microsoft / microsoft/TypeScript
Template literal types not giving autocomplete suggestions
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Description
TypeScript Version: 4.1.2
Search Terms:
Template literal type autocomplete suggestion lint
Code
type autocomplete = `meeting`;
type noAutocomplete = `meeting/${number}`;
const val: noAutocomplete = 'meet';
Expected behavior:
Beginning to fill out a string on a template literal type will give a useful autocomplete suggestion, like filling it out with a string literal type.
Actual behavior:
In VSCode, there is no autocomplete suggestion and in the TypeScript Playground the suggestion is incorrect.
Playground Link:
https://www.typescriptlang.org/play?ts=4.2.0-dev.20201120#code/C4TwDgpgBAhgrsA9gY0QWzAGwsaBeKAAzQhwEsA7Ac0IG4AoUSKCxAQQRXSx3yJOCUqAegAkAbwpw0AIwgAnAL516qCgGdgUAG4xMALlidUGbLigEA5CXLVLDNZp16ATIdYckJnuav2gA
Related Issues:
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the template literal autocomplete behavior from the provided Playground link and TypeScript 4.1.2 example in VSCode. Compare suggestions for meeting and meeting/${number}; done means the latter provides a useful completion while typing.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100