43 lines
1.1 KiB
Ruby
43 lines
1.1 KiB
Ruby
# typed: strong
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# frozen_string_literal: true
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module Homebrew
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class AbstractCommand
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extend T::Helpers
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abstract!
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class << self
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# registers subclasses for lookup by command name
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sig { params(subclass: T.class_of(AbstractCommand)).void }
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def inherited(subclass)
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super
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@cmds ||= T.let({}, T.nilable(T::Hash[String, T.class_of(AbstractCommand)]))
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@cmds[subclass.command_name] = subclass
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end
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sig { params(name: String).returns(T.nilable(T.class_of(AbstractCommand))) }
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def command(name) = @cmds&.[](name)
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sig { returns(String) }
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def command_name = T.must(name).split("::").fetch(-1).downcase
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end
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# @note because `Args` makes use `OpenStruct`, subclasses may need to use a tapioca compiler,
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# hash accessors, args.rbi, or other means to make this work with legacy commands:
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sig { returns(Homebrew::CLI::Args) }
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attr_reader :args
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sig { void }
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def initialize
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@args = T.let(raw_args.parse, Homebrew::CLI::Args)
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end
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sig { abstract.returns(CLI::Parser) }
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def raw_args; end
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sig { abstract.void }
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def run; end
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end
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end
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