~/talk

TutorialKit.rb: interactive Ruby gem docs powered by Wasm

Talkat RubyKaigi 2026 · 2026-04-22..04-24· [ruby]
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Framework runs a full Rails dev environment entirely in the browser by embedding RubyWasm into a StackBlitz-style web container and using Wazi VFS for gems and a pre-open workspace for writable files. Grant-funded work adds a JS bridge for outbound HTTP (optionally routed through a self-hosted Cloudflare worker) and a deferred packing build that cuts repeated 30‑minute interpreter rebuilds while avoiding a prior 10 seconds penalty caused by frequent wasm⇄JS syscalls; demos (Rails guide, Action Policy) work end-to-end.

AI-written summary · about

  1. 0:00Introduction to TutorialKit.rb
  2. 3:03User experience overview
  3. 6:21Building a tutorial
  4. 9:10Architecture deep dive
  5. 19:29Grant goals and challenges
  6. 23:48Outbound HTTP support demo
  7. 24:10Build pipeline optimization
  8. 30:29Future roadmap
  9. 31:13Acknowledgments and Q&A
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