Improve the TypeScript definition ObservableLike type

sindresorhus · novemberborn · commit c2d8218ba78b · 2019-05-05T16:13:19.000+02:00
Fixes #1685
diff --git a/index.d.ts b/index.d.ts
@@ -1,5 +1,6 @@
 export interface ObservableLike {
-	subscribe(observer: (value: any) => void): void;
+	subscribe(observer: (value: unknown) => void): void;
+	[Symbol.observable](): ObservableLike;
 }
 
 export type Constructor = (new (...args: Array<any>) => any);

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,6 @@`
`1`	`1`	`export interface ObservableLike {`
`2`		`- subscribe(observer: (value: any) => void): void;`
	`2`	`+ subscribe(observer: (value: unknown) => void): void;`
	`3`	`+ [Symbol.observable](): ObservableLike;`
`3`	`4`	`}`
`4`	`5`
`5`	`6`	`export type Constructor = (new (...args: Array<any>) => any);`