96 lines
2.3 KiB
JavaScript
96 lines
2.3 KiB
JavaScript
import isArray from 'lodash/isArray';
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import keys from 'lodash/keys';
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import filter from 'lodash/filter';
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import find from 'lodash/find';
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import isObject from 'lodash/isObject';
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import every from 'lodash/every';
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/*
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normalize sku tree
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[
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{
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count: 2,
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k: "品种", // 规格名称 skuKeyName
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k_id: "1200", // skuKeyId
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k_s: "s1" // skuKeyStr
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v: [ // skuValues
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{ // skuValue
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id: "1201", // skuValueId
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name: "萌" // 具体的规格值 skuValueName
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}, {
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id: "973",
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name: "帅"
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}
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]
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},
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...
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]
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v
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{
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s1: [{
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id: "1201",
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name: "萌"
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}, {
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id: "973",
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name: "帅"
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}],
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...
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}
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*/
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export const normalizeSkuTree = (skuTree) => {
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const normalizedTree = {};
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skuTree.forEach(treeItem => {
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normalizedTree[treeItem.k_s] = treeItem.v;
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});
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return normalizedTree;
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};
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// 判断是否所有的sku都已经选中
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export const isAllSelected = (skuTree, selectedSku) => {
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if (!isArray(skuTree)) {
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throw new Error('skuTree must be array');
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}
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if (!isObject(selectedSku)) {
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throw new Error('selectedSku must be object');
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}
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const selected = filter(keys(selectedSku), skuKeyStr => selectedSku[skuKeyStr] !== '');
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return skuTree.length === selected.length;
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};
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// 根据已选择的sku获取skuComb
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export const getSkuComb = (skuList, selectedSku) => {
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const skuComb = find(skuList, (skuComb) => {
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return every(keys(selectedSku), skuKeyStr => {
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// 后端给的key有时数字有时字符串，需要兼容=。=
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return skuComb[skuKeyStr] == selectedSku[skuKeyStr]; // eslint-disable-line
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});
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});
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return skuComb;
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};
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// 获取已选择的sku名称
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export const getSelectedSkuValues = (skuTree, selectedSku) => {
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const normalizedTree = normalizeSkuTree(skuTree);
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return keys(selectedSku).reduce((selectedValues, skuKeyStr) => {
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const skuValues = normalizedTree[skuKeyStr];
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const skuValueId = selectedSku[skuKeyStr];
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if (skuValueId) {
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const skuValue = find(skuValues, skuValue => skuValue.id === skuValueId);
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skuValue && selectedValues.push(skuValue);
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}
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return selectedValues;
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}, []);
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};
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const SkuHelper = {
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normalizeSkuTree,
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isAllSelected,
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getSkuComb,
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getSelectedSkuValues
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};
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export default SkuHelper;
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