buffer_more_ints_64bit_integer_read_write_quickstart.ts

1import * as moreints from 'buffer-more-ints';
2
3// Create a buffer of 8 bytes
4const buf = Buffer.alloc(8);
5
6// Write a 64-bit unsigned integer to the buffer (Big Endian)
7// Note: buffer-more-ints handles numbers as standard JavaScript numbers
8// but provides support for the full 64-bit range where precision allows.
9moreints.writeUInt64BE(buf, 0x1234567890abcdefn, 0);
10
11// Read the 64-bit unsigned integer back from the buffer
12const val = moreints.readUInt64BE(buf, 0);
13
14console.log(val.toString(16)); // "1234567890abcdef"