Liquid filters for shopify liquid template engine.
This ruby gem is a port of frozen-filters-js.

gem install frozen-filters

Usage outside jekyllrb:

require 'liquid'
require 'frozen-filters'

vars = {
  'url' => 'http://www.example.com/first/second/index.html?param1=value1&param2=value2'
}

@template = Liquid::Template.parse('{{ url | remove_ext }}')
@template.render(vars)  # http://www.example.com/first/second/index?param1=value1&param2=value2

Usage within jekyllrb:

• Add to blog Gemfile:

gem "frozen-filters", "~> 0.3.0"

• Add to plugins section of blog _config.yml:

  - frozen-filters

• Use the filters on any liquid page. e.g.

{{ "/assets/main.css" | remove_ext }}

• remove_ext - Removes the extension part of an url.
  e.g. http://www.example.com/first/second/index?param1=value1&param2=value2.

• remove_qs - Removes the query string part of an url. e.g. http://www.example.com/first/second/index.html.

• extract_basename - Returns the basename of an url. e.g. index.html.

• extract_dirname - Returns the dirname of an url. e.g. /first/second.

• extract_path - Returns the path of an url. e.g. /first/second/index.html.

• extract_protocol - Returns the protocol. e.g. http.

• extract_qs - Returns the query string. e.g. param1=value1&param2=value2.

• array_head - Returns the first N elements of an array.
  e.g. {{ ["first","second","third"] | array_head: 2 }} =~ ["first","second"].
  If the number of parameters is negative it returns an empty array.
  The the input isn't an array it returns the untouched input.

• array_tail - Returns the last N elements of an array.
  e.g. {{ ["first","second","third"] | array_tail: 2 }} =~ ["first","second"].
  If the number of parameters is negative it returns an empty array.
  The the input isn't an array it returns the untouched input.

• array_to_taglist - Transforms an array into an enclosed html tag list separated by newline.
  e.g. {{ ["first","second" | array_to_taglist: "li" }} returns:

<li>first</li>
<li>second</li>

If the input isn't an array, it returns the untouched input.

The url filters support domains and paths with:

• non-latin characters.
  e.g. http://吃.高雄/第一/第二/首頁.html?param1=value1&param2=value2.
• punycodes:
  e.g. https://xn--jp-cd2fp15c.xn--fsq.jp/abc/index.html?param1=value1&param2=value2.

© 2018 Alexandre Bento Freire

MIT License+uuid License