Leigh Halliday
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#javascript #mongodb

MongoDB GeoJSON Schema Validation

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#javascript #testing #jest

How To Mock Fetch in Jest

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#javascript #fundamentals #arrays

How to use Reduce in JavaScript

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#npm #javascript #hooks

How to Publish an NPM Package

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  • #react
  • #hooks
  • #maps

Leaflet Marker Clustering

Performance can begin to degrade pretty quickly when you are trying to show large amounts of data on a map. Even at hundreds of markers…

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  • #react
  • #hooks
  • #maps

Google Maps Marker Clustering

Performance can begin to degrade pretty quickly when you are trying to show large amounts of data on a map. Even at hundreds of markers…

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  • #react
  • #hooks
  • #mapbox
  • #maps

Mapbox Marker Clustering

Performance can begin to degrade pretty quickly when you are trying to show large amounts of data on a map. Even at hundreds of markers…

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  • #react
  • #redux
  • #hooks

Replacing Redux with React Hooks

Redux has been the go-to way to manage state within your React application for years. It's popularity is due in large part because when it…

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  • #react
  • #hooks

How Does SWR Work?

SWR is a great package from Zeit to help make it easier to fetch remote data with hooks. It is based on the stale-while-revalidate RFC…

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  • #serverless
  • #now
  • #nextjs

Secrets and Environment Variables in Next.js and Now

Zeit has great documentation, but it took me a while to understand the difference between environment variables (secrets) on the serverless…

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  • #serverless
  • #now
  • #lambda
  • #node

Serverless OG Image

If you've ever pasted a URL from an article on dev.to into Slack, Twitter, Facebook or LinkedIn, you'll notice they have an awesome social…

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  • #es6
  • #javascript

Iterate over Objects in JavaScript

How do you iterate over objects in JavaScript? In this article we'll answer this question by showing 3 alternatives. The data we'll be using…

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  • #es6
  • #javascript

Tagged Template Literals

I kept seeing Tagged Template Literals in a number of popular libraries, but I didn't understand how they worked. This article explores…

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