diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1e00d3f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/@types/
+/lib/
+/node_modules/
+/package-lock.json
diff --git a/package.json b/package.json
index ff4c881..3492b15 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "license": "ISC",
   "dependencies": {
     "@types/node": "^14.14.19",
-    "emittery": "^0.8.0"
+    "emittery": "^0.8.1"
   },
   "devDependencies": {
     "typescript": "^4.1.3"
diff --git a/src/index.ts b/src/index.ts
index aade98f..35df517 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,4 @@
 import Emittery from "emittery";
-import { promisify } from "util";
 
 //needed to pass information on wether or not the promise has been aborted witout 'this'
 class AbortableEmittery extends Emittery {
@@ -11,19 +10,22 @@ class AbortableEmittery extends Emittery {
   }
 }
 
-class AbortablePromise<T> extends Promise<T | null> {
+export default class AbortablePromise<T> extends Promise<T | null> {
   private emitter: AbortableEmittery;
 
   constructor(
     make_generator: (
       await_or_abort: (
         promise: Promise<any>,
-        on_abort: () => void
-      ) => Promise<void>
+        on_abort: () => Promise<unknown>
+      ) => Promise<unknown>
     ) => AsyncGenerator
   ) {
     const emitter = new AbortableEmittery();
-    const await_or_abort = (promise: Promise<any>, on_abort: () => void) => {
+    const await_or_abort = (
+      promise: Promise<any>,
+      on_abort: () => Promise<unknown>
+    ) => {
       return new Promise((resolve, reject) => {
         let resolved = false;
         emitter.on("abort", () => {