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