microsoft / microsoft/TypeScript
[JS] Incorrectly identifying what "this" is
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Description
- VSCode Version: 1.52.1
- OS Version: Windows 10 19042.685
this on debugger (Command class instance, has checkPermissions function)
this on IDE (Constructor object params, doesn't have checkPermissions function)
Steps to Reproduce:
- Instantiate a Class which uses object destructuring on its constructor)
- Use
thisinside a function that is a property of the constructor object
Does this issue occur when all extensions are disabled?: Yes
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file or test is named. Start by reproducing the class-constructor destructuring case from the listed steps in VS Code with extensions disabled, then compare the debugger and IDE views of this; done means both identify the same object and expose the expected checkPermissions function.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100