xwc/unpackage/dist/dev/mp-weixin/components/tabs/tabs.js

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/***/ 1115:
/*!*************************************************!*\
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/***/ (function(module, __webpack_exports__, __webpack_require__) {

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__webpack_require__.r(__webpack_exports__);
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var renderjs





/* normalize component */

var component = Object(_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_vue_loader_lib_runtime_componentNormalizer_js__WEBPACK_IMPORTED_MODULE_3__["default"])(
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component.options.__file = "components/tabs/tabs.vue"
/* harmony default export */ __webpack_exports__["default"] = (component.exports);

/***/ }),

/***/ 1116:
/*!********************************************************************************************!*\
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/*! exports provided: render, staticRenderFns, recyclableRender, components */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return _HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_vue_loader_lib_loaders_templateLoader_js_vue_loader_options_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_webpack_preprocess_loader_index_js_ref_17_0_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_webpack_uni_mp_loader_lib_template_js_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_webpack_uni_app_loader_page_meta_js_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_vue_loader_lib_index_js_vue_loader_options_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_webpack_uni_mp_loader_lib_style_js_tabs_vue_vue_type_template_id_21da2544_scoped_true___WEBPACK_IMPORTED_MODULE_0__["staticRenderFns"]; });

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/***/ }),

/***/ 1117:
/*!********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************!*\
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/*! exports provided: render, staticRenderFns, recyclableRender, components */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
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var components
try {
  components = {
    uSticky: function () {
      return __webpack_require__.e(/*! import() | components/uview-ui/components/u-sticky/u-sticky */ "components/uview-ui/components/u-sticky/u-sticky").then(__webpack_require__.bind(null, /*! @/components/uview-ui/components/u-sticky/u-sticky.vue */ 899))
    },
    uBadge: function () {
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    },
  }
} catch (e) {
  if (
    e.message.indexOf("Cannot find module") !== -1 &&
    e.message.indexOf(".vue") !== -1
  ) {
    console.error(e.message)
    console.error("1. 排查组件名称拼写是否正确")
    console.error(
      "2. 排查组件是否符合 easycom 规范，文档：https://uniapp.dcloud.net.cn/collocation/pages?id=easycom"
    )
    console.error(
      "3. 若组件不符合 easycom 规范，需手动引入，并在 components 中注册该组件"
    )
  } else {
    throw e
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}
var render = function () {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  var l0 = _vm.__map(_vm.list, function (item, index) {
    var $orig = _vm.__get_orig(item)
    var s0 = _vm.__get_style([_vm.tabItemStyle(index)])
    return {
      $orig: $orig,
      s0: s0,
    }
  })
  var s1 = _vm.showBar ? _vm.__get_style([_vm.tabBarStyle]) : null
  _vm.$mp.data = Object.assign(
    {},
    {
      $root: {
        l0: l0,
        s1: s1,
      },
    }
  )
}
var recyclableRender = false
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ 1118:
/*!**************************************************************************!*\
  !*** D:/工作/项目2/华畦/xcw/components/tabs/tabs.vue?vue&type=script&lang=js& ***!
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/*! no static exports found */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony import */ var _HBuilderX_plugins_uniapp_cli_node_modules_babel_loader_lib_index_js_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_webpack_preprocess_loader_index_js_ref_13_1_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_webpack_uni_mp_loader_lib_script_js_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_vue_loader_lib_index_js_vue_loader_options_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_webpack_uni_mp_loader_lib_style_js_tabs_vue_vue_type_script_lang_js___WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_HBuilderX_plugins_uniapp_cli_node_modules_babel_loader_lib_index_js_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_webpack_preprocess_loader_index_js_ref_13_1_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_webpack_uni_mp_loader_lib_script_js_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_vue_cli_plugin_uni_packages_vue_loader_lib_index_js_vue_loader_options_HBuilderX_plugins_uniapp_cli_node_modules_dcloudio_webpack_uni_mp_loader_lib_style_js_tabs_vue_vue_type_script_lang_js___WEBPACK_IMPORTED_MODULE_0__);
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/***/ }),

/***/ 1119:
/*!*********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************!*\
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//
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var _default2 = {
  name: "tabs",
  props: {
    // 导航菜单是否需要滚动，如只有2或者3个的时候，就不需要滚动了，此时使用flex平分tab的宽度
    isScroll: {
      type: Boolean,
      default: true
    },
    // 当前活动tab的索引
    current: {
      type: [Number, String],
      default: 0
    },
    // 导航栏的高度和行高
    height: {
      type: [String, Number],
      default: 80
    },
    // 字体大小
    fontSize: {
      type: [String, Number],
      default: 28
    },
    // 过渡动画时长, 单位ms
    duration: {
      type: [String, Number],
      default: 0.3
    },
    // 选中项的主题颜色
    activeColor: {
      type: String,
      default: '#FF2C3C'
    },
    // 未选中项的颜色
    inactiveColor: {
      type: String,
      default: '#333'
    },
    // 菜单底部移动的bar的宽度，单位rpx
    barWidth: {
      type: [String, Number],
      default: 40
    },
    // 移动bar的高度
    barHeight: {
      type: [String, Number],
      default: 4
    },
    // 单个tab的左或有内边距（左右相同）
    gutter: {
      type: [String, Number],
      default: 30
    },
    // 导航栏的背景颜色
    bgColor: {
      type: String,
      default: '#ffffff'
    },
    // 读取传入的数组对象的属性(tab名称)
    name: {
      type: String,
      default: 'name'
    },
    // 读取传入的数组对象的属性(徽标数)
    count: {
      type: String,
      default: 'count'
    },
    // 徽标数位置偏移
    offset: {
      type: Array,
      default: function _default() {
        return [5, 20];
      }
    },
    // 活动tab字体是否加粗
    bold: {
      type: Boolean,
      default: true
    },
    // 当前活动tab item的样式
    activeItemStyle: {
      type: Object,
      default: function _default() {
        return {};
      }
    },
    // 是否显示底部的滑块
    showBar: {
      type: Boolean,
      default: true
    },
    // 底部滑块的自定义样式
    barStyle: {
      type: Object,
      default: function _default() {
        return {};
      }
    },
    // 标签的宽度
    itemWidth: {
      type: [Number, String],
      default: 'auto'
    },
    isFixed: {
      type: Boolean,
      default: false
    },
    top: {
      type: [Number, String],
      default: 0
    },
    width: {
      type: [Number, String],
      default: '100%'
    },
    stickyBgColor: {
      type: String,
      default: 'transparent'
    },
    borderRadius: {
      type: [Number, String],
      default: 0
    },
    // 异步使用：需手动更改这个值才能点击
    async: {
      type: Boolean,
      default: false
    }
  },
  provide: function provide() {
    return {
      tabs: this
    };
  },
  data: function data() {
    return {
      list: [],
      scrollLeft: 0,
      // 滚动scroll-view的左边滚动距离
      tabQueryInfo: [],
      // 存放对tab菜单查询后的节点信息
      componentWidth: 0,
      // 屏幕宽度，单位为px
      scrollBarLeft: 0,
      // 移动bar需要通过translateX()移动的距离
      parentLeft: 0,
      // 父元素(tabs组件)到屏幕左边的距离
      id: 'cu-tab',
      // id值
      currentIndex: this.current,
      barFirstTimeMove: true,
      // 滑块第一次移动时(页面刚生成时)，无需动画，否则给人怪异的感觉
      isAsync: false
    };
  },
  watch: {
    // 监听tab的变化，重新计算tab菜单的布局信息，因为实际使用中菜单可能是通过
    // 后台获取的（如新闻app顶部的菜单），获取返回需要一定时间，所以list变化时，重新获取布局信息
    list: function list(n, o) {
      var _this = this;
      // list变动时，重制内部索引，否则可能导致超出数组边界的情况
      if (!this.barFirstTimeMove && n.length !== o.length) {
        this.currentIndex = 0;
      }
      // 用$nextTick等待视图更新完毕后再计算tab的局部信息，否则可能因为tab还没生成就获取，就会有问题
      this.$nextTick(function () {
        _this.init();
      });
    },
    current: {
      immediate: true,
      handler: function handler(nVal, oVal) {
        var _this2 = this;
        // 视图更新后再执行移动操作、
        this.$nextTick(function () {
          _this2.currentIndex = nVal;
          _this2.scrollByIndex();
        });
      }
    },
    async: {
      immediate: true,
      handler: function handler(nVal, oVal) {
        this.isAsync = nVal;
      }
    }
  },
  computed: {
    // 移动bar的样式
    tabBarStyle: function tabBarStyle() {
      var style = {
        width: this.barWidth + 'rpx',
        transform: "translate(".concat(this.scrollBarLeft, "px, -100%)"),
        // 滑块在页面渲染后第一次滑动时，无需动画效果
        'transition-duration': "".concat(this.barFirstTimeMove ? 0 : this.duration, "s"),
        'background-color': this.activeColor,
        height: this.barHeight + 'rpx',
        opacity: this.barFirstTimeMove ? 0 : 1,
        // 设置一个很大的值，它会自动取能用的最大值，不用高度的一半，是因为高度可能是单数，会有小数出现
        'border-radius': "".concat(this.barHeight / 2, "px")
      };
      Object.assign(style, this.barStyle);
      return style;
    },
    // tab的样式
    tabItemStyle: function tabItemStyle() {
      var _this3 = this;
      return function (index) {
        var style = {
          height: _this3.height + 'rpx',
          'line-height': _this3.height + 'rpx',
          'font-size': _this3.fontSize + 'rpx',
          padding: _this3.isScroll ? "0 ".concat(_this3.gutter, "rpx") : '',
          flex: _this3.isScroll ? 'auto' : '1',
          width: "".concat(_this3.itemWidth, "rpx")
        };
        // 字体加粗
        if (index == _this3.currentIndex && _this3.bold) style.fontWeight = 'bold';
        if (index == _this3.currentIndex) {
          style.color = _this3.activeColor;
          // 给选中的tab item添加外部自定义的样式
          style = Object.assign(style, _this3.activeItemStyle);
        } else {
          style.color = _this3.inactiveColor;
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      };
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          dot = item.dot,
          active = item.active,
          inited = item.inited,
          updateRender = item.updateRender;
        return {
          name: name,
          dot: dot,
          active: active,
          inited: inited,
          updateRender: updateRender
        };
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      this.$nextTick(function () {
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      });
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                _context.next = 2;
                return (0, _tools.getRect)('#' + _this4.id, false, _this4);
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                tabRect = _context.sent;
                // tabs组件距离屏幕左边的宽度
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                // tabs组件的宽度
                _this4.componentWidth = tabRect.width;
                _this4.getTabRect();
              case 6:
              case "end":
                return _context.stop();
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          }
        }, _callee);
      }))();
    },
    // 点击某一个tab菜单
    clickTab: function clickTab(index) {
      var _this5 = this;
      // 发送事件给父组件
      this.$emit('change', index);
      // 点击当前活动tab，不触发事件
      if (this.isAsync) return;
      if (index == this.currentIndex) return;
      this.$nextTick(function () {
        _this5.currentIndex = index;
        _this5.scrollByIndex();
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    },
    // 查询tab的布局信息
    getTabRect: function getTabRect() {
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      var query = uni.createSelectorQuery().in(this);
      // 历遍所有tab，这里是执行了查询，最终使用exec()会一次性返回查询的数组结果
      for (var i = 0; i < this.list.length; i++) {
        // 只要size和rect两个参数
        query.select("#tab-item-".concat(i)).fields({
          size: true,
          rect: true
        });
      }
      // 执行查询，一次性获取多个结果
      query.exec(function (res) {
        this.tabQueryInfo = res;
        // 初始化滚动条和移动bar的位置
        this.scrollByIndex();
      }.bind(this));
    },
    // 滚动scroll-view，让活动的tab处于屏幕的中间位置
    scrollByIndex: function scrollByIndex() {
      var _this6 = this;
      // 当前活动tab的布局信息，有tab菜单的width和left(为元素左边界到父元素左边界的距离)等信息
      var tabInfo = this.tabQueryInfo[this.currentIndex];
      if (!tabInfo) return;
      // 活动tab的宽度
      var tabWidth = tabInfo.width;
      // 活动item的左边到tabs组件左边的距离，用item的left减去tabs的left
      var offsetLeft = tabInfo.left - this.parentLeft;
      // 将活动的tabs-item移动到屏幕正中间，实际上是对scroll-view的移动
      var scrollLeft = offsetLeft - (this.componentWidth - tabWidth) / 2;
      this.scrollLeft = scrollLeft < 0 ? 0 : scrollLeft;
      // 当前活动item的中点点到左边的距离减去滑块宽度的一半，即可得到滑块所需的移动距离
      var left = tabInfo.left + tabInfo.width / 2 - this.parentLeft;
      // 计算当前活跃item到组件左边的距离
      this.scrollBarLeft = left - uni.upx2px(this.barWidth) / 2;
      // 第一次移动滑块的时候，barFirstTimeMove为true，放到延时中将其设置false
      // 延时是因为scrollBarLeft作用于computed计算时，需要一个过程需，否则导致出错
      if (this.barFirstTimeMove == true) {
        setTimeout(function () {
          _this6.barFirstTimeMove = false;
        }, 100);
      }

      // 更新子组件的显示
      this.childrens.forEach(function (item, ind) {
        var active = ind === _this6.currentIndex;
        if (active !== item.active || !item.inited) {
          item.updateRender(active, _this6);
        }
      });
    }
  },
  created: function created() {
    this.childrens = [];
  },
  mounted: function mounted() {
    this.updateTabs();
  }
};
exports.default = _default2;
/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./node_modules/@dcloudio/uni-mp-weixin/dist/index.js */ 2)["default"]))

/***/ }),

/***/ 1120:
/*!***********************************************************************************************************!*\
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/***/ 1121:
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