https://saulecabrera.dev/blog/Recent content in Writing on Saúl CabreraHugoen-usMon, 04 May 2026 09:38:00 -0400https://saulecabrera.dev/blog/a-profiler-for-javascript-on-webassembly-part-1/Mon, 04 May 2026 09:38:00 -0400https://saulecabrera.dev/blog/a-profiler-for-javascript-on-webassembly-part-1/https://saulecabrera.dev/blog/five-years-of-js-on-wasm/Fri, 01 May 2026 10:22:00 -0400https://saulecabrera.dev/blog/five-years-of-js-on-wasm/<p>This post summarizes my talk at Wasm I/O 2026: Five Years of JavaScript on WebAssembly. The recording will be uploaded to the <a href="https://www.youtube.com/playlist?list=PLP3xGl7Eb-4P9UDywG2NOJLBtcch_Ry7A" rel="noopener">2026 playlist</a>.</p> <p>By the end, you should have a clear picture of how JavaScript on WebAssembly evolved from an experiment into a production toolchain, the design decisions that shaped it, and where I think it&rsquo;s heading next.</p> <p>The talk is structured into 5 main sections, each representing a key event during the past 5 years (2021 - 2026) of development of JavaScript on WebAssembly and <a href="https://github.com/bytecodealliance/javy" rel="noopener">Javy</a>, which is the leading character of the talk.</p>https://saulecabrera.dev/blog/exploring-plug-the-body-reader/Wed, 14 Nov 2018 18:13:34 -0500https://saulecabrera.dev/blog/exploring-plug-the-body-reader/<p>Ever wondered why sometimes <code>Plug.Conn.read_body/2</code> returns <code>nil</code> instead of returning the raw body of the request? Today we&rsquo;ll examine why this happens and how to elegantly get around it.</p>https://saulecabrera.dev/blog/understanding-phoenix-endpoint/Sun, 25 Feb 2018 13:39:04 -0400https://saulecabrera.dev/blog/understanding-phoenix-endpoint/<p>This small article aims be to a rough introduction to how the Phoenix endpoint works. It assumes intermediate knowledge of Phoenix and Elixir.</p>