react-slick/lib/slider.js

React port of slick carousel

"use strict";

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

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

var _innerSlider = require("./inner-slider");

var _json2mq = _interopRequireDefault(require("json2mq"));

var _defaultProps = _interopRequireDefault(require("./default-props"));

var _innerSliderUtils = require("./utils/innerSliderUtils");

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 _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

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

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

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); }

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 enquire = (0, _innerSliderUtils.canUseDOM)() && require("enquire.js");

var Slider =
/*#__PURE__*/
function (_React$Component) {
  _inherits(Slider, _React$Component);

  function Slider(props) {
    var _this;

    _classCallCheck(this, Slider);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Slider).call(this, props));

    _defineProperty(_assertThisInitialized(_this), "innerSliderRefHandler", function (ref) {
      return _this.innerSlider = ref;
    });

    _defineProperty(_assertThisInitialized(_this), "slickPrev", function () {
      return _this.innerSlider.slickPrev();
    });

    _defineProperty(_assertThisInitialized(_this), "slickNext", function () {
      return _this.innerSlider.slickNext();
    });

    _defineProperty(_assertThisInitialized(_this), "slickGoTo", function (slide) {
      var dontAnimate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
      return _this.innerSlider.slickGoTo(slide, dontAnimate);
    });

    _defineProperty(_assertThisInitialized(_this), "slickPause", function () {
      return _this.innerSlider.pause("paused");
    });

    _defineProperty(_assertThisInitialized(_this), "slickPlay", function () {
      return _this.innerSlider.autoPlay("play");
    });

    _this.state = {
      breakpoint: null
    };
    _this._responsiveMediaHandlers = [];
    return _this;
  }

  _createClass(Slider, [{
    key: "media",
    value: function media(query, handler) {
      // javascript handler for  css media query
      enquire.register(query, handler);

      this._responsiveMediaHandlers.push({
        query: query,
        handler: handler
      });
    } // handles responsive breakpoints

  }, {
    key: "UNSAFE_componentWillMount",
    value: function UNSAFE_componentWillMount() {
      var _this2 = this;

      // performance monitoring
      //if (process.env.NODE_ENV !== 'production') {
      //const { whyDidYouUpdate } = require('why-did-you-update')
      //whyDidYouUpdate(React)
      //}
      if (this.props.responsive) {
        var breakpoints = this.props.responsive.map(function (breakpt) {
          return breakpt.breakpoint;
        }); // sort them in increasing order of their numerical value

        breakpoints.sort(function (x, y) {
          return x - y;
        });
        breakpoints.forEach(function (breakpoint, index) {
          // media query for each breakpoint
          var bQuery;

          if (index === 0) {
            bQuery = (0, _json2mq["default"])({
              minWidth: 0,
              maxWidth: breakpoint
            });
          } else {
            bQuery = (0, _json2mq["default"])({
              minWidth: breakpoints[index - 1] + 1,
              maxWidth: breakpoint
            });
          } // when not using server side rendering


          (0, _innerSliderUtils.canUseDOM)() && _this2.media(bQuery, function () {
            _this2.setState({
              breakpoint: breakpoint
            });
          });
        }); // Register media query for full screen. Need to support resize from small to large
        // convert javascript object to media query string

        var query = (0, _json2mq["default"])({
          minWidth: breakpoints.slice(-1)[0]
        });
        (0, _innerSliderUtils.canUseDOM)() && this.media(query, function () {
          _this2.setState({
            breakpoint: null
          });
        });
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this._responsiveMediaHandlers.forEach(function (obj) {
        enquire.unregister(obj.query, obj.handler);
      });
    }
  }, {
    key: "render",
    value: function render() {
      var _this3 = this;

      var settings;
      var newProps;

      if (this.state.breakpoint) {
        newProps = this.props.responsive.filter(function (resp) {
          return resp.breakpoint === _this3.state.breakpoint;
        });
        settings = newProps[0].settings === "unslick" ? "unslick" : _objectSpread({}, _defaultProps["default"], {}, this.props, {}, newProps[0].settings);
      } else {
        settings = _objectSpread({}, _defaultProps["default"], {}, this.props);
      } // force scrolling by one if centerMode is on


      if (settings.centerMode) {
        if (settings.slidesToScroll > 1 && process.env.NODE_ENV !== "production") {
          console.warn("slidesToScroll should be equal to 1 in centerMode, you are using ".concat(settings.slidesToScroll));
        }

        settings.slidesToScroll = 1;
      } // force showing one slide and scrolling by one if the fade mode is on


      if (settings.fade) {
        if (settings.slidesToShow > 1 && process.env.NODE_ENV !== "production") {
          console.warn("slidesToShow should be equal to 1 when fade is true, you're using ".concat(settings.slidesToShow));
        }

        if (settings.slidesToScroll > 1 && process.env.NODE_ENV !== "production") {
          console.warn("slidesToScroll should be equal to 1 when fade is true, you're using ".concat(settings.slidesToScroll));
        }

        settings.slidesToShow = 1;
        settings.slidesToScroll = 1;
      } // makes sure that children is an array, even when there is only 1 child


      var children = _react["default"].Children.toArray(this.props.children); // Children may contain false or null, so we should filter them
      // children may also contain string filled with spaces (in certain cases where we use jsx strings)


      children = children.filter(function (child) {
        if (typeof child === "string") {
          return !!child.trim();
        }

        return !!child;
      }); // rows and slidesPerRow logic is handled here

      if (settings.variableWidth && (settings.rows > 1 || settings.slidesPerRow > 1)) {
        console.warn("variableWidth is not supported in case of rows > 1 or slidesPerRow > 1");
        settings.variableWidth = false;
      }

      var newChildren = [];
      var currentWidth = null;

      for (var i = 0; i < children.length; i += settings.rows * settings.slidesPerRow) {
        var newSlide = [];

        for (var j = i; j < i + settings.rows * settings.slidesPerRow; j += settings.slidesPerRow) {
          var row = [];

          for (var k = j; k < j + settings.slidesPerRow; k += 1) {
            if (settings.variableWidth && children[k].props.style) {
              currentWidth = children[k].props.style.width;
            }

            if (k >= children.length) break;
            row.push(_react["default"].cloneElement(children[k], {
              key: 100 * i + 10 * j + k,
              tabIndex: -1,
              style: {
                width: "".concat(100 / settings.slidesPerRow, "%"),
                display: "inline-block"
              }
            }));
          }

          newSlide.push(_react["default"].createElement("div", {
            key: 10 * i + j
          }, row));
        }

        if (settings.variableWidth) {
          newChildren.push(_react["default"].createElement("div", {
            key: i,
            style: {
              width: currentWidth
            }
          }, newSlide));
        } else {
          newChildren.push(_react["default"].createElement("div", {
            key: i
          }, newSlide));
        }
      }

      if (settings === "unslick") {
        var className = "regular slider " + (this.props.className || "");
        return _react["default"].createElement("div", {
          className: className
        }, newChildren);
      } else if (newChildren.length <= settings.slidesToShow) {
        settings.unslick = true;
      }

      return _react["default"].createElement(_innerSlider.InnerSlider, _extends({
        style: this.props.style,
        ref: this.innerSliderRefHandler
      }, settings), newChildren);
    }
  }]);

  return Slider;
}(_react["default"].Component);

exports["default"] = Slider;