Node ID #4

.gitignore

@@ -39,3 +39,5 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+data

src/app/api/file.ts

@@ -0,0 +1,21 @@
+import { promises as fs } from "fs";
+import path from "path";
+
+export async function read<T extends object>(
+  template: T,
+  fp: string,
+  ...filePaths: string[]
+): Promise<T> {
+  const filePath = path.join(process.cwd(), fp, ...filePaths);
+  const dirPath = path.dirname(filePath);
+
+  try {
+    await fs.access(filePath);
+  } catch {
+    await fs.mkdir(dirPath, { recursive: true });
+    await fs.writeFile(filePath, JSON.stringify(template, null, 2), "utf-8");
+  }
+
+  const content = await fs.readFile(filePath, "utf-8");
+  return JSON.parse(content);
+}

src/app/api/route.ts

@@ -0,0 +1,11 @@
+import { NextRequest, NextResponse } from "next/server";
+import { version } from "../../../package.json";
+import { read } from "./file";
+import { randomUUID } from "crypto";
+
+const TEMPLATE = { node_id: randomUUID() };
+
+export async function GET(req: NextRequest): Promise<NextResponse> {
+  const { node_id } = await read(TEMPLATE, "data", "node.json");
+  return NextResponse.json({ app: "dockship", version, node_id });
+}