turn browser cookies into an array of key/value pairs (in a functional style)

fp.js

// https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie
document.cookie.split(';')
  .map(s => s.split('='))
  .filter(a => a[0] && a[1])
  // if there is a shorter, code golf way to do this, let me know
  .reduce((acc, a) => { let obj = {}; obj[a[0].trim()] = a[1]; acc.push(obj); return acc }, [])

document.cookie.split(';')
  .map(c => c.trim().split('='))
  .filter(c => c[0] && c[1])
  .map(c => JSON.parse(`{"${c[0]}": "${c[1]}"}`))