15 lines
352 B
TypeScript
15 lines
352 B
TypeScript
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interface EventTarget { x }
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class BaseEvent {
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target: EventTarget;
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}
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class MyEvent<T extends EventTarget> extends BaseEvent {
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target: T;
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}
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class BaseEventWrapper {
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t: BaseEvent;
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}
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class MyEventWrapper extends BaseEventWrapper {
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t: MyEvent<any>; // any satisfies constraint and passes assignability check between 'target' properties
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}
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