microsoft / microsoft/TypeScript

Suggest interpolated `number`, `string` and `bigint` types in TypeScript template literals

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Description

Currently, if you create a variable of an interpolated string type using either number, string or bigint inside you'll get no suggestion for it:
image

I think it would be more helpful to provide suggestions for those types of strings, having no apparent reason not to. Especially considering the type annotation could be a generic type, in which case you'd have to hover over the variable in order to be aware of the possible values.

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Research direction

Reproduce the interpolated string type example described in issue #57545 and inspect how TypeScript produces suggestions for template literals containing number, string, bigint, or a generic type. Done means those interpolated types receive useful suggestions without requiring the user to hover over the variable.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
compilers
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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