Why's this code so ugly?

[chiro-hiro]

https://github.com/mafintosh/csv-parser/blob/master/index.js#L3-L4

const [cr] = Buffer.from('\r')
const [nl] = Buffer.from('\n')

Apparently it's CR and LF, CR 0x0d and LF 0x0a. Why does it need a Buffer to get these values?