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| import { defineStore } from "pinia";
| import { computed, ref, watch } from "vue";
| import { storage } from "/@/cool";
| import { uuid } from "/@/cool/utils";
|
| // 购物车
| export const useShoppingCart = defineStore("shopping-cart", () => {
| const list = ref<OrderGoods[]>(storage.get("shopping-cart.list") || []);
|
| // 购物车数量
| const num = computed(() => {
| return list.value.length;
| });
|
| // 数量+1
| function add(data: OrderGoods) {
| const d = list.value.find((e) => e.spec?.id == data.spec?.id);
|
| if (d) {
| // 判定库存
| d.count += data.count || 1;
|
| if (d.count > data.spec.stock!) {
| d.count = data.spec.stock || 1;
| }
| } else {
| list.value.push({
| ...data,
| id: uuid(),
| });
| }
| }
|
| // 删除规格
| function del(id: string) {
| const i = list.value.findIndex((e) => e.id == id);
|
| if (i >= 0) {
| list.value.splice(i, 1);
| }
| }
|
| // 删除规格根据 specId
| function delBySpecId(id: number) {
| const i = list.value.findIndex((e) => e.spec?.id == id);
|
| if (i >= 0) {
| list.value.splice(i, 1);
| }
| }
|
| // 监听更新
| watch(
| list,
| (val) => {
| storage.set("shopping-cart.list", val);
| },
| {
| deep: true,
| },
| );
|
| return {
| list,
| num,
| add,
| del,
| delBySpecId,
| };
| });
|
|
