first commit

app/lib/cart-edit.js

@@ -0,0 +1,104 @@
+function e(e, t = {}) {
+  let n = {
+    ...e,
+    ...t,
+  };
+  return {
+    product_id: Number(n.product_id),
+    config_options: n.config_options ?? {},
+    qty: Math.max(1, Number(n.qty ?? 1)),
+    customfield: n.customfield ?? {},
+    self_defined_field: n.self_defined_field ?? {},
+  };
+}
+function t(e) {
+  return JSON.parse(JSON.stringify(e));
+}
+function n(n) {
+  return n.map((n) => t(e(n)));
+}
+function r(e) {
+  return Array.isArray(e)
+    ? e.map(r)
+    : e && typeof e == `object`
+      ? Object.fromEntries(
+          Object.entries(e)
+            .filter(([, e]) => e !== void 0)
+            .sort(([e], [t]) => e.localeCompare(t))
+            .map(([e, t]) => [e, r(t)]),
+        )
+      : e;
+}
+function i(t) {
+  return JSON.stringify(r(e(t)));
+}
+function a(e, t) {
+  if (!e) return;
+  let n = e.item.self_defined_field ?? {};
+  if (Object.keys(n).some((e) => !t.includes(e)))
+    throw Error(`商品自定义字段已调整，请返回购物车删除该项后重新配置`);
+}
+var o = null;
+async function s(e) {
+  let t = new TextEncoder().encode(i(e));
+  return Array.from(
+    new Uint8Array(await crypto.subtle.digest(`SHA-256`, t)),
+    (e) => e.toString(16).padStart(2, `0`),
+  ).join(``);
+}
+async function c(e, t) {
+  let n = [...t];
+  o = {
+    fingerprints: await Promise.all(e.map(s)),
+    indices: n,
+  };
+}
+async function l(e) {
+  let t = o;
+  if (!t) return null;
+  o = null;
+  let n = await Promise.all(e.map(s)),
+    r = new Set();
+  return t.indices.flatMap((e) => {
+    let i = t.fingerprints
+        .slice(0, e)
+        .filter((n) => n === t.fingerprints[e]).length,
+      a = n.flatMap((n, r) => (n === t.fingerprints[e] ? [r] : []))[i];
+    return a === void 0 || r.has(a) ? [] : (r.add(a), [a]);
+  });
+}
+function u(n, r) {
+  let a = r ? t(r.item) : null,
+    c = !1;
+  return async (l, u) => {
+    if (!r || !a) throw Error(`购物车编辑上下文缺失`);
+    if (c) throw Error(`正在保存，请勿重复操作`);
+    c = !0;
+    let d = t(e(a, l));
+    try {
+      let c = (await n.get(`/cart`)).list?.[r.position];
+      if (!c || i(c) !== i(a))
+        throw Error(`购物车商品已变化，请返回购物车刷新后重新编辑`);
+      if (!u()) throw Error(`配置已改变，请重新确认报价后保存`);
+      let l = await n.put(`/cart/${r.position}`, {
+          ...d,
+          expected_item: e(a),
+        }),
+        f = a;
+      a = t({
+        ...a,
+        ...d,
+      });
+      let p = o;
+      return (
+        p &&
+          p.fingerprints[r.position] === (await s(f)) &&
+          (p.fingerprints[r.position] = await s(a)),
+        l
+      );
+    } finally {
+      c = !1;
+    }
+  };
+}
+export { l as a, c as i, t as n, a as o, u as r, n as t };