feat:lineage compat, nessa made more similar

src/routes/api/lineage/_lib.ts

@@ -0,0 +1,65 @@
+// Shared REST handler for the Lineage REST shim.
+//
+// Each route file calls `rest()` with a function that receives a typed tRPC
+// caller (scoped to `caller.lineage.*`) and the SolidStart APIEvent. The
+// handler maps `TRPCError` codes → HTTP status + `{ message }` body (the
+// legacy client parses `result.message` on non-OK responses), and returns
+// the procedure's return value as JSON on success.
+
+import type { APIEvent } from "@solidjs/start/server";
+import { TRPCError } from "@trpc/server";
+import { createServerCaller } from "~/server/api/root";
+
+const codeToStatus: Record<string, number> = {
+  BAD_REQUEST: 400,
+  UNAUTHORIZED: 401,
+  FORBIDDEN: 403,
+  NOT_FOUND: 404,
+  CONFLICT: 409,
+  TIMEOUT: 408,
+  PAYLOAD_TOO_LARGE: 413,
+  METHOD_NOT_SUPPORTED: 405,
+  TOO_MANY_REQUESTS: 429,
+  INTERNAL_SERVER_ERROR: 500
+};
+
+type Caller = Awaited<ReturnType<typeof createServerCaller>>;
+
+export async function rest(
+  fn: (caller: Caller, event: APIEvent) => Promise<unknown>,
+  event: APIEvent
+): Promise<Response> {
+  try {
+    const caller = await createServerCaller(event);
+    const result = await fn(caller, event);
+    return new Response(JSON.stringify(result), {
+      status: 200,
+      headers: { "content-type": "application/json" }
+    });
+  } catch (e) {
+    if (e instanceof TRPCError) {
+      const status = codeToStatus[e.code] ?? 500;
+      return new Response(JSON.stringify({ message: e.message }), {
+        status,
+        headers: { "content-type": "application/json" }
+      });
+    }
+    console.error("Lineage REST shim error:", e);
+    return new Response(JSON.stringify({ message: "Internal server error" }), {
+      status: 500,
+      headers: { "content-type": "application/json" }
+    });
+  }
+}
+
+/** Extract the Bearer token from the Authorization header. */
+export function bearerToken(event: APIEvent): string | null {
+  const auth = event.request.headers.get("authorization") ?? "";
+  const m = auth.match(/^Bearer\s+(.+)$/i);
+  return m?.[1]?.trim() ?? null;
+}
+
+/** Parse the JSON request body. */
+export async function jsonBody<T = any>(event: APIEvent): Promise<T> {
+  return await event.request.json();
+}