feat: rewrite of publish to go back to js from binaries (#3)

src/utils/fs.ts

@@ -0,0 +1,37 @@
+/**
+ * File system utilities using Node.js APIs
+ * Compatible with both Node.js and Bun
+ */
+
+import {
+  existsSync,
+  readFileSync as fsReadFileSync,
+  writeFileSync as fsWriteFileSync,
+  mkdirSync,
+} from "node:fs";
+import { dirname } from "node:path";
+
+/**
+ * Read a file and return its contents as text
+ */
+export async function readFile(path: string): Promise<string> {
+  return fsReadFileSync(path, { encoding: "utf-8" });
+}
+
+/**
+ * Write content to a file, creating parent directories if needed
+ */
+export async function writeFile(path: string, content: string): Promise<void> {
+  const dir = dirname(path);
+  if (!existsSync(dir)) {
+    mkdirSync(dir, { recursive: true });
+  }
+  fsWriteFileSync(path, content, { encoding: "utf-8", flush: true });
+}
+
+/**
+ * Check if a file exists
+ */
+export function exists(path: string): boolean {
+  return existsSync(path);
+}