ruby/lib/error_highlight/core_ext.rb

48 строки
1.4 KiB
Ruby

require_relative "formatter"
module ErrorHighlight
module CoreExt
private def generate_snippet
spot = ErrorHighlight.spot(self)
return "" unless spot
return ErrorHighlight.formatter.message_for(spot)
end
if Exception.method_defined?(:detailed_message)
def detailed_message(highlight: false, error_highlight: true, **)
return super unless error_highlight
snippet = generate_snippet
if highlight
snippet = snippet.gsub(/.+/) { "\e[1m" + $& + "\e[m" }
end
super + snippet
end
else
# This is a marker to let `DidYouMean::Correctable#original_message` skip
# the following method definition of `to_s`.
# See https://github.com/ruby/did_you_mean/pull/152
SKIP_TO_S_FOR_SUPER_LOOKUP = true
private_constant :SKIP_TO_S_FOR_SUPER_LOOKUP
def to_s
msg = super
snippet = generate_snippet
if snippet != "" && !msg.include?(snippet)
msg + snippet
else
msg
end
end
end
end
NameError.prepend(CoreExt)
if Exception.method_defined?(:detailed_message)
# ErrorHighlight is enabled for TypeError and ArgumentError only when Exception#detailed_message is available.
# This is because changing ArgumentError#message is highly incompatible.
TypeError.prepend(CoreExt)
ArgumentError.prepend(CoreExt)
end
end