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namespace :yarn do
desc 'Ensure Yarn is installed'
task :available do
unless system('yarn --version', out: File::NULL)
warn(
'Error: Yarn executable was not detected in the system.'.color(:red),
'Download Yarn at https://yarnpkg.com/en/docs/install'.color(:green)
)
abort
end
end
desc 'Ensure Node dependencies are installed'
task check: ['yarn:available'] do
unless system('yarn check --ignore-engines', out: File::NULL)
warn(
'Error: You have unmet dependencies. (`yarn check` command failed)'.color(:red),
'Run `yarn install` to install missing modules.'.color(:green)
)
abort
end
end
desc 'Install Node dependencies with Yarn'
task install: ['yarn:available'] do
unless system('yarn install --pure-lockfile --ignore-engines --prefer-offline')
abort 'Error: Unable to install node modules.'.color(:red)
end
end
desc 'Remove Node dependencies'
task :clobber do
warn 'Purging ./node_modules directory'.color(:red)
FileUtils.rm_rf 'node_modules'
end
end
desc 'Install Node dependencies with Yarn'
task yarn: ['yarn:install']
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