Building a Headless WordPress App with REST API

Course Overview

Learn how to build a headless app—a standalone app that uses WordPress as a back end—using OAuth2, JavaScript, and the WordPress REST API.

Course Circullum

Introduction

Building a headless app with the WP REST API
Prerequisites for this course

1. Plan the Application

Introduction to the Task Book app
Content model for the application
User flow for the application

2. Extend Core WordPress Functionality

Create a functionality plugin
Add custom post type for tasks
Create new roles
Create new capabilities
Test the REST response

3. Create New Meta Boxes and Fields

Create a status field
Set status field automatically
Add CMB2 for custom meta boxes
Create a custom meta box and fields
Display REST fields using CMB2

4. Authentication with OAuth2

Install and configure the OAuth2 plugin
Send authenticated requests to the REST API
Restrict REST access based on roles

5. Set Up the Headless App

Review of user flow
JavaScript modules and structure
Login by requesting a token
Set up the authorization loop
Set up the logout loop
Request and display latest 10 tasks
Request and display single tasks
Send POST request on new/update task
Display a chart based on task data

Conclusion

Further information

Morten Rand-Hendriksen

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