Remove ActiveRecord requirement

Author: gjtorikian

html-proofer.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency 'yell',            '~> 2.0'
   gem.add_dependency 'parallel',        '~> 1.3'
   gem.add_dependency 'addressable',     '~> 2.3'
-  gem.add_dependency 'activesupport',   '>= 4.2', '< 6.0'
+  gem.add_dependency 'timerizer',       '~> 0.3'
 
   gem.add_development_dependency 'redcarpet'
   gem.add_development_dependency 'rubocop'

lib/html-proofer/cache.rb

@@ -3,9 +3,7 @@
 require_relative 'utils'
 
 require 'json'
-require 'active_support/core_ext/string'
-require 'active_support/core_ext/date'
-require 'active_support/core_ext/numeric/time'
+require 'timerizer'
 
 module HTMLProofer
   class Cache
@@ -32,7 +30,7 @@ def initialize(logger, options)
     end
 
     def within_timeframe?(time)
-      (@parsed_timeframe..@cache_time).cover?(time)
+      (@parsed_timeframe..@cache_time).cover?(Time.parse(time))
     end
 
     def urls
@@ -45,7 +43,7 @@ def size
 
     def parsed_timeframe(timeframe)
       time, date = timeframe.match(/(\d+)(\D)/).captures
-      time = time.to_f
+      time = time.to_i
       case date
       when 'M'
         time.months.ago

lib/html-proofer/check/favicon.rb

@@ -21,7 +21,7 @@ def run
 
   def is_immediate_redirect?
     # allow any instant-redirect meta tag
-    @html.xpath("//meta[@http-equiv='refresh']").attribute('content').value.starts_with? '0;' rescue false
+    @html.xpath("//meta[@http-equiv='refresh']").attribute('content').value.start_with? '0;' rescue false
   end
 
 end

lib/html-proofer/check/links.rb

@@ -46,7 +46,7 @@ def run
         check_sri(line, content) if @link.check_sri? && node.name == 'link'
         # we need to skip these for now; although the domain main be valid,
         # curl/Typheous inaccurately return 404s for some links. cc https://git.io/vyCFx
-        next if @link.try(:rel) == 'dns-prefetch'
+        next if @link.respond_to?(:rel) && @link.rel == 'dns-prefetch'
         add_to_external_urls(@link.href)
         next
       elsif !@link.internal? && !@link.exists?

lib/html-proofer/element.rb

@@ -30,7 +30,7 @@ def initialize(obj, check)
 
       @html = check.html
 
-      parent_attributes = obj.ancestors.map { |a| a.try(:attributes) }
+      parent_attributes = obj.ancestors.map { |a| a.respond_to?(:attributes) && a.attributes }
       parent_attributes.pop # remove document at the end
       @parent_ignorable = parent_attributes.any? { |a| !a['data-proofer-ignore'].nil? }
 

lib/html-proofer/middleware.rb

@@ -62,7 +62,7 @@ def call(env)
       rescue
         return result # Invalid encoding; it's not gonna be html.
       end
-      if HTML_SIGNATURE.any? { |sig| html.upcase.starts_with? sig }
+      if HTML_SIGNATURE.any? { |sig| html.upcase.start_with? sig }
         parsed = HTMLProofer::Runner.new(
           'response',
           Middleware.options