var _xfBase =
/*#__PURE__*/
require("./_xfBase.js");

var XDropRepeatsWith =
/*#__PURE__*/
function () {
  function XDropRepeatsWith(pred, xf) {
    this.xf = xf;
    this.pred = pred;
    this.lastValue = undefined;
    this.seenFirstValue = false;
  }

  XDropRepeatsWith.prototype['@@transducer/init'] = _xfBase.init;
  XDropRepeatsWith.prototype['@@transducer/result'] = _xfBase.result;

  XDropRepeatsWith.prototype['@@transducer/step'] = function (result, input) {
    var sameAsLast = false;

    if (!this.seenFirstValue) {
      this.seenFirstValue = true;
    } else if (this.pred(this.lastValue, input)) {
      sameAsLast = true;
    }

    this.lastValue = input;
    return sameAsLast ? result : this.xf['@@transducer/step'](result, input);
  };

  return XDropRepeatsWith;
}();

function _xdropRepeatsWith(pred) {
  return function (xf) {
    return new XDropRepeatsWith(pred, xf);
  };
}

module.exports = _xdropRepeatsWith;