Wes unveils his Hack-Week project —a thermal printer controlled by JavaScript that prints out Sentry.io errors in real-time. Scott and Wes dive into the nitty-gritty of how it works, from the ESC/POS protocol to tackling socket issues, and whether the project was worth the effort.

Show Notes * 00:00 Welcome to Syntax! * 00:38 Brought to you by Sentry.io. * 01:10 What is Hack Week? * 01:41 The project. + Follow the posts on X. * 02:40 Why a receipt printer? * 03:55 How do these printers work? + ESC/POS. * 05:20 Communicating with the printer. * 07:24 ESC/POS Encoder. * ESC/POS Encoder. * 08:42 Socket issues. * 09:56 Using Transformers.js to stop ‘toxic comments’. + Xenova’s toxic-bert. + Implementation in Wes’ code. * 10:48 Back to socket issues. * 12:18 Integrating with Sentry. * 15:01 Printing images with Playwright. * 16:17 Was it worth it?

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