'internal/bootstrap/realm' is not exposed with the --expose-internal flag

[avivkeller]

Version

v21.7.3

Platform

Darwin <SYSTEM>.local 23.2.0 Darwin Kernel Version 23.2.0: Thu Nov 9 06:28:02 PST 2023; root:xnu-10002.60.71.505.1~3/RELEASE_X86_64 x86_64

Subsystem

No response

What steps will reproduce the bug?

1. run node --expose-internals
2. Attempt to require('internal/bootstrap/realm')

How often does it reproduce? Is there a required condition?

This bug occurs every time

What is the expected behavior? Why is that the expected behavior?

The expected behavior is for 'internal/bootstrap/realm' to be imported

What do you see instead?

node:internal/modules/cjs/loader:1145
  throw err;
  ^

Error: Cannot find module 'internal/bootstrap/realm'
Require stack:
- /path/to/file.js
    at Module._resolveFilename (node:internal/modules/cjs/loader:1142:15)
    at Module._load (node:internal/modules/cjs/loader:983:27)
    at Module.require (node:internal/modules/cjs/loader:1230:19)
    at require (node:internal/modules/helpers:179:18)
    at Object.<anonymous> (/path/to/file.js:0:0)
    at Module._compile (node:internal/modules/cjs/loader:1368:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1426:10)
    at Module.load (node:internal/modules/cjs/loader:1205:32)
    at Module._load (node:internal/modules/cjs/loader:1021:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:142:12) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [ '/path/to/file.js' ]
}

Note that /path/to/file.js:0:0 is a modified statement, and is not the actual source file.

Additional information

No response

[joyeecheung]

This is expected behavior and we have a test for it: https://github.com/nodejs/node/blob/e1fa85133fa48e208df268a5ac49eb5c7537a9a2/test/es-module/test-loaders-hidden-from-users.js