microsoft / microsoft/TypeScript
Improvement: Design metadata should contain property names and types
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Description
At the moment it's not possible to get all Properties of a Type with the corresponding design-type of the property.
It's only possible to get all properties of an object by using Object.keys() and this wouldn't return properties which haven't been set, of course the simply don't exist.
So it wold be a great feature, if a class which emits metadata because of a decorator would also emit a metadata called something like 'design:properties' which contains a list of all property-names with the corresponding type.
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 files or tests are named. Start by reviewing how decorator-emitted metadata is represented, then determine where a class's property names and corresponding design types could be collected. Done means decorated classes expose a metadata entry such as "design:properties" containing that complete list.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100