better-auth/docs/app/source.ts

import { docs, meta } from "@/.source";
import { createMDXSource } from "fumadocs-mdx";
import { loader } from "fumadocs-core/source";
import { createOpenAPI } from "fumadocs-openapi/server";

export const source = loader({
	baseUrl: "/docs",
	source: createMDXSource(docs, meta),
});

export const openapi = createOpenAPI({});