Module: CMDx::Coercions::Boolean

Extended by:

Boolean

Included in:

Boolean

Defined in:

lib/cmdx/coercions/boolean.rb

Overview

Coerces to Boolean by matching the string form against the TRUTHY and FALSEY sets (case- and whitespace-insensitive). Anything else (including ‘nil`) fails.

Constant Summary

TRUTHY =

Set["true", "yes", "on", "y", "1", "t"].freeze

FALSEY =

Set["false", "no", "off", "n", "0", "f"].freeze

Instance Method Summary

• #call(value, options = EMPTY_HASH) ⇒ Boolean, Coercions::Failure

Instance Method Details

#call(value, options = EMPTY_HASH) ⇒ Boolean, Coercions::Failure

Parameters:

• value (Object)
• options (Hash{Symbol => Object}) (defaults to: EMPTY_HASH)

Options Hash (options):

• reserved (Object) —

  for future per-coercion configuration (currently ignored)

Returns:

• (Boolean, Coercions::Failure)

# File 'lib/cmdx/coercions/boolean.rb', line 19

def call(value, options = EMPTY_HASH)
  return coercion_failure if value.nil?

  str = value.to_s.strip.downcase
  return true if TRUTHY.include?(str)
  return false if FALSEY.include?(str)

  coercion_failure
end