content: import React, { Component } from 'react';
  import { DomHandler, UniqueComponentId, classNames, ObjectUtils } from 'primereact/utils';
  import { Ripple } from 'primereact/ripple';
  
  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;
  
    for (var i = 0, arr2 = new Array(len); i < len; i++) {
      arr2[i] = arr[i];
    }
  
    return arr2;
  }
  
  function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) return _arrayLikeToArray(arr);
  }
  
  function _iterableToArray(iter) {
    if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
  }
  
  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(o);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }
  
  function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }
  
  function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
  }
  
  function _assertThisInitialized(self) {
    if (self === void 0) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }
  
    return self;
  }
  
  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);
    Object.defineProperty(Constructor, "prototype", {
      writable: false
    });
    return Constructor;
  }
  
  function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  }
  
  function _setPrototypeOf(o, p) {
    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
      o.__proto__ = p;
      return o;
    };
  
    return _setPrototypeOf(o, p);
  }
  
  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
      }
    });
    Object.defineProperty(subClass, "prototype", {
      writable: false
    });
    if (superClass) _setPrototypeOf(subClass, superClass);
  }
  
  function _typeof(obj) {
    "@babel/helpers - typeof";
  
    return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
      return typeof obj;
    } : function (obj) {
      return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    }, _typeof(obj);
  }
  
  function _possibleConstructorReturn(self, call) {
    if (call && (_typeof(call) === "object" || typeof call === "function")) {
      return call;
    } else if (call !== void 0) {
      throw new TypeError("Derived constructors may only return object or undefined");
    }
  
    return _assertThisInitialized(self);
  }
  
  function _getPrototypeOf(o) {
    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
      return o.__proto__ || Object.getPrototypeOf(o);
    };
    return _getPrototypeOf(o);
  }
  
  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 ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); 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 = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
  
  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); }; }
  
  function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
  var TabPanel = /*#__PURE__*/function (_Component) {
    _inherits(TabPanel, _Component);
  
    var _super = _createSuper(TabPanel);
  
    function TabPanel() {
      _classCallCheck(this, TabPanel);
  
      return _super.apply(this, arguments);
    }
  
    return _createClass(TabPanel);
  }(Component);
  
  _defineProperty(TabPanel, "defaultProps", {
    header: null,
    headerTemplate: null,
    leftIcon: null,
    rightIcon: null,
    closable: false,
    disabled: false,
    style: null,
    className: null,
    headerStyle: null,
    headerClassName: null,
    contentStyle: null,
    contentClassName: null
  });
  
  var TabView = /*#__PURE__*/function (_Component2) {
    _inherits(TabView, _Component2);
  
    var _super2 = _createSuper(TabView);
  
    function TabView(props) {
      var _this;
  
      _classCallCheck(this, TabView);
  
      _this = _super2.call(this, props);
      var state = {
        id: props.id,
        backwardIsDisabled: true,
        forwardIsDisabled: false,
        hiddenTabs: []
      };
  
      if (!_this.props.onTabChange) {
        state = _objectSpread(_objectSpread({}, state), {}, {
          activeIndex: props.activeIndex
        });
      }
  
      _this.state = state;
      _this.navBackward = _this.navBackward.bind(_assertThisInitialized(_this));
      _this.navForward = _this.navForward.bind(_assertThisInitialized(_this));
      _this.onScroll = _this.onScroll.bind(_assertThisInitialized(_this));
      return _this;
    }
  
    _createClass(TabView, [{
      key: "getActiveIndex",
      value: function getActiveIndex() {
        return this.props.onTabChange ? this.props.activeIndex : this.state.activeIndex;
      }
    }, {
      key: "isSelected",
      value: function isSelected(index) {
        return index === this.getActiveIndex();
      }
    }, {
      key: "shouldTabRender",
      value: function shouldTabRender(tab, index) {
        return tab && tab.type === TabPanel && this.state.hiddenTabs.every(function (_i) {
          return _i !== index;
        });
      }
    }, {
      key: "findVisibleActiveTab",
      value: function findVisibleActiveTab(i) {
        var _this2 = this;
  
        var tabsInfo = React.Children.map(this.props.children, function (tab, index) {
          if (_this2.shouldTabRender(tab, index)) {
            return {
              tab: tab,
              index: index
            };
          }
        });
        return tabsInfo.find(function (_ref) {
          var tab = _ref.tab,
              index = _ref.index;
          return !tab.props.disabled && index >= i;
        }) || tabsInfo.reverse().find(function (_ref2) {
          var tab = _ref2.tab,
              index = _ref2.index;
          return !tab.props.disabled && i > index;
        });
      }
    }, {
      key: "onTabHeaderClose",
      value: function onTabHeaderClose(event, index) {
        var _this3 = this;
  
        var hiddenTabs = [].concat(_toConsumableArray(this.state.hiddenTabs), [index]);
        this.setState({
          hiddenTabs: hiddenTabs
        }, function () {
          var tabInfo = _this3.findVisibleActiveTab(index);
  
          tabInfo && _this3.onTabHeaderClick(event, tabInfo.tab, tabInfo.index);
        });
  
        if (this.props.onTabClose) {
          this.props.onTabClose({
            originalEvent: event,
            index: index
          });
        }
  
        event.preventDefault();
      }
    }, {
      key: "onTabHeaderClick",
      value: function onTabHeaderClick(event, tab, index) {
        if (!tab.props.disabled) {
          if (this.props.onTabChange) {
            this.props.onTabChange({
              originalEvent: event,
              index: index
            });
          } else {
            this.setState({
              activeIndex: index
            });
          }
        }
  
        this.updateScrollBar(index);
        event.preventDefault();
      }
    }, {
      key: "onKeyDown",
      value: function onKeyDown(event, tab, index) {
        if (event.code === 'Enter') {
          this.onTabHeaderClick(event, tab, index);
        }
      }
    }, {
      key: "updateInkBar",
      value: function updateInkBar() {
        var activeIndex = this.getActiveIndex();
        var tabHeader = this["tab_".concat(activeIndex)];
        this.inkbar.style.width = DomHandler.getWidth(tabHeader) + 'px';
        this.inkbar.style.left = DomHandler.getOffset(tabHeader).left - DomHandler.getOffset(this.nav).left + 'px';
      }
    }, {
      key: "updateScrollBar",
      value: function updateScrollBar(index) {
        var tabHeader = this["tab_".concat(index)];
  
        if (tabHeader) {
          tabHeader.scrollIntoView({
            block: 'nearest'
          });
        }
      }
    }, {
      key: "updateButtonState",
      value: function updateButtonState() {
        var content = this.content;
        var scrollLeft = content.scrollLeft,
            scrollWidth = content.scrollWidth;
        var width = DomHandler.getWidth(content);
        this.setState({
          backwardIsDisabled: scrollLeft === 0
        });
        this.setState({
          forwardIsDisabled: scrollLeft === scrollWidth - width
        });
      }
    }, {
      key: "onScroll",
      value: function onScroll(event) {
        this.props.scrollable && this.updateButtonState();
        event.preventDefault();
      }
    }, {
      key: "getVisibleButtonWidths",
      value: function getVisibleButtonWidths() {
        var prevBtn = this.prevBtn;
        var nextBtn = this.nextBtn;
        return [prevBtn, nextBtn].reduce(function (acc, el) {
          return el ? acc + DomHandler.getWidth(el) : acc;
        }, 0);
      }
    }, {
      key: "navBackward",
      value: function navBackward() {
        var content = this.content;
        var width = DomHandler.getWidth(content) - this.getVisibleButtonWidths();
        var pos = content.scrollLeft - width;
        content.scrollLeft = pos <= 0 ? 0 : pos;
      }
    }, {
      key: "navForward",
      value: function navForward() {
        var content = this.content;
        var width = DomHandler.getWidth(content) - this.getVisibleButtonWidths();
        var pos = content.scrollLeft + width;
        var lastPos = content.scrollWidth - width;
        content.scrollLeft = pos >= lastPos ? lastPos : pos;
      }
    }, {
      key: "reset",
      value: function reset() {
        var state = {
          backwardIsDisabled: true,
          forwardIsDisabled: false,
          hiddenTabs: []
        };
  
        if (this.props.onTabChange) {
          this.props.onTabChange({
            index: this.props.activeIndex
          });
        } else {
          state = _objectSpread(_objectSpread({}, state), {}, {
            activeIndex: this.props.activeIndex
          });
        }
  
        this.setState(state);
      }
    }, {
      key: "componentDidMount",
      value: function componentDidMount() {
        if (!this.state.id) {
          this.setState({
            id: UniqueComponentId()
          });
        }
  
        this.updateInkBar();
      }
    }, {
      key: "componentDidUpdate",
      value: function componentDidUpdate(prevProps) {
        this.updateInkBar();
  
        if (prevProps.activeIndex !== this.props.activeIndex) {
          this.updateScrollBar(this.props.activeIndex);
        }
      }
    }, {
      key: "renderTabHeader",
      value: function renderTabHeader(tab, index) {
        var _this4 = this;
  
        var selected = this.isSelected(index);
  
        var style = _objectSpread(_objectSpread({}, tab.props.headerStyle || {}), tab.props.style || {});
  
        var className = classNames('p-unselectable-text', {
          'p-tabview-selected p-highlight': selected,
          'p-disabled': tab.props.disabled
        }, tab.props.headerClassName, tab.props.className);
        var id = this.state.id + '_header_' + index;
        var ariaControls = this.state.id + '_content_' + index;
        var tabIndex = tab.props.disabled ? null : 0;
        var leftIconElement = tab.props.leftIcon && /*#__PURE__*/React.createElement("i", {
          className: tab.props.leftIcon
        });
        var titleElement = /*#__PURE__*/React.createElement("span", {
          className: "p-tabview-title"
        }, tab.props.header);
        var rightIconElement = tab.props.rightIcon && /*#__PURE__*/React.createElement("i", {
          className: tab.props.rightIcon
        });
        var closableIconElement = tab.props.closable && /*#__PURE__*/React.createElement("i", {
          className: "p-tabview-close pi pi-times",
          onClick: function onClick(e) {
            return _this4.onTabHeaderClose(e, index);
          }
        });
        var content =
        /*#__PURE__*/
  
        /* eslint-disable */
        React.createElement("a", {
          role: "tab",
          className: "p-tabview-nav-link",
          onClick: function onClick(event) {
            return _this4.onTabHeaderClick(event, tab, index);
          },
          id: id,
          onKeyDown: function onKeyDown(event) {
            return _this4.onKeyDown(event, tab, index);
          },
          "aria-controls": ariaControls,
          "aria-selected": selected,
          tabIndex: tabIndex
        }, leftIconElement, titleElement, rightIconElement, closableIconElement, /*#__PURE__*/React.createElement(Ripple, null))
        /* eslint-enable */
        ;
  
        if (tab.props.headerTemplate) {
          var defaultContentOptions = {
            className: 'p-tabview-nav-link',
            titleClassName: 'p-tabview-title',
            onClick: function onClick(event) {
              return _this4.onTabHeaderClick(event, tab, index);
            },
            onKeyDown: function onKeyDown(event) {
              return _this4.onKeyDown(event, tab, index);
            },
            leftIconElement: leftIconElement,
            titleElement: titleElement,
            rightIconElement: rightIconElement,
            element: content,
            props: this.props,
            index: index,
            selected: selected,
            ariaControls: ariaControls
          };
          content = ObjectUtils.getJSXElement(tab.props.headerTemplate, defaultContentOptions);
        }
  
        return /*#__PURE__*/React.createElement("li", {
          ref: function ref(el) {
            return _this4["tab_".concat(index)] = el;
          },
          className: className,
          style: style,
          role: "presentation"
        }, content);
      }
    }, {
      key: "renderTabHeaders",
      value: function renderTabHeaders() {
        var _this5 = this;
  
        return React.Children.map(this.props.children, function (tab, index) {
          if (_this5.shouldTabRender(tab, index)) {
            return _this5.renderTabHeader(tab, index);
          }
        });
      }
    }, {
      key: "renderNavigator",
      value: function renderNavigator() {
        var _this6 = this;
  
        var headers = this.renderTabHeaders();
        return /*#__PURE__*/React.createElement("div", {
          ref: function ref(el) {
            return _this6.content = el;
          },
          id: this.props.id,
          className: "p-tabview-nav-content",
          style: this.props.style,
          onScroll: this.onScroll
        }, /*#__PURE__*/React.createElement("ul", {
          ref: function ref(el) {
            return _this6.nav = el;
          },
          className: "p-tabview-nav",
          role: "tablist"
        }, headers, /*#__PURE__*/React.createElement("li", {
          ref: function ref(el) {
            return _this6.inkbar = el;
          },
          className: "p-tabview-ink-bar"
        })));
      }
    }, {
      key: "renderContent",
      value: function renderContent() {
        var _this7 = this;
  
        var contents = React.Children.map(this.props.children, function (tab, index) {
          if (_this7.shouldTabRender(tab, index) && (!_this7.props.renderActiveOnly || _this7.isSelected(index))) {
            return _this7.createContent(tab, index);
          }
        });
        return /*#__PURE__*/React.createElement("div", {
          className: "p-tabview-panels"
        }, contents);
      }
    }, {
      key: "createContent",
      value: function createContent(tab, index) {
        var selected = this.isSelected(index);
  
        var style = _objectSpread(_objectSpread({}, tab.props.contentStyle || {}), tab.props.style || {});
  
        var className = classNames(tab.props.contentClassName, tab.props.className, 'p-tabview-panel', {
          'p-hidden': !selected
        });
        var id = this.state.id + '_content_' + index;
        var ariaLabelledBy = this.state.id + '_header_' + index;
        return /*#__PURE__*/React.createElement("div", {
          id: id,
          "aria-labelledby": ariaLabelledBy,
          "aria-hidden": !selected,
          className: className,
          style: style,
          role: "tabpanel"
        }, !this.props.renderActiveOnly ? tab.props.children : selected && tab.props.children);
      }
    }, {
      key: "renderPrevButton",
      value: function renderPrevButton() {
        var _this8 = this;
  
        if (this.props.scrollable && !this.state.backwardIsDisabled) {
          return /*#__PURE__*/React.createElement("button", {
            ref: function ref(el) {
              return _this8.prevBtn = el;
            },
            className: "p-tabview-nav-prev p-tabview-nav-btn p-link",
            onClick: this.navBackward,
            type: "button"
          }, /*#__PURE__*/React.createElement("span", {
            className: "pi pi-chevron-left"
          }), /*#__PURE__*/React.createElement(Ripple, null));
        }
  
        return null;
      }
    }, {
      key: "renderNextButton",
      value: function renderNextButton() {
        var _this9 = this;
  
        if (this.props.scrollable && !this.state.forwardIsDisabled) {
          return /*#__PURE__*/React.createElement("button", {
            ref: function ref(el) {
              return _this9.nextBtn = el;
            },
            className: "p-tabview-nav-next p-tabview-nav-btn p-link",
            onClick: this.navForward,
            type: "button"
          }, /*#__PURE__*/React.createElement("span", {
            className: "pi pi-chevron-right"
          }), /*#__PURE__*/React.createElement(Ripple, null));
        }
      }
    }, {
      key: "render",
      value: function render() {
        var className = classNames('p-tabview p-component', this.props.className, {
          'p-tabview-scrollable': this.props.scrollable
        });
        var navigator = this.renderNavigator();
        var content = this.renderContent();
        var prevButton = this.renderPrevButton();
        var nextButton = this.renderNextButton();
        return /*#__PURE__*/React.createElement("div", {
          className: className
        }, /*#__PURE__*/React.createElement("div", {
          className: "p-tabview-nav-container"
        }, prevButton, navigator, nextButton), content);
      }
    }]);
  
    return TabView;
  }(Component);
  
  _defineProperty(TabView, "defaultProps", {
    id: null,
    activeIndex: 0,
    style: null,
    className: null,
    renderActiveOnly: true,
    onTabChange: null,
    onTabClose: null,
    scrollable: false
  });
  
  export { TabPanel, TabView };
  