Lumi builds supply chain software for ecommerce brands.

Type-safe JSON queries for Esqueleto

Adding type safety to our generated SQL code by checking it against our Haskell type information

Phil Freeman · Sep 18, 2019

An Applicative for Transactional Validation

How we built a very simple DSL for application-side validation using tools from the Haskell standard library.

Phil Freeman · Jun 20, 2019

Announcing Lumi Components

Lumi Components is a DSL for building Lumi UIs, and we're excited to announce that now it's open source!

Madeline Trotter · May 23, 2019

Using PureScript to Create a Domain-Specific Language for Building Forms with Validation

How we created a small, type-safe, embedded, domain-specific language for form components.

Arthur Xavier · Nov 8, 2018

PureScript and Haskell at Lumi

How we’re improving correctness on the front-end by moving from JavaScript to PureScript.

Phil Freeman · Aug 6, 2018

Migrating from RethinkDB to Postgres, an Experience Report

How we switched from RethinkDB and ElasticSearch to Postgres, leaning heavily on Haskell.

Phil Freeman · Sep 13, 2017

Lumi is accelerating the world's transition to a circular economy. Want to work with us? We're hiring.

RSS · Github