Add nextjs init function

Author: bcbogdan

lib/ts/framework/nextjs.ts

@@ -0,0 +1,58 @@
+import SuperTokensReact from "..";
+
+import { SuperTokensWrapper } from "../components/supertokensWrapper";
+
+import type { SuperTokensConfig } from "../types";
+
+type NextjsRouterInfo = {
+    pathName?: string;
+    router: { push: (url: string) => void };
+};
+const RouterInfo: NextjsRouterInfo = {} as NextjsRouterInfo;
+
+export function init(config: SuperTokensConfig) {
+    // eslint-disable-next-line
+    if (typeof window !== "undefined") {
+        SuperTokensReact.init({
+            ...config,
+            windowHandler: (original) => {
+                if (RouterInfo.pathName === undefined) {
+                    return {
+                        ...original,
+                        location: {
+                            ...original.location,
+                            setHref: (url) => RouterInfo.router.push(url.toString()),
+                        },
+                    };
+                } else {
+                    return {
+                        ...original,
+                        location: {
+                            ...original.location,
+                            getPathName: () => RouterInfo.pathName as string,
+                            assign: (url) => RouterInfo.router.push(url.toString()),
+                            setHref: (url) => RouterInfo.router.push(url.toString()),
+                        },
+                    };
+                }
+            },
+        });
+    }
+}
+
+type SuperTokensProviderProps = {
+    router: { push: (url: string) => void };
+    pathName?: string;
+};
+
+export const SuperTokensProvider: React.FC<
+    PropsWithChildren<SuperTokensProviderProps>
+> = (props) => {
+
+    RouterInfo.router = props.router;
+    if (props.pathName) {
+        RouterInfo.pathName = props.pathName;
+    }
+
+    return <SuperTokensWrapper {...props}>
+};