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)

willnet

Calculating -------------------------------------
        erubi v1.9.0    20.994k i/100ms
         slim v4.0.1    20.212k i/100ms
         haml v5.1.2    11.562k i/100ms
         faml v0.8.1    18.360k i/100ms
      hamlit v2.10.0    21.497k i/100ms
-------------------------------------------------
        erubi v1.9.0    245.242k (± 1.6%) i/s -      1.239M
         slim v4.0.1    233.443k (± 2.2%) i/s -      1.172M

willnet

class WrapperForKaminari
  attr_reader :total_count, :per, :page
  delegate_missing_to :@models

  def initialize(models:, total_count:, per:, page:)
    @models = models
    @total_count = total_count
    @per = per
    @page = page
  end

willnet

module M
  def call
    puts 'M'
    super
  end
end

class Parent
  def call
    puts 'Parent'

willnet

def suppress_stdout
  original_stdout = $stdout
  $stdout = File.open(File::NULL, 'w')
  result = yield
ensure
  $stdout = original_stdout
  result
end

module ObjectExt

willnet

FROM ubuntu:14.04

RUN apt-get update

## Default Packages
RUN apt-get install -y -q ruby1.9.1 ruby1.9.1-dev build-essential
RUN apt-get install -y nano wget links curl rsync bc git git-core apt-transport-https libxml2 libxml2-dev libcurl4-openssl-dev openssl sqlite3 libsqlite3-dev
RUN apt-get install -y gawk libreadline6-dev libyaml-dev autoconf libgdbm-dev libncurses5-dev automake libtool bison libffi-dev

## Ruby

willnet

git_source(:github) do |repo_name|
  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?('/')
  "https://github.com/#{repo_name}.git"
end

source 'https://rubygems.org'

ruby '2.4.2'

gem 'active_decorator'

willnet

## 感想

全体的に地味

## Adapter

いろいろadapterがある

- db2
- firebird

willnet

generate(:model, 'article')
generate(:model, 'event')
generate(:model, 'comment commentable:references{polymorphic}:index')

rake('db:migrate')

insert_into_file 'app/models/article.rb', "has_many :comments, as: :commentable\n", after: "class Article < ApplicationRecord\n"
insert_into_file 'app/models/event.rb', "has_many :comments, as: :commentable\n", after: "class Event < ApplicationRecord\n"

create_file 'db/seeds.rb' do

willnet

RUBY_CONFIGURE_OPTS=--with-readline-dir=`brew --prefix readline` rbenv install 2.4.1