47 lines
1.4 KiB
Ruby
47 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Zeitwerk
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class Inflector
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# Very basic snake case -> camel case conversion.
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#
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# inflector = Zeitwerk::Inflector.new
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# inflector.camelize("post", ...) # => "Post"
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# inflector.camelize("users_controller", ...) # => "UsersController"
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# inflector.camelize("api", ...) # => "Api"
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#
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# Takes into account hard-coded mappings configured with `inflect`.
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#
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# @sig (String, String) -> String
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def camelize(basename, _abspath)
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overrides[basename] || basename.split('_').each(&:capitalize!).join
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end
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# Configures hard-coded inflections:
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#
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# inflector = Zeitwerk::Inflector.new
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# inflector.inflect(
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# "html_parser" => "HTMLParser",
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# "mysql_adapter" => "MySQLAdapter"
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# )
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#
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# inflector.camelize("html_parser", abspath) # => "HTMLParser"
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# inflector.camelize("mysql_adapter", abspath) # => "MySQLAdapter"
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# inflector.camelize("users_controller", abspath) # => "UsersController"
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#
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# @sig (Hash[String, String]) -> void
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def inflect(inflections)
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overrides.merge!(inflections)
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end
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private
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# Hard-coded basename to constant name user maps that override the default
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# inflection logic.
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#
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# @sig () -> Hash[String, String]
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def overrides
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@overrides ||= {}
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end
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end
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end
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