[v1] TypeScript types issue: Masquerading as CJS #699

Environment

v1.17.1 (v1 branch)

Reproduction

Check for TypeScript type issues using arethetypeswrong.

Run npm run build && attw --pack .

Describe the bug

Imports with "moduleResolution": "node16" in tsconfig can cause issues such as #698.

Additional context

No response

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