react-slick/lib/dots.js

React port of slick carousel

"use strict";

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

var _react = _interopRequireDefault(require("react"));

var _classnames = _interopRequireDefault(require("classnames"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

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; }

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

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var getDotCount = function getDotCount(spec) {
  var dots;

  if (spec.infinite) {
    dots = Math.ceil(spec.slideCount / spec.slidesToScroll);
  } else {
    dots = Math.ceil((spec.slideCount - spec.slidesToShow) / spec.slidesToScroll) + 1;
  }

  return dots;
};

var Dots =
/*#__PURE__*/
function (_React$PureComponent) {
  _inherits(Dots, _React$PureComponent);

  function Dots() {
    _classCallCheck(this, Dots);

    return _possibleConstructorReturn(this, _getPrototypeOf(Dots).apply(this, arguments));
  }

  _createClass(Dots, [{
    key: "clickHandler",
    value: function clickHandler(options, e) {
      // In Autoplay the focus stays on clicked button even after transition
      // to next slide. That only goes away by click somewhere outside
      e.preventDefault();
      this.props.clickHandler(options);
    }
  }, {
    key: "render",
    value: function render() {
      var _this = this;

      var dotCount = getDotCount({
        slideCount: this.props.slideCount,
        slidesToScroll: this.props.slidesToScroll,
        slidesToShow: this.props.slidesToShow,
        infinite: this.props.infinite
      }); // Apply join & split to Array to pre-fill it for IE8
      //
      // Credit: http://stackoverflow.com/a/13735425/1849458

      var _this$props = this.props,
          onMouseEnter = _this$props.onMouseEnter,
          onMouseOver = _this$props.onMouseOver,
          onMouseLeave = _this$props.onMouseLeave;
      var mouseEvents = {
        onMouseEnter: onMouseEnter,
        onMouseOver: onMouseOver,
        onMouseLeave: onMouseLeave
      };
      var dots = Array.apply(null, Array(dotCount + 1).join("0").split("")).map(function (x, i) {
        var leftBound = i * _this.props.slidesToScroll;
        var rightBound = i * _this.props.slidesToScroll + (_this.props.slidesToScroll - 1);
        var className = (0, _classnames["default"])({
          "slick-active": _this.props.currentSlide >= leftBound && _this.props.currentSlide <= rightBound
        });
        var dotOptions = {
          message: "dots",
          index: i,
          slidesToScroll: _this.props.slidesToScroll,
          currentSlide: _this.props.currentSlide
        };

        var onClick = _this.clickHandler.bind(_this, dotOptions);

        return _react["default"].createElement("li", {
          key: i,
          className: className
        }, _react["default"].cloneElement(_this.props.customPaging(i), {
          onClick: onClick
        }));
      });
      return _react["default"].cloneElement(this.props.appendDots(dots), _objectSpread({
        className: this.props.dotsClass
      }, mouseEvents));
    }
  }]);

  return Dots;
}(_react["default"].PureComponent);

exports.Dots = Dots;