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Deno.readFileSync - Deno documentation
function Deno.readFileSync
allow-read
readFileSync(path: string | URL): Uint8Array

Synchronously reads and returns the entire contents of a file as an array of bytes. TextDecoder can be used to transform the bytes to string if required. Reading a directory returns an empty data array.

const decoder = new TextDecoder("utf-8");
const data = Deno.readFileSync("hello.txt");
console.log(decoder.decode(data));

Requires allow-read permission.

Parameters

path: string | URL

Return Type

Uint8Array