React Router

The example setup is live here:

Run it locally with:

npx degit https://github.com/keycloakify/oidc-spa/examples/react-router oidc-spa-react-router
cd oidc-spa-react-router
cp .env.local.sample .env.local
yarn
yarn dev

Enabling SPA mode

react-router.config.ts

import type { Config } from "@react-router/dev/config";

export default {
    // Config options...
    // Server-side render by default, to enable SPA mode set this to `false`
    ssr: false
} satisfies Config;

oidc.client.ts

Make sure you create a app/oidc.client.ts file, (instead of app/oidc.ts).

Setting up the entrypoint

Create thoses two files:

Working with loaders

The default approach when you want to enforce that the user be logged in when accesing a given route is to wrap the component into withLoginEnforced(), example:

pages/invoices.tsx

import { useState, useEffect } from "react";
import { withLoginEnforced, fetchWithAuth } from "../oidc.client";

const Invoices = withLoginEnforced(
    () => {
        const [invoices, setInvoices] = useState<Invoice[] | undefined>(undefined);

        useEffect(() => {
            fetchWithAuth("/api/invoices")
                .then(r => r.json())
                .then(setInvoices);
        }, []);

        if (invoices === undefined) {
            return <div>Loading invoices...</div>;
        }

        return (
            <div>
                {invoices.map(invoice => (
                    <div key={invoice.id}>{invoice.amount}</div>
                ))}
            </div>
        );
    },
    {
        onRedirecting: () => <div>Redirecting to login...</div>
    }
);

export default Invoices;

This approach is framwork agnostic and always works however, you might want to use the loaders to doload the data, for that you would use enforceLogin() istead of withLoginEnforced:

pages/invoices.tsx

import { enforceLogin, fetchWithAuth } from "../oidc.client";
import type { Route } from "./+types/invoices";
import { useLoaderData } from "react-router";

export async function clientLoader(params: Route.ClientLoaderArgs) {
    await enforceLogin(params);
    // If we are here, the user is logged in.
    const invoices = await fetchWithAuth("/api/invoices").then(r => r.json());
    return invoices;
}

export function HydrateFallback() {
    return <div>Loading invoices...</div>;
}

export default function Invoices() {
    const invoices = useLoaderData<typeof clientLoader>();

    return (
        <div>
            {invoices.map(invoice => (
                <div key={invoice.id}>{invoice.amount}</div>
            ))}
        </div>
    );
}

Running the example

Run it locally with:

npx degit https://github.com/keycloakify/oidc-spa/examples/react-router-framework oidc-spa-react-router
cd oidc-spa-react-router
cp .env.local.sample .env.local
yarn
yarn dev

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