NRuby

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#!/usr/bin/env ruby
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APP_ROOT = File.expand_path('..', __dir__)
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Dir.chdir(APP_ROOT) do
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  begin
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    exec "yarnpkg", *ARGV
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  rescue Errno::ENOENT
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    $stderr.puts "Yarn executable was not detected in the system."
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    $stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
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    exit 1
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  end
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end
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