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#1000 #100daysofsolana #100daysofsolona #2026 #a11y #accountability #achievement #activator #actors #adaptive #adopting

#webdev#javascript

DEVMay 4, 2026 · 5h ago

Building Browser-to-Browser File Transfer with WebRTC: What I Learned Building TransP2P

TL;DR: I built a P2P file transfer tool that runs entirely in the browser. No install, no server relay, no account. Here's what I learned about WebRTC data channels, resumable transfers, and the browser storage mess along the way. Most file transfer tools follow the same pattern: upload to a server, get a link, the recipient downloads from that server. Your file sits on someone else's infrastructu

#agenticstandards

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#webdev#javascript#webrtc#privacy

DEVMay 3, 2026 · 1d ago

Turn WebSockets into Async/Await Requests (AWS WebSocket API Gateway + Lambda)

Some time ago, I was building a chat application using AWS Websocket API gateway. Things were going smoothly. I created a WebSocket API Gateway, added $connect, $disconnect, and sendMessage/addGroup routes. From the frontend (React) side, everything was fire-and-forget. You send a message, and the onMessageHandler takes care of it 💪🏼 But then a new requirement of uploading files using S3 signed

#aws#websocket#lambda#javascriptlibraries