fix(phase4): harden development acceptance adapters

src/modules/overseas-master-data/api/overseasMasterData.ts

@@ -34,27 +34,52 @@ const normalizeQuoteDetail = (value: QuoteDetailWire): OverseasWarehouseQuoteDet
 const normalizeExchangeRate = (value: ExchangeRateWire): MonthlyExchangeRate => ({ ...value, usdToCnyAverage: numeric(value.usdToCnyAverage), recordVersion: numeric(value.recordVersion) })
 const normalizeVehicle = (value: VehicleWire): VehicleDetail => ({ ...value, fuelConsumptionPer100Km: numeric(value.fuelConsumptionPer100Km), mileageKm: numeric(value.mileageKm), recordVersion: numeric(value.recordVersion) })
 
-async function csvError(blob: Blob, status: number) {
-  if (!blob.type.toLowerCase().includes('json')) return null
+type DownloadPayload = Blob | ArrayBuffer | ArrayBufferView | string
+
+async function downloadText(payload: DownloadPayload) {
+  if (typeof payload === 'string') return payload
+  if (payload instanceof Blob) return payload.text()
+  const bytes = payload instanceof ArrayBuffer
+    ? new Uint8Array(payload)
+    : new Uint8Array(payload.buffer, payload.byteOffset, payload.byteLength)
+  return new TextDecoder().decode(bytes)
+}
+
+async function csvError(payload: DownloadPayload, status: number) {
+  const contentType = payload instanceof Blob ? payload.type.toLowerCase() : ''
+  const text = await downloadText(payload)
+  if (!contentType.includes('json') && !/^\s*[\[{]/.test(text)) return null
   try {
-    const payload = JSON.parse(await blob.text()) as Partial<ApiEnvelope<unknown>>
-    if (!payload || typeof payload !== 'object' || Array.isArray(payload)) throw new Error('invalid envelope')
-    return new ApiResponseError(payload.message || 'CSV 导出失败', payload.code || 'DOWNLOAD_FAILED', status,
-      payload.data, payload.requestId, payload.traceId)
+    const envelope = JSON.parse(text) as Partial<ApiEnvelope<unknown>>
+    if (!envelope || typeof envelope !== 'object' || Array.isArray(envelope)) throw new Error('invalid envelope')
+    return new ApiResponseError(envelope.message || 'CSV 导出失败', envelope.code || 'DOWNLOAD_FAILED', status,
+      envelope.data, envelope.requestId, envelope.traceId)
   } catch (error) {
     if (error instanceof ApiResponseError) return error
     return new ApiResponseError('CSV 导出接口返回了无法识别的 JSON 响应', 'INVALID_DOWNLOAD_RESPONSE', status)
   }
 }
+function csvBlob(payload: DownloadPayload) {
+  if (payload instanceof Blob) return payload
+  if (typeof payload === 'string') return new Blob([payload], { type: 'text/csv;charset=utf-8' })
+  const bytes = payload instanceof ArrayBuffer
+    ? new Uint8Array(payload)
+    : new Uint8Array(payload.buffer, payload.byteOffset, payload.byteLength)
+  const copy = new Uint8Array(bytes.byteLength)
+  copy.set(bytes)
+  return new Blob([copy.buffer], { type: 'text/csv;charset=utf-8' })
+}
 async function download(path: string, params: object) {
   try {
-    const blob = await overseasHttp.get<Blob, Blob>(path, { params, responseType: 'blob' })
-    const error = await csvError(blob, 200)
+    const payload = await overseasHttp.get<DownloadPayload, DownloadPayload>(path, { params, responseType: 'arraybuffer' })
+    const error = await csvError(payload, 200)
     if (error) throw error
-    return blob
+    return csvBlob(payload)
   } catch (error) {
-    if (axios.isAxiosError(error) && error.response?.data instanceof Blob) {
-      const responseError = await csvError(error.response.data, error.response.status)
+    const axiosError = axios.isAxiosError(error) ? error : null
+    const responsePayload = axiosError?.response?.data as DownloadPayload | undefined
+    if (responsePayload !== undefined) {
+      const responseError = await csvError(responsePayload, axiosError?.response?.status || 0)
       if (responseError) throw responseError
     }
     throw error