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# frozen_string_literal: true
# typed: true
module T::Private::Abstract::Hooks
# This will become the self.extend_object method on a module that extends Abstract::Hooks.
# It gets called when *that* module gets extended in another class/module (similar to the
# `extended` hook, but this gets calls before the ancestors of `other` get modified, which
# is important for our validation).
private def extend_object(other)
T::Private::Abstract::Data.set(self, :last_used_by, other)
super
end
# This will become the self.append_features method on a module that extends Abstract::Hooks.
# It gets called when *that* module gets included in another class/module (similar to the
# `included` hook, but this gets calls before the ancestors of `other` get modified, which
# is important for our validation).
private def append_features(other)
T::Private::Abstract::Data.set(self, :last_used_by, other)
super
end
# This will become the self.inherited method on a class that extends Abstract::Hooks.
# It gets called when *that* class gets inherited by another class.
private def inherited(other)
super
# `self` may not actually be abstract -- it could be a concrete class that inherited from an
# abstract class. We only need to check this in `inherited` because, for modules being included
# or extended, the concrete ones won't have these hooks at all. This is just an optimization.
return if !T::AbstractUtils.abstract_module?(self)
T::Private::Abstract::Data.set(self, :last_used_by, other)
end
# This will become the self.prepended method on a module that extends Abstract::Hooks.
# It will get called when *that* module gets prepended in another class/module.
private def prepended(other)
# Prepending abstract methods is weird. You'd only be able to override them via other prepended
# modules, or in subclasses. Punt until we have a use case.
Kernel.raise "Prepending abstract mixins is not currently supported."
end
end
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