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Tag Archives: javascript
Crafting Organic Patterns With Voronoi Tessellations
Great post by George Francis, in which he leverages the Voronoi tessellation to generate aesthetically pleasing random patterns. When composing generative patterns, placing objects on a canvas purely at random can feel chaotic, while aligning them to a traditional grid can feel rigid/predictable. While both chaos and exacting precision can both be beautiful qualities in …
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Pick Colors from websites your entire screen with the JavaScript EyeDropper API
Mid-August the WICG published a (unofficial) specification for a Native Eye Dropper — a tool you can use to get the color from the pixel that’s underneath the cursor — on the web. Let’s take a look … Usage The proposal is pretty straightforward: This API enables authors to use a browser supplied eyedropper in …
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useUnmountSignal() — A React Hook to cancel promises when a component is unmounted
A React Hook that wraps around the almighty AbortController. It will automatically call abort() on the created AbortSignal instance when the component unmounts. import useUnmountSignal from 'use-unmount-signal'; function Example() { const unmountSignal = useUnmountSignal(); return ( <button onClick={() => fetch('https://ping.example.com', { signal: unmountSignal }) }> Ping </button> ); } Installation per NPM: npm i use-unmount-signal …
Execute ES Modules on the CLI
Jonathan Neal shared this little snippet on Twitter: Execute JavaScript modules like: bash ./command.js 1. Add the funky header.2. Optional: Omit the extension to not write `.js`.3. Optional: `chmod +x command` to not write `bash `.https://t.co/rhlPg2XPRJ pic.twitter.com/nbAvTFtt0w — Jonathan Neal (@jon_neal) July 25, 2021 Here’s the code: “:” //#;exec /usr/bin/env node –input-type=module – “$@” < …
JavaScript: Hostnames as self-executing fetches
In a conversation between Mathias Bynens and Ingvar Stepanyan, an idea popped up: what if a hostname — such as www.bram.us — would be valid JavaScript? Using a JavaScript Proxy, that’s perfect possible. My favourite is hostnames being valid (and working!) JavaScript. — Ingvar Stepanyan (@RReverser) June 12, 2019 Building further upon that is proxy-www, …
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petite-vue — A 5.5kb subset of Vue optimized for Progressive Enhancement
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Convert a String representation of a JavaScript Object to an Object
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Convert a JavaScript Style Object to CSS Custom Properties with this Little Helper Tool
Demystifying styled-components
Josh W. Comeau lays out the details how styled-components works internally. For so many React devs, styled-components seems kinda magical. It isn’t at all clear how it uses traditional CSS features under-the-hood, and that lack of clarity can cause real problems when things go awry. In this post, we’ll learn exactly how styled-components works by …