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function isHidden(el) {\n  var style = window.getComputedStyle(el);\n  var hidden = style.display === 'none'; // offsetParent returns null in the following situations:\n  // 1. The element or its parent element has the display property set to none.\n  // 2. The element has the position property set to fixed\n\n  var parentHidden = el.offsetParent === null && style.position !== 'fixed';\n  return hidden || parentHidden;\n}","import _extends from \"@babel/runtime/helpers/esm/extends\";\nimport { isDef, createNamespace } from '../utils';\nimport { ChildrenMixin } from '../mixins/relation';\nimport { routeProps } from '../utils/router';\n\nvar _createNamespace = createNamespace('tab'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1];\n\nexport default createComponent({\n  mixins: [ChildrenMixin('vanTabs')],\n  props: _extends({}, routeProps, {\n    dot: Boolean,\n    info: [Number, String],\n    name: [Number, String],\n    title: String,\n    titleStyle: null,\n    disabled: Boolean\n  }),\n  data: function data() {\n    return {\n      inited: false\n    };\n  },\n  computed: {\n    computedName: function computedName() {\n      return isDef(this.name) ? this.name : this.index;\n    },\n    isActive: function isActive() {\n      return this.computedName === this.parent.currentName;\n    }\n  },\n  watch: {\n    // eslint-disable-next-line object-shorthand\n    'parent.currentIndex': function parentCurrentIndex() {\n      this.inited = this.inited || this.isActive;\n    },\n    title: function title() {\n      this.parent.setLine();\n    },\n    inited: function inited(val) {\n      var _this = this;\n\n      if (this.parent.lazyRender && val) {\n        this.$nextTick(function () {\n          _this.parent.$emit('rendered', _this.computedName, _this.title);\n        });\n      }\n    }\n  },\n  render: function render(h) {\n    var slots = this.slots,\n        parent = this.parent,\n        isActive = this.isActive;\n    var shouldRender = this.inited || parent.scrollspy || !parent.lazyRender;\n    var show = parent.scrollspy || isActive;\n    var Content = shouldRender ? slots() : h();\n\n    if (parent.animated) {\n      return h(\"div\", {\n        \"attrs\": {\n          \"role\": \"tabpanel\",\n          \"aria-hidden\": !isActive\n        },\n        \"class\": bem('pane-wrapper', {\n          inactive: !isActive\n        })\n      }, [h(\"div\", {\n        \"class\": bem('pane')\n      }, [Content])]);\n    }\n\n    return h(\"div\", {\n      \"directives\": [{\n        name: \"show\",\n        value: show\n      }],\n      \"attrs\": {\n        \"role\": \"tabpanel\"\n      },\n      \"class\": bem('pane')\n    }, [Content]);\n  }\n});","import { isHidden } from '../utils/dom/style';\nimport { createNamespace, isDef } from '../utils';\nimport { getScrollTop, getElementTop, getScroller } from '../utils/dom/scroll';\nimport { BindEventMixin } from '../mixins/bind-event';\n\nvar _createNamespace = createNamespace('sticky'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1];\n\nexport default createComponent({\n  mixins: [BindEventMixin(function (bind) {\n    if (!this.scroller) {\n      this.scroller = getScroller(this.$el);\n    }\n\n    bind(this.scroller, 'scroll', this.onScroll, true);\n    this.onScroll();\n  })],\n  props: {\n    zIndex: [Number, String],\n    container: null,\n    offsetTop: {\n      type: [Number, String],\n      default: 0\n    }\n  },\n  data: function data() {\n    return {\n      fixed: false,\n      height: 0,\n      transform: 0\n    };\n  },\n  computed: {\n    style: function style() {\n      if (!this.fixed) {\n        return;\n      }\n\n      var style = {};\n\n      if (isDef(this.zIndex)) {\n        style.zIndex = this.zIndex;\n      }\n\n      if (this.offsetTop && this.fixed) {\n        style.top = this.offsetTop + \"px\";\n      }\n\n      if (this.transform) {\n        style.transform = \"translate3d(0, \" + this.transform + \"px, 0)\";\n      }\n\n      return style;\n    }\n  },\n  methods: {\n    onScroll: function onScroll() {\n      var _this = this;\n\n      if (isHidden(this.$el)) {\n        return;\n      }\n\n      this.height = this.$el.offsetHeight;\n      var container = this.container;\n      var offsetTop = +this.offsetTop;\n      var scrollTop = getScrollTop(window);\n      var topToPageTop = getElementTop(this.$el);\n\n      var emitScrollEvent = function emitScrollEvent() {\n        _this.$emit('scroll', {\n          scrollTop: scrollTop,\n          isFixed: _this.fixed\n        });\n      }; // The sticky component should be kept inside the container element\n\n\n      if (container) {\n        var bottomToPageTop = topToPageTop + container.offsetHeight;\n\n        if (scrollTop + offsetTop + this.height > bottomToPageTop) {\n          var distanceToBottom = this.height + scrollTop - bottomToPageTop;\n\n          if (distanceToBottom < this.height) {\n            this.fixed = true;\n            this.transform = -(distanceToBottom + offsetTop);\n          } else {\n            this.fixed = false;\n          }\n\n          emitScrollEvent();\n          return;\n        }\n      }\n\n      if (scrollTop + offsetTop > topToPageTop) {\n        this.fixed = true;\n        this.transform = 0;\n      } else {\n        this.fixed = false;\n      }\n\n      emitScrollEvent();\n    }\n  },\n  render: function render() {\n    var h = arguments[0];\n    var fixed = this.fixed;\n    var style = {\n      height: fixed ? this.height + \"px\" : null\n    };\n    return h(\"div\", {\n      \"style\": style\n    }, [h(\"div\", {\n      \"class\": bem({\n        fixed: fixed\n      }),\n      \"style\": this.style\n    }, [this.slots()])]);\n  }\n});","import '../../style/base.css';\nimport '../../info/index.css';\nimport '../../icon/index.css';\nimport '../index.css';","import _mergeJSXProps2 from \"@vue/babel-helper-vue-jsx-merge-props\";\nimport _mergeJSXProps from \"@vue/babel-helper-vue-jsx-merge-props\";\nimport { createNamespace, isDef, addUnit } from '../utils';\nimport Icon from '../icon';\n\nvar _createNamespace = createNamespace('image'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1];\n\nexport default createComponent({\n  props: {\n    src: String,\n    fit: String,\n    alt: String,\n    round: Boolean,\n    width: [Number, String],\n    height: [Number, String],\n    radius: [Number, String],\n    lazyLoad: Boolean,\n    showError: {\n      type: Boolean,\n      default: true\n    },\n    showLoading: {\n      type: Boolean,\n      default: true\n    },\n    errorIcon: {\n      type: String,\n      default: 'warning-o'\n    },\n    loadingIcon: {\n      type: String,\n      default: 'photo-o'\n    }\n  },\n  data: function data() {\n    return {\n      loading: true,\n      error: false\n    };\n  },\n  watch: {\n    src: function src() {\n      this.loading = true;\n      this.error = false;\n    }\n  },\n  computed: {\n    style: function style() {\n      var style = {};\n\n      if (isDef(this.width)) {\n        style.width = addUnit(this.width);\n      }\n\n      if (isDef(this.height)) {\n        style.height = addUnit(this.height);\n      }\n\n      if (isDef(this.radius)) {\n        style.overflow = 'hidden';\n        style.borderRadius = addUnit(this.radius);\n      }\n\n      return style;\n    }\n  },\n  created: function created() {\n    var $Lazyload = this.$Lazyload;\n\n    if ($Lazyload) {\n      $Lazyload.$on('loaded', this.onLazyLoaded);\n      $Lazyload.$on('error', this.onLazyLoadError);\n    }\n  },\n  beforeDestroy: function beforeDestroy() {\n    var $Lazyload = this.$Lazyload;\n\n    if ($Lazyload) {\n      $Lazyload.$off('loaded', this.onLazyLoaded);\n      $Lazyload.$off('error', this.onLazyLoadError);\n    }\n  },\n  methods: {\n    onLoad: function onLoad(event) {\n      this.loading = false;\n      this.$emit('load', event);\n    },\n    onLazyLoaded: function onLazyLoaded(_ref) {\n      var el = _ref.el;\n\n      if (el === this.$refs.image && this.loading) {\n        this.onLoad();\n      }\n    },\n    onLazyLoadError: function onLazyLoadError(_ref2) {\n      var el = _ref2.el;\n\n      if (el === this.$refs.image && !this.error) {\n        this.onError();\n      }\n    },\n    onError: function onError(event) {\n      this.error = true;\n      this.loading = false;\n      this.$emit('error', event);\n    },\n    onClick: function onClick(event) {\n      this.$emit('click', event);\n    },\n    genPlaceholder: function genPlaceholder() {\n      var h = this.$createElement;\n\n      if (this.loading && this.showLoading) {\n        return h(\"div\", {\n          \"class\": bem('loading')\n        }, [this.slots('loading') || h(Icon, {\n          \"attrs\": {\n            \"name\": this.loadingIcon\n          },\n          \"class\": bem('loading-icon')\n        })]);\n      }\n\n      if (this.error && this.showError) {\n        return h(\"div\", {\n          \"class\": bem('error')\n        }, [this.slots('error') || h(Icon, {\n          \"attrs\": {\n            \"name\": this.errorIcon\n          },\n          \"class\": bem('error-icon')\n        })]);\n      }\n    },\n    genImage: function genImage() {\n      var h = this.$createElement;\n      var imgData = {\n        class: bem('img'),\n        attrs: {\n          alt: this.alt\n        },\n        style: {\n          objectFit: this.fit\n        }\n      };\n\n      if (this.error) {\n        return;\n      }\n\n      if (this.lazyLoad) {\n        return h(\"img\", _mergeJSXProps([{\n          \"ref\": \"image\",\n          \"directives\": [{\n            name: \"lazy\",\n            value: this.src\n          }]\n        }, imgData]));\n      }\n\n      return h(\"img\", _mergeJSXProps2([{\n        \"attrs\": {\n          \"src\": this.src\n        },\n        \"on\": {\n          \"load\": this.onLoad,\n          \"error\": this.onError\n        }\n      }, imgData]));\n    }\n  },\n  render: function render() {\n    var h = arguments[0];\n    return h(\"div\", {\n      \"class\": bem({\n        round: this.round\n      }),\n      \"style\": this.style,\n      \"on\": {\n        \"click\": this.onClick\n      }\n    }, [this.genImage(), this.genPlaceholder()]);\n  }\n});","/**\n * requestAnimationFrame polyfill\n */\nimport { isServer } from '..';\nvar prev = Date.now();\n/* istanbul ignore next */\n\nfunction fallback(fn) {\n  var curr = Date.now();\n  var ms = Math.max(0, 16 - (curr - prev));\n  var id = setTimeout(fn, ms);\n  prev = curr + ms;\n  return id;\n}\n/* istanbul ignore next */\n\n\nvar root = isServer ? global : window;\n/* istanbul ignore next */\n\nvar iRaf = root.requestAnimationFrame || fallback;\n/* istanbul ignore next */\n\nvar iCancel = root.cancelAnimationFrame || root.clearTimeout;\nexport function raf(fn) {\n  return iRaf.call(root, fn);\n} // double raf for animation\n\nexport function doubleRaf(fn) {\n  raf(function () {\n    raf(fn);\n  });\n}\nexport function cancelRaf(id) {\n  iCancel.call(root, id);\n}","import { raf, cancelRaf } from '../utils/dom/raf';\nimport { getScrollTop, setScrollTop } from '../utils/dom/scroll';\nvar scrollLeftRafId;\nexport function scrollLeftTo(scroller, to, duration) {\n  cancelRaf(scrollLeftRafId);\n  var count = 0;\n  var from = scroller.scrollLeft;\n  var frames = duration === 0 ? 1 : Math.round(duration * 1000 / 16);\n\n  function animate() {\n    scroller.scrollLeft += (to - from) / frames;\n\n    if (++count < frames) {\n      scrollLeftRafId = raf(animate);\n    }\n  }\n\n  animate();\n}\nexport function scrollTopTo(scroller, to, duration, callback) {\n  var current = getScrollTop(scroller);\n  var isDown = current < to;\n  var frames = duration === 0 ? 1 : Math.round(duration * 1000 / 16);\n  var step = (to - current) / frames;\n\n  function animate() {\n    current += step;\n\n    if (isDown && current > to || !isDown && current < to) {\n      current = to;\n    }\n\n    setScrollTop(scroller, current);\n\n    if (isDown && current < to || !isDown && current > to) {\n      raf(animate);\n    } else if (callback) {\n      raf(callback);\n    }\n  }\n\n  animate();\n}","import { createNamespace } from '../utils';\nimport Info from '../info';\n\nvar _createNamespace = createNamespace('tab'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1];\n\nexport default createComponent({\n  props: {\n    dot: Boolean,\n    type: String,\n    info: [Number, String],\n    color: String,\n    title: String,\n    isActive: Boolean,\n    ellipsis: Boolean,\n    disabled: Boolean,\n    scrollable: Boolean,\n    activeColor: String,\n    inactiveColor: String,\n    swipeThreshold: [Number, String]\n  },\n  computed: {\n    style: function style() {\n      var style = {};\n      var color = this.color,\n          isActive = this.isActive;\n      var isCard = this.type === 'card'; // card theme color\n\n      if (color && isCard) {\n        style.borderColor = color;\n\n        if (!this.disabled) {\n          if (isActive) {\n            style.backgroundColor = color;\n          } else {\n            style.color = color;\n          }\n        }\n      }\n\n      var titleColor = isActive ? this.activeColor : this.inactiveColor;\n\n      if (titleColor) {\n        style.color = titleColor;\n      }\n\n      if (this.scrollable && this.ellipsis) {\n        style.flexBasis = 88 / this.swipeThreshold + \"%\";\n      }\n\n      return style;\n    }\n  },\n  methods: {\n    onClick: function onClick() {\n      this.$emit('click');\n    }\n  },\n  render: function render() {\n    var h = arguments[0];\n    return h(\"div\", {\n      \"attrs\": {\n        \"role\": \"tab\",\n        \"aria-selected\": this.isActive\n      },\n      \"class\": [bem({\n        active: this.isActive,\n        disabled: this.disabled,\n        complete: !this.ellipsis\n      }), {\n        'van-ellipsis': this.ellipsis\n      }],\n      \"style\": this.style,\n      \"on\": {\n        \"click\": this.onClick\n      }\n    }, [h(\"span\", {\n      \"class\": bem('text')\n    }, [this.slots() || this.title, h(Info, {\n      \"attrs\": {\n        \"dot\": this.dot,\n        \"info\": this.info\n      }\n    })])]);\n  }\n});","import _extends from \"@babel/runtime/helpers/esm/extends\";\nimport { createNamespace } from '../utils';\nimport { TouchMixin } from '../mixins/touch';\n\nvar _createNamespace = createNamespace('tabs'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1];\n\nvar MIN_SWIPE_DISTANCE = 50;\nexport default createComponent({\n  mixins: [TouchMixin],\n  props: {\n    count: Number,\n    duration: [Number, String],\n    animated: Boolean,\n    swipeable: Boolean,\n    currentIndex: Number\n  },\n  computed: {\n    style: function style() {\n      if (this.animated) {\n        return {\n          transform: \"translate3d(\" + -1 * this.currentIndex * 100 + \"%, 0, 0)\",\n          transitionDuration: this.duration + \"s\"\n        };\n      }\n    },\n    listeners: function listeners() {\n      if (this.swipeable) {\n        return {\n          touchstart: this.touchStart,\n          touchmove: this.touchMove,\n          touchend: this.onTouchEnd,\n          touchcancel: this.onTouchEnd\n        };\n      }\n    }\n  },\n  methods: {\n    // watch swipe touch end\n    onTouchEnd: function onTouchEnd() {\n      var direction = this.direction,\n          deltaX = this.deltaX,\n          currentIndex = this.currentIndex;\n      /* istanbul ignore else */\n\n      if (direction === 'horizontal' && this.offsetX >= MIN_SWIPE_DISTANCE) {\n        /* istanbul ignore else */\n        if (deltaX > 0 && currentIndex !== 0) {\n          this.$emit('change', currentIndex - 1);\n        } else if (deltaX < 0 && currentIndex !== this.count - 1) {\n          this.$emit('change', currentIndex + 1);\n        }\n      }\n    },\n    genChildren: function genChildren() {\n      var h = this.$createElement;\n\n      if (this.animated) {\n        return h(\"div\", {\n          \"class\": bem('track'),\n          \"style\": this.style\n        }, [this.slots()]);\n      }\n\n      return this.slots();\n    }\n  },\n  render: function render() {\n    var h = arguments[0];\n    return h(\"div\", {\n      \"class\": bem('content', {\n        animated: this.animated\n      }),\n      \"on\": _extends({}, this.listeners)\n    }, [this.genChildren()]);\n  }\n});","// Utils\nimport { createNamespace, isDef, addUnit } from '../utils';\nimport { scrollLeftTo, scrollTopTo } from './utils';\nimport { route } from '../utils/router';\nimport { isHidden } from '../utils/dom/style';\nimport { on, off } from '../utils/dom/event';\nimport { BORDER_TOP_BOTTOM } from '../utils/constant';\nimport { getScroller, getVisibleTop, getElementTop, getVisibleHeight, setRootScrollTop } from '../utils/dom/scroll'; // Mixins\n\nimport { ParentMixin } from '../mixins/relation';\nimport { BindEventMixin } from '../mixins/bind-event'; // Components\n\nimport Title from './Title';\nimport Sticky from '../sticky';\nimport Content from './Content';\n\nvar _createNamespace = createNamespace('tabs'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1];\n\nexport default createComponent({\n  mixins: [ParentMixin('vanTabs'), BindEventMixin(function (bind) {\n    if (!this.scroller) {\n      this.scroller = getScroller(this.$el);\n    }\n\n    bind(window, 'resize', this.resize, true);\n\n    if (this.scrollspy) {\n      bind(this.scroller, 'scroll', this.onScroll, true);\n    }\n  })],\n  model: {\n    prop: 'active'\n  },\n  props: {\n    color: String,\n    sticky: Boolean,\n    animated: Boolean,\n    swipeable: Boolean,\n    scrollspy: Boolean,\n    background: String,\n    lineWidth: [Number, String],\n    lineHeight: [Number, String],\n    titleActiveColor: String,\n    titleInactiveColor: String,\n    type: {\n      type: String,\n      default: 'line'\n    },\n    active: {\n      type: [Number, String],\n      default: 0\n    },\n    border: {\n      type: Boolean,\n      default: true\n    },\n    ellipsis: {\n      type: Boolean,\n      default: true\n    },\n    duration: {\n      type: [Number, String],\n      default: 0.3\n    },\n    offsetTop: {\n      type: [Number, String],\n      default: 0\n    },\n    lazyRender: {\n      type: Boolean,\n      default: true\n    },\n    swipeThreshold: {\n      type: [Number, String],\n      default: 4\n    }\n  },\n  data: function data() {\n    return {\n      position: '',\n      currentIndex: null,\n      lineStyle: {\n        backgroundColor: this.color\n      }\n    };\n  },\n  computed: {\n    // whether the nav is scrollable\n    scrollable: function scrollable() {\n      return this.children.length > this.swipeThreshold || !this.ellipsis;\n    },\n    navStyle: function navStyle() {\n      return {\n        borderColor: this.color,\n        background: this.background\n      };\n    },\n    currentName: function currentName() {\n      var activeTab = this.children[this.currentIndex];\n\n      if (activeTab) {\n        return activeTab.computedName;\n      }\n    },\n    scrollOffset: function scrollOffset() {\n      if (this.sticky) {\n        return +this.offsetTop + this.tabHeight;\n      }\n\n      return 0;\n    }\n  },\n  watch: {\n    color: 'setLine',\n    active: function active(name) {\n      if (name !== this.currentName) {\n        this.setCurrentIndexByName(name);\n      }\n    },\n    children: function children() {\n      var _this = this;\n\n      this.setCurrentIndexByName(this.currentName || this.active);\n      this.setLine();\n      this.$nextTick(function () {\n        _this.scrollIntoView(true);\n      });\n    },\n    currentIndex: function currentIndex() {\n      this.scrollIntoView();\n      this.setLine(); // scroll to correct position\n\n      if (this.stickyFixed && !this.scrollspy) {\n        setRootScrollTop(Math.ceil(getElementTop(this.$el) - this.offsetTop));\n      }\n    },\n    scrollspy: function scrollspy(val) {\n      if (val) {\n        on(this.scroller, 'scroll', this.onScroll, true);\n      } else {\n        off(this.scroller, 'scroll', this.onScroll);\n      }\n    }\n  },\n  mounted: function mounted() {\n    this.onShow();\n  },\n  activated: function activated() {\n    this.onShow();\n    this.setLine();\n  },\n  methods: {\n    // @exposed-api\n    resize: function resize() {\n      this.setLine();\n    },\n    onShow: function onShow() {\n      var _this2 = this;\n\n      this.$nextTick(function () {\n        _this2.inited = true;\n        _this2.tabHeight = getVisibleHeight(_this2.$refs.wrap);\n\n        _this2.scrollIntoView(true);\n      });\n    },\n    // update nav bar style\n    setLine: function setLine() {\n      var _this3 = this;\n\n      var shouldAnimate = this.inited;\n      this.$nextTick(function () {\n        var titles = _this3.$refs.titles;\n\n        if (!titles || !titles[_this3.currentIndex] || _this3.type !== 'line' || isHidden(_this3.$el)) {\n          return;\n        }\n\n        var title = titles[_this3.currentIndex].$el;\n        var lineWidth = _this3.lineWidth,\n            lineHeight = _this3.lineHeight;\n        var width = isDef(lineWidth) ? lineWidth : title.offsetWidth / 2;\n        var left = title.offsetLeft + title.offsetWidth / 2;\n        var lineStyle = {\n          width: addUnit(width),\n          backgroundColor: _this3.color,\n          transform: \"translateX(\" + left + \"px) translateX(-50%)\"\n        };\n\n        if (shouldAnimate) {\n          lineStyle.transitionDuration = _this3.duration + \"s\";\n        }\n\n        if (isDef(lineHeight)) {\n          var height = addUnit(lineHeight);\n          lineStyle.height = height;\n          lineStyle.borderRadius = height;\n        }\n\n        _this3.lineStyle = lineStyle;\n      });\n    },\n    // correct the index of active tab\n    setCurrentIndexByName: function setCurrentIndexByName(name) {\n      var matched = this.children.filter(function (tab) {\n        return tab.computedName === name;\n      });\n      var defaultIndex = (this.children[0] || {}).index || 0;\n      this.setCurrentIndex(matched.length ? matched[0].index : defaultIndex);\n    },\n    setCurrentIndex: function setCurrentIndex(currentIndex) {\n      currentIndex = this.findAvailableTab(currentIndex);\n\n      if (isDef(currentIndex) && currentIndex !== this.currentIndex) {\n        var shouldEmitChange = this.currentIndex !== null;\n        this.currentIndex = currentIndex;\n        this.$emit('input', this.currentName);\n\n        if (shouldEmitChange) {\n          this.$emit('change', this.currentName, this.children[currentIndex].title);\n        }\n      }\n    },\n    findAvailableTab: function findAvailableTab(index) {\n      var diff = index < this.currentIndex ? -1 : 1;\n\n      while (index >= 0 && index < this.children.length) {\n        if (!this.children[index].disabled) {\n          return index;\n        }\n\n        index += diff;\n      }\n    },\n    // emit event when clicked\n    onClick: function onClick(index) {\n      var _this$children$index = this.children[index],\n          title = _this$children$index.title,\n          disabled = _this$children$index.disabled,\n          computedName = _this$children$index.computedName;\n\n      if (disabled) {\n        this.$emit('disabled', computedName, title);\n      } else {\n        this.setCurrentIndex(index);\n        this.scrollToCurrentContent();\n        this.$emit('click', computedName, title);\n      }\n    },\n    // scroll active tab into view\n    scrollIntoView: function scrollIntoView(immediate) {\n      var titles = this.$refs.titles;\n\n      if (!this.scrollable || !titles || !titles[this.currentIndex]) {\n        return;\n      }\n\n      var nav = this.$refs.nav;\n      var title = titles[this.currentIndex].$el;\n      var to = title.offsetLeft - (nav.offsetWidth - title.offsetWidth) / 2;\n      scrollLeftTo(nav, to, immediate ? 0 : +this.duration);\n    },\n    onSticktScroll: function onSticktScroll(params) {\n      this.stickyFixed = params.isFixed;\n      this.$emit('scroll', params);\n    },\n    scrollToCurrentContent: function scrollToCurrentContent() {\n      var _this4 = this;\n\n      if (this.scrollspy) {\n        var target = this.children[this.currentIndex];\n        var el = target == null ? void 0 : target.$el;\n\n        if (el) {\n          var to = getElementTop(el, this.scroller) - this.scrollOffset;\n          this.lockScroll = true;\n          scrollTopTo(this.scroller, to, +this.duration, function () {\n            _this4.lockScroll = false;\n          });\n        }\n      }\n    },\n    onScroll: function onScroll() {\n      if (this.scrollspy && !this.lockScroll) {\n        var index = this.getCurrentIndexOnScroll();\n        this.setCurrentIndex(index);\n      }\n    },\n    getCurrentIndexOnScroll: function getCurrentIndexOnScroll() {\n      var children = this.children;\n\n      for (var index = 0; index < children.length; index++) {\n        var top = getVisibleTop(children[index].$el);\n\n        if (top > this.scrollOffset) {\n          return index === 0 ? 0 : index - 1;\n        }\n      }\n\n      return children.length - 1;\n    }\n  },\n  render: function render() {\n    var _this5 = this,\n        _ref;\n\n    var h = arguments[0];\n    var type = this.type,\n        ellipsis = this.ellipsis,\n        animated = this.animated,\n        scrollable = this.scrollable;\n    var Nav = this.children.map(function (item, index) {\n      return h(Title, {\n        \"ref\": \"titles\",\n        \"refInFor\": true,\n        \"attrs\": {\n          \"type\": type,\n          \"dot\": item.dot,\n          \"info\": item.info,\n          \"title\": item.title,\n          \"color\": _this5.color,\n          \"isActive\": index === _this5.currentIndex,\n          \"ellipsis\": ellipsis,\n          \"disabled\": item.disabled,\n          \"scrollable\": scrollable,\n          \"activeColor\": _this5.titleActiveColor,\n          \"inactiveColor\": _this5.titleInactiveColor,\n          \"swipeThreshold\": _this5.swipeThreshold\n        },\n        \"style\": item.titleStyle,\n        \"scopedSlots\": {\n          default: function _default() {\n            return item.slots('title');\n          }\n        },\n        \"on\": {\n          \"click\": function click() {\n            _this5.onClick(index);\n\n            route(item.$router, item);\n          }\n        }\n      });\n    });\n    var Wrap = h(\"div\", {\n      \"ref\": \"wrap\",\n      \"class\": [bem('wrap', {\n        scrollable: scrollable\n      }), (_ref = {}, _ref[BORDER_TOP_BOTTOM] = type === 'line' && this.border, _ref)]\n    }, [h(\"div\", {\n      \"ref\": \"nav\",\n      \"attrs\": {\n        \"role\": \"tablist\"\n      },\n      \"class\": bem('nav', [type]),\n      \"style\": this.navStyle\n    }, [this.slots('nav-left'), Nav, type === 'line' && h(\"div\", {\n      \"class\": bem('line'),\n      \"style\": this.lineStyle\n    }), this.slots('nav-right')])]);\n    return h(\"div\", {\n      \"class\": bem([type])\n    }, [this.sticky ? h(Sticky, {\n      \"attrs\": {\n        \"container\": this.$el,\n        \"offsetTop\": this.offsetTop\n      },\n      \"on\": {\n        \"scroll\": this.onSticktScroll\n      }\n    }, [Wrap]) : Wrap, h(Content, {\n      \"attrs\": {\n        \"count\": this.children.length,\n        \"animated\": animated,\n        \"duration\": this.duration,\n        \"swipeable\": this.swipeable,\n        \"currentIndex\": this.currentIndex\n      },\n      \"on\": {\n        \"change\": this.setCurrentIndex\n      }\n    }, [this.slots()])]);\n  }\n});","import Vue from 'vue';\n\nfunction flattenVNodes(vnodes) {\n  var result = [];\n\n  function traverse(vnodes) {\n    vnodes.forEach(function (vnode) {\n      result.push(vnode);\n\n      if (vnode.children) {\n        traverse(vnode.children);\n      }\n    });\n  }\n\n  traverse(vnodes);\n  return result;\n}\n\nexport function ChildrenMixin(_parent, options) {\n  var _inject, _computed;\n\n  if (options === void 0) {\n    options = {};\n  }\n\n  var indexKey = options.indexKey || 'index';\n  return Vue.extend({\n    inject: (_inject = {}, _inject[_parent] = {\n      default: null\n    }, _inject),\n    computed: (_computed = {\n      parent: function parent() {\n        if (this.disableBindRelation) {\n          return null;\n        }\n\n        return this[_parent];\n      }\n    }, _computed[indexKey] = function () {\n      this.bindRelation();\n      return this.parent.children.indexOf(this);\n    }, _computed),\n    mounted: function mounted() {\n      this.bindRelation();\n    },\n    beforeDestroy: function beforeDestroy() {\n      var _this = this;\n\n      if (this.parent) {\n        this.parent.children = this.parent.children.filter(function (item) {\n          return item !== _this;\n        });\n      }\n    },\n    methods: {\n      bindRelation: function bindRelation() {\n        if (!this.parent || this.parent.children.indexOf(this) !== -1) {\n          return;\n        }\n\n        var children = [].concat(this.parent.children, [this]);\n        var vnodes = flattenVNodes(this.parent.slots());\n        children.sort(function (a, b) {\n          return vnodes.indexOf(a.$vnode) - vnodes.indexOf(b.$vnode);\n        });\n        this.parent.children = children;\n      }\n    }\n  });\n}\nexport function ParentMixin(parent) {\n  return {\n    provide: function provide() {\n      var _ref;\n\n      return _ref = {}, _ref[parent] = this, _ref;\n    },\n    data: function data() {\n      return {\n        children: []\n      };\n    }\n  };\n}","import '../../style/base.css';\nimport '../../info/index.css';\nimport '../../sticky/index.css';\nimport '../index.css';","import '../../style/base.css';\nimport '../index.css';"],"sourceRoot":""}