repl: don't rely on require.extensions

[marco-ippolito]

Version

v25.0.0-pre

Platform

Darwin marcos-MacBook-Pro-3.local 24.4.0 Darwin Kernel Version 24.4.0: Fri Apr 11 18:33:47 PDT 2025; root:xnu-11417.101.15~117/RELEASE_ARM64_T6030 arm64

Subsystem

No response

What steps will reproduce the bug?

Require.extensions is deprecated we should not use it internally

node/lib/repl.js

Line 1363 in 987aa0a

const extensions = ObjectKeys(this.context.require.extensions);

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

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

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What do you see instead?

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Additional information

@nodejs/loaders @nodejs/repl

[gulbaki]

I am taking this issue.