102 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
		
			Executable File
		
	
	
#!/usr/bin/env ruby
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# frozen_string_literal: true
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require "liquid"
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require "benchmark/ips"
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# Test if processing content string without any Liquid constructs, via Liquid,
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# is slower than checking whether constructs exist ( using `String#include?` )
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# and return-ing the "plaintext" content string as is..
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#
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# Ref: https://github.com/jekyll/jekyll/pull/6735
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# Sample contents
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WITHOUT_LIQUID = <<-TEXT.freeze
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce auctor libero at
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pharetra tempus. Etiam bibendum magna et metus fermentum, eu cursus lorem
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mattis. Curabitur vel dui et lacus rutrum suscipit et eget neque.
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Nullam luctus fermentum est id blandit. Phasellus consectetur ullamcorper
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ligula, at finibus eros laoreet id. Etiam sit amet est in libero efficitur
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tristique. Ut nec magna augue. Quisque ut fringilla lacus, ac dictum enim.
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Aliquam vel ornare mauris. Suspendisse ornare diam tempor nulla facilisis
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aliquet. Sed ultrices placerat ultricies.
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TEXT
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WITH_LIQUID = <<-LIQUID.freeze
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce auctor libero at
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pharetra tempus. {{ author }} et metus fermentum, eu cursus lorem
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mattis. Curabitur vel dui et lacus rutrum suscipit et eget neque.
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Nullam luctus fermentum est id blandit. Phasellus consectetur ullamcorper
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ligula, {% if author == "Jane Doe" %} at finibus eros laoreet id. {% else %}
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Etiam sit amet est in libero efficitur.{% endif %}
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tristique. Ut nec magna augue. Quisque ut fringilla lacus, ac dictum enim.
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Aliquam vel ornare mauris. Suspendisse ornare diam tempor nulla facilisis
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aliquet. Sed ultrices placerat ultricies.
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LIQUID
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WITH_JUST_LIQUID_VAR = <<-LIQUID.freeze
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce auctor libero at
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pharetra tempus. et metus fermentum, eu cursus lorem, ac dictum enim.
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mattis. Curabitur vel dui et lacus rutrum suscipit et {{ title }} neque.
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Nullam luctus fermentum est id blandit. Phasellus consectetur ullamcorper
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ligula, at finibus eros laoreet id. Etiam sit amet est in libero efficitur.
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tristique. Ut nec magna augue. {{ author }} Quisque ut fringilla lacus
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Aliquam vel ornare mauris. Suspendisse ornare diam tempor nulla facilisis
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aliquet. Sed ultrices placerat ultricies.
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LIQUID
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SUITE = {
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  :"plain text"  => WITHOUT_LIQUID,
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  :"tags n vars" => WITH_LIQUID,
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  :"just vars"   => WITH_JUST_LIQUID_VAR,
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}.freeze
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# Mimic how Jekyll's LiquidRenderer would process a non-static file, with
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# some dummy payload
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def always_liquid(content)
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  Liquid::Template.error_mode = :warn
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  Liquid::Template.parse(content, :line_numbers => true).render(
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    "author" => "John Doe",
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    "title"  => "FooBar"
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  )
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end
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# Mimic how the proposed change would first execute a couple of checks and
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# proceed to process with Liquid if necessary
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def conditional_liquid(content)
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  return content if content.nil? || content.empty?
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  return content unless content.include?("{%") || content.include?("{{")
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  always_liquid(content)
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end
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# Test https://github.com/jekyll/jekyll/pull/6735#discussion_r165499868
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# ------------------------------------------------------------------------
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def check_with_regex(content)
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  !content.to_s.match?(%r!{[{%]!)
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end
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def check_with_builtin(content)
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  content.include?("{%") || content.include?("{{")
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end
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SUITE.each do |key, text|
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  Benchmark.ips do |x|
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    x.report("regex-check   - #{key}") { check_with_regex(text) }
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    x.report("builtin-check - #{key}") { check_with_builtin(text) }
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    x.compare!
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  end
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end
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# ------------------------------------------------------------------------
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# Let's roll!
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SUITE.each do |key, text|
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  Benchmark.ips do |x|
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    x.report("always thru liquid - #{key}") { always_liquid(text) }
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    x.report("conditional liquid - #{key}") { conditional_liquid(text) }
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    x.compare!
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  end
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end
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