react-smooth-slider/lib/TouchHelper.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var _default = function _default() {
  var _this = this;

  _classCallCheck(this, _default);

  _defineProperty(this, "start", {
    x: 0,
    y: 0
  });

  _defineProperty(this, "end", {
    x: 0,
    y: 0
  });

  _defineProperty(this, "touches", 0);

  _defineProperty(this, "isScrolling", false);

  _defineProperty(this, "swiped", false);

  _defineProperty(this, "getAverage", function (touches, axis) {
    return Array.from(touches).reduce(function (prev, cur) {
      return prev + cur["client".concat(axis)];
    }, 0) / touches.length;
  });

  _defineProperty(this, "onTouchEnd", function () {
    _this.isScrolling = false;
    _this.start = {
      x: 0,
      y: 0
    };
    _this.end = {
      x: 0,
      y: 0
    };
  });

  _defineProperty(this, "onTouchMove", function (e) {
    _this.touches = e.touches.length;
    _this.end = {
      x: _this.getAverage(e.touches, 'X'),
      y: _this.getAverage(e.touches, 'Y')
    };

    if (!_this.swiped) {
      _this.swiped = true;
    }

    if (!_this.isScrolling) {
      _this.isScrolling = true;
      _this.start = {
        x: _this.getAverage(e.touches, 'X'),
        y: _this.getAverage(e.touches, 'Y')
      };
    }
  });
};

exports.default = _default;