How to Use the Power of Jest’s Snapshot Testing Without Using Jest

Then snapshot (aka Characterized or Golden Master) testing approach is nothing more as keeping of the system state in "diffable" way, so if an intentional or unintentional change occurs, the test fails and showing the difference of expected and actual output. Because of that, snapshot testing is convenient to deal…

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How We Simplified our Tooling Setup for Node.js Projects

tldr; We suffered from JavaScript fatigue and created something like create-react-app for our Node.js projects. By wrapping tools like Babel, ESLint, or Prettier with an additional CLI we can set up and maintain tooling much easier. Earlier this year I heard about a new tool in the JavaScript ecosystem,…

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Four Key Attributes of a Healthy Development Process

People sometimes ask me which development process I would recommend to their team. Unfortunately, the answer is not that easy because I believe that there is no golden bullet. A development process is individual and depends on the people, culture, leaders and stage of your business. But, there are four…

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Running cron jobs on AWS Lambda with Scheduled Events

A look into the minimal set of AWS resources to get scheduled Lambda functions running and how to set things up with Node.js and Serverless. Recently I wanted to create a cron job for a side project but couldn’t because I didn’t have a server that I…

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Managing Complexity in Redux: Higher-Order Reducers and Async State

This post follows the story of an app which has been built with Redux but has somewhere, somehow taken a turn for the unmaintainable – particularly in regards to how it handles async loading state. It then outlines a few general Redux patterns which can be used to help steer the…

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