eris-keys/node_modules/ramda/src/internal/_xdropRepeatsWith.js

a JavaScript client library for eris-keys

var _curry2 = require('./_curry2');
var _xfBase = require('./_xfBase');


module.exports = (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 _curry2(function _xdropRepeatsWith(pred, xf) { return new XDropRepeatsWith(pred, xf); });
}());