优化

src/api/types.test.mjs

@@ -0,0 +1,19 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { apiErrorMessage, asFieldErrors } from './errorDetails.ts'
+
+test('adds validation field details to a generic API message', () => {
+  const errors = asFieldErrors({ carrierName: '不能为空', carrierId: '不能为null' })
+
+  assert.equal(
+    apiErrorMessage('Validation failed', errors),
+    'Validation failed：carrierName: 不能为空；carrierId: 不能为null',
+  )
+})
+
+test('does not duplicate validation details already included by the server', () => {
+  const errors = { carrierName: '不能为空', carrierId: '不能为null' }
+  const message = 'carrierName: 不能为空；carrierId: 不能为null'
+
+  assert.equal(apiErrorMessage(message, errors), message)
+})