plugins 2.0 update

plugins/sample-ts-fullstack/src/server.ts

@@ -0,0 +1,41 @@
+import type { RpcResponse } from "./shared";
+
+type PluginContext = {
+  db: {
+    exec(sql: string): void;
+    prepare(sql: string): {
+      get(...args: unknown[]): any;
+      run(...args: unknown[]): any;
+    };
+  };
+  log: { info(message: string): void };
+};
+
+function now(): string {
+  return new Date().toISOString();
+}
+
+function response(message: string, count?: number): RpcResponse {
+  return { message, count, at: now() };
+}
+
+export default {
+  setup(ctx: PluginContext) {
+    ctx.db.exec("CREATE TABLE IF NOT EXISTS counter (id INTEGER PRIMARY KEY CHECK (id = 1), value INTEGER NOT NULL)");
+    ctx.db.prepare("INSERT OR IGNORE INTO counter (id, value) VALUES (1, 0)").run();
+    ctx.log.info("sample-ts-fullstack ready");
+  },
+
+  rpc: {
+    ping(): RpcResponse {
+      return response("hello from TypeScript server");
+    },
+
+    increment(ctx: PluginContext, params: unknown): RpcResponse {
+      const by = typeof (params as any)?.by === "number" ? Math.trunc((params as any).by) : 1;
+      ctx.db.prepare("UPDATE counter SET value = value + ? WHERE id = 1").run(by);
+      const row = ctx.db.prepare("SELECT value FROM counter WHERE id = 1").get();
+      return response("counter updated", Number(row?.value || 0));
+    },
+  },
+};