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@bear-auth/react

v2.1.0

Published

An integration of [`@bear-auth/core`](https://github.com/AckeeCZ/bear-auth/blob/main/packages/core) for React.

Downloads

423

Readme

🐻 Bear Auth React

An integration of @bear-auth/core for React.

Install

yarn add @bear-auth/core

Get started

1. Configure bear auth

import { create, setStorage } from '@bear-auth/core';
import { createIndexedDBStorage } from '@bear-auth/storage';

// Configure the bear auth:

// 1. init a new instance
export const bearAuthId = create();

export type AuthInfo = {
    user: {
        id: string;
        username: string;
    };
};

// 2. set storage for persistance (optional)
const storage = createIndexedDBStorage<AuthInfo>({
    bearAuthId,
    authInfo: z.object({
        user: z.object({
            id: z.string(),
            username: z.string(),
        }),
    }),
});

setStorage<AuthInfo>(bearAuthId, storage);

// 3. Set hooks for fetching auth info (optional), refreshing access token (optional) and logout (required):
const refetchAuthInfo = setFetchAuthInfoHook<AuthInfo>(bearAuthId, async () => {
    // TODO: do actual API call to fetch info about currently authenticated user
    return {
        user: {
            id: 'some-user-id',
            username: '[email protected]',
        },
    } satisfies AuthInfo;
});

const refreshToken = setRefreshTokenHook<AuthInfo>(bearAuthId, async () => {
    // TODO: do actual API call to refresh expired access token
    return {
        accessToken: '...fresh-access-token...',
        refreshToken: '...refresh-token...',
        expiration: new Date(Date.now() + 30_000).toISOString(), // expires in 30s
    };
});

const logout = setLogoutHook<AuthInfo>(bearAuthId, async () => {
    // TODO: call API and logout current auth. user
    console.log('logout');
});

// Note that each of these hooks returns async function which you can use to trigger the hook by yourself if needed.

2. Use BearAuthProvider:

Use useBearAuthSession and useBearAuth hooks within the context of BearAuthProvider:

import { BearAuthProvider } from '@bear-auth/react';

import { bearAuthId, type AuthInfo } from '...';

export function App() {
    return (
        // Pass current instance ID and those hook actions:
        <BearAuthProvider id={bearAuthId} actions={{ refetchAuthInfo, refreshToken, logout }}>
            <BearAuthSection />
        </BearAuthProvider>
    );
}

export function BearAuthSection() {
    const session = useBearAuthSession<AuthInfo>();
    const { id, actions } = useBearAuth<AuthInfo>();

    console.log({ id, actions, session });

    return (
        <div>
            {session.status}
            {session.status === 'authenticated' && (
                <button type='button' onClick={() => actions.logout()}>
                    Logout
                </button>
            )}
        </div>
    );
}

3. Authenticate user

import { authenticate } from '@bear-auth/core';

import { bearAuthId, type AuthInfo } from '....';

<button
    type='button'
    onClick={async () => {
        // TODO: sign-in / sign-up user and then call the `authenticate` method with received access token (the rest of props is still recommended but optional).

        await authenticate<AuthInfo>(bearAuthId, {
            accessToken: '...access-token...',
            expiration: new Date(Date.now() + 30_000).toISOString(), // expires in 30s
            refreshToken: '...refresh-token...',
            authInfo: {
                user: {
                    id: 'some-user-id',
                    username: '[email protected]',
                },
            },
        });
    }}
>
    Authenticate
</button>;

👉 The usage example.