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node_modules/vant/es/sku/utils/sku-helper.js

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+import _extends from "@babel/runtime/helpers/esm/extends";
+import { UNSELECTED_SKU_VALUE_ID } from '../constants';
+/*
+  normalize sku tree
+
+  [
+    {
+      count: 2,
+      k: "品种", // 规格名称 skuKeyName
+      k_id: "1200", // skuKeyId
+      k_s: "s1" // skuKeyStr
+      v: [ // skuValues
+        { // skuValue
+          id: "1201", // skuValueId
+          name: "萌" // 具体的规格值 skuValueName
+        }, {
+          id: "973",
+          name: "帅"
+        }
+      ]
+    },
+    ...
+  ]
+                |
+                v
+  {
+    s1: [{
+      id: "1201",
+      name: "萌"
+    }, {
+      id: "973",
+      name: "帅"
+    }],
+    ...
+  }
+ */
+
+export var normalizeSkuTree = function normalizeSkuTree(skuTree) {
+  var normalizedTree = {};
+  skuTree.forEach(function (treeItem) {
+    normalizedTree[treeItem.k_s] = treeItem.v;
+  });
+  return normalizedTree;
+};
+export var normalizePropList = function normalizePropList(propList) {
+  var normalizedProp = {};
+  propList.forEach(function (item) {
+    var itemObj = {};
+    item.v.forEach(function (it) {
+      itemObj[it.id] = it;
+    });
+    normalizedProp[item.k_id] = itemObj;
+  });
+  return normalizedProp;
+}; // 判断是否所有的sku都已经选中
+
+export var isAllSelected = function isAllSelected(skuTree, selectedSku) {
+  // 筛选selectedSku对象中key值不为空的值
+  var selected = Object.keys(selectedSku).filter(function (skuKeyStr) {
+    return selectedSku[skuKeyStr] !== UNSELECTED_SKU_VALUE_ID;
+  });
+  return skuTree.length === selected.length;
+}; // 根据已选择的 sku 获取 skuComb
+
+export var getSkuComb = function getSkuComb(skuList, selectedSku) {
+  var skuComb = skuList.filter(function (item) {
+    return Object.keys(selectedSku).every(function (skuKeyStr) {
+      return String(item[skuKeyStr]) === String(selectedSku[skuKeyStr]);
+    });
+  });
+  return skuComb[0];
+}; // 获取已选择的sku名称
+
+export var getSelectedSkuValues = function getSelectedSkuValues(skuTree, selectedSku) {
+  var normalizedTree = normalizeSkuTree(skuTree);
+  return Object.keys(selectedSku).reduce(function (selectedValues, skuKeyStr) {
+    var skuValues = normalizedTree[skuKeyStr] || [];
+    var skuValueId = selectedSku[skuKeyStr];
+
+    if (skuValueId !== UNSELECTED_SKU_VALUE_ID && skuValues.length > 0) {
+      var skuValue = skuValues.filter(function (value) {
+        return value.id === skuValueId;
+      })[0];
+      skuValue && selectedValues.push(skuValue);
+    }
+
+    return selectedValues;
+  }, []);
+}; // 判断sku是否可选
+
+export var isSkuChoosable = function isSkuChoosable(skuList, selectedSku, skuToChoose) {
+  var _extends2;
+
+  var key = skuToChoose.key,
+      valueId = skuToChoose.valueId; // 先假设sku已选中，拼入已选中sku对象中
+
+  var matchedSku = _extends({}, selectedSku, (_extends2 = {}, _extends2[key] = valueId, _extends2)); // 再判断剩余sku是否全部不可选，若不可选则当前sku不可选中
+
+
+  var skusToCheck = Object.keys(matchedSku).filter(function (skuKey) {
+    return matchedSku[skuKey] !== UNSELECTED_SKU_VALUE_ID;
+  });
+  var filteredSku = skuList.filter(function (sku) {
+    return skusToCheck.every(function (skuKey) {
+      return String(matchedSku[skuKey]) === String(sku[skuKey]);
+    });
+  });
+  var stock = filteredSku.reduce(function (total, sku) {
+    total += sku.stock_num;
+    return total;
+  }, 0);
+  return stock > 0;
+};
+export var getSelectedPropValues = function getSelectedPropValues(propList, selectedProp) {
+  var normalizeProp = normalizePropList(propList);
+  return Object.keys(selectedProp).reduce(function (acc, cur) {
+    selectedProp[cur].forEach(function (it) {
+      acc.push(_extends({}, normalizeProp[cur][it]));
+    });
+    return acc;
+  }, []);
+};
+export var getSelectedProperties = function getSelectedProperties(propList, selectedProp) {
+  var list = [];
+  (propList || []).forEach(function (prop) {
+    if (selectedProp[prop.k_id] && selectedProp[prop.k_id].length > 0) {
+      var v = [];
+      prop.v.forEach(function (it) {
+        if (selectedProp[prop.k_id].indexOf(it.id) > -1) {
+          v.push(_extends({}, it));
+        }
+      });
+      list.push(_extends({}, prop, {
+        v: v
+      }));
+    }
+  });
+  return list;
+};
+export default {
+  normalizeSkuTree: normalizeSkuTree,
+  getSkuComb: getSkuComb,
+  getSelectedSkuValues: getSelectedSkuValues,
+  isAllSelected: isAllSelected,
+  isSkuChoosable: isSkuChoosable,
+  getSelectedPropValues: getSelectedPropValues,
+  getSelectedProperties: getSelectedProperties
+};

node_modules/vant/es/sku/utils/time-helper.js

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+import { padZero } from '../../utils/format/string'; // 字符串转 Date
+// 只处理 YYYY-MM-DD 或者 YYYY-MM-DD HH:MM 格式
+
+export function stringToDate(timeString) {
+  if (!timeString) {
+    return null;
+  }
+
+  return new Date(timeString.replace(/-/g, '/'));
+} // Date 转字符串
+// type: date or datetime
+
+export function dateToString(date, type) {
+  if (type === void 0) {
+    type = 'date';
+  }
+
+  if (!date) {
+    return '';
+  }
+
+  var year = date.getFullYear();
+  var month = date.getMonth() + 1;
+  var day = date.getDate();
+  var timeString = year + "-" + padZero(month) + "-" + padZero(day);
+
+  if (type === 'datetime') {
+    var hours = date.getHours();
+    var minute = date.getMinutes();
+    timeString += " " + padZero(hours) + ":" + padZero(minute);
+  }
+
+  return timeString;
+}