Chapter 13 / 21
The Extension System
Self-extensibility: one loader powers built-ins & users
“~40 lifecycle events; jiti + VIRTUAL_MODULES for the Bun binary”
Key Source Files
core/extensions/types.ts (1694, ~59KB)
runner.ts (1223)
loader.ts (721)
Total size ~ ~135KB
Run Demo
# Directly runnable
$ cd Pi-Agent-Site
$ npx tsx agents/s13_extensions.ts