[Web API type definition issue] Invalid `WebAssembly.Memory.buffer` type (`ArrayBuffer` -> `ArrayBufferLike`)

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
48/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
typescript
Domain
tooling, web-dev

Research direction

Start by reproducing the WebAssembly.Memory.buffer typing in the linked TypeScript Playground and compare it with the MDN description. Trace how this Web API definition is represented in the generated @types/web output, then update the definition so the resulting type matches the supported ArrayBuffer or SharedArrayBuffer behavior. Verify the generated declaration and relevant type-checking behavior.

Written by the indexing model from the issue text.

Description

lib.d.ts bug
Summary

Missed type parameter?

Expected vs. Actual Behavior
Expected
  • MDN
    • ArrayBuffer or SharedArrayBuffer
  • Type parameter?
Actual
  • ArrayBuffer
Playground Link

Playground

Browser Support
  • This API is supported in at least two major browser engines (not two Chromium-based browsers).
Have Tried The Latest Releases
  • This issue applies to the latest release of TypeScript.
  • This issue applies to the latest release of @types/web.
Additional Context

No response

Dominant language
TypeScript
Stars
740
Forks
474
Avg merge
2d 8h
Merged PRs (30d)
15

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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