优化构架

src/modules/tenant-management/utils/qualificationFile.test.mjs

@@ -0,0 +1,21 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { formatQualificationFileSize, QUALIFICATION_MAX_FILE_SIZE, validateQualificationFile } from './qualificationFile.ts'
+
+test('accepts the backend-confirmed JPG and PNG formats up to 5MB', () => {
+  assert.equal(validateQualificationFile({ name: '营业执照.jpeg', size: QUALIFICATION_MAX_FILE_SIZE, type: 'image/jpeg' }), '')
+  assert.equal(validateQualificationFile({ name: '营业执照.PNG', size: 2048, type: 'image/png' }), '')
+})
+
+test('rejects PDF, empty, mismatched, and oversized files', () => {
+  assert.match(validateQualificationFile({ name: '营业执照.pdf', size: 1024, type: 'application/pdf' }), /格式不支持/)
+  assert.match(validateQualificationFile({ name: '伪装图片.png', size: 1024, type: 'text/plain' }), /内容类型/)
+  assert.match(validateQualificationFile({ name: '空文件.png', size: 0, type: 'image/png' }), /内容为空/)
+  assert.match(validateQualificationFile({ name: '超大文件.jpg', size: QUALIFICATION_MAX_FILE_SIZE + 1, type: 'image/jpeg' }), /超过 5MB/)
+})
+
+test('formats selected file sizes for review', () => {
+  assert.equal(formatQualificationFileSize(512), '512 B')
+  assert.equal(formatQualificationFileSize(1536), '1.5 KB')
+  assert.equal(formatQualificationFileSize(2 * 1024 * 1024), '2.0 MB')
+})

src/modules/tenant-management/utils/qualificationFile.ts

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+export const QUALIFICATION_MAX_FILE_SIZE = 5 * 1024 * 1024
+
+const allowedExtensions = new Set(['jpg', 'jpeg', 'png'])
+const allowedMimeTypes = new Set(['image/jpeg', 'image/png'])
+
+export interface QualificationFileLike {
+  name: string
+  size: number
+  type?: string
+}
+
+export function validateQualificationFile(file: QualificationFileLike) {
+  const extension = file.name.includes('.') ? file.name.split('.').pop()?.toLowerCase() ?? '' : ''
+  if (!allowedExtensions.has(extension)) return '文件格式不支持，请选择 JPG 或 PNG 图片'
+  if (file.type && !allowedMimeTypes.has(file.type)) return '文件内容类型与支持的资质格式不一致'
+  if (file.size <= 0) return '文件内容为空，请重新选择'
+  if (file.size > QUALIFICATION_MAX_FILE_SIZE) return '文件超过 5MB，请压缩后重新选择'
+  return ''
+}
+
+export function formatQualificationFileSize(bytes: number) {
+  if (bytes < 1024) return `${bytes} B`
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`
+  return `${(bytes / 1024 / 1024).toFixed(1)} MB`
+}