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Deliver web apps with confidence 🚀
8a565c8814
Previously, indexing a container type would not return completions for
the indexed type because for every TypeScript type, the recorded index
type was always marked as `undefined`, regardless of the index
signature.
This PR now returns the index type of TypeScript containers with numeric
or string index signatures. This allows use to generate completions for
arrays and defined index types:
```typescript
interface Container<T> {
[key: string]: T;
}
const ctr: Container<T>;
ctr['stringKey']. // gives `T.` completions
const arr: T[];
arr[0]. // gives `T.` completions
```
Note that this does _not_ provide completions for properties indexed by
string literals, e.g.
```typescript
interface Container<T> {
foo: T;
}
const ctr: Container<T>;
ctr['foo']. // does not give `T.` completions
```
Closes angular/vscode-ng-language-service#110
Closes angular/vscode-ng-language-service#277
PR Close #34047
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Angular
Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages.
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