javascript

erb
<%# Append is also broadcast from the model; this response scrolls the author's view %>
<%= turbo_stream.append "messages" do %>
  <%= render partial: "messages/message", locals: { message: @message } %>
<% end %>

<turbo-stream action="scroll_to" target="<%= dom_id(@message) %>" behavior="smooth" block="end">

Scroll into view after append using a custom Turbo Stream action

rails hotwire turbo
by codesnips 4 tabs
javascript
// Creating elements
const div = document.createElement('div');
div.id = 'container';
div.className = 'box rounded';
div.textContent = 'Hello World';

DOM manipulation best practices and performance optimization

javascript dom manipulation
by Alex Chang 1 tab
javascript
import { Controller } from "@hotwired/stimulus"

export default class extends Controller {
  static targets = ["container", "dialog"]

  connect() {

Accessible modal dialogs with Stimulus and ARIA

stimulus accessibility ux
by Jordan Lee 2 tabs
ruby
class ApplicationController < ActionController::Base
  protect_from_forgery with: :exception

  before_action :authenticate_user!
end

CSRF protection for Rails and JSON APIs

csrf rails api
by Kai Nakamura 2 tabs
javascript
import { Controller } from "@hotwired/stimulus"

export default class extends Controller {
  static targets = ["count", "button"]
  static values = {
    url: String,

Optimistic UI updates with Turbo Streams

hotwire turbo stimulus
by Jordan Lee 3 tabs
javascript
import { Controller } from "@hotwired/stimulus"
import consumer from "../channels/consumer"

export default class extends Controller {
  static values = { roomId: Number }

Typing indicator via ActionCable + Turbo Streams

rails hotwire turbo
by Henry Kim 3 tabs
erb
<h1><%= @post.title %></h1>
<p><%= @post.author_name %></p>

<%# Only sanitized rich text should be rendered as HTML %>
<div class="prose"><%= sanitize(@post.body_html, tags: %w[p a ul ol li strong em code], attributes: %w[href]) %></div>

Cross site scripting defense with output encoding and CSP

xss content-security-policy owasp
by Kai Nakamura 3 tabs
ruby
class AdminController < ApplicationController
  before_action :authenticate_admin!
  before_action :disable_turbo_cache, only: %i[dashboard moderation_queue]

  helper_method :turbo_cache_control_tag

Turbo Drive: disable caching on volatile admin pages

rails turbo hotwire
by codesnips 3 tabs
javascript
// Theme switching with CSS variables
const themeToggle = document.getElementById('theme-toggle');
const root = document.documentElement;

// Load saved theme
const savedTheme = localStorage.getItem('theme') || 'light';

CSS custom properties (CSS variables) for dynamic theming

css variables custom-properties
by Alex Chang 2 tabs
erb
<%= form_with model: @document, data: { controller: "upload" } do |form| %>
  <div class="field">
    <%= form.label :file, "Attach a document" %>
    <%= form.file_field :file,
          direct_upload: true,
          data: { upload_target: "input" } %>

Active Storage direct upload progress with Stimulus

rails hotwire stimulus
by codesnips 3 tabs
javascript
import { Controller } from "@hotwired/stimulus"

export default class extends Controller {
  static targets = ["input"]
  static values = { wait: { type: Number, default: 300 }, url: String }

Stimulus: debounced search that plays nicely with Turbo

rails stimulus hotwire
by codesnips 3 tabs
css
.turbo-progress-bar {
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--progress-start, #6366f1),
    var(--progress-end, #ec4899)

Customize Turbo progress bar styling with Tailwind/CSS

rails hotwire turbo
by codesnips 3 tabs