{"ast":null,"code":"// Utils\nimport { createNamespace } from '../utils';\nimport { isHidden } from '../utils/dom/style';\nimport { getScroller } from '../utils/dom/scroll'; // Mixins\n\nimport { BindEventMixin } from '../mixins/bind-event'; // Components\n\nimport Loading from '../loading';\nvar _createNamespace = createNamespace('list'),\n  createComponent = _createNamespace[0],\n  bem = _createNamespace[1],\n  t = _createNamespace[2];\nexport default createComponent({\n  mixins: [BindEventMixin(function (bind) {\n    if (!this.scroller) {\n      this.scroller = getScroller(this.$el);\n    }\n    bind(this.scroller, 'scroll', this.check);\n  })],\n  model: {\n    prop: 'loading'\n  },\n  props: {\n    error: Boolean,\n    loading: Boolean,\n    finished: Boolean,\n    errorText: String,\n    loadingText: String,\n    finishedText: String,\n    immediateCheck: {\n      type: Boolean,\n      default: true\n    },\n    offset: {\n      type: [Number, String],\n      default: 300\n    },\n    direction: {\n      type: String,\n      default: 'down'\n    }\n  },\n  data: function data() {\n    return {\n      // use sync innerLoading state to avoid repeated loading in some edge cases\n      innerLoading: this.loading\n    };\n  },\n  updated: function updated() {\n    this.innerLoading = this.loading;\n  },\n  mounted: function mounted() {\n    if (this.immediateCheck) {\n      this.check();\n    }\n  },\n  watch: {\n    loading: 'check',\n    finished: 'check'\n  },\n  methods: {\n    // @exposed-api\n    check: function check() {\n      var _this = this;\n      this.$nextTick(function () {\n        if (_this.innerLoading || _this.finished || _this.error) {\n          return;\n        }\n        var el = _this.$el,\n          scroller = _this.scroller,\n          offset = _this.offset,\n          direction = _this.direction;\n        var scrollerRect;\n        if (scroller.getBoundingClientRect) {\n          scrollerRect = scroller.getBoundingClientRect();\n        } else {\n          scrollerRect = {\n            top: 0,\n            bottom: scroller.innerHeight\n          };\n        }\n        var scrollerHeight = scrollerRect.bottom - scrollerRect.top;\n        /* istanbul ignore next */\n\n        if (!scrollerHeight || isHidden(el)) {\n          return false;\n        }\n        var isReachEdge = false;\n        var placeholderRect = _this.$refs.placeholder.getBoundingClientRect();\n        if (direction === 'up') {\n          isReachEdge = scrollerRect.top - placeholderRect.top <= offset;\n        } else {\n          isReachEdge = placeholderRect.bottom - scrollerRect.bottom <= offset;\n        }\n        if (isReachEdge) {\n          _this.innerLoading = true;\n          _this.$emit('input', true);\n          _this.$emit('load');\n        }\n      });\n    },\n    clickErrorText: function clickErrorText() {\n      this.$emit('update:error', false);\n      this.check();\n    },\n    genLoading: function genLoading() {\n      var h = this.$createElement;\n      if (this.innerLoading && !this.finished) {\n        return h(\"div\", {\n          \"key\": \"loading\",\n          \"class\": bem('loading')\n        }, [this.slots('loading') || h(Loading, {\n          \"attrs\": {\n            \"size\": \"16\"\n          }\n        }, [this.loadingText || t('loading')])]);\n      }\n    },\n    genFinishedText: function genFinishedText() {\n      var h = this.$createElement;\n      if (this.finished) {\n        var text = this.slots('finished') || this.finishedText;\n        if (text) {\n          return h(\"div\", {\n            \"class\": bem('finished-text')\n          }, [text]);\n        }\n      }\n    },\n    genErrorText: function genErrorText() {\n      var h = this.$createElement;\n      if (this.error) {\n        var text = this.slots('error') || this.errorText;\n        if (text) {\n          return h(\"div\", {\n            \"on\": {\n              \"click\": this.clickErrorText\n            },\n            \"class\": bem('error-text')\n          }, [text]);\n        }\n      }\n    }\n  },\n  render: function render() {\n    var h = arguments[0];\n    var Placeholder = h(\"div\", {\n      \"ref\": \"placeholder\",\n      \"key\": \"placeholder\",\n      \"class\": bem('placeholder')\n    });\n    return h(\"div\", {\n      \"class\": bem(),\n      \"attrs\": {\n        \"role\": \"feed\",\n        \"aria-busy\": this.innerLoading\n      }\n    }, [this.direction === 'down' ? this.slots() : Placeholder, this.genLoading(), this.genFinishedText(), this.genErrorText(), this.direction === 'up' ? this.slots() : Placeholder]);\n  }\n});","map":{"version":3,"names":["createNamespace","isHidden","getScroller","BindEventMixin","Loading","_createNamespace","createComponent","bem","t","mixins","bind","scroller","$el","check","model","prop","props","error","Boolean","loading","finished","errorText","String","loadingText","finishedText","immediateCheck","type","default","offset","Number","direction","data","innerLoading","updated","mounted","watch","methods","_this","$nextTick","el","scrollerRect","getBoundingClientRect","top","bottom","innerHeight","scrollerHeight","isReachEdge","placeholderRect","$refs","placeholder","$emit","clickErrorText","genLoading","h","$createElement","slots","genFinishedText","text","genErrorText","render","arguments","Placeholder"],"sources":["C:/Users/zhouxueli/Desktop/scheduling-app/node_modules/vant/es/list/index.js"],"sourcesContent":["// Utils\nimport { createNamespace } from '../utils';\nimport { isHidden } from '../utils/dom/style';\nimport { getScroller } from '../utils/dom/scroll'; // Mixins\n\nimport { BindEventMixin } from '../mixins/bind-event'; // Components\n\nimport Loading from '../loading';\n\nvar _createNamespace = createNamespace('list'),\n    createComponent = _createNamespace[0],\n    bem = _createNamespace[1],\n    t = _createNamespace[2];\n\nexport default createComponent({\n  mixins: [BindEventMixin(function (bind) {\n    if (!this.scroller) {\n      this.scroller = getScroller(this.$el);\n    }\n\n    bind(this.scroller, 'scroll', this.check);\n  })],\n  model: {\n    prop: 'loading'\n  },\n  props: {\n    error: Boolean,\n    loading: Boolean,\n    finished: Boolean,\n    errorText: String,\n    loadingText: String,\n    finishedText: String,\n    immediateCheck: {\n      type: Boolean,\n      default: true\n    },\n    offset: {\n      type: [Number, String],\n      default: 300\n    },\n    direction: {\n      type: String,\n      default: 'down'\n    }\n  },\n  data: function data() {\n    return {\n      // use sync innerLoading state to avoid repeated loading in some edge cases\n      innerLoading: this.loading\n    };\n  },\n  updated: function updated() {\n    this.innerLoading = this.loading;\n  },\n  mounted: function mounted() {\n    if (this.immediateCheck) {\n      this.check();\n    }\n  },\n  watch: {\n    loading: 'check',\n    finished: 'check'\n  },\n  methods: {\n    // @exposed-api\n    check: function check() {\n      var _this = this;\n\n      this.$nextTick(function () {\n        if (_this.innerLoading || _this.finished || _this.error) {\n          return;\n        }\n\n        var el = _this.$el,\n            scroller = _this.scroller,\n            offset = _this.offset,\n            direction = _this.direction;\n        var scrollerRect;\n\n        if (scroller.getBoundingClientRect) {\n          scrollerRect = scroller.getBoundingClientRect();\n        } else {\n          scrollerRect = {\n            top: 0,\n            bottom: scroller.innerHeight\n          };\n        }\n\n        var scrollerHeight = scrollerRect.bottom - scrollerRect.top;\n        /* istanbul ignore next */\n\n        if (!scrollerHeight || isHidden(el)) {\n          return false;\n        }\n\n        var isReachEdge = false;\n\n        var placeholderRect = _this.$refs.placeholder.getBoundingClientRect();\n\n        if (direction === 'up') {\n          isReachEdge = scrollerRect.top - placeholderRect.top <= offset;\n        } else {\n          isReachEdge = placeholderRect.bottom - scrollerRect.bottom <= offset;\n        }\n\n        if (isReachEdge) {\n          _this.innerLoading = true;\n\n          _this.$emit('input', true);\n\n          _this.$emit('load');\n        }\n      });\n    },\n    clickErrorText: function clickErrorText() {\n      this.$emit('update:error', false);\n      this.check();\n    },\n    genLoading: function genLoading() {\n      var h = this.$createElement;\n\n      if (this.innerLoading && !this.finished) {\n        return h(\"div\", {\n          \"key\": 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