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# frozen_string_literal: true
module Capybara::Poltergeist
class Inspector
BROWSERS = %w[chromium chromium-browser google-chrome open].freeze
DEFAULT_PORT = 9664
def self.detect_browser
@browser ||= BROWSERS.find { |name| browser_binary_exists?(name) }
end
attr_reader :port
def initialize(browser = nil, port = DEFAULT_PORT)
@browser = browser.respond_to?(:to_str) ? browser : nil
@port = port
end
def browser
@browser ||= self.class.detect_browser
end
def url(scheme)
"#{scheme}://localhost:#{port}/"
end
def open(scheme)
if browser
Process.spawn(browser, url(scheme))
else
raise Error, "Could not find a browser executable to open #{url(scheme)}. " \
"You can specify one manually using e.g. `:inspector => 'chromium'` " \
'as a configuration option for Poltergeist.'
end
end
def self.browser_binary_exists?(browser)
exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
exts.each do |ext|
exe = "#{path}#{File::SEPARATOR}#{browser}#{ext}"
return exe if File.executable? exe
end
end
nil
end
end
end