writeFileSync

import { writeFileSync } from "jsr:@ende/fs/unstable-write-file";

function · experimental · requires --allow-read, --allow-write

function writeFileSync(path: string | URL, data: Uint8Array, options?: WriteFileOptions): void

Synchronously write data to the given path, by default creating a new file if needed, else overwriting.

Requires allow-write permission, and allow-read if options.create is false.

path: string | URL: The path of the file that data is written to.
data: Uint8Array: The content in bytes to be written.
options?: WriteFileOptions: Options to write files. See WriteFileOptions.

Example: Usage

import { writeFileSync } from "@ende/fs/unstable-write-file";
const encoder = new TextEncoder();
const data = encoder.encode("Hello world\n");
writeFileSync("hello1.txt", data);  // overwrite "hello1.txt" or create it
writeFileSync("hello2.txt", data, { create: false });  // only works if "hello2.txt" exists
writeFileSync("hello3.txt", data, { mode: 0o777 });  // set permissions on new file
writeFileSync("hello4.txt", data, { append: true });  // add data to the end of the file

Source