microsoft / microsoft/TypeScript

Can use 'readonly' as type-name but cannot make use of it

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Bug Domain: Parser
Dominant language
Go
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Description

Bug Report

  • ts 4.1.3
  • take the snippet below
  • you get unexpected compile errors on the property declaration
type readonly = 'readonly';
class Fun {
	readonly readonly: readonly = 'readonly';
}

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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.

Research direction

No source file or test is named. Reproduce the reported errors with TypeScript 4.1.3 using the provided readonly type and class snippet, then trace how the compiler handles these declarations; done means the snippet compiles without the unexpected property-declaration errors and the behavior is covered by a regression test.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
45/100

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