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Description
It would be nice to be able to inform users when they encounter specific errors related to a property.
In this example use case, we would like to inform the user that a property on a discriminated union can only be set when the discriminator matches the type.
interface Base {
discriminator: boolean;
foo: string | never;
}
interface UnionTypeA extends Base {
discriminator: true;
foo: string;
}
interface UnionTypeB extends Base {
discriminator: false;
/**
*
* {@errorCode 2322 | This property can only be set when discriminator is equal to `true`}
*
*/
foo: never;
}
type DiscriminatedUnion = UnionTypeA | UnionTypeB;
const bar: DiscriminatedUnion = {
discriminator: false,
foo: ""
}
The current error is shown as:
I based the syntax around what I have seen as prior art in the @link
tag.
Apologies if this has been suggested or discussed before, I could not find anything from an initial search of issues.
emilpriver, k9sniffer and Moriortemilpriver and k9sniffer
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