Convert to TypedDocumentNode

convert.rb

# Convert your codebase to use TypedDocumentNode. It's not perfect, but
# it does a pretty decent job. You'll want to review the changes manually.
# Usage: ruby convert.rb [...GLOBS]
# Example: ruby convert.rb "src/**/*.{ts,tsx}"

require "set"

def convert_import(line)
  parts = line.scan(/use(\w+)(Query|Mutation)/)
  return [line] if parts.empty?

  use = Set.new
  docs = Set.new
  path = line.match(/"(.*)"/)[1]

  parts.each do |name, type|
    use << "use#{type}"
    docs << "#{name}Document"
  end

  [
    %(import { #{use.join(", ")} } from "@apollo/client";\n),
    %(import { #{docs.join(", ")} } from "#{path}";\n)
  ]
end

def convert(lines)
  lines.flat_map do |line|
    if line.start_with?("import")
      convert_import(line)
    else
      find = /use(\w+)(Query|Mutation)\(/
      replace = "use\\2(\\1Document, "
      [line.sub(find, replace).sub("Document, );", "Document);")]
    end
  end
end

Dir.glob(ARGV) do |path|
  lines = File.readlines(path)
  lines = convert(lines)
  File.write path, lines.join
end