💥 [Emitten] Improve listener argument typing (#9)

.changeset/flat-hairs-judge.md

@@ -0,0 +1,6 @@
+---
+'emitten': minor
+---
+
+- Prefer variadic listener arguments.
+- Remove `.disposable()` method. Now returning the `dispose` function from `.on()`.

README.md

@@ -17,16 +17,18 @@ Import and start emit’in!
 ```ts
 import {Emitten} from 'emitten';
 
-interface EventMap {
-  change: string;
-  count: number;
-  other: string[];
-}
+type EventMap = {
+  change(value: string): void;
+  count(value?: number): void;
+  collect(...values: boolean[]): void;
+};
 
 const myEmitter = new Emitten<EventMap>();
 
-myEmitter.on('change', someFunction);
+const dispose = myEmitter.on('change', (value) => {});
 myEmitter.emit('change', 'Hello world');
+
+dispose();
 ```
 
 For more guidance, please take a look at the [`Examples document`](./docs/examples.md).