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class Thor
Correctable = if defined?(DidYouMean::SpellChecker) && defined?(DidYouMean::Correctable) # rubocop:disable Naming/ConstantName
Module.new do
def to_s
super + DidYouMean.formatter.message_for(corrections)
end
def corrections
@corrections ||= self.class.const_get(:SpellChecker).new(self).corrections
end
end
end
# Thor::Error is raised when it's caused by wrong usage of thor classes. Those
# errors have their backtrace suppressed and are nicely shown to the user.
#
# Errors that are caused by the developer, like declaring a method which
# overwrites a thor keyword, SHOULD NOT raise a Thor::Error. This way, we
# ensure that developer errors are shown with full backtrace.
class Error < StandardError
end
# Raised when a command was not found.
class UndefinedCommandError < Error
class SpellChecker
attr_reader :error
def initialize(error)
@error = error
end
def corrections
@corrections ||= spell_checker.correct(error.command).map(&:inspect)
end
def spell_checker
DidYouMean::SpellChecker.new(dictionary: error.all_commands)
end
end
attr_reader :command, :all_commands
def initialize(command, all_commands, namespace)
@command = command
@all_commands = all_commands
message = "Could not find command #{command.inspect}"
message = namespace ? "#{message} in #{namespace.inspect} namespace." : "#{message}."
super(message)
end
prepend Correctable if Correctable
end
UndefinedTaskError = UndefinedCommandError
class AmbiguousCommandError < Error
end
AmbiguousTaskError = AmbiguousCommandError
# Raised when a command was found, but not invoked properly.
class InvocationError < Error
end
class UnknownArgumentError < Error
class SpellChecker
attr_reader :error
def initialize(error)
@error = error
end
def corrections
@corrections ||=
error.unknown.flat_map { |unknown| spell_checker.correct(unknown) }.uniq.map(&:inspect)
end
def spell_checker
@spell_checker ||= DidYouMean::SpellChecker.new(dictionary: error.switches)
end
end
attr_reader :switches, :unknown
def initialize(switches, unknown)
@switches = switches
@unknown = unknown
super("Unknown switches #{unknown.map(&:inspect).join(', ')}")
end
prepend Correctable if Correctable
end
class RequiredArgumentMissingError < InvocationError
end
class MalformattedArgumentError < InvocationError
end
class ExclusiveArgumentError < InvocationError
end
class AtLeastOneRequiredArgumentError < InvocationError
end
end
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