Made a few utility types for writeFile options

src/utils/io/write-file-options.ts

@@ -0,0 +1,32 @@
+import { writeFileSync } from "node:fs";
+import { writeFile } from "node:fs/promises";
+
+/**
+ * Options that can be used with `fs.writeFile()` to write a file asynchronously.
+ */
+export type AsyncWriteFileOptions = Parameters<typeof writeFile>[2];
+
+/**
+ * Options that can be used with `fs.writeFileSync()` to write a file synchronously.
+ */
+export type SyncWriteFileOptions = Parameters<typeof writeFileSync>[2];
+
+/**
+ * All possible options that can be passed to `fs.writeFile()` and `fs.writeFileSync()`.
+ */
+export type WriteFileOptions = AsyncWriteFileOptions | SyncWriteFileOptions;
+
+/**
+ * Object-style options that can be used with `fs.writeFile()` to write a file asynchronously.
+ */
+export type AsyncWriteFileOptionsObject = Exclude<AsyncWriteFileOptions, string>;
+
+/**
+ * Object-style options that can be used with `fs.writeFileSync()` to write a file synchronously.
+ */
+export type SyncWriteFileOptionsObject = Exclude<SyncWriteFileOptions, string>;
+
+/**
+ * All possible object-style options that can be passed to `fs.writeFile()` and `fs.writeFileSync()`.
+ */
+export type WriteFileOptionsObject = AsyncWriteFileOptionsObject | SyncWriteFileOptionsObject;