Module: TTY::Table::Columns Private

Defined in:
lib/greenhat/tty/columns.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

A module for calculating table data column widths

Used by TTY::Table to manage column sizing.

Class Method Summary collapse

Class Method Details

.widths_from(table, column_widths = nil) ⇒ Array[Integer]

Converts column widths to array format or infers default widths

Parameters:

  • table (TTY::Table)
  • column_widths (Array, Numeric, NilClass) (defaults to: nil)

Returns:

  • (Array[Integer]) 


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# File 'lib/greenhat/tty/columns.rb', line 20

def widths_from(table, column_widths = nil)
  case column_widths
  when Array
    assert_widths(column_widths, table.columns_size)
    Array(column_widths).map(&:to_i)
  when Numeric
    Array.new(table.columns_size, column_widths)
  when NilClass
    # THE SHIM! Strings that are too large fail to render correctly to do an empty result
    # Set the maximum table width to half the screen size. Can't be full size due to the table headers
    LogBot.debug('TTY Column Width') if ENV['DEBUG']

    # TODO: Check Empty Results
    return [0] if table.data.empty?

    extract_widths(table.data).map { |x| x >= TTY::Screen.width ? (TTY::Screen.width * 3 / 4) : x }

  else
    raise TypeError, 'Invalid type for column widths'
  end
end