babel Running Typescript programs with babel-node aka how does babel register work Running Typescript programs on demand with babel-node basically uses babel register, but how does babel register work? This post will detail it.
typescript Understanding typescript generics by example Quick intro using real world examples of working with Typescript generics.
webpack How I fixed webpack tree shaking in 3 easy steps Tree shaking is an important step in Webpack bundling to get rid of unused stuff. This should help describe how to easily get it working.
jest Dealing with async jest tests There are several ways to deal with async tests in Jest. The done callback for callback or promise methods, returning promises, or async / await.
cypress Running Cypress tests in a monorepo Cypress is a fantastic testing tool for running your applications in a browser like environment. It can be leveraged in a monorepo to do cross package acceptance and feature testing.
javascript For of loops in Javascript one loop to rule them all For the longest time, for in and for were the main loops you could use to iterate over collections of things in JavaScript. Then we got some fancy array methods like forEach, map,
wfh WFH pro tips I've had the privilege of getting to work both in offices, at home 100%, and remote working over the course of my career. There are pros and cons to every approach. My personal
divops Announcing Div Ops as the Slack and Reddit communities Let's unite around the idea of frontend tooling by creating a #DivOps community.
monorepo How to successfully manage a large scale JavaScript monorepo aka megarepo There are many tools already in the wild for managing a monorepo. This post will discuss using Bolt to manage a monorepo aka megarepo.
Say bye to monorepos say hello to megarepos Breaking up a monolith can be a daunting task. Oftentimes a monolith gets broken up into many repos, and sometimes into a monorepo. But, here's the problem I have with the term monorepoo.
Running Cypress with Docker inside CI I've been looking at Cypress lately as a solution to do better end to end testing, and even in some cases to just dodge TDD altogether, and rely on seeing my code work
webpack How WebPack decides what entry to load from a package.json Today I was working on creating a node.js bundle using webpack 4, and came across a fun little doozie of an error which lead me to do a bit of code spelunkery
webpack WebPack production environment is NOT the NODE_ENV or BABEL_ENV environment variable A revelation came to me the other day when I was reviewing some of our bundling processes at Eventbrite. We currently run production bundles like this... node --max_old_space_size=4096\ ./node_
Brite future The past almost 4 years I've spent at Lonely Planet are coming to an end, and I'm excited to be joining the Front End Platform Team at Eventbrite! When I started at Lonely
react Why would you NOT use TypeScript? In a world where JavaScript is arguably the most popular tool for building software these days, it seems like it's everywhere now. With node.js, it's on the backend, with Electron it's native
JavaScript Using do expressions in redux reducers There's an interesting proposal that's stage 1 currently (as of 9/26/2017) called do expressions. Thanks to the magic that is Babel, you can already go ahead and try this out with
node.js Debugging node and Jest tests with VS Code's debugger VS Code has become my favorite IDE for pretty much everything these days. There are so many great features it has to offer including the ability to debug node.js. Here is the
typescript Getting started with TypeScript, WebPack, and React We've been integrating TypeScript more and more into our workflow at Lonely Planet. I wanted to just quickly share how easy it is to get started working with TypeScript and Webpack! It takes
typescript Testing typescript classes with Jest and Jest Mocks Typescript is a powerful way to build applications. It offers type checking to catch errors before they make it to the browser. On top of just utilizing typescript to catch bugs, it's still
express Chrome back button in express caching issue solved While working in a React/express universal app, I created an express route that serves both JSON and HTML sort of like how Rails has a respond_to block. That way if I
react Fetching data in a universal react router app with async actions One of the most difficult things when working in a universal app is fetching data on the client side. With es2017 and the React lifecycle, it can be done easily. I love async
screencast How to quickly edit your hosts file on macOS I had a friend ask me the other day how to edit his hosts file for local development. It's something I take for granted because I'm so used to doing it, but for
JavaScript Advanced WebPack Part 3 - Creating a custom notifier plugin At Lonely Planet we use the heck out of WebPack. It's an incredibly powerful tool. Sometimes it takes a while though. I decided today that rather than watching the command line while it
JavaScript WebPack Code splitting with ES6 and Babel 6 Today is the day that finally, we decided it was time to make the move from Babel 5 to 6. It's been on our Technical Debt list for quite a while now. Here's
JavaScript Advanced WebPack Part 2 - Code Splitting WebPack has a feature that utilizes the AMD spec called Code Splitting. What it allows you to do is "split your code" (insert troll face). Seriously, it's an amazing feature. What
