Module: HtmlMini

Defined in:
lib/html_mini.rb

Constant Summary collapse

VERSION = 
"0.0.3"

Class Method Summary collapse

Class Method Details

.minify(html) ⇒ Object 



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# File 'lib/html_mini.rb', line 5

def self.minify(html)
  # 1. Remove all comments: gsub(/(<!--(\w|\s|:|!|#|<|>|'|"|=|;|,|\.|\?)*-->|\/\*[^\*]*\*\/|^(\t|\s)*\/\/.*)/, '')
  # 1.1 html comments without special characters: <!--(\w|\s|:|!|#|<|>|'|"|=|;|,|\.|\?)*-->
  # 1.2. Remove javascript comments e.g. /* */ and // \/\*[^\*]*\*\/ and ^(\t|\s)*\/\/.*
  # 3. Replace all carrier return and all tabs by a single space gsub(/(\n|\t)/, ' ').
  # 4. Replace any consecutive spaces by a single space gsub(/\s{2,}/, ' ')
  # 5. Remove space between tags gsub(/>\s+</, '><').strip.
  html.gsub(/(<!--(\w|\s|:|!|#|<|>|'|"|=|;|,|\.|\?)*-->|\/\*[^\*]*\*\/|^(\t|\s)*\/\/.*)/, '').
      gsub(/(\n|\t)/, ' ').
      gsub(/\s{2,}/, ' ').
      gsub(/>\s+</, '><').strip
end