Jets Custom Jbuilder Renderer

Important: These docs are for the outdated Jets 5 versions and below. For the latest Jets docs: docs.rubyonjets.com

Here’s a cheatsheet that shows how to set up a jbuilder renderer. Note, with Jets this is not included by default.

Gemfile

Adding the jbuilder-jets gem is enough to register the template handler.

Gemfile

gem "jbuilder-jets"

We’ll cover the posts#index action view.

app/views/posts/index.json.jbuilder

json.array! @posts, partial: "posts/post", as: :post

app/views/posts/_post.json.jbuilder

json.extract! post, :id, :title, :body, :published, :created_at, :updated_at
json.url post_url(post, format: :json)

Notice how you can use helpers like post_url.

app/controllers/posts_controller.rb

class PostsController < ApplicationController
  def index
    @posts = Post.all.limit(2)
  end
end

config/routes.rb

Jets.application.routes.draw do
  resources :posts
end