Module: RubyLsp::TypeGuessr::Dsl::ArTypeMapper

Defined in:
lib/ruby_lsp/type_guessr/dsl/ar_type_mapper.rb

Overview

Maps ActiveRecord column type strings to TypeGuessr Types. Pure mapping with no external dependencies. AR-specific: Mongoid provides Ruby types directly in field declarations.

Class Method Summary collapse

Class Method Details

.map(ar_type, nullable: true) ⇒ Object 



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# File 'lib/ruby_lsp/type_guessr/dsl/ar_type_mapper.rb', line 12

def self.map(ar_type, nullable: true)
  base = case ar_type.to_s
         when "string", "text"
           ::TypeGuessr::Core::Types::ClassInstance.for("String")
         when "integer", "bigint"
           ::TypeGuessr::Core::Types::ClassInstance.for("Integer")
         when "boolean"
           ::TypeGuessr::Core::Types::Union.new([
                                                  ::TypeGuessr::Core::Types::ClassInstance.for("TrueClass"),
                                                  ::TypeGuessr::Core::Types::ClassInstance.for("FalseClass"),
                                                ])
         when "float"
           ::TypeGuessr::Core::Types::ClassInstance.for("Float")
         when "decimal"
           ::TypeGuessr::Core::Types::ClassInstance.for("BigDecimal")
         when "date"
           ::TypeGuessr::Core::Types::ClassInstance.for("Date")
         when "datetime", "timestamp"
           ::TypeGuessr::Core::Types::ClassInstance.for("ActiveSupport::TimeWithZone")
         when "json", "jsonb"
           ::TypeGuessr::Core::Types::ClassInstance.for("Hash")
         else
           ::TypeGuessr::Core::Types::Unknown.instance
         end

  if nullable && !base.is_a?(::TypeGuessr::Core::Types::Unknown)
    nil_type = ::TypeGuessr::Core::Types::ClassInstance.for("NilClass")
    if base.is_a?(::TypeGuessr::Core::Types::Union)
      ::TypeGuessr::Core::Types::Union.new(base.types + [nil_type])
    else
      ::TypeGuessr::Core::Types::Union.new([base, nil_type])
    end
  else
    base
  end
end