add other languages

src/io.ts

@@ -0,0 +1,11 @@
+import { existsSync, mkdirSync, readFileSync, writeFileSync } from "fs";
+
+export const saveFile = (path: string, content: string): void => {
+  const folder = path.split("/").slice(0, -1).join("/");
+  mkdirSync(folder, { recursive: true });
+  writeFileSync(path, content);
+};
+
+export const hasFile = (path: string) => existsSync(path);
+
+export const readFile = (path: string) => readFileSync(path, "utf-8");