Using Typescript lib es2024 and arrayBuffer, types are hard to use

[danilofuchs]

Prerequisites

• I confirm my issue is not in the opened issues
• I confirm the Frequently Asked Questions didn't contain the answer to my issue

Environment check

• I'm using the latest msw version
• I'm using Node.js version 18 or higher

Node.js version

v22.12.0

Reproduction repository

https://github.com/danilofuchs/examples/blob/main/index.ts

Reproduction steps

• Set lib to es2024 or esnext to use features such as Object.groupBy
• Read a file using readFile or create a mocked buffer using Buffer.from("fake-file")
• Try to pass this to HttpResponse.arrayBuffer

Current behavior

Typescript does not allow, but msw accepts it in runtime:

Expected behavior

Previous lib versions works as expected

This is due to the introduction of SharedArrayBuffer in lib es2024

Using the output of readFileSync is documented as supported by msw: