Minify HTML snippet template shopify

minifyHTML.liquid

{% capture breakLine %}
{% endcapture %}
{% liquid
	if content_for_header contains 'Shopify.designMode'
	echo content
	else
	assign listSpace = '  ,   ,    ,     ,      ,       ,        ,         ,          ' | split: ','
	assign clearCommentTag = ''
	assign listCommentTagsAfter = content | split: '<!--'
	for afterItem in listCommentTagsAfter
		if afterItem contains '-->'
		assign listAfterRemove = afterItem | split: '-->'
		assign checkLength = listAfterRemove | size
		if checkLength > 1
			assign afterEndContent = listAfterRemove | last
			assign clearCommentTag = clearCommentTag | append: afterEndContent
		endif
		else
		if forloop.first == true
			assign clearCommentTag = clearCommentTag | append: afterItem
		endif
		endif
	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 cleanBody = ''

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

	if cleanHead != blank and cleanBody != blank
		assign cleanHTML = cleanHTML | prepend: cleanHead | append: '</head>' | append: cleanBody
        assign cleanV1 = '' | prepend: cleanHead | append: '</head>' | append: bodyContent
		echo cleanV1
	else
		echo content
	endif
	endif
%}
{% comment %}
	source https://gist.github.com/VuongNQ/89018bf149895fa1364fb8ca05043770/edit
	using function by wrapper all html like example below

	{%- capture minified -%}
	{% endcapture %}
	{%- render 'swift_compress', content: minified -%}
{% endcomment %}