Andy Peterson on Atomic Spin

Building a Family Tree with GraphQL – Part 2: Adding New Resolvers

Due to the nature of GraphQL, the same resolver can be used across many different queries, unlocking more potential for the API without any extra development effort.

Web Apps

Building a Family Tree With GraphQL – Part 1: Creating a Simple GraphQL API

I’ll demonstrate the foundational pieces of an Express server implementing GraphQL. Using GraphQL, I can explore relationships between family members.

Web Apps

Mocking in JavaScript Unit Tests Using Sinon.JS

With mocks for dependencies inside functions, unit tests will be resilient to a changing codebase. And functions with mocks can be developed without a chain of dependencies.

Development Practices

Using State Tables for Testing

Using state tables for testing is great for situations where there are a variety of inputs for a function that produce different results.

Development Practices

Naming Things Is Hard

It’s easy for a dev team to agree on what to name things, but their conventions won't be obvious to the software's end users, or to future developers.

Web Apps

Using Higher-Order Functions to Build Queries in Knex.js

A pattern to generate SQL queries using higher order functions, and leverage them to make our Knex query builders modular, concise, and easy to understand.

Growing as Makers

Three Tips for a Positive, Effective Team from Casey Watts

Having positive, active teammates leads to a more effective team. Here are a few of the tips I took away from this talk.

Web Apps

Timing Your Queries in Knex.js for Node.js

I developed a method of logging the queries executed by Knex.js and the execution times for each query. It can be applied to nearly any app that uses Knex.

Development Practices

You Should Use Static Dates For Your Unit Tests

Why I use static dates for my unit tests: by not depending on the current system time, my test suite is stronger and more helpful to my project.

Development Practices

Four Tips for Documenting a Legacy Codebase

I’ve developed a good strategy for documenting the business logic and data flows in a legacy code base. Here are a few tips that I found helpful.

Web Apps

Elm and Express: A Simple Client-Server Implementation

I've been exploring Elm so I decided to find a quick way to put together a simple client and server using Elm and Express. Here's what I've come up with.

Development Practices

Help Your Fellow Developers with Well-Worded Error Messages

Write error messages that won't make readers think. A good error message should both point out a problem in your code and indicate a solution.

Andy Peterson

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