WIP

index.test-d.ts

@@ -1,5 +1,4 @@
 import { expectError, expectType } from "tsd";
-import * as fs from "fs";
 import pify = require(".");
 
 expectError(pify());
@@ -14,10 +13,6 @@ expectError(pify("abc", {}));
 
 expectType<never>(pify((v: number) => {})());
 
-// basic
-// It returns a Buffer because it chooses the last overload of the passed function
-expectType<Promise<Buffer>>(pify(fs.readFile)("path"));
-
 // callback with 0 additional params
 declare function fn0(fn: (val: number) => void): void;
 expectType<Promise<number>>(pify(fn0)());
@@ -92,12 +87,10 @@ expectType<Promise<[number, string]>>(
 	pify(callback22, { multiArgs: true })("a", "b")
 );
 
-expectType<Promise<[NodeJS.ErrnoException | null, Buffer]>>(
-	pify(fs.readFile, { multiArgs: true })("path")
-);
-expectType<Promise<Buffer>>(pify(fs.readFile, { multiArgs: false })("path"));
-
-declare function foo(a: number, b: number): number;
-declare function foo(a: string, b: string): string;
+// overloads
+declare function overloaded(value: number, cb: (value: number) => void): void;
+declare function overloaded(value: string, cb: (value: string) => void): void;
 
-type X = Parameters<typeof foo>;
+// Chooses last overload
+// See https://github.com/microsoft/TypeScript/issues/32164
+expectType<Promise<string>>(pify(overloaded)(""));

package.json

@@ -42,7 +42,6 @@
 		"bluebird"
 	],
 	"devDependencies": {
-		"@types/node": "^17.0.0",
 		"ava": "^2.4.0",
 		"pinkie-promise": "^2.0.0",
 		"tsd": "^0.19.0",