Module

std/node/internal/buffer.d.ts>Buffer#writeBigInt64BE

Deno standard library
denoland/deno_std
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method Buffer.prototype.writeBigInt64BE
import { Buffer } from "https://dotland.deno.dev/std@0.177.0/node/internal/buffer.d.ts";

Writes value to buf at the specified offset as big-endian.

value is interpreted and written as a two's complement signed integer.

import { Buffer } from 'buffer';

const buf = Buffer.allocUnsafe(8);

buf.writeBigInt64BE(0x0102030405060708n, 0);

console.log(buf);
// Prints: <Buffer 01 02 03 04 05 06 07 08>

Parameters

value: bigint

Number to be written to buf.

optional
offset: number

Number of bytes to skip before starting to write. Must satisfy: 0 <= offset <= buf.length - 8.

Returns

number

offset plus the number of bytes written.