feat(consignment): 支持复制寄卖模板配置与一二级分类折叠展示

apps/frontend/tests/consignment-category-tree.test.ts

@@ -0,0 +1,58 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { buildConsignmentCategoryGroups } from '../src/utils/consignment-category-tree.ts'
+
+type Item = { id: number; parentId: number | null; parentName?: string; name: string }
+
+function build(items: Item[]) {
+  return buildConsignmentCategoryGroups({
+    items,
+    getCategoryId: (item) => item.id,
+    getParentId: (item) => item.parentId,
+    getParentName: (item) => item.parentName,
+    getFallbackName: (item) => item.name,
+  })
+}
+
+test('分类树：一级在前、其二级紧随其后', () => {
+  const groups = build([
+    { id: 1, parentId: null, name: '苏尔南手枪' },
+    { id: 2, parentId: null, name: '密钥' },
+    { id: 11, parentId: 1, parentName: '苏尔南手枪', name: '暗潮' },
+    { id: 12, parentId: 1, parentName: '苏尔南手枪', name: '怒嚎' },
+  ])
+
+  assert.deepEqual(
+    groups.map((group) => group.groupName),
+    ['苏尔南手枪', '密钥'],
+  )
+  assert.deepEqual(
+    groups[0]?.children.map((child) => child.name),
+    ['暗潮', '怒嚎'],
+  )
+  assert.equal(groups[1]?.root?.name, '密钥')
+})
+
+test('分类树：只有二级配置时创建一个无 root 的分组', () => {
+  const groups = build([
+    { id: 11, parentId: 1, parentName: '苏尔南手枪', name: '暗潮' },
+    { id: 12, parentId: 1, parentName: '苏尔南手枪', name: '怒嚎' },
+  ])
+
+  assert.equal(groups.length, 1)
+  assert.equal(groups[0]?.groupName, '苏尔南手枪')
+  assert.equal(groups[0]?.root, null)
+  assert.deepEqual(
+    groups[0]?.children.map((child) => child.name),
+    ['暗潮', '怒嚎'],
+  )
+})
+
+test('分类树：没有下级的一级保持为单节点', () => {
+  const groups = build([{ id: 2, parentId: null, name: '密钥' }])
+
+  assert.equal(groups.length, 1)
+  assert.equal(groups[0]?.root?.name, '密钥')
+  assert.deepEqual(groups[0]?.children, [])
+})