Class: Pathname

Inherits:

Object

show all

Defined in:: lib/active_support/core_ext/object/json.rb,
lib/active_support/core_ext/pathname/blank.rb,
lib/active_support/core_ext/pathname/existence.rb

Overview

:nodoc:

#as_json(options = nil) ⇒ Object
#blank? ⇒ true, false

An Pathname is blank if it’s empty:.
#existence ⇒ Pathname

Returns the receiver if the named file exists otherwise returns nil.
#present? ⇒ Boolean

:nodoc:.



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# File 'lib/active_support/core_ext/object/json.rb', line 231

def as_json(options = nil)
  to_s
end

An Pathname is blank if it’s empty:

Pathname.new("").blank?      # => true
Pathname.new(" ").blank?     # => false
Pathname.new("test").blank?  # => false

Returns:



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# File 'lib/active_support/core_ext/pathname/blank.rb', line 13

def blank?
  to_s.empty?
end

Returns the receiver if the named file exists otherwise returns nil. pathname.existence is equivalent to

pathname.exist? ? pathname : nil

For example, something like

content = pathname.read if pathname.exist?

becomes

content = pathname.existence&.read

Returns:



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# File 'lib/active_support/core_ext/pathname/existence.rb', line 20

def existence
  self if exist?
end

:nodoc:

Returns:



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# File 'lib/active_support/core_ext/pathname/blank.rb', line 17

def present? # :nodoc:
  !to_s.empty?
end