Class: ImageCheck
Constant Summary
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- SCREEN_SHOT_REGEX =
/Screen(?: |%20)Shot(?: |%20)\d+-\d+-\d+(?: |%20)at(?: |%20)\d+.\d+.\d+/.freeze
Instance Attribute Summary
#element, #external_urls, #html, #issues, #node, #options, #path, #src
Instance Method Summary
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#add_issue, #add_path_for_url, #add_to_external_urls, #blank?, #create_element, #initialize, subchecks
Instance Method Details
#empty_alt_tag? ⇒ Boolean
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# File 'lib/html-proofer/check/images.rb', line 6
def empty_alt_tag?
@img.alt.nil? || @img.alt.strip.empty?
end
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#missing_src? ⇒ Boolean
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# File 'lib/html-proofer/check/images.rb', line 14
def missing_src?
blank?(@img.url)
end
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#run ⇒ Object
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# File 'lib/html-proofer/check/images.rb', line 18
def run
@html.css('img').each do |node|
@img = create_element(node)
line = node.line
content = node.content
next if @img.ignore?
if terrible_filename?
add_issue("image has a terrible filename (#{@img.url})", line: line, content: content)
next
end
if missing_src?
add_issue('image has no src or srcset attribute', line: line, content: content)
elsif @img.remote?
add_to_external_urls(@img.url)
elsif !@img.exists?
add_issue("internal image #{@img.url} does not exist", line: line, content: content)
end
add_issue("image #{@img.url} does not have an alt attribute", line: line, content: content) if empty_alt_tag? && !@img.ignore_empty_alt? && !@img.ignore_alt?
add_issue("image #{@img.url} uses the http scheme", line: line, content: content) if @img.check_img_http? && @img.scheme == 'http'
end
external_urls
end
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#terrible_filename? ⇒ Boolean
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# File 'lib/html-proofer/check/images.rb', line 10
def terrible_filename?
@img.url =~ SCREEN_SHOT_REGEX
end
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