Class: GraphQL::Upgrader::MutationResolveProcToMethodTransform
- Inherits:
-
Transform
- Object
- Transform
- GraphQL::Upgrader::MutationResolveProcToMethodTransform
- Defined in:
- lib/graphql/upgrader/member.rb
Instance Method Summary collapse
-
#apply(input_text) ⇒ Object
TODO dedup with ResolveProcToMethodTransform.
-
#initialize(proc_name: "resolve") ⇒ MutationResolveProcToMethodTransform
constructor
A new instance of MutationResolveProcToMethodTransform.
Methods inherited from Transform
#apply_processor, #normalize_type_expression, #reindent_lines, #trim_lines, #underscorize
Constructor Details
#initialize(proc_name: "resolve") ⇒ MutationResolveProcToMethodTransform
Returns a new instance of MutationResolveProcToMethodTransform.
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# File 'lib/graphql/upgrader/member.rb', line 364 def initialize(proc_name: "resolve") @proc_name = proc_name end |
Instance Method Details
#apply(input_text) ⇒ Object
TODO dedup with ResolveProcToMethodTransform
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# File 'lib/graphql/upgrader/member.rb', line 369 def apply(input_text) if input_text =~ /GraphQL::Relay::Mutation\.define/ named_proc_processor = apply_processor(input_text, ProcToClassMethodTransform::NamedProcProcessor.new(@proc_name)) resolve_proc_processor = apply_processor(input_text, ResolveProcToMethodTransform::ResolveProcProcessor.new) named_proc_processor.proc_to_method_sections.zip(resolve_proc_processor.resolve_proc_sections).reverse.each do |pair| proc_to_method_section, resolve_proc_section = *pair proc_body = input_text[proc_to_method_section.proc_body_start..proc_to_method_section.proc_body_end] method_defn_indent = " " * proc_to_method_section.proc_defn_indent obj_arg_name, args_arg_name, ctx_arg_name = resolve_proc_section.proc_arg_names # This is not good, it will hit false positives # Should use AST to make this substitution if obj_arg_name != "_" proc_body.gsub!(/([^\w:.]|^)#{obj_arg_name}([^\w:]|$)/, '\1object\2') end if ctx_arg_name != "_" proc_body.gsub!(/([^\w:.]|^)#{ctx_arg_name}([^\w:]|$)/, '\1context\2') end method_defn = "def #{@proc_name}(**#{args_arg_name})\n#{method_defn_indent} #{proc_body}\n#{method_defn_indent}end\n" method_defn = trim_lines(method_defn) # Update usage of args keys method_defn = method_defn.gsub(/#{args_arg_name}(?<method_begin>\.key\?\(?|\[)["':](?<arg_name>[a-zA-Z0-9_]+)["']?(?<method_end>\]|\))?/) do method_begin = $~[:method_begin] arg_name = underscorize($~[:arg_name]) method_end = $~[:method_end] "#{args_arg_name}#{method_begin}:#{arg_name}#{method_end}" end # replace the proc with the new method input_text[proc_to_method_section.proc_defn_start..proc_to_method_section.proc_defn_end] = method_defn end end input_text end |