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tests/cases/compiler/tile1.ts(6,81): error TS2744: Type parameter defaults can only reference previously declared type parameters.
==== tests/cases/compiler/tile1.ts (1 errors) ====
interface Lifecycle<Attrs, State> {
oninit?(vnode: Vnode<Attrs, State>): number;
[_: number]: any;
}
interface Vnode<Attrs, State extends Lifecycle<Attrs, State> = Lifecycle<Attrs, State>> {
~~~~~
!!! error TS2744: Type parameter defaults can only reference previously declared type parameters.
tag: Component<Attrs, State>;
}
interface Component<Attrs, State> {
view(this: State, vnode: Vnode<Attrs, State>): number;
}
interface ClassComponent<A> extends Lifecycle<A, ClassComponent<A>> {
oninit?(vnode: Vnode<A, this>): number;
view(vnode: Vnode<A, this>): number;
}
interface MyAttrs { id: number }
class C implements ClassComponent<MyAttrs> {
view(v: Vnode<MyAttrs>) { return 0; }
}
const test8: ClassComponent<any> = new C();
==== tests/cases/compiler/file1.js (0 errors) ====
/** @type {ClassComponent<any>} */
const test9 = new C();
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