Module: Irb::Autosuggestions::LineEditorPatch

Defined in:
lib/irb/autosuggestions/line_editor_patch.rb

Overview

Patches Reline::LineEditor to display fish-like autosuggestions from history. rubocop:disable Metrics/ModuleLength, SortedMethodsByCall/Waterfall

Constant Summary collapse

GRAY = 
"\e[90m"
DIM = 
"\e[2m"
RESET_COLOR = 
"\e[39;49m"
RESET = 
"\e[0m"
FG_COLORS = 
((30..37).to_a + (90..97).to_a + [38, 39]).freeze
CONFIG_KEY = 
:USE_AUTOSUGGESTIONS
ENV_KEY = 
'IRB_AUTOSUGGESTIONS'
CONFIG_NAV_KEY = 
:USE_PREFIX_HISTORY_NAVIGATION
ENV_NAV_KEY = 
'IRB_PREFIX_HISTORY_NAVIGATION'

Instance Method Summary collapse

Instance Method Details

#input_key(key) ⇒ Object

Intercepts key input to accept autosuggestions on right arrow and clears the prefix navigation anchor on non-history keys.

Parameters:

  • key (Object) —

    A Reline key event.

Returns:

  • (Object) 


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# File 'lib/irb/autosuggestions/line_editor_patch.rb', line 23

def input_key(key)
  clear_prefix_anchor if navigation_enabled? && !history_navigation_key?(key)

  if enabled? && right_arrow?(key)
    buffer = whole_buffer
    suggestion = find_suggestion(buffer)

    if suggestion && suggestion != buffer
      accept_suggestion(suggestion)
      return
    end
  end

  super
end