test: add test to check the package exports valid functions of a certain type

Author: denbite

e2e/tests/biometric-ed25519.test-d.ts

@@ -0,0 +1,32 @@
+import {
+    createKey,
+    getKeys,
+    isDeviceSupported,
+    isPassKeyAvailable,
+} from "@near-js/biometric-ed25519";
+import { KeyPair } from "@near-js/crypto";
+import { expectTypeOf, test } from "vitest";
+
+test(`exports "createKey" function with correct type`, async () => {
+    type ExpectedFunction = (username: string) => Promise<KeyPair>;
+
+    expectTypeOf(createKey).toEqualTypeOf<ExpectedFunction>();
+});
+
+test(`exports "getKeys" function with correct type`, async () => {
+    type ExpectedFunction = (username: string) => Promise<[KeyPair, KeyPair]>;
+
+    expectTypeOf(getKeys).toEqualTypeOf<ExpectedFunction>();
+});
+
+test(`exports "isDeviceSupported" function with correct type`, async () => {
+    type ExpectedFunction = () => Promise<boolean>;
+
+    expectTypeOf(isDeviceSupported).toEqualTypeOf<ExpectedFunction>();
+});
+
+test(`exports "isPassKeyAvailable" function with correct type`, async () => {
+    type ExpectedFunction = () => Promise<boolean>;
+
+    expectTypeOf(isPassKeyAvailable).toEqualTypeOf<ExpectedFunction>();
+});

e2e/tests/biometric-ed25519.test.ts

@@ -0,0 +1,23 @@
+import {
+    createKey,
+    getKeys,
+    isDeviceSupported,
+    isPassKeyAvailable,
+} from "@near-js/biometric-ed25519";
+import { expect, test } from "vitest";
+
+test(`exports "createKey" function`, () => {
+    expect(createKey).toBeDefined();
+});
+
+test(`exports "getKeys" function`, () => {
+    expect(getKeys).toBeDefined();
+});
+
+test(`exports "isDeviceSupported" function`, () => {
+    expect(isDeviceSupported).toBeDefined();
+});
+
+test(`exports "isPassKeyAvailable" function`, () => {
+    expect(isPassKeyAvailable).toBeDefined();
+});