chore: added typings (#157)

src/utils/login.test.ts

@@ -1,6 +1,11 @@
 import { isTokenExpire, makeLogin } from './login';
 
-import { generateTokenWithTimeRange, generateTokenWithExpirationAsString, generateTokenWithOutExpiration } from '../../jest/unit/components/__mocks__/token';
+import {
+  generateTokenWithTimeRange,
+  generateTokenWithExpirationAsString,
+  generateTokenWithOutExpiration,
+  generateInvalidToken,
+} from '../../jest/unit/components/__mocks__/token';
 /* eslint-disable no-console */
 console.error = jest.fn();
 
@@ -9,10 +14,6 @@ jest.mock('./api', () => ({
 }));
 
 describe('isTokenExpire', (): void => {
-  test('isTokenExpire - token is not present', () => {
-    expect(isTokenExpire()).toBeTruthy();
-  });
-
   test('isTokenExpire - token is not a valid payload', (): void => {
     expect(isTokenExpire('not_a_valid_token')).toBeTruthy();
   });
@@ -33,11 +34,16 @@ describe('isTokenExpire', (): void => {
   });
 
   test('isTokenExpire - token is not a valid json token', (): void => {
-    const token = generateTokenWithExpirationAsString();
-    const result = ['Invalid token:', new SyntaxError('Unexpected token o in JSON at position 1'), 'xxxxxx.W29iamVjdCBPYmplY3Rd.xxxxxx'];
+    const token = generateInvalidToken();
+    const result = ['Invalid token:', new SyntaxError('Unexpected token i in JSON at position 0'), 'xxxxxx.aW52YWxpZHRva2Vu.xxxxxx'];
     expect(isTokenExpire(token)).toBeTruthy();
     expect(console.error).toHaveBeenCalledWith(...result);
   });
+
+  test('isTokenExpire - token expiration is not a number', (): void => {
+    const token = generateTokenWithExpirationAsString();
+    expect(isTokenExpire(token)).toBeTruthy();
+  });
 });
 
 describe('makeLogin', (): void => {

src/utils/login.ts

@@ -9,7 +9,7 @@ interface PayloadInterface {
   exp: number;
 }
 
-export function isTokenExpire(token?: string): boolean {
+export function isTokenExpire(token: string | null): boolean {
   if (!isString(token)) {
     return true;
   }

src/utils/storage.ts

@@ -1,6 +1,6 @@
 import memoryStorage from 'localstorage-memory';
 
-let storage;
+let storage: Storage;
 try {
   localStorage.setItem('__TEST__', '');
   localStorage.removeItem('__TEST__');