Contents

# frozen_string_literal: true

require_relative "jekyll-tailwind/version"

require "jekyll"
require "tailwindcss/ruby"

module Jekyll
  class Tailwind

    def initialize(config)
      if config["config_path"]
        Jekyll.logger.warn "WARNING: The `config_path` option is deprecated and will be removed in the next releases. Please use the `config` option instead."
      end
      if config["version"]
        Jekyll.logger.warn "WARNING: The `version` option has no effect, version could be managed through 'tailwindcss-ruby' gem in you're Gemfile."
      end

      @config = config["config_path"] || config["config"] || "tailwind.config.js"
      @postcss = config.fetch("postcss", "postcss.config.js")
      @inputs = Array.wrap(config["input"])
      @output = config.fetch("output", "_site/assets/css/app.css")
      @minify = config.fetch("minify", false)
    end

    def compile
      command = [
                Tailwindcss::Ruby.executable,
                "--output", @output,
                "--config", @config,
              ]

      @inputs.each do |input|
        # There could be multiple input files or non at all.
        command += ["--input", input]
      end

      command += ["--minify"] if @minify
      command += ["--postcss", @postcss] if File.exist?(@postcss)

      `#{command.join(' ')}`
    end
  end
end

class Array
  # Taken from rails/activesupport/lib/active_support/core_ext/array/wrap.rb
  def self.wrap(object)
    if object.nil?
      []
    elsif object.respond_to?(:to_ary)
      object.to_ary || [object]
    else
      [object]
    end
  end
end

# It's important to run TailwindCSS compilation after Jekyll has finished with build steps. TailwindCSS will analyse resulting HTML and produce a CSS file with attributes that are actually in use, this is done to produce a smaller CSS file.
Jekyll::Hooks.register [:site], :post_write do |site|
  Jekyll::Tailwind.new(site.config.fetch('tailwind', {})).compile
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
jekyll-tailwind-2.0	lib/jekyll-tailwind.rb