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class ActiveSupport::Editor

Public class methods

current()

Returns the current editor pattern if it is known. First check for the RAILS_EDITOR environment variable, and if it’s missing, check for the EDITOR environment variable.

Source code GitHub 
# File activesupport/lib/active_support/editor.rb, line 28
def current
  if @current == false
    @current = if editor_name = ENV["RAILS_EDITOR"] || ENV["EDITOR"]
      @editors[editor_name]
    end
  end
  @current
end

register(name, url_pattern, aliases: [])

Registers a URL pattern for opening file in a given editor. This allows Rails to generate clickable links to control known editors.

Example:

ActiveSupport::Editor.register(“myeditor”, “myeditor://%s:%d”)

Source code GitHub 
# File activesupport/lib/active_support/editor.rb, line 17
def register(name, url_pattern, aliases: [])
  editor = new(url_pattern)
  @editors[name] = editor
  aliases.each do |a|
    @editors[a] = editor
  end
end

Definition files