keycloak-theme/src/account/KcApp.tsx

import { Suspense, lazy } from "react";
import type { ClassKey } from "keycloakify/account";
import type { KcContext } from "./KcContext";
import { useI18n } from "./i18n";
import Template from "keycloakify/account/Template";
const Fallback = lazy(() => import("keycloakify/account/Fallback"));

const classes = {} satisfies { [key in ClassKey]?: string };

export default function KcApp(props: { kcContext: KcContext }) {
    const { kcContext } = props;

    const i18n = useI18n({ kcContext });

    if (i18n === null) {
        return null;
    }

    return (
        <Suspense>
            {(() => {
                switch (kcContext.pageId) {
                    default:
                        return (
                            <Fallback
                                {...{
                                    kcContext,
                                    i18n,
                                    classes,
                                    Template
                                }}
                                doUseDefaultCss={true}
                            />
                        );
                }
            })()}
        </Suspense>
    );
}