An Elm Primer for React Developers

Christian Ekrem

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Table of Contents

Introduction

Introduction
About the Author

Part I: From React to Elm: Getting Started

Chapter 1: Elm: Delightful Constraints
Chapter 2: The Elm Architecture – A Recipe for Reliable Apps
Chapter 3: Your First Elm App
Chapter 4: Starting Small: Elm in Your React Codebase

Part II: The Outside World: Randomness, APIs, and JavaScript

Chapter 5: Commands and Randomness
Chapter 6: HTTP and Remote Data
Chapter 7: JSON Decoders and Type Safety
Chapter 8: JavaScript Interop: Ports and Flags

Part III: Building Real Applications

Chapter 9: Organizing Files and Modules
Chapter 10: Modules Around Data Structures
Chapter 11: Forms and Validation
Chapter 12: Building a Feedback Wizard

Parts III-V

What’s Coming
Appendix B: The Scary Words You Already Understand

An Elm Primer for React Developers/Part II: The Outside World: Randomness, APIs, and JavaScript/Chapter 5: Commands and Randomness

Chapter 5: Commands and Randomness

https://leanpub.com/elm-for-react-devs

Upgrading from Browser.sandbox to Browser.element

https://leanpub.com/elm-for-react-devs

Step 1: The Mechanical Refactor

https://leanpub.com/elm-for-react-devs

The Cmd Type and How It Works

https://leanpub.com/elm-for-react-devs

Adding Randomness to the LGTM Generator

https://leanpub.com/elm-for-react-devs

Building a Random Generator

https://leanpub.com/elm-for-react-devs

Adding a New Message

https://leanpub.com/elm-for-react-devs

Using Random.generate

https://leanpub.com/elm-for-react-devs

The Complete Picture

https://leanpub.com/elm-for-react-devs

What You Just Learned

https://leanpub.com/elm-for-react-devs

What This Means in Practice

https://leanpub.com/elm-for-react-devs

Up next

Chapter 6: HTTP and Remote Data

In this chapter

Chapter 5: Commands and Randomness
Upgrading from Browser.sandbox to Browser.element
The Cmd Type and How It Works
Adding Randomness to the LGTM Generator
What You Just Learned