Structured libs

src/lib/server/file.ts

@@ -0,0 +1,33 @@
+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);
+}
+
+export async function write<T extends object>(
+  val: T,
+  fp: string,
+  ...filePaths: string[]
+) {
+  const filePath = path.join(process.cwd(), fp, ...filePaths);
+  const dirPath = path.dirname(filePath);
+
+  await fs.mkdir(dirPath, { recursive: true });
+  await fs.writeFile(filePath, JSON.stringify(val, null, 2), "utf-8");
+}