# totp

## Installation

```
npm i @jobscale/totp
```

## Examples

```
import { Totp } from '@jobscale/totp';
// const { Totp } = await import('@jobscale/totp'); // CommonJs

const list = [
  'JSXJPX6EY4BMPXI',
  'JSXJPX6EY4BMPXIRS',
  'JSXJPX6EY4BMPXIRSSR',
  'JSXJPX6EY4BMPXIRSSR74',
];

describe('test base32', () => {
  for (const [index, value] of list.entries()) {
    describe(`test step ${index}`, () => {
      it(`toBe step prompt window ${index}`, async () => {
        const totp = new Totp();
        const code = await totp.auth({
          secret: value,
        });
        const res = await totp.verify({
          code,
          secret: value,
          window: 1,
        });
        expect(res).toBe(true);
      });

      it(`toBe step 1 window ${index}`, async () => {
        const totp = new Totp();
        const code = await totp.auth({
          secret: value,
          time: Math.floor(Date.now() / 1000) + 30,
        });
        const res = await totp.verify({
          code,
          secret: value,
          window: 1,
        });
        expect(res).toBe(true);
      });

      it(`toBe step 2 window ${index}`, async () => {
        const totp = new Totp();
        const code = await totp.auth({
          secret: value,
          time: Math.floor(Date.now() / 1000) + 60,
        });
        const res = await totp.verify({
          code,
          secret: value,
          window: 2,
        });
        expect(res).toBe(true);
      });

      it(`toBe step 3 window ${index}`, async () => {
        const totp = new Totp();
        const code = await totp.auth({
          secret: value,
          time: Math.floor(Date.now() / 1000) + 90,
        });
        const res = await totp.verify({
          code,
          secret: value,
          window: 3,
        });
        expect(res).toBe(true);
      });
    });
  }
});
```

## Demo

[https://totp.cdn.jsx.jp](https://totp.cdn.jsx.jp)

## Lint

```
npm run lint --if-present
```

## Test

```
npm test
```