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Contents
# frozen_string_literal: true
module Capybara
class Server
class AnimationDisabler
def self.selector_for(css_or_bool)
case css_or_bool
when String
css_or_bool
when true
'*'
else
raise CapybaraError, 'Capybara.disable_animation supports either a String (the css selector to disable) or a boolean'
end
end
def initialize(app)
@app = app
@disable_css_markup = format(DISABLE_CSS_MARKUP_TEMPLATE,
selector: self.class.selector_for(Capybara.disable_animation))
@disable_js_markup = format(DISABLE_JS_MARKUP_TEMPLATE,
selector: self.class.selector_for(Capybara.disable_animation))
end
def call(env)
@status, @headers, @body = @app.call(env)
return [@status, @headers, @body] unless html_content?
response = Rack::Response.new([], @status, @headers)
@body.each { |html| response.write insert_disable(html) }
@body.close if @body.respond_to?(:close)
response.finish
end
private
attr_reader :disable_css_markup, :disable_js_markup
def html_content?
/html/.match?(@headers['Content-Type'])
end
def insert_disable(html)
html.sub(%r{(</head>)}, "#{disable_css_markup}\\1").sub(%r{(</body>)}, "#{disable_js_markup}\\1")
end
DISABLE_CSS_MARKUP_TEMPLATE = <<~HTML
<style>
%<selector>s, %<selector>s::before, %<selector>s::after {
transition: none !important;
animation-duration: 0s !important;
animation-delay: 0s !important;
scroll-behavior: auto !important;
}
</style>
HTML
DISABLE_JS_MARKUP_TEMPLATE = <<~HTML
<script>
//<![CDATA[
(typeof jQuery !== 'undefined') && (jQuery.fx.off = true);
//]]>
</script>
HTML
end
end
end
Version data entries
6 entries across 6 versions & 3 rubygems