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fix typings EventNames type (#9)
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arnevogt authored Aug 25, 2023
1 parent b7d6e90 commit 88fd710
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5 changes: 5 additions & 0 deletions .changeset/tough-lemons-relax.md
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---
"@open-pioneer/core": patch
---

fix typings EventNames type
6 changes: 2 additions & 4 deletions src/packages/core/events.ts
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Expand Up @@ -4,13 +4,11 @@ import { Resource } from "./resources";

const state = Symbol("EventEmitterState");

export type EventNames<Events extends Record<string, unknown>> = keyof Events & string;
export type EventNames<Events extends {}> = keyof Events & string;

type ArgType<T> = [T] extends [void] ? [] : [event: T];

type EventType<Events extends Record<string, unknown>, Name extends keyof Events> = ArgType<
Events[Name]
>;
type EventType<Events extends {}, Name extends keyof Events> = ArgType<Events[Name]>;

/**
* A support class that implements emitting and listening for events.
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