Graybyt3 Was Here

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htmlminifier.js

'use strict';

var CleanCSS = require('clean-css');
var decode = require('he').decode;
var HTMLParser = require('./htmlparser').HTMLParser;
var endTag = require('./htmlparser').endTag;
var RelateUrl = require('relateurl');
var TokenChain = require('./tokenchain');
var Terser = require('terser');
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 isConditionalComment(text) {
  return /^\[if\s[^\]]+]|\[endif]$/.test(text);
}

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',
  'module'
]);

var keepScriptsMimetypes = utils.createMap([
  'module'
]);

function isScriptTypeAttribute(attrValue) {
  attrValue = trimWhitespace(attrValue.split(/;/, 2)[0]).toLowerCase();
  return attrValue === '' || executableScriptsMimetypes(attrValue);
}

function keepScriptTypeAttribute(attrValue) {
  attrValue = trimWhitespace(attrValue.split(/;/, 2)[0]).toLowerCase();
  return keepScriptsMimetypes(attrValue);
}

function isStyleLinkTypeAttribute(attrValue) {
  attrValue = trimWhitespace(attrValue).toLowerCase();
  return attrValue === '' || attrValue === 'text/css';
}

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 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);
}

async function cleanAttributeValue(tag, attrName, attrValue, options, attrs) {
  if (isEventAttribute(attrName, options)) {
    attrValue = trimWhitespace(attrValue).replace(/^javascript:\s*/i, '');
    return await 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 (isContentSecurityPolicy(tag, attrs) && attrName.toLowerCase() === 'content') {
    return collapseWhitespaceAll(attrValue);
  }
  else if (options.customAttrCollapse && options.customAttrCollapse.test(attrName)) {
    attrValue = trimWhitespace(attrValue.replace(/ ?[\n\r]+ ?/g, '').replace(/\s{2,}/g, options.conservativeCollapse ? ' ' : ''));
  }
  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 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;
  }
}

async function cleanConditionalComment(comment, options) {
  return options.processConditionalComments ? await utils.replaceAsync(comment, /^(\[if\s[^\]]+]>)([\s\S]*?)(<!\[endif])$/, async function(match, prefix, text, suffix) {
    return prefix + await minify(text, options, true) + suffix;
  }) : comment;
}

async 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 await 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;
}

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

function canCollapseWhitespace(tag) {
  return !/^(?:script|style|pre|textarea)$/.test(tag);
}

function canTrimWhitespace(tag) {
  return !/^(?:pre|textarea)$/.test(tag);
}

async 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) && !keepScriptTypeAttribute(attrValue) ||
    options.removeStyleLinkTypeAttributes && (tag === 'style' || tag === 'link') &&
    attrName === 'type' && isStyleLinkTypeAttribute(attrValue)) {
    return;
  }

if (attrValue) {
    attrValue = await 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 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');

async 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);
  }

async function scan(input) {
    var currentTag, currentType;
    const parser = 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: async function(text) {
        if (options.processScripts && specialContentTags(currentTag) &&
            options.processScripts.indexOf(currentType) > -1) {
          await scan(text);
        }
      }
    });

await parser.parse();
  }

async 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(/([\s\S]*?)/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 = '';
    ignoredMarkupChunks.push(group1);
    return token;
  });

if (options.sortAttributes && typeof options.sortAttributes !== 'function' ||
      options.sortClassName && typeof options.sortClassName !== 'function') {
    await 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);
  }

const parser = new HTMLParser(value, {
    partialMarkup: partialMarkup,
    continueOnParseError: options.continueOnParseError,
    customAttrAssign: options.customAttrAssign,
    customAttrSurround: options.customAttrSurround,
    html5: options.html5,

start: async 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;

// 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);
      }

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: async 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 = await processScript(text, options, currentAttrs);
      }
      if (isExecutableScript(currentTag, currentAttrs)) {
        text = await 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)) {
        // Escape any `&` symbols that start either:
        // 1) a legacy named character reference (i.e. one that doesn't end with `;`)
        // 2) or any other character reference (i.e. one that does end with `;`)
        // Note that `&` can be escaped as `&amp`, without the semi-colon.
        // https://mathiasbynens.be/notes/ambiguous-ampersands
        text = text.replace(/&((?:Iacute|aacute|uacute|plusmn|Otilde|otilde|agrave|Agrave|Yacute|yacute|Oslash|oslash|atilde|Atilde|brvbar|ccedil|Ccedil|Ograve|curren|divide|eacute|Eacute|ograve|Oacute|egrave|Egrave|Ugrave|frac12|frac14|frac34|ugrave|oacute|iacute|Ntilde|ntilde|Uacute|middot|igrave|Igrave|iquest|Aacute|cedil|laquo|micro|iexcl|Icirc|icirc|acirc|Ucirc|Ecirc|ocirc|Ocirc|ecirc|ucirc|Aring|aring|AElig|aelig|acute|pound|raquo|Acirc|times|THORN|szlig|thorn|COPY|auml|ordf|ordm|Uuml|macr|uuml|Auml|ouml|Ouml|para|nbsp|euml|quot|QUOT|Euml|yuml|cent|sect|copy|sup1|sup2|sup3|iuml|Iuml|ETH|shy|reg|not|yen|amp|AMP|REG|uml|eth|deg|gt|GT|LT|lt)(?!;)|(?:#?[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: async function(text, nonStandard) {
      var prefix = nonStandard ? '<!' : '';
      if (isConditionalComment(text)) {
        text = prefix + await cleanConditionalComment(text, options) + suffix;
      }
      else if (options.removeComments) {
        if (isIgnoredComment(text, options)) {
          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' +
        (options.removeTagWhitespace ? '' : ' ') + 'html>' :
        collapseWhitespaceAll(doctype));
    }
  });

await parser.parse();

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('', 'g'), function(match, index) {
      return ignoredMarkupChunks[+index];
    });
  } : identity);
}

function joinResultSegments(results, options, restoreCustom, restoreIgnore) {
  var str;
  var maxLineLength = options.maxLineLength;
  var noNewlinesBeforeTagClose = options.noNewlinesBeforeTagClose;

if (maxLineLength) {
    var line = '', lines = [];
    while (results.length) {
      var len = line.length;
      var end = results[0].indexOf('\n');
      var isClosingTag = Boolean(results[0].match(endTag));
      var shouldKeepSameLine = noNewlinesBeforeTagClose && isClosingTag;
      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 && !shouldKeepSameLine) {
        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 = async function(value, options) {
  var start = Date.now();
  options = processOptions(options || {});
  var result = await minify(value, options);
  options.log('minified in: ' + (Date.now() - start) + 'ms');
  return result;
};

System Information
*ReClick For Close
File : BlackDragon /acciones/about.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:49
..	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:49
htmlminifier.js	file	45.69 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
htmlparser.js	file	20.33 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
tokenchain.js	file	1.77 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
utils.js	file	754 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49