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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 { 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    name: [Number, String],\n    // @deprecated\n    info: [Number, String],\n    badge: [Number, String],\n    title: String,\n    titleStyle: null,\n    titleClass: null,\n    disabled: Boolean\n  }),\n  data: function data() {\n    return {\n      inited: false\n    };\n  },\n  computed: {\n    computedName: function computedName() {\n      var _this$name;\n\n      return (_this$name = this.name) != null ? _this$name : this.index;\n    },\n    isActive: function isActive() {\n      var active = this.computedName === this.parent.currentName;\n\n      if (active) {\n        this.inited = true;\n      }\n\n      return active;\n    }\n  },\n  watch: {\n    title: function title() {\n      this.parent.setLine();\n      this.parent.scrollIntoView();\n    },\n    inited: function inited(val) {\n      var _this = this;\n\n      if (this.parent.lazyRender && val) {\n        this.$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 slotContent = slots();\n\n    if (process.env.NODE_ENV === 'development' && this.info) {\n      console.warn('[Vant] Tab: \"info\" prop is deprecated, use \"badge\" prop instead.');\n    }\n\n    if (!slotContent && !parent.animated) {\n      return;\n    }\n\n    var show = parent.scrollspy || isActive;\n    var shouldRender = this.inited || parent.scrollspy || !parent.lazyRender;\n    var Content = shouldRender ? slotContent : 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});","/**\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}","/**\n * Vue Router support\n */\nfunction isRedundantNavigation(err) {\n  return err.name === 'NavigationDuplicated' || // compatible with vue-router@3.3\n  err.message && err.message.indexOf('redundant navigation') !== -1;\n}\n\nexport function route(router, config) {\n  var to = config.to,\n      url = config.url,\n      replace = config.replace;\n\n  if (to && router) {\n    var promise = router[replace ? 'replace' : 'push'](to);\n    /* istanbul ignore else */\n\n    if (promise && promise.catch) {\n      promise.catch(function (err) {\n        if (err && !isRedundantNavigation(err)) {\n          throw err;\n        }\n      });\n    }\n  } else if (url) {\n    replace ? location.replace(url) : location.href = url;\n  }\n}\nexport function functionalRoute(context) {\n  route(context.parent && context.parent.$router, context.props);\n}\nexport var routeProps = {\n  url: String,\n  replace: Boolean,\n  to: [String, Object]\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 { isPromise, noop } from '.';\nexport function callInterceptor(options) {\n  var interceptor = options.interceptor,\n      args = options.args,\n      done = options.done;\n\n  if (interceptor) {\n    var returnVal = interceptor.apply(void 0, args);\n\n    if (isPromise(returnVal)) {\n      returnVal.then(function (value) {\n        if (value) {\n          done();\n        }\n      }).catch(noop);\n    } else if (returnVal) {\n      done();\n    }\n  } else {\n    done();\n  }\n}","import { createNamespace, isDef } 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    disabled: Boolean,\n    scrollable: Boolean,\n    activeColor: String,\n    inactiveColor: 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      return style;\n    }\n  },\n  methods: {\n    onClick: function onClick() {\n      this.$emit('click');\n    },\n    genText: function genText() {\n      var h = this.$createElement;\n      var Text = h(\"span\", {\n        \"class\": bem('text', {\n          ellipsis: !this.scrollable\n        })\n      }, [this.slots() || this.title]);\n\n      if (this.dot || isDef(this.info) && this.info !== '') {\n        return h(\"span\", {\n          \"class\": bem('text-wrapper')\n        }, [Text, h(Info, {\n          \"attrs\": {\n            \"dot\": this.dot,\n            \"info\": this.info\n          }\n        })]);\n      }\n\n      return Text;\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      })],\n      \"style\": this.style,\n      \"on\": {\n        \"click\": this.onClick\n      }\n    }, [this.genText()]);\n  }\n});","import { isHidden } from '../utils/dom/style';\nimport { unitToPx } from '../utils/format/unit';\nimport { createNamespace, isDef, isServer } 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, isBind) {\n    if (!this.scroller) {\n      this.scroller = getScroller(this.$el);\n    }\n\n    if (this.observer) {\n      var method = isBind ? 'observe' : 'unobserve';\n      this.observer[method](this.$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    offsetTopPx: function offsetTopPx() {\n      return unitToPx(this.offsetTop);\n    },\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.offsetTopPx && this.fixed) {\n        style.top = this.offsetTopPx + \"px\";\n      }\n\n      if (this.transform) {\n        style.transform = \"translate3d(0, \" + this.transform + \"px, 0)\";\n      }\n\n      return style;\n    }\n  },\n  watch: {\n    fixed: function fixed(isFixed) {\n      this.$emit('change', isFixed);\n    }\n  },\n  created: function created() {\n    var _this = this;\n\n    // compatibility: https://caniuse.com/#feat=intersectionobserver\n    if (!isServer && window.IntersectionObserver) {\n      this.observer = new IntersectionObserver(function (entries) {\n        // trigger scroll when visibility changed\n        if (entries[0].intersectionRatio > 0) {\n          _this.onScroll();\n        }\n      }, {\n        root: document.body\n      });\n    }\n  },\n  methods: {\n    onScroll: function onScroll() {\n      var _this2 = this;\n\n      if (isHidden(this.$el)) {\n        return;\n      }\n\n      this.height = this.$el.offsetHeight;\n      var container = this.container,\n          offsetTopPx = this.offsetTopPx;\n      var scrollTop = getScrollTop(window);\n      var topToPageTop = getElementTop(this.$el);\n\n      var emitScrollEvent = function emitScrollEvent() {\n        _this2.$emit('scroll', {\n          scrollTop: scrollTop,\n          isFixed: _this2.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 + offsetTopPx + this.height > bottomToPageTop) {\n          var distanceToBottom = this.height + scrollTop - bottomToPageTop;\n\n          if (distanceToBottom < this.height) {\n            this.fixed = true;\n            this.transform = -(distanceToBottom + offsetTopPx);\n          } else {\n            this.fixed = false;\n          }\n\n          emitScrollEvent();\n          return;\n        }\n      }\n\n      if (scrollTop + offsetTopPx > 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 _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 { unitToPx } from '../utils/format/unit';\nimport { BORDER_TOP_BOTTOM } from '../utils/constant';\nimport { callInterceptor } from '../utils/interceptor';\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    border: Boolean,\n    sticky: Boolean,\n    animated: Boolean,\n    swipeable: Boolean,\n    scrollspy: Boolean,\n    background: String,\n    lineWidth: [Number, String],\n    lineHeight: [Number, String],\n    beforeChange: Function,\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    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: 5\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    offsetTopPx: function offsetTopPx() {\n      return unitToPx(this.offsetTop);\n    },\n    scrollOffset: function scrollOffset() {\n      if (this.sticky) {\n        return this.offsetTopPx + 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.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.$el) - this.offsetTopPx));\n      }\n    },\n    scrollspy: function scrollspy(val) {\n      if (val) {\n        on(this.scroller, 'scroll', this.onScroll, true);\n      } else {\n        off(this.scroller, 'scroll', this.onScroll);\n      }\n    }\n  },\n  mounted: function mounted() {\n    this.init();\n  },\n  activated: function activated() {\n    this.init();\n    this.setLine();\n  },\n  methods: {\n    // @exposed-api\n    resize: function resize() {\n      this.setLine();\n    },\n    init: function init() {\n      var _this2 = this;\n\n      this.$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].$el;\n        var lineWidth = _this3.lineWidth,\n            lineHeight = _this3.lineHeight;\n        var left = title.offsetLeft + title.offsetWidth / 2;\n        var lineStyle = {\n          width: addUnit(lineWidth),\n          backgroundColor: _this3.color,\n          transform: \"translateX(\" + left + \"px) translateX(-50%)\"\n        };\n\n        if (shouldAnimate) {\n          lineStyle.transitionDuration = _this3.duration + \"s\";\n        }\n\n        if (isDef(lineHeight)) {\n          var height = addUnit(lineHeight);\n          lineStyle.height = height;\n          lineStyle.borderRadius = height;\n        }\n\n        _this3.lineStyle = lineStyle;\n      });\n    },\n    // correct the index of active tab\n    setCurrentIndexByName: function setCurrentIndexByName(name) {\n      var matched = this.children.filter(function (tab) {\n        return tab.computedName === name;\n      });\n      var defaultIndex = (this.children[0] || {}).index || 0;\n      this.setCurrentIndex(matched.length ? matched[0].index : defaultIndex);\n    },\n    setCurrentIndex: function setCurrentIndex(currentIndex) {\n      var newIndex = this.findAvailableTab(currentIndex);\n\n      if (!isDef(newIndex)) {\n        return;\n      }\n\n      var newTab = this.children[newIndex];\n      var newName = newTab.computedName;\n      var shouldEmitChange = this.currentIndex !== null;\n      this.currentIndex = newIndex;\n\n      if (newName !== this.active) {\n        this.$emit('input', newName);\n\n        if (shouldEmitChange) {\n          this.$emit('change', newName, newTab.title);\n        }\n      }\n    },\n    findAvailableTab: function findAvailableTab(index) {\n      var diff = index < this.currentIndex ? -1 : 1;\n\n      while (index >= 0 && index < this.children.length) {\n        if (!this.children[index].disabled) {\n          return index;\n        }\n\n        index += diff;\n      }\n    },\n    // emit event when clicked\n    onClick: function onClick(item, index) {\n      var _this4 = this;\n\n      var _this$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        callInterceptor({\n          interceptor: this.beforeChange,\n          args: [computedName],\n          done: function done() {\n            _this4.setCurrentIndex(index);\n\n            _this4.scrollToCurrentContent();\n          }\n        });\n        this.$emit('click', computedName, title);\n        route(item.$router, item);\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    // @exposed-api\n    scrollTo: function scrollTo(name) {\n      var _this5 = this;\n\n      this.$nextTick(function () {\n        _this5.setCurrentIndexByName(name);\n\n        _this5.scrollToCurrentContent(true);\n      });\n    },\n    scrollToCurrentContent: function scrollToCurrentContent(immediate) {\n      var _this6 = this;\n\n      if (immediate === void 0) {\n        immediate = false;\n      }\n\n      if (this.scrollspy) {\n        var target = this.children[this.currentIndex];\n        var el = target == null ? void 0 : target.$el;\n\n        if (el) {\n          var to = getElementTop(el, this.scroller) - this.scrollOffset;\n          this.lockScroll = true;\n          scrollTopTo(this.scroller, to, immediate ? 0 : +this.duration, function () {\n            _this6.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].$el);\n\n        if (top > this.scrollOffset) {\n          return index === 0 ? 0 : index - 1;\n        }\n      }\n\n      return children.length - 1;\n    }\n  },\n  render: function render() {\n    var _this7 = this,\n        _ref;\n\n    var h = arguments[0];\n    var type = this.type,\n        animated = this.animated,\n        scrollable = this.scrollable;\n    var Nav = this.children.map(function (item, index) {\n      var _item$badge;\n\n      return h(Title, {\n        \"ref\": \"titles\",\n        \"refInFor\": true,\n        \"attrs\": {\n          \"type\": type,\n          \"dot\": item.dot,\n          \"info\": (_item$badge = item.badge) != null ? _item$badge : item.info,\n          \"title\": item.title,\n          \"color\": _this7.color,\n          \"isActive\": index === _this7.currentIndex,\n          \"disabled\": item.disabled,\n          \"scrollable\": scrollable,\n          \"activeColor\": _this7.titleActiveColor,\n          \"inactiveColor\": _this7.titleInactiveColor\n        },\n        \"style\": item.titleStyle,\n        \"class\": item.titleClass,\n        \"scopedSlots\": {\n          default: function _default() {\n            return item.slots('title');\n          }\n        },\n        \"on\": {\n          \"click\": function click() {\n            _this7.onClick(item, index);\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        complete: this.scrollable\n      }]),\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 { sortChildren } from '../utils/vnodes';\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 {\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\n      if (this.parent) {\n        return this.parent.children.indexOf(this);\n      }\n\n      return null;\n    }, _computed),\n    watch: {\n      disableBindRelation: function disableBindRelation(val) {\n        if (!val) {\n          this.bindRelation();\n        }\n      }\n    },\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        sortChildren(children, this.parent);\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}","// color\nexport var RED = '#ee0a24'; // border\n\nexport var BORDER = 'van-hairline';\nexport var BORDER_TOP = BORDER + \"--top\";\nexport var BORDER_LEFT = BORDER + \"--left\";\nexport var BORDER_BOTTOM = BORDER + \"--bottom\";\nexport var BORDER_SURROUND = BORDER + \"--surround\";\nexport var BORDER_TOP_BOTTOM = BORDER + \"--top-bottom\";\nexport var BORDER_UNSET_TOP_BOTTOM = BORDER + \"-unset--top-bottom\";","import '../../style/base.css';\nimport '../../info/index.css';\nimport '../../sticky/index.css';\nimport '../index.css';","import '../../style/base.css';\nimport '../index.css';","function flattenVNodes(vnodes) {\n  var result = [];\n\n  function traverse(vnodes) {\n    vnodes.forEach(function (vnode) {\n      result.push(vnode);\n\n      if (vnode.componentInstance) {\n        traverse(vnode.componentInstance.$children.map(function (item) {\n          return item.$vnode;\n        }));\n      }\n\n      if (vnode.children) {\n        traverse(vnode.children);\n      }\n    });\n  }\n\n  traverse(vnodes);\n  return result;\n} // sort children instances by vnodes order\n\n\nexport function sortChildren(children, parent) {\n  var componentOptions = parent.$vnode.componentOptions;\n\n  if (!componentOptions || !componentOptions.children) {\n    return;\n  }\n\n  var vnodes = flattenVNodes(componentOptions.children);\n  children.sort(function (a, b) {\n    return vnodes.indexOf(a.$vnode) - vnodes.indexOf(b.$vnode);\n  });\n}"],"sourceRoot":""}