Jan Hesters – Medium

Jan Hesters

How to Set Up Next.js 15 for Production in 2024

I’ve worked on Next.js applications that scaled to over 100k monthly active users and landing pages with millions of monthly visitors. In…

Nov 19, 2024

How to Set Up Next.js 15 for Production in 2024

Nov 19, 2024

What is Memoization? (In JavaScript & TypeScript)

Memoization and caching are foundational concepts in programming.

Nov 5, 2024

What is Memoization? (In JavaScript & TypeScript)

Nov 5, 2024

Unleash JavaScript’s Potential with Functional Programming

Too many JavaScript developers have no idea what JavaScript is capable of.

Oct 15, 2024

Unleash JavaScript’s Potential with Functional Programming

Oct 15, 2024

JavaScript Generators Explained, But On A Senior-Level

Generators are powerful and underused by JavaScript developers. And many tutorials on generators only scratch the surface. In this article…

Oct 7, 2024

JavaScript Generators Explained, But On A Senior-Level

Oct 7, 2024

12 Keys to Write Senior-Level Tests (Test Desiderata in JavaScript)

“Desiderata” is derived from the Latin word for “things desired.”

Oct 4, 2024

12 Keys to Write Senior-Level Tests (Test Desiderata in JavaScript)

Oct 4, 2024

Unit Testing Reducers

Pure functions are simple and so should be their tests (when using the correct techniques). Reducers, action creators (which aren’t…

Oct 13, 2020

Unit Testing Reducers

Oct 13, 2020

Master Higher-Order Components in React Today

In the next ten minutes, you are going to understand how HOCs in React work. You will find out how you can write your own and how to…

Feb 6, 2020

Master Higher-Order Components in React Today

Feb 6, 2020

Multiple Environments with AWS Amplify

In this tutorial, you are going to learn how to use Amplify’s env command. We will walk through an example where two people collaborate on…

Aug 27, 2019

Multiple Environments with AWS Amplify

Aug 27, 2019

Lambda Triggers & Read-Only Permissions with AWS Amplify

In this tutorial, you are going to learn how you can trigger a Lambda function on authentication events with AWS Amplify. We are going to…

Aug 20, 2019

Lambda Triggers & Read-Only Permissions with AWS Amplify

Aug 20, 2019

Testing Lambda Functions (feat. Amplify)

You are going to learn how to write unit tests for Lambda functions. We are going to write integration tests, too, and use test-driven…

Aug 13, 2019

Testing Lambda Functions (feat. Amplify)

Aug 13, 2019

Jan Hesters

Jan Hesters

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