Microsoft/TypeScript
Ver no GitHubMissing IntelliSense suggestions in a partial mapped generic argument
Open
#47.518 aberto em 19 de jan. de 2022
Domain: LS: Completion ListsExperience EnhancementHelp WantedSuggestion
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Description
Bug Report
The issue I'm facing is missing IntelliSense suggestions inside the inline object argument of a function which accepts a generic extending the partial of a mapped type. (Wow, that sentence was a doozy, no worries code sample below)
🔎 Search Terms
IntelliSense, Generic, Partial, Optional , Mapped, Function, Parameter, Argument, Object
🕗 Version & Regression Information
I'm using 4.5.4 Seems to be working in 4.3.5 on the playground.
⏯ Playground Link
Playground link with relevant code
💻 Code
type Original = {
prop1: true,
prop2: string
}
type Mapped = {[Prop in keyof Original as `get${Capitalize<string & Prop>}`]: Original[Prop]};
declare function foo<T extends Partial<Mapped>>(options: T): void;
foo({
/* cursor */
});
🙁 Actual behavior
- No (relevant) suggestion on CTRL + SPACE
- Suggestion on typing correct prefix ("get") of either parameter
- After setting said parameter correctly neither CTRL + SPACE nor typing gives another suggestion
🙂 Expected behavior
CTRL + SPACE (hopefully) would always give suggestion for allowed/fitting/legal properties