minifyHTML.liquid

{% capture breakLine %}
{% endcapture %}
{% liquid
  assign listSpace = '  ,   ,    ,     ,      ,       ,        ,         ,          ' | split: ','
  assign clearCommentTag = ''
  assign listCommentTagsAfter = rawHTML | split: '<!--'
  for afterItem in listCommentTagsAfter
    assign afterContent = afterItem | split: '-->' | last
    assign clearCommentTag = clearCommentTag | append: afterContent
  endfor

  assign clearCommentCss = ''
  assign listCommentCssAfter = clearCommentTag | split: '/*'
  for afterItem in listCommentCssAfter
    assign afterContent = afterItem | split: '*/' | last
    assign clearCommentCss = clearCommentCss | append: afterContent
  endfor

  assign structureHTML = clearCommentCss | split: '</head>'
  assign cleanHTML = ''

  assign headContent = structureHTML | first

  assign cleanHead = ''
  assign headRaw = headContent | prepend: '!![POSITION-SCRIPT]!!'
  assign listScriptTagAfter = headRaw | split: '<script'
  for afterItem in listScriptTagAfter
    assign contentClean = ''
    if forloop.first == true and afterItem contains '!![POSITION-SCRIPT]!!'
      assign contentClean = contentClean | append: afterItem | replace: '!![POSITION-SCRIPT]!!', '' | strip_newlines | strip | replace: '> ', '>' | replace: ' <', '<'
      for space in listSpace
        assign contentClean = contentClean | replace: space, ' '
      endfor
    elsif afterItem contains '</script>'
      assign listContentClearScript = afterItem | split: '</script>'
      if listContentClearScript.size > 1
        assign contentScript = listContentClearScript | first
        assign contentClean = contentScript | prepend: '<script' | append: '</script>'

        assign contentAfterScript = listContentClearScript | last
        assign contentAfterScriptClean = contentAfterScript | strip_newlines | strip
        for space in listSpace
          assign contentAfterScriptClean = contentAfterScriptClean | replace: space, ' '
        endfor

        assign clearStyleTag = ''
        assign cleanStyleTag = contentAfterScriptClean | prepend: '!![POSITION-STYLE]!!'
        assign listStyleTagAfter = cleanStyleTag | split: '<style'
        for styleAfter in listStyleTagAfter
          assign styleClean = ''
          if forloop.first == true and styleAfter contains '!![POSITION-STYLE]!!'
            assign styleClean = styleClean | append: styleAfter | replace: '!![POSITION-STYLE]!!', '' | strip_newlines | strip | replace: '> ', '>' | replace: ' <', '<'
          elsif styleAfter contains '</style>'
            assign listContentClearStyle = styleAfter | split: '</style>'
            if listContentClearStyle.size > 1
              assign contentStyle = listContentClearStyle | first
              assign styleClean = contentStyle | prepend: '<style' | append: '</style>' | strip_newlines | strip | replace: '{  ', '{' | replace: '{   ', '{' | replace: '  }', '}' | replace: '   }', '}'

              assign contentAfterStyle = listContentClearStyle | last
              assign contentAfterStyleClean = contentAfterStyle | strip_newlines | strip | replace: '> ', '>' | replace: ' <', '<'
              assign styleClean = styleClean | append: contentAfterStyleClean
            else
              assign contentStyle = listContentClearStyle | last | remove: breakLine
              assign styleClean = contentStyle | prepend: '<style' | append: '</style>' | strip_newlines | strip | replace: '{  ', '{' | replace: '{   ', '{' | replace: '  }', '}' | replace: '   }', '}'
            endif
          endif
          assign clearStyleTag = clearStyleTag | append: styleClean
        endfor

        assign contentClean = contentClean | append: clearStyleTag

      else
        assign contentScript = listContentClearScript | last
        assign contentClean = contentScript | prepend: '<script' | append: '</script>'
      endif
    endif
    assign cleanHead = cleanHead | append: contentClean
  endfor

  assign bodyContent = structureHTML | last
  assign cleanBody = ''
  assign bodyRaw = bodyContent | prepend: '!![POSITION-SCRIPT]!!'
  assign listScriptTagAfter = bodyRaw | split: '<script'
  for afterItem in listScriptTagAfter
    assign contentClean = ''
    if forloop.first == true and afterItem contains '!![POSITION-SCRIPT]!!'
      assign contentClean = contentClean | append: afterItem | replace: '!![POSITION-SCRIPT]!!', '' | strip_newlines | strip
      for space in listSpace
        assign contentClean = contentClean | replace: space, ' '
      endfor
    elsif afterItem contains '</script>'
      assign listContentClearScript = afterItem | split: '</script>'
      if listContentClearScript.size > 1
        assign contentScript = listContentClearScript | first
        assign contentClean = contentScript | prepend: '<script' | append: '</script>'

        assign contentAfterScript = listContentClearScript | last
        assign contentAfterScriptClean = contentAfterScript | strip_newlines | strip
        for space in listSpace
          assign contentAfterScriptClean = contentAfterScriptClean | replace: space, ' '
        endfor
        assign contentClean = contentClean | append: contentAfterScriptClean | replace: '> ', '>' | replace: ' <', '<'
      else
        assign contentScript = listContentClearScript | last
        assign contentClean = contentScript | prepend: '<script' | append: '</script>'
      endif
    endif
    assign cleanBody = cleanBody | append: contentClean
  endfor

  assign cleanHTML = cleanHTML | prepend: cleanHead | append: '</head>' | append: cleanBody

  echo cleanHTML
%}
{% comment %}
  echo rawHTML
{% endcomment %}