slider.js 9.53 KB
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _createSuper2 = _interopRequireDefault(require("@babel/runtime/helpers/createSuper"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

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");

var Slider = /*#__PURE__*/function (_React$Component) {
  (0, _inherits2["default"])(Slider, _React$Component);

  var _super = (0, _createSuper2["default"])(Slider);

  function Slider(props) {
    var _this;

    (0, _classCallCheck2["default"])(this, Slider);
    _this = _super.call(this, props);
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "innerSliderRefHandler", function (ref) {
      return _this.innerSlider = ref;
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "slickPrev", function () {
      return _this.innerSlider.slickPrev();
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "slickNext", function () {
      return _this.innerSlider.slickNext();
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "slickGoTo", function (slide) {
      var dontAnimate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
      return _this.innerSlider.slickGoTo(slide, dontAnimate);
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "slickPause", function () {
      return _this.innerSlider.pause("paused");
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "slickPlay", function () {
      return _this.innerSlider.autoPlay("play");
    });
    _this.state = {
      breakpoint: null
    };
    _this._responsiveMediaHandlers = [];
    return _this;
  }

  (0, _createClass2["default"])(Slider, [{
    key: "media",
    value: function media(query, handler) {
      // javascript handler for  css media query
      var mql = window.matchMedia(query);

      var listener = function listener(_ref) {
        var matches = _ref.matches;

        if (matches) {
          handler();
        }
      };

      mql.addListener(listener);
      listener(mql);

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

  }, {
    key: "componentDidMount",
    value: function componentDidMount() {
      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) {
        obj.mql.removeListener(obj.listener);
      });
    }
  }, {
    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" : (0, _objectSpread2["default"])((0, _objectSpread2["default"])((0, _objectSpread2["default"])({}, _defaultProps["default"]), this.props), newProps[0].settings);
      } else {
        settings = (0, _objectSpread2["default"])((0, _objectSpread2["default"])({}, _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( /*#__PURE__*/_react["default"].cloneElement(children[k], {
              key: 100 * i + 10 * j + k,
              tabIndex: -1,
              style: {
                width: "".concat(100 / settings.slidesPerRow, "%"),
                display: "inline-block"
              }
            }));
          }

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

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

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

      return /*#__PURE__*/_react["default"].createElement(_innerSlider.InnerSlider, (0, _extends2["default"])({
        style: this.props.style,
        ref: this.innerSliderRefHandler
      }, settings), newChildren);
    }
  }]);
  return Slider;
}(_react["default"].Component);

exports["default"] = Slider;