Edge bundler crashes when attempting to run a module that uses a sys API.

[noelforte]

Describe the bug

This issue stems from a permissions issue that can be reproduced both in netlify dev and netlify build sub commands. When invoking a module that either makes a call to a node OS API.

Related CLI issue: netlify/cli#6609

Possibly related deno issue: denoland/deno#22221

Steps to reproduce

1. Clone reproduction repository: https://github.com/noelforte/netlify-deno-sys-repro
2. Navigate to the cloned repository
3. npm install
4. Run either netlify build or netlify dev
5. See CLI output

CLI command and flags

netlify build

- or -

netlify dev

Configuration

(Bug is reproducible without a config file.)

CLI output

netlify build

Netlify Build
────────────────────────────────────────────────────────────────

❯ Version
  @netlify/build 29.41.5

❯ Flags
  dry: false
  offline: false

❯ Current directory
  /Users/noel/Developer/projects/tests/netlify-dev-os

❯ Config file
  /Users/noel/Developer/projects/tests/netlify-dev-os/netlify.toml

❯ Context
  production

Functions bundling
────────────────────────────────────────────────────────────────


(Functions bundling completed in 2ms)

Edge Functions bundling
────────────────────────────────────────────────────────────────

Packaging Edge Functions from netlify/edge-functions directory:
 - glob

Save updated config
────────────────────────────────────────────────────────────────


(options.onEnd completed in 2ms)

Bundling of edge function failed
────────────────────────────────────────────────────────────────

  Error message
  There was an error when loading the 'fast-glob' npm module. Support for npm modules in edge functions is an experimental feature. Refer to https://ntl.fyi/edge-functions-npm for more information.

  Error location
  While bundling edge function

  Resolved config
  build:
    commandOrigin: heuristics
    edge_functions: ***/netlify-dev-os/netlify/edge-functions
    publish: ***/netlify-dev-os
    publishOrigin: default

netlify dev

◈ Netlify Dev ◈
◈ Injecting environment variable values for all scopes
◈ Ignored general context env var: LANG (defined in process)
◈ No app server detected. Using simple static server
◈ Running static server from "netlify-dev-os/dist"
◈ Setting up local development server
Cleaned up .netlify/functions-internal, .netlify/edge-functions.

◈ Static server listening to 3999

   ┌─────────────────────────────────────────────────┐
   │                                                 │
   │   ◈ Server now ready on http://localhost:8888   │
   │                                                 │
   └─────────────────────────────────────────────────┘

PermissionDenied: Requires sys access to "cpus", run again with the --allow-sys flag
    at Object.cpus (node:os:27:10)
    at Object.<anonymous> (file:///opt/homebrew/lib/node_modules/netlify-cli/node_modules/@netlify/edge-bundler/node_modules/.deno/[email protected]/node_modules/fast-glob/out/settings.js:10:31)
    at Object.<anonymous> (file:///opt/homebrew/lib/node_modules/netlify-cli/node_modules/@netlify/edge-bundler/node_modules/.deno/[email protected]/node_modules/fast-glob/out/settings.js:61:4)
    at Module._compile (node:module:659:34)
    at Object.Module._extensions..js (node:module:673:10)
    at Module.load (node:module:597:32)
    at Function.Module._load (node:module:484:12)
    at Module.require (node:module:609:19)
    at require (node:module:715:16)
    at Object.<anonymous> (file:///opt/homebrew/lib/node_modules/netlify-cli/node_modules/@netlify/edge-bundler/node_modules/.deno/[email protected]/node_modules/fast-glob/out/index.js:6:20) {
  name: "PermissionDenied"
}

Environment

  System:
    OS: macOS 14.2.1
    CPU: (10) arm64 Apple M1 Max
    Memory: 1.06 GB / 32.00 GB
    Shell: 3.7.1 - /opt/homebrew/bin/fish
  Binaries:
    Node: 22.1.0 - /opt/homebrew/bin/node
    npm: 10.8.0 - /opt/homebrew/bin/npm
    pnpm: 9.1.0 - /opt/homebrew/bin/pnpm
    bun: 1.1.8 - ~/.bun/bin/bun
  npmGlobalPackages:
    netlify-cli: 17.23.5