && nextTag)) {
- text = collapseWhitespace(text, options, false, false, true);
- }
- }
- if (options.processScripts && specialContentTags(currentTag)) {
- text = processScript(text, options, currentAttrs);
- }
- if (isExecutableScript(currentTag, currentAttrs)) {
- text = options.minifyJS(text);
- }
- if (isStyleSheet(currentTag, currentAttrs)) {
- text = options.minifyCSS(text);
- }
- if (options.removeOptionalTags && text) {
- // <html> may be omitted if first thing inside is not comment
- // <body> may be omitted if first thing inside is not space, comment, <meta>, <link>, <script>, <style> or <template>
- if (optionalStartTag === 'html' || optionalStartTag === 'body' && !/^\s/.test(text)) {
- removeStartTag();
- }
- optionalStartTag = '';
- // </html> or </body> may be omitted if not followed by comment
- // </head>, </colgroup> or </caption> may be omitted if not followed by space or comment
- if (compactTags(optionalEndTag) || looseTags(optionalEndTag) && !/^\s/.test(text)) {
- removeEndTag();
- }
- optionalEndTag = '';
- }
- charsPrevTag = /^\s*$/.test(text) ? prevTag : 'comment';
- if (options.decodeEntities && text && !specialContentTags(currentTag)) {
- // semi-colon can be omitted
- // https://mathiasbynens.be/notes/ambiguous-ampersands
- text = text.replace(/&(#?[0-9a-zA-Z]+;)/g, '&amp$1').replace(/</g, '&lt;');
- }
- if (uidPattern && options.collapseWhitespace && stackNoTrimWhitespace.length) {
- text = text.replace(uidPattern, function(match, prefix, index) {
- return ignoredCustomMarkupChunks[+index][0];
- });
- }
- currentChars += text;
- if (text) {
- hasChars = true;
- }
- buffer.push(text);
- },
- comment: function(text, nonStandard) {
- var prefix = nonStandard ? '<!' : '<!--';
- var suffix = nonStandard ? '>' : '-->';
- if (isConditionalComment(text)) {
- text = prefix + cleanConditionalComment(text, options) + suffix;
- }
- else if (options.removeComments) {
- if (isIgnoredComment(text, options)) {
- text = '<!--' + text + '-->';
- }
- else {
- text = '';
- }
- }
- else {
- text = prefix + text + suffix;
- }
- if (options.removeOptionalTags && text) {
- // preceding comments suppress tag omissions
- optionalStartTag = '';
- optionalEndTag = '';
- }
- buffer.push(text);
- },
- doctype: function(doctype) {
- buffer.push(options.useShortDoctype ? '<!doctype html>' : collapseWhitespaceAll(doctype));
- },
- customAttrAssign: options.customAttrAssign,
- customAttrSurround: options.customAttrSurround
- });
-
- if (options.removeOptionalTags) {
- // <html> may be omitted if first thing inside is not comment
- // <head> or <body> may be omitted if empty
- if (topLevelTags(optionalStartTag)) {
- removeStartTag();
- }
- // except for </dt> or </thead>, end tags may be omitted if no more content in parent element
- if (optionalEndTag && !trailingTags(optionalEndTag)) {
- removeEndTag();
- }
- }
- if (options.collapseWhitespace) {
- squashTrailingWhitespace('br');
- }
-
- return joinResultSegments(buffer, options, uidPattern ? function(str) {
- return str.replace(uidPattern, function(match, prefix, index, suffix) {
- var chunk = ignoredCustomMarkupChunks[+index][0];
- if (options.collapseWhitespace) {
- if (prefix !== '\t') {
- chunk = prefix + chunk;
- }
- if (suffix !== '\t') {
- chunk += suffix;
- }
- return collapseWhitespace(chunk, {
- preserveLineBreaks: options.preserveLineBreaks,
- conservativeCollapse: !options.trimCustomFragments
- }, /^[ \n\r\t\f]/.test(chunk), /[ \n\r\t\f]$/.test(chunk));
- }
- return chunk;
- });
- } : identity, uidIgnore ? function(str) {
- return str.replace(new RegExp('<!--' + uidIgnore + '([0-9]+)-->', 'g'), function(match, index) {
- return ignoredMarkupChunks[+index];
- });
- } : identity);
-}
-
-function joinResultSegments(results, options, restoreCustom, restoreIgnore) {
- var str;
- var maxLineLength = options.maxLineLength;
- if (maxLineLength) {
- var line = '', lines = [];
- while (results.length) {
- var len = line.length;
- var end = results[0].indexOf('\n');
- if (end < 0) {
- line += restoreIgnore(restoreCustom(results.shift()));
- }
- else {
- line += restoreIgnore(restoreCustom(results[0].slice(0, end)));
- results[0] = results[0].slice(end + 1);
- }
- if (len > 0 && line.length > maxLineLength) {
- lines.push(line.slice(0, len));
- line = line.slice(len);
- }
- else if (end >= 0) {
- lines.push(line);
- line = '';
- }
- }
- if (line) {
- lines.push(line);
- }
- str = lines.join('\n');
- }
- else {
- str = restoreIgnore(restoreCustom(results.join('')));
- }
- return options.collapseWhitespace ? collapseWhitespace(str, options, true, true) : str;
-}
-
-exports.minify = function(value, options) {
- var start = Date.now();
- options = processOptions(options || {});
- var result = minify(value, options);
- options.log('minified in: ' + (Date.now() - start) + 'ms');
- return result;
-};
generated by cgit v1.2.3 (git 2.26.2) at 2024-09-17 22:23:21 +0000