Function freb

packages/replay-worker/examples/worker.js:28–41

(eb, start)

var clim = new u8([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);
// get base, reverse index map from extra bits
var freb = function (eb, start) {
  var b = new u16(31);
  for (var i = 0; i < 31; ++i) {
    b[i] = start += 1 << eb[i - 1];
  }
  // numbers here are at max 18 bits
  var r = new i32(b[30]);
  for (var i = 1; i < 30; ++i) {
    for (var j = b[i]; j < b[i + 1]; ++j) {
      r[j] = ((j - b[i]) << 5) | i;
    }
  }
  return { b: b, r: r };
};
var _a = freb(fleb, 2),
  fl = _a.b,
  revfl = _a.r;