pocke

class C
  def self.new: (String) -> untyped
end

class C2 < C
end

module M
  def initialize: (String, Integer) -> void
end

pocke

using Module.new {
  refine ThreadGroup do
    attr_accessor :fake_ractor
  end
}

class FakeRactor
  def initialize(*args, name: nil, &block)
    @name = name
    @incoming = Thread::Queue.new

pocke

rules:
  - id: sample.delete_all
    pattern:
      - delete_all
      - update_all
    message: |
      これらはvalidationやcallbackをスキップするので危険かもしれません。
    justification:
      - どうしても高速に update/destroy したい場合

pocke

module ActiveRecord
  def self.eager_load!: () -> untyped

  def self.gem_version: () -> untyped

  def self.version: () -> untyped
end

class ActiveRecord::ActiveRecordError < StandardError
end

pocke

# Devise

extension ApplicationController (Devise)
  def current_user: () -> User
end

class DeviseController < ApplicationController
end

class Devise::SessionsController < DeviseController

pocke

require 'net/http'
require 'json'

TEAM = ENV['TEAM'] or raise 'TEAM env is required'
TOKEN = ENV['KIBELA_ACCESS_TOKEN'] or raise 'KIBELA_ACCESS_TOKEN env is required'

def req(query)
  http = Net::HTTP.new("#{TEAM}.kibe.la", 443)
  http.use_ssl = true
  header = {

pocke

Rails.envを減らしたい

TL;DR

• if Rails.env.production?をやめて、if ENV['ENABLE_HOGEHOGE_FEATURE']のように書いていこう

Kibelaの現状

Rails.envがたくさん生えています。

pocke

require 'ast'
require 'strscan'

class RuremaParser
  def initialize(text, path: nil)
    @text = text
    @path = path
    @index = 0
  end

pocke

namespace :steep do
  task gen: %i[base copy ar2rbs path_helper]

  task :base do
    require 'ruby/signature'

    sig_base_path = Rails.root.join('sig/base.rbs')

    files = Dir.glob(['app/**/*.rb', 'lib/**/*.rb']).sort
    sh 'bundle', 'exec', 'rbs', 'prototype', 'rb', *files, :out => sig_base_path.to_s

pocke

diff --git a/tmp/before.rbs b/tmp/after.rbs
index b67bb830f..49b9c3bdf 100644
--- a/tmp/before.rbs
+++ b/tmp/after.rbs
@@ -271,7 +271,7 @@ class RuboCop::AST::CaseNode < Node
   # Returns the keyword of the `case` statement as a string.
   #
   # @return [String] the keyword of the `case` statement
-  def keyword: () -> untyped
+  def keyword: () -> "case"