385 lines
16 KiB
JavaScript
385 lines
16 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _react = _interopRequireWildcard(require("react"));
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var _cssClasses = _interopRequireDefault(require("../cssClasses"));
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var _dimensions = require("../dimensions");
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var _CSSTranslate = _interopRequireDefault(require("../CSSTranslate"));
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var _reactEasySwipe = _interopRequireDefault(require("react-easy-swipe"));
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var _window = _interopRequireDefault(require("../shims/window"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function _typeof(obj) { "@babel/helpers - typeof"; 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); }
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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); }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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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); }
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function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
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function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
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function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
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function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
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function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
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function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
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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; }
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var isKeyboardEvent = function isKeyboardEvent(e) {
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return e.hasOwnProperty('key');
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};
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var Thumbs = /*#__PURE__*/function (_Component) {
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_inherits(Thumbs, _Component);
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var _super = _createSuper(Thumbs);
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function Thumbs(_props) {
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var _this;
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_classCallCheck(this, Thumbs);
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_this = _super.call(this, _props);
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_defineProperty(_assertThisInitialized(_this), "itemsWrapperRef", void 0);
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_defineProperty(_assertThisInitialized(_this), "itemsListRef", void 0);
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_defineProperty(_assertThisInitialized(_this), "thumbsRef", void 0);
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_defineProperty(_assertThisInitialized(_this), "setItemsWrapperRef", function (node) {
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_this.itemsWrapperRef = node;
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});
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_defineProperty(_assertThisInitialized(_this), "setItemsListRef", function (node) {
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_this.itemsListRef = node;
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});
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_defineProperty(_assertThisInitialized(_this), "setThumbsRef", function (node, index) {
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if (!_this.thumbsRef) {
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_this.thumbsRef = [];
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}
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_this.thumbsRef[index] = node;
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});
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_defineProperty(_assertThisInitialized(_this), "updateSizes", function () {
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if (!_this.props.children || !_this.itemsWrapperRef || !_this.thumbsRef) {
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return;
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}
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var total = _react.Children.count(_this.props.children);
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var wrapperSize = _this.itemsWrapperRef.clientWidth;
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var itemSize = _this.props.thumbWidth ? _this.props.thumbWidth : (0, _dimensions.outerWidth)(_this.thumbsRef[0]);
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var visibleItems = Math.floor(wrapperSize / itemSize);
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var showArrows = visibleItems < total;
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var lastPosition = showArrows ? total - visibleItems : 0;
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_this.setState(function (_state, props) {
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return {
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itemSize: itemSize,
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visibleItems: visibleItems,
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firstItem: showArrows ? _this.getFirstItem(props.selectedItem) : 0,
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lastPosition: lastPosition,
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showArrows: showArrows
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};
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});
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});
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_defineProperty(_assertThisInitialized(_this), "handleClickItem", function (index, item, e) {
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if (!isKeyboardEvent(e) || e.key === 'Enter') {
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var handler = _this.props.onSelectItem;
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if (typeof handler === 'function') {
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handler(index, item);
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}
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}
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});
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_defineProperty(_assertThisInitialized(_this), "onSwipeStart", function () {
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_this.setState({
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swiping: true
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});
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});
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_defineProperty(_assertThisInitialized(_this), "onSwipeEnd", function () {
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_this.setState({
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swiping: false
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});
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});
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_defineProperty(_assertThisInitialized(_this), "onSwipeMove", function (delta) {
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var deltaX = delta.x;
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if (!_this.state.itemSize || !_this.itemsWrapperRef || !_this.state.visibleItems) {
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return false;
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}
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var leftBoundary = 0;
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var childrenLength = _react.Children.count(_this.props.children);
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var currentPosition = -(_this.state.firstItem * 100) / _this.state.visibleItems;
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var lastLeftItem = Math.max(childrenLength - _this.state.visibleItems, 0);
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var lastLeftBoundary = -lastLeftItem * 100 / _this.state.visibleItems; // prevent user from swiping left out of boundaries
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if (currentPosition === leftBoundary && deltaX > 0) {
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deltaX = 0;
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} // prevent user from swiping right out of boundaries
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if (currentPosition === lastLeftBoundary && deltaX < 0) {
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deltaX = 0;
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}
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var wrapperSize = _this.itemsWrapperRef.clientWidth;
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var position = currentPosition + 100 / (wrapperSize / deltaX); // if 3d isn't available we will use left to move
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if (_this.itemsListRef) {
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['WebkitTransform', 'MozTransform', 'MsTransform', 'OTransform', 'transform', 'msTransform'].forEach(function (prop) {
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_this.itemsListRef.style[prop] = (0, _CSSTranslate.default)(position, '%', _this.props.axis);
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});
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}
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return true;
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});
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_defineProperty(_assertThisInitialized(_this), "slideRight", function (positions) {
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_this.moveTo(_this.state.firstItem - (typeof positions === 'number' ? positions : 1));
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});
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_defineProperty(_assertThisInitialized(_this), "slideLeft", function (positions) {
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_this.moveTo(_this.state.firstItem + (typeof positions === 'number' ? positions : 1));
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});
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_defineProperty(_assertThisInitialized(_this), "moveTo", function (position) {
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// position can't be lower than 0
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position = position < 0 ? 0 : position; // position can't be higher than last postion
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position = position >= _this.state.lastPosition ? _this.state.lastPosition : position;
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_this.setState({
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firstItem: position
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});
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});
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_this.state = {
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selectedItem: _props.selectedItem,
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swiping: false,
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showArrows: false,
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firstItem: 0,
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visibleItems: 0,
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lastPosition: 0
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};
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return _this;
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}
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_createClass(Thumbs, [{
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key: "componentDidMount",
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value: function componentDidMount() {
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this.setupThumbs();
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}
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}, {
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key: "componentDidUpdate",
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value: function componentDidUpdate(prevProps) {
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if (this.props.selectedItem !== this.state.selectedItem) {
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this.setState({
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selectedItem: this.props.selectedItem,
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firstItem: this.getFirstItem(this.props.selectedItem)
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});
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}
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if (this.props.children === prevProps.children) {
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return;
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} // This will capture any size changes for arrow adjustments etc.
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// usually in the same render cycle so we don't see any flickers
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this.updateSizes();
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}
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}, {
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key: "componentWillUnmount",
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value: function componentWillUnmount() {
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this.destroyThumbs();
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}
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}, {
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key: "setupThumbs",
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value: function setupThumbs() {
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// as the widths are calculated, we need to resize
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// the carousel when the window is resized
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(0, _window.default)().addEventListener('resize', this.updateSizes); // issue #2 - image loading smaller
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(0, _window.default)().addEventListener('DOMContentLoaded', this.updateSizes); // when the component is rendered we need to calculate
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// the container size to adjust the responsive behaviour
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this.updateSizes();
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}
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}, {
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key: "destroyThumbs",
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value: function destroyThumbs() {
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// removing listeners
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(0, _window.default)().removeEventListener('resize', this.updateSizes);
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(0, _window.default)().removeEventListener('DOMContentLoaded', this.updateSizes);
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}
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}, {
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key: "getFirstItem",
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value: function getFirstItem(selectedItem) {
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var firstItem = selectedItem;
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if (selectedItem >= this.state.lastPosition) {
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firstItem = this.state.lastPosition;
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}
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if (selectedItem < this.state.firstItem + this.state.visibleItems) {
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firstItem = this.state.firstItem;
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}
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if (selectedItem < this.state.firstItem) {
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firstItem = selectedItem;
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}
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return firstItem;
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}
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}, {
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key: "renderItems",
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value: function renderItems() {
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var _this2 = this;
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return this.props.children.map(function (img, index) {
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var itemClass = _cssClasses.default.ITEM(false, index === _this2.state.selectedItem);
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var thumbProps = {
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key: index,
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ref: function ref(e) {
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return _this2.setThumbsRef(e, index);
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},
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className: itemClass,
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onClick: _this2.handleClickItem.bind(_this2, index, _this2.props.children[index]),
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onKeyDown: _this2.handleClickItem.bind(_this2, index, _this2.props.children[index]),
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'aria-label': "".concat(_this2.props.labels.item, " ").concat(index + 1),
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style: {
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width: _this2.props.thumbWidth
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}
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};
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return /*#__PURE__*/_react.default.createElement("li", _extends({}, thumbProps, {
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role: "button",
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tabIndex: 0
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}), img);
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});
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}
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}, {
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key: "render",
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value: function render() {
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var _this3 = this;
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if (!this.props.children) {
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return null;
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}
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var isSwipeable = _react.Children.count(this.props.children) > 1; // show left arrow?
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var hasPrev = this.state.showArrows && this.state.firstItem > 0; // show right arrow
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var hasNext = this.state.showArrows && this.state.firstItem < this.state.lastPosition; // obj to hold the transformations and styles
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var itemListStyles = {};
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var currentPosition = -this.state.firstItem * (this.state.itemSize || 0);
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var transformProp = (0, _CSSTranslate.default)(currentPosition, 'px', this.props.axis);
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var transitionTime = this.props.transitionTime + 'ms';
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itemListStyles = {
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WebkitTransform: transformProp,
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MozTransform: transformProp,
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MsTransform: transformProp,
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OTransform: transformProp,
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transform: transformProp,
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msTransform: transformProp,
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WebkitTransitionDuration: transitionTime,
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MozTransitionDuration: transitionTime,
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MsTransitionDuration: transitionTime,
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OTransitionDuration: transitionTime,
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transitionDuration: transitionTime,
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msTransitionDuration: transitionTime
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};
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return /*#__PURE__*/_react.default.createElement("div", {
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className: _cssClasses.default.CAROUSEL(false)
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}, /*#__PURE__*/_react.default.createElement("div", {
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className: _cssClasses.default.WRAPPER(false),
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ref: this.setItemsWrapperRef
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}, /*#__PURE__*/_react.default.createElement("button", {
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type: "button",
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className: _cssClasses.default.ARROW_PREV(!hasPrev),
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onClick: function onClick() {
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return _this3.slideRight();
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},
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"aria-label": this.props.labels.leftArrow
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}), isSwipeable ? /*#__PURE__*/_react.default.createElement(_reactEasySwipe.default, {
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tagName: "ul",
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className: _cssClasses.default.SLIDER(false, this.state.swiping),
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onSwipeLeft: this.slideLeft,
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onSwipeRight: this.slideRight,
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onSwipeMove: this.onSwipeMove,
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onSwipeStart: this.onSwipeStart,
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onSwipeEnd: this.onSwipeEnd,
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style: itemListStyles,
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innerRef: this.setItemsListRef,
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allowMouseEvents: this.props.emulateTouch
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}, this.renderItems()) : /*#__PURE__*/_react.default.createElement("ul", {
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className: _cssClasses.default.SLIDER(false, this.state.swiping),
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ref: function ref(node) {
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return _this3.setItemsListRef(node);
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},
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style: itemListStyles
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}, this.renderItems()), /*#__PURE__*/_react.default.createElement("button", {
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type: "button",
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className: _cssClasses.default.ARROW_NEXT(!hasNext),
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onClick: function onClick() {
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return _this3.slideLeft();
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},
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"aria-label": this.props.labels.rightArrow
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})));
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}
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}]);
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return Thumbs;
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}(_react.Component);
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exports.default = Thumbs;
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_defineProperty(Thumbs, "displayName", 'Thumbs');
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_defineProperty(Thumbs, "defaultProps", {
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axis: 'horizontal',
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labels: {
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leftArrow: 'previous slide / item',
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rightArrow: 'next slide / item',
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item: 'slide item'
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},
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selectedItem: 0,
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thumbWidth: 80,
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transitionTime: 350
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}); |