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# 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_markup = format(DISABLE_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_markup
def html_content?
/html/.match?(@headers['Content-Type'])
end
def insert_disable(html)
html.sub(%r{(</head>)}, disable_markup + '\\1')
end
DISABLE_MARKUP_TEMPLATE = <<~HTML
<script defer>(typeof jQuery !== 'undefined') && (jQuery.fx.off = true);</script>
<style>
%<selector>s, %<selector>s::before, %<selector>s::after {
transition: none !important;
animation-duration: 0s !important;
animation-delay: 0s !important;
}
</style>
HTML
end
end
end
Version data entries
20 entries across 17 versions & 3 rubygems