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Learn React, Redux, Node.js, MongoDB, GraphQL, and TypeScript all at once!

This course serves as an introduction to modern web application development with JavaScript. The main focus is on building single page applications with ReactJS that use REST APIs built with Node.js. The course also contains a section on GraphQL, a modern alternative to REST APIs.

Timeline

Part 0: Fundamentals

• a) General info
• b) Fundamentals of Web apps

Part 1: React, JavaScript

• a) Intro to React
• b) JavaScript
• c) Component state, event handlers
• d) A more complex state, debugging React apps

Part 2: Communicating with Server

• a) Rendering a collection, modules
• b) Forms
• c) Getting data from server
• d) Altering data in server
• e) Adding styles to React app

Part 3: Programming a Server with NodeJS and Express

• a) Node.js and Express
• b) Deploying app to internet
• c) Saving data to MongoDB
• d) Validation and ESLint

Part 4: Testing Express Servers, User Administration

• a) Structure of backend application, introduction to testing
• b) Testing the backend
• c) User administration
• d) Token authentication
• e) Legacy: Testing with Jest

Part 5: Testing React Apps

• a) Login in frontend
• b) props.children and proptypes
• c) Testing React apps
• d) End to end testing: Playwright
• e) End to end testing: Cypress

Part 6: Advanced State Management

• a) Flux-architecture and Redux
• b) Many reducers
• c) Communicating with server in a Redux application
• d) React Query, useReducer and the context

Part 7: React Router, Custom Hooks, Styling App with CSS and Webpack

• a) React Router
• b) Custom hooks
• c) More about styles
• d) Webpack
• e) Class components, Miscellaneous
• f) Exercises: extending the bloglist

Part 8: GraphQL

• a) GraphQL-server
• b) React and GraphQL
• c) Database and user administration
• d) Login and updating the cache
• e) Fragments and subscriptions

Part 9: TypeScript

• a) Background and introduction
• b) First steps with TypeScript
• c) Typing an Express app
• d) React with types
• e) Grande finale: Patientor

Part 10: React Native

• a) Introduction to React Native
• b) React Native basics
• c) Communicating with server
• d) Testing and extending our application

Part 11: CI/CD

• a) Introduction to CI/CD
• b) Getting started with GitHub Actions
• c) Deployment
• d) Keeping green
• e) Expanding Further

Part 12: Containers

• a) Introduction to Containers
• b) Building and configuring environments
• c) Basics of Orchestration

Part 13: Using Relational Databases

• a) Using relational databases with Sequelize
• b) Join tables and queries
• c) Migrations, many-to-many relationships

Credential

This course is offered by the University of Helsinki.