Module: SimpleFormatter

Defined in:
lib/simple_formatter.rb

Class Method Summary collapse

Class Method Details

.camelize(str) ⇒ Object 



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# File 'lib/simple_formatter.rb', line 37

def self.camelize(str)
  str.to_s.split(/[_\-\s]+/).map(&:capitalize).join
end

.duration(seconds) ⇒ Object 



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# File 'lib/simple_formatter.rb', line 66

def self.duration(seconds)
  h = seconds / 3600
  m = (seconds % 3600) / 60
  s = seconds % 60
  format('%02d:%02d:%02d', h, m, s)
end

.number(n, delimiter: ',', separator: '.') ⇒ Object 



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# File 'lib/simple_formatter.rb', line 47

def self.number(n, delimiter: ',', separator: '.')
  parts = n.to_s.split('.')
  parts[0] = parts[0].reverse.scan(/.{1,3}/).join(delimiter).reverse
  parts.join(separator)
end

.slugify(str) ⇒ Object 



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# File 'lib/simple_formatter.rb', line 33

def self.slugify(str)
  str.to_s.downcase.strip.gsub(/[^\w\s-]/, '').gsub(/[\s_-]+/, '-').gsub(/^-+|-+$/, '')
end

.table(rows, headers: nil) ⇒ Object 



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# File 'lib/simple_formatter.rb', line 53

def self.table(rows, headers: nil)
  all = headers ? [headers] + rows : rows
  widths = (0...all.first.length).map { |i| all.map { |r| r[i].to_s.length }.max }
  line = '+' + widths.map { |w| '-' * (w + 2) }.join('+') + '+'
  result = [line]
  all.each_with_index do |row, idx|
    result << '| ' + row.each_with_index.map { |cell, i| cell.to_s.ljust(widths[i]) }.join(' | ') + ' |'
    result << line if idx == 0 && headers
  end
  result << line
  result.join("\n")
end

.truncate(str, max_len, suffix: '...') ⇒ Object 



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# File 'lib/simple_formatter.rb', line 28

def self.truncate(str, max_len, suffix: '...')
  str = str.to_s
  str.length <= max_len ? str : str[0, max_len - suffix.length] + suffix
end

.underscore(str) ⇒ Object 



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# File 'lib/simple_formatter.rb', line 41

def self.underscore(str)
  str.to_s.gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
          .gsub(/([a-z\d])([A-Z])/, '\1_\2')
          .downcase
end