Tweet by matteocollina

March 16, 2026

Here's the problem. Every time you need to: - Bundle an app into a Single Executable - Run tests without touching disk - Sandbox a tenant's file access - Load AI-generated code at runtime You need the same primitive: a virtual filesystem that hooks into node:fs AND the module resolver. Nobody had built it.

Author
matteocollina
Date
March 16, 2026