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Receipt Printer with JavaScript

17.0K views
Sep 16, 2024
20:13

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. 02:40 Why a receipt printer? 03:55 How do these printers work? 05:20 Communicating with the printer. 07:24 ESC/POS Encoder. 08:42 Socket issues. 09:56 Using Transformers.js to stop 'toxic comments'. 10:48 Back to socket issues. 12:18 Integrating with Sentry. 15:01 Printing images with Playwright. 16:17 Was it worth it? All links available at https://syntax.fm/822 ------------------------------------------------------------------------------ Hit us up on Socials! Scott: https://twitter.com/stolinski Wes: https://twitter.com/wesbos Randy: https://www.youtube.com/@randyrektor Syntax: https://twitter.com/syntaxfm http://www.syntax.fm Brought to you by Sentry.io #webdevelopment #webdeveloper #javascript

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Receipt Printer with JavaScript | NatokHD