willnet

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  gem "rails", "7.0.8.4"
  # If you want to test against edge Rails replace the previous line with this:
  # gem "rails", github: "rails/rails", branch: "main"

willnet

これはなに

• 現時点(2024/08/30)でRails7.2.1がリリースされています
• Ruby on Rails 7.2 Release Notes — Ruby on Rails Guides にメジャーフィーチャーが書かれている
• マイナーフィーチャーはよくわからないので、個人的に気になったマイナーフィーチャをまとめています

Railties

rails bootコマンドの追加

willnet

require 'set'

class InspectAssociations
  def self.call(model)
    new.call(model)
  end

  def call(model)
    return if set.include?(model)
    set.add(model)

willnet

require 'ferrum'
require 'base64'

browser = Ferrum::Browser.new(logger: File.open('/tmp/hoge.log', 'w'))

Dir.mktmpdir do |dir|
  browser.on('Page.screencastFrame') do |params, index, total|
    File.open("#{dir}/#{Time.now.strftime('%Y%m%d%H%M%S%L.jpeg')}", 'w') do |f|
      f.write(Base64.decode64(params['data']))
    end

willnet

ActiveRecord::Base.descendants.reject(&:abstract_class?).each do |model|
  string_or_text_columns = model.columns.select { |column| column.type == :string || column.type == :text }
  columns_with_maximum_length_validation = model.validators.select {|v| v.is_a? ActiveRecord::Validations::LengthValidator }.select {|v| v.options[:maximum] || v.options[:within] }.map(&:attributes).flatten.uniq
  string_or_text_columns.each do |column|
    if columns_with_maximum_length_validation.include?(column.name.to_sym)
      puts "#{model.name}##{column.name} is OK"
    else
      puts "#{model.name}##{column.name} is NG"
    end
  end

willnet

// chromeを利用して、ユーザ一覧を表示しつつconsoleで↓を実行すると、現在の参加者からランダムで一人表示することができます

const names_array = document.querySelector("[aria-label='参加者']").innerText.split("\n").filter((word)=> !word.match(/\（|メイン|ミュート|主催者|あなたの画面共有|その他の操作|keep_off|more_vert|keep|domain_disabled/))
const names_set = new Set(names_array)
const names_uniq_array = Array.from(names_set)
names_uniq_array[Math.floor(Math.random() * names_uniq_array.length)]

willnet

source 'https://rubygems.org'

platforms :jruby do
  gem 'railties'
end

group :test do
  gem 'railties'
end

willnet

class ApplicationRecord < ActiveRecord::Base
  @ar_initialize_counter = Hash.new(0)
  @ar_find_counter = Hash.new(0)

  after_initialize :count_initialize

  def count_initialize
    return unless ApplicationRecord.enable_counter?
    gems_paths = (Gem.path | [Gem.default_dir]).map { |p| Regexp.escape(p) }
    caller_in_app = caller.find { |file_and_lineno| file_and_lineno !~ gems_paths}

willnet

{
  "mode": "development",
  "output": {
    "filename": "js/[name]-[contenthash].js",
    "chunkFilename": "js/[name]-[contenthash].chunk.js",
    "hotUpdateChunkFilename": "js/[id]-[hash].hot-update.js",
    "path": "/Users/willnet/tmp/webpacker5/public/packs",
    "publicPath": "/packs/"
  },
  "resolve": {

willnet

Rails 6.1で新しく入る機能について

@willnet

最近のRailsリリース日

• 6.0.0 (2019/08/06)
• 5.2.0 (2018/04/09)
• 5.1.0 (2017/04/27)
• 5.0.0 (2016/06/30)