hash_fnv32a.js

const FNV_OFFSET_32 = 0x811c9dc5;
export const hash_fnv32a (input) => {
  let hval = FNV_OFFSET_32;
  // Strips unicode bits, only the lower 8 bits of the values are used
  for (var i = 0; i < input.length; i++) {
    hval = hval ^ (input.charCodeAt(i) & 0xFF);
    hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
  }
  return hval >>> 0;
}

//assert.equal(hash_fnv32a('aaaa'), 1290481081);
//assert.equal(hash_fnv32a(123456), 2166136261);