jfmengels' blog

Written by Jeroen Engels, author of elm-review. If you like what you read or what I made, you can follow me on BlueSky/Mastodon or sponsor me so that I can one day do more of this full-time ❤️

Make your roots lazy

Published on: 2025-06-07

The caching behind Elm's Html.Lazy

Published on: 2025-05-11

Compiler reminders

Published on: 2025-04-27

Beyond Html.Lazy's argument limit

Published on: 2025-04-26

Multi-files fixes

Published on: 2025-02-13

Constraints and guarantees

Published on: 2024-09-16

Rewriting elm-syntax and future plans

Published on: 2024-07-27

Elm Camp 2024

Published on: 2024-07-12

Analyzing extra files in elm-review

Published on: 2024-06-14

A tale of failing to design rule boundaries - Data-last functions

Published on: 2023-09-18

The omniscient linter

Published on: 2023-08-13

Pushing unused exports detection one step further

Published on: 2023-07-28

Implementing multi-file analysis for linters

Published on: 2023-03-24

A nice round ball

Published on: 2023-01-27

Gaining insight into your codebase with elm-review

Published on: 2022-12-06

Much, much faster fixes

Published on: 2022-11-08

Removing an annoyance in elm-review-simplify

Published on: 2022-08-31

Solving annoyances

Published on: 2022-08-25

ESLint equivalents in Elm

Published on: 2022-08-16

Optimizing for JavaScript is hard

Published on: 2022-08-15

Fixing vulnerabilities in Elm's virtual DOM

Published on: 2022-05-23

Starter configurations for elm-review

Published on: 2022-04-26

Tail recursion, but modulo cons

Published on: 2022-02-28

Stop the bleed

Published on: 2021-11-15

Introducing elm-review suppress and a rule to report deprecated items.

There, fixed the docs for you

Published on: 2021-09-27

Package releases (August 2021)

Published on: 2021-08-15

What if ESLint's configuration worked like elm-review?

Published on: 2021-08-09

Easier automatic fixes in elm-review

Published on: 2021-08-06

Measuring cognitive complexity with elm-review

Published on: 2021-07-07

How disable comments make static analysis tools worse

Published on: 2021-07-05

Tail-call optimization in Elm

Published on: 2021-06-01

Simplify

Published on: 2021-04-24

Global and configuration errors

Published on: 2021-04-06

You thought you had no dead code?

Published on: 2021-02-20

Great compiler messages? Great test failure messages!

Published on: 2021-02-18

Safe dead code removal in a pure functional language

Published on: 2021-01-28

Test-only values

Published on: 2020-12-22

Hacktoberfest 2020

Published on: 2020-09-29

1 year of elm-review. What lies ahead?

Published on: 2020-09-29

2.3.0 - Just try it out

Published on: 2020-09-08

What has happened since elm-review v2?

Published on: 2020-08-26

Single out elements using phantom types

Published on: 2020-05-04

Safe unsafe operations in Elm

Published on: 2020-04-27

elm-review v2!

Published on: 2020-04-08

Announcing elm-review

Published on: 2019-09-29

The API of a water tap

Published on: 2019-01-02