zcloud-ui/lib/sku.js

A Component Library for Vue.js.

module.exports =
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/***/ 0:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return normalizeComponent; });
/* globals __VUE_SSR_CONTEXT__ */

// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.

function normalizeComponent (
  scriptExports,
  render,
  staticRenderFns,
  functionalTemplate,
  injectStyles,
  scopeId,
  moduleIdentifier, /* server only */
  shadowMode /* vue-cli only */
) {
  // Vue.extend constructor export interop
  var options = typeof scriptExports === 'function'
    ? scriptExports.options
    : scriptExports

  // render functions
  if (render) {
    options.render = render
    options.staticRenderFns = staticRenderFns
    options._compiled = true
  }

  // functional template
  if (functionalTemplate) {
    options.functional = true
  }

  // scopedId
  if (scopeId) {
    options._scopeId = 'data-v-' + scopeId
  }

  var hook
  if (moduleIdentifier) { // server build
    hook = function (context) {
      // 2.3 injection
      context =
        context || // cached call
        (this.$vnode && this.$vnode.ssrContext) || // stateful
        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
      // 2.2 with runInNewContext: true
      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
        context = __VUE_SSR_CONTEXT__
      }
      // inject component styles
      if (injectStyles) {
        injectStyles.call(this, context)
      }
      // register component module identifier for async chunk inferrence
      if (context && context._registeredComponents) {
        context._registeredComponents.add(moduleIdentifier)
      }
    }
    // used by ssr in case component is cached and beforeCreate
    // never gets called
    options._ssrRegister = hook
  } else if (injectStyles) {
    hook = shadowMode
      ? function () {
        injectStyles.call(
          this,
          (options.functional ? this.parent : this).$root.$options.shadowRoot
        )
      }
      : injectStyles
  }

  if (hook) {
    if (options.functional) {
      // for template-only hot-reload because in that case the render fn doesn't
      // go through the normalizer
      options._injectStyles = hook
      // register for functional component in vue file
      var originalRender = options.render
      options.render = function renderWithStyleInjection (h, context) {
        hook.call(context)
        return originalRender(h, context)
      }
    } else {
      // inject component registration as beforeCreate hook
      var existing = options.beforeCreate
      options.beforeCreate = existing
        ? [].concat(existing, hook)
        : [hook]
    }
  }

  return {
    exports: scriptExports,
    options: options
  }
}


/***/ }),

/***/ 82:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);

// CONCATENATED MODULE: ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./packages/sku/src/main.vue?vue&type=template&id=22929cfa&
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    { staticClass: "zl-sku" },
    [
      _vm._t(
        "default",
        _vm._l(_vm.collection, function(item, key) {
          return _c(
            "dl",
            _vm._b(
              { key: key, staticClass: "zl-sku-dl" },
              "dl",
              _vm.$attrs,
              false
            ),
            [
              _c("dt", [_vm._v(_vm._s(key) + "：")]),
              _c(
                "dd",
                _vm._l(item, function(value) {
                  return _c(
                    "button",
                    {
                      key: value.name,
                      staticClass: "button",
                      class: {
                        active: value.active,
                        disabled: !value.active && value.disabled
                      },
                      on: {
                        click: function($event) {
                          return _vm.handleActive(key, value)
                        }
                      }
                    },
                    [_vm._v(" " + _vm._s(value.name) + " ")]
                  )
                }),
                0
              )
            ]
          )
        })
      )
    ],
    2
  )
}
var staticRenderFns = []
render._withStripped = true


// CONCATENATED MODULE: ./packages/sku/src/main.vue?vue&type=template&id=22929cfa&

// CONCATENATED MODULE: ./node_modules/babel-loader/lib!./node_modules/vue-loader/lib??vue-loader-options!./packages/sku/src/main.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
//

/* harmony default export */ var mainvue_type_script_lang_js_ = ({
  name: 'ZlSku',
  data: function data() {
    return {
      sequenceMap: {}, // 格式化的数据(幂集)
      spliter: '\u2299', // 分隔符
      attrNames: [], // 属性类别名称 ['颜色','尺寸','大小']
      selectSkuId: '', // 选中的skuId
      simplifyData: [], // 简化后的data [{path:'红⊙大⊙A',sku:'3158055'}]
      collection: {}, // 显示归集,用于展示使用
      message: ''
    };
  },

  props: {
    data: {
      type: Array,
      required: true
    },
    skuName: {
      type: String,
      default: 'skuId'
    },
    value: {
      type: [String, Number],
      default: ''
    }
  },
  watch: {
    data: {
      handler: function handler(val) {
        if (val.length) {
          this.initData();
        }
      },
      deep: true,
      immediate: true
    }
  },
  methods: {
    /**
     * 初始化数据
     * @return
     */
    initData: function initData() {
      this.sequenceMap = {};
      this.selectSkuId = this.value || this.data[0][this.skuName]; // 默认选中第一条
      this.attrNames = this.getAllAttrs(); // 得到属性

      var _combineAttr = this.combineAttr(this.data, this.attrNames),
          simplifyData = _combineAttr.simplifyData,
          collection = _combineAttr.collection; // 得到简化后的data数据,和归类


      this.collection = collection;
      this.simplifyData = simplifyData;
      this.selectSkuId && this.initSeleted(this.selectSkuId); // 初始化选中
      this.buildResult(simplifyData); // 生成所有子集
      this.updateStatus(this.getSelectedItem()); // 获取选中信息,更新状态
      this.showResult();
    },

    /**
     * 获取所有属性
     * @return {[type]} [description]
     */
    getAllAttrs: function getAllAttrs() {
      var arrKeys = [];
      for (var attribute in this.data[0]) {
        if (!this.data[0].hasOwnProperty(attribute)) {
          continue;
        }
        if (attribute !== this.skuName) {
          arrKeys.push(attribute);
        }
      }
      return arrKeys;
    },

    /**
     * 计算属性
     * @param  {[type]} data [description]
     * @param  {[type]} keys [description]
     * @return {[type]}      [description]
     */
    combineAttr: function combineAttr(data, keys) {
      var allKeys = [];
      var result = {};
      for (var i = 0; i < data.length; i++) {
        var item = data[i];
        var values = [];
        for (var j = 0; j < keys.length; j++) {
          var key = keys[j];
          if (!result[key]) {
            result[key] = {};
          }
          if (!result[key][item[key]]) {
            result[key][item[key]] = {
              name: item[key],
              active: false,
              disabled: true
            };
          }
          values.push(item[key]);
        }
        allKeys.push({ // 将数据格式化成简单数据
          path: values.join(this.spliter),
          sku: item.skuId
        });
        // {path: "红⊙大⊙A", sku: "3158055"}
      }
      return {
        collection: result,
        simplifyData: allKeys
      };
    },

    /**
     * 初始化选中
     * @param  mixed|Int|String skuId 需要选中的skuId
     * @return {[type]}       [description]
     */
    initSeleted: function initSeleted(skuId) {
      var _this = this;

      var _loop = function _loop(item) {
        if (item[_this.skuName] === skuId) {
          Object.keys(item).forEach(function (subItem) {
            if (subItem !== _this.skuName) {
              _this.collection[subItem][item[subItem]].active = true;
            }
          });
          return 'break';
        }
      };

      for (var _iterator = this.data, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
        var _ref;

        if (_isArray) {
          if (_i >= _iterator.length) break;
          _ref = _iterator[_i++];
        } else {
          _i = _iterator.next();
          if (_i.done) break;
          _ref = _i.value;
        }

        var item = _ref;

        var _ret = _loop(item);

        if (_ret === 'break') break;
      }
    },

    /**
     * 生成所有子集是否可选、库存状态 map
     */
    buildResult: function buildResult(items) {
      var allKeys = this.getAttruites(items);

      for (var i = 0; i < allKeys.length; i++) {
        var curr = allKeys[i];
        var sku = items[i].sku;
        var values = curr.split(this.spliter);
        var allSets = this.powerset(values);

        // 每个组合的子集
        for (var j = 0; j < allSets.length; j++) {
          var set = allSets[j];
          var key = set.join(this.spliter);

          if (this.sequenceMap[key]) {
            this.sequenceMap[key].skus.push(sku);
          } else {
            this.sequenceMap[key] = {
              skus: [sku]
            };
          }
        }
      }
    },

    // 幂集
    powerset: function powerset(arr) {
      var ps = [[]];
      for (var i = 0; i < arr.length; i++) {
        for (var j = 0, len = ps.length; j < len; j++) {
          ps.push(ps[j].concat(arr[i]));
        }
      }
      return ps;
    },
    getAttruites: function getAttruites(arr) {
      var result = [];
      for (var i = 0; i < arr.length; i++) {
        result.push(arr[i].path);
      }

      return result;
    },

    /**
     * 获取选中的信息
     * @return Array
     */
    getSelectedItem: function getSelectedItem() {
      var result = [];
      for (var attr in this.collection) {
        var attributeName = '';
        for (var attribute in this.collection[attr]) {
          if (this.collection[attr][attribute].active === true) {
            attributeName = attribute;
          }
        }
        result.push(attributeName);
      }
      return result;
    },

    /**
     * 更新所有属性状态
     */
    updateStatus: function updateStatus(selected) {
      for (var i = 0; i < this.attrNames.length; i++) {
        var key = this.attrNames[i],
            data = this.collection[key],
            copy = selected.slice();

        for (var j in data) {
          var item = data[j].name;
          if (selected[i] === item) {
            continue;
          }

          copy[i] = item;
          var curr = this.trimSpliter(copy.join(this.spliter), this.spliter);
          this.collection[key][j].disabled = !this.sequenceMap[curr];
        }
      }
    },
    trimSpliter: function trimSpliter(str, spliter) {
      // ⊙abc⊙ => abc
      // ⊙a⊙⊙b⊙c⊙ => a⊙b⊙c
      var reLeft = new RegExp('^' + spliter + '+', 'g');
      var reRight = new RegExp(spliter + '+$', 'g');
      var reSpliter = new RegExp(spliter + '+', 'g');
      return str.replace(reLeft, '').replace(reRight, '').replace(reSpliter, spliter);
    },

    /**
     * 显示选中的信息
     * @return
     */
    showResult: function showResult() {
      var result = this.getSelectedItem();
      var s = [];
      for (var i = 0; i < result.length; i++) {
        var item = result[i];
        if (item) {
          s.push(item);
        }
      }

      if (s.length === this.attrNames.length) {
        var curr = this.sequenceMap[s.join(this.spliter)];
        if (curr) {
          s = s.concat(curr.skus);
          this.selectSkuId = curr.skus[0];
          this.$emit('input', this.selectSkuId);
          this.$emit('update', this.selectSkuId);
        }

        // this.message = s.join('\u3000-\u3000');
      }
    },

    /**
     * 点击事件处理
     * @param  key   点击的行
     * @param  value 点击的按钮的数据
     */
    handleActive: function handleActive(key, value) {
      if (value.active) {
        return false;
      }

      this.handleNormalClick(key, value);
      if (value.disabled === true) {
        this.handleDisableClick(key, value);
      }

      this.updateStatus(this.getSelectedItem());
      this.showResult();
    },
    /**
     * 正常属性点击
     * 同组其他置成activefalse
     */
    handleNormalClick: function handleNormalClick(key, value) {
      for (var i in this.collection[key]) {
        if (i !== value.name) {
          this.collection[key][i].active = false;
        } else {
          this.collection[key][i].active = true;
        }
      }
    },

    /**
     * 无效属性点击
     * 其他组全部置成activefalse
     */
    handleDisableClick: function handleDisableClick(key, value) {
      this.collection[key][value.name].disabled = false;
      // 清空高亮行的已选属性状态（因为更新的时候默认会跳过已选状态）
      for (var i in this.collection) {
        if (i !== key) {
          for (var x in this.collection[i]) {
            this.collection[i][x].active = false;
          }
        }
      }
      this.updateStatus(this.getSelectedItem());
    }
  }

});
// CONCATENATED MODULE: ./packages/sku/src/main.vue?vue&type=script&lang=js&
 /* harmony default export */ var src_mainvue_type_script_lang_js_ = (mainvue_type_script_lang_js_); 
// EXTERNAL MODULE: ./node_modules/vue-loader/lib/runtime/componentNormalizer.js
var componentNormalizer = __webpack_require__(0);

// CONCATENATED MODULE: ./packages/sku/src/main.vue





/* normalize component */

var component = Object(componentNormalizer["a" /* default */])(
  src_mainvue_type_script_lang_js_,
  render,
  staticRenderFns,
  false,
  null,
  null,
  null
  
)

/* hot reload */
if (false) { var api; }
component.options.__file = "packages/sku/src/main.vue"
/* harmony default export */ var main = (component.exports);
// CONCATENATED MODULE: ./packages/sku/index.js


/* istanbul ignore next */
main.install = function (Vue) {
  Vue.component(main.name, main);
};

/* harmony default export */ var sku = __webpack_exports__["default"] = (main);

/***/ })

/******/ });