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Notes on React, TypeScript, Go and the web platform, written while building things.
Subscribe by RSSA slow endpoint and an email that should not block a request are two problems almost every backend meets. The reflex is to add Redis and a message broker. This is how to solve both with the Postgres you already run, how it works underneath, and an honest comparison with Redis, Memcached, Kafka, RabbitMQ, SQS and NATS.
A visitor filters a list, goes to page three, refreshes, and everything resets. The cause is the same in plain JavaScript, React, Vue, Angular and Svelte. The state lives in memory when it should live in the URL. Here is why, how to do it in each, side by side, and where it stops being a good idea.
My site was trading its Spotify refresh token for a new access token on every single request. Here is the small cache that fixed it, why it needs an expiry margin and a shared promise, and where it stops helping.
A practical guide to building high-performance, sequenced animations in React using GSAP -covering gsap.from, stagger, timelines, and ScrollTrigger with live rendered examples.
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