TLDR Tech / Dev
Why Node.js Needs a Virtual File System
Node.js has long struggled with the inability to virtualize its file system. The new `node:vfs` module addresses this by providing a core Virtual File System that hooks directly into both the `fs` API and Node.js's module resolver. This VFS allows applications to access in-memory or embedded assets, allowing for better isolated test environments, secure multi-tenant file access, and efficient handling of dynamically generated code.
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