Next 15 & React 19 | The Road to Web Development

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The Road to Next (Basic)

Introduction

Welcome to The Road to Next (6:55)
Foreword by Delba de Oliveira, DX Engineer at Vercel
How did you hear about the course?
Join the Community
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Changelog

Setup

Software to create Software (1:32)
Visual Studio Code (VSCode) (2:31)
External Terminal (Optional) (1:43)
Browser (2:25)
Node (2:52)
NPM (2:01)

React Primer (Optional)

Manual setup in Next (9:37)
JSX (2:33)
Components (3:21)
Props (3:06)
Styling (1:13)
Interactions (2:27)
State (3:00)
Composition (3:33)
File Extraction (1:06)
Outro (1:47)

Pitfalls

What are pitfalls? (1:20)
Restarting Things (2:21)
Wrong (Auto) Imports (1:48)
npm install --force (2:12)
Breaking Changes (2:04)

Next.js

create-next-app [C] (6:58)
Next 15 & React 19 (2:52)
Exploring the Starter (6:53)
Git & GitHub (5:54)
Quiz
Deploy (4:17)
Exploring the finished Project (Basic + Pro Course) (22:51)
Finished Project (Basic Course) (Optional)

ESLint (Optional)

Script (4:21)
Quiz
Import Sort [C] (3:04)

File-Based Routing

Pages (5:00)
Quiz
Static and Dynamic Routes [B] (5:05)
Quiz
Link Components (7:06)
Quiz
Absolute Imports (0:47)
Quiz
Path Constants (2:07)
Typed Routes (NEW)
Layout (5:20)
Quiz

TypeScript

Script (2:21)
const Assertions (4:05)

Styling

Tailwind CSS [C] (4:44)
Tailwind CSS in Next (8:25)
Conditional Style (1:49)
Animations with Tailwind [C] (2:29)
Question
SVGs (2:14)

UI Library

Setup [B] (6:04)
Button (4:39)
Card (6:24)
Separator (2:13)
Icons [C] (5:16)
Theming (2:21)
Question

Component Folder

Heading (4:33)
Header (2:22)
Placeholder [C] (9:42)
Quiz

Feature Folder

Intro [B] (1:47)
Extract (4:34)
Quiz
Modify (4:25)
Reuse (4:59)
Quiz

Project Structure

Recap (3:51)
Question

Light & Dark Mode

Implementation (13:15)
Quiz

Server vs Client Components

History Lesson
Data Fetching in Client Components (9:44)
Characteristics of Client Components (2:16)
Quiz
Client-Server Boundary [C] (5:03)
Quiz
Client-Server Composition (3:59)
Quiz

Server Components

History Lesson
Data Fetching in Server Components (6:17)
Question
Quiz
Quiz
SSR vs Server Components (2:40)
Quiz
Server-Side Rendering (4:10)
Streaming (3:40)
Suspense (2:49)

Fallback Routes

Introduction (0:53)
Loading Route (3:20)
Error Route (3:33)
Error Boundary (Optional) (2:55)
Question
Not Found Route (1:59)
Nearest Boundary Bubbling (3:10)

Database

Connect to Database (7:21)

ORM

Prisma (1:29)
Prisma Schema (9:28)
Seeding the Database (7:30)
Prisma Studio (1:53)

Server Queries

Prisma Client (2:20)
Database Queries (6:02)
ORM generated Types (1:51)
Typed APIs (Optional) (4:39)

Server Actions

Server Actions in Client Components (8:57)
Server Actions in Server Components (4:02)
Question

Redirect

redirect (1:13)

Caching

What is caching?
Development vs Production (1:37)
Router Cache (5:35)
Full Route Cache (1:40)
Static vs Dynamic Rendering (6:58)
Time-Based Cache (ISR) (2:44)
On-Demand Caching (ISR) (2:55)
Where do we cache? (1:01)
Request Memoization (5:45)
Generate Static Params (Optional) (3:18)
When to use which caching strategy?
Recap (2:18)

Forms with Server Actions

Create Form (12:12)
Configuration over Composition (Software Craftsmanship) (3:45)
Edit Form [B] (13:04)
DRY with Abstractions (Software Craftsmanship) (8:16)

Forms

Progressive Enhancement (2:49)
useTransition (3:33)
useFormStatus (4:23)
useActionState (3:33)
Form Validation (6:09)
Form Reset (3:26)
Error Handling (6:40)
Field Errors in Forms (7:28)
Premature Optimization (Software Craftsmanship) (7:30)
Action Callbacks (12:49)
Debugging (Software Craftsmanship) (7:57)
Toast Feedback (5:57)
Form Abstraction (4:54)

Cookies

Cookie API [B] (5:11)
Set Cookie [B] (2:18)
Read Cookie [B] (9:57)
Consume Cookie [I]

Templates and Layouts

Pages vs Layouts (4:58)
Layouts vs Templates (5:14)

Database Migrations

Schema Changes (15:53)
Working with Currencies (Bonus) (10:38)
Working with Dates (Bonus) (10:06)

Advanced UIs

Close DatePicker (Controlled Component) (3:46)
Reset DatePicker (key) (4:24)
Exposing Callback Handlers (3:21)
Reset DatePicker (useImperativeHandle) (4:55)
Dropdown Component (6:22)
Ticket Status (Read) (4:20)
Ticket Status (Write) (6:30)
Update Toast Feedback (2:19)
Confirm Dialog (7:31)
Confirm Dialog from Dropdown (Advanced) (7:52)
Delete Toast Feedback (6:41)

Deployment

Development vs Production (4:38)
Vercel (4:17)
Environment Variables (2:56)
Other Environment Variables (3:36)
Question

Authentication

Lucia [B] (7:29)
Paths for Authentication (1:41)
Sign Up (16:06)
Sign In (6:21)
Bugs (Software Craftsmanship) (4:00)
Authentication Status (6:01)
Quiz
Sign Out (9:22)
Header (Server Component) (4:41)
Header (Client Component) (3:07)
The Authentication Flicker [C] (6:49)
Replace Lucia (Challenge)
Question

Database Patterns

One-to-Many Relation (9:24)
Referential Actions (2:36)
Non-Nullable Relation (3:14)
Relation Queries (2:20)
Exclude Sensitive Information (3:11)

Authorization

Protected Routes (8:04)
Where to Authorize? (Discussion)
Ownership (5:35)
Protected APIs (8:15)
Protected UI (2:19)
Quiz

Advanced Navigation

All Tickets vs My Tickets (4:33)
Sidebar (9:51)
Authenticated Sidebar [C] (3:51)
Breadcrumbs (6:10)
Tabs (7:39)
Active Path (Fastest Levenshtein) (8:33)
Account Dropdown (4:33)
Account Page (Challenge)
Quiz
Built-In Sidebar by UI Library (Challenge)

Folder Naming Conventions

Route Groups (3:08)
Private Folders (5:32)

Search & Sort

useSearchParams (7:40)
searchParams [B] (5:31)
Debounce Requests (1:54)
Sort (10:50)

Typed URL State

Typed Search Params [B] (8:04)
useQueryState (9:52)
useQueryStates (6:40)
Composite Key (2:28)
Mediator Components (6:18)
Question

Pagination

URL State (10:49)
Offset-Based Pagination (3:54)
Metadata in Pagination with Prop Drilling (7:29)
Database Transactions (2:08)
Interplay between Interactions (UX) (6:12)
Dynamic Page Size (3:23)

Public API (Route Handler)

Route Handler (5:35)
Route Params in Route Handler [B] (3:39)
Search Params in Route Handler (5:42)

Comments

Intro (with Challenge) (1:37)
Many-to-One Relation (6:24)
Read Comments (10:52)
Create Comment (11:23)
Delete Comment (14:41)
Update Comment (Challenge)

Data Fetching Patterns

Sequential Data Fetching (8:05)
Concurrent Data Fetching (6:13)

Client Components

Explicit Client Components (10:35)
Implicit Client Components (6:24)
Hydration Mismatch (3:00)
Async Client Components (2:28)

Client and Server Components

Client-Server Boundary (1:32)
Client-Server Composition (8:30)

Client-Side React

“use client”; (4:44)
“use server”; (3:15)
Continuous Offset-Based Pagination (6:49)
Initial State (2:34)
Sliding Window (2:58)
Client-Side State: Remove Comment (6:02)
Client-Side State: Add Comment (10:07)
TypeScript Generics (Bonus) (2:44)

Unblocking the UI

Delete Feedback (Toast) (9:08)
Delete Feedback (Button) (4:33)

Cursor-Based Pagination

Cursor-Based Pagination (Timestamp) (5:57)
Cursor-Based Pagination (Unique ID) (5:00)
Native Cursor-Based Pagination (7:02)
Quiz
Deliberate Over-Fetching (3:52)
TypeScript Generics (Bonus) [C] (4:41)

React Query (Optional)

React Query Provider (5:04)
useInfiniteQuery (7:46)
initialData (5:35)
Refetch (Option 1) (3:18)
Invalidate Query (Option 2) (2:14)
Infinite Scroll (4:49)

Domain

Custom Domain (9:52)

End

Write your (public) Feedback
The Road to Next: Software Engineer Journey (Optional)

Pull Requests before The Road to Next (Pro)

feat/migrate-from-lucia-to-oslo

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Next 15 & React 19

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