Module: Wokku::Output

Defined in:
lib/wokku/output.rb

Class Method Summary collapse

Class Method Details

.puts_json(data) ⇒ Object 



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# File 'lib/wokku/output.rb', line 21

def puts_json(data)
  puts JSON.pretty_generate(data)
end

.render(data) ⇒ Object

Smart printer for read commands: prints raw API response as JSON when the global –json flag is set; otherwise yields to the human formatter.



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# File 'lib/wokku/output.rb', line 27

def render(data)
  if Wokku.json?
    puts JSON.pretty_generate(data)
  else
    yield data
  end
end

.status(message) ⇒ Object

Suppressible status / hint message. Silenced by –quiet or –json. Errors should NOT use this — they go through ‘abort` which writes to stderr and is never silenced.



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# File 'lib/wokku/output.rb', line 38

def status(message)
  return if Wokku.quiet? || Wokku.json?
  puts message
end

.table(rows, headers: nil) ⇒ Object 



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# File 'lib/wokku/output.rb', line 9

def table(rows, headers: nil)
  return if rows.empty?
  cols = (headers || rows.first.keys).map(&:to_s)
  widths = cols.map(&:length)
  rows.each { |r| cols.each_with_index { |c, i| widths[i] = [widths[i], r[c].to_s.length].max } }

  fmt = widths.map { |w| "%-#{w}s" }.join("  ")
  puts fmt % cols.map(&:upcase)
  puts widths.map { |w| "-" * w }.join("  ")
  rows.each { |r| puts fmt % cols.map { |c| r[c] } }
end