🤖 Merge PR DefinitelyTyped#74645 doc[ee-first]: fix type by @samuel871211

Author: samuel871211

types/ee-first/ee-first-tests.ts

@@ -17,15 +17,15 @@ const thunk = first<Foo | Bar>(
     (err, ee, event, args) => {
         err; // $ExpectType any
         ee; // $ExpectType Foo | Bar
-        event; // $ExpectType string[]
+        event; // $ExpectType string
         args; // $ExpectType any[]
     },
 );
 
 thunk((err, ee, event, args) => {
     err; // $ExpectType any
     ee; // $ExpectType Foo | Bar
-    event; // $ExpectType string[]
+    event; // $ExpectType string
     args; // $ExpectType any[]
 });
 

types/ee-first/index.d.ts

@@ -26,7 +26,7 @@ declare namespace first {
     type Listener<TEmitter extends EventEmitter> = (
         err: any,
         ee: TEmitter,
-        event: string[],
+        event: string,
         args: any[],
     ) => void;