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apps/mini-user/src/lib/api.ts

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+import Taro from '@tarojs/taro';
+import { ClientApp } from '@dukang/shared-types';
+
+function resolveApiBase(): string {
+  const origin =
+    typeof TARO_APP_API_ORIGIN !== 'undefined' && TARO_APP_API_ORIGIN
+      ? TARO_APP_API_ORIGIN
+      : process.env.TARO_ENV === 'h5'
+        ? 'http://localhost:3000'
+        : '';
+  if (origin) {
+    return `${origin.replace(/\/$/, '')}/api/v1`;
+  }
+  return '/api/v1';
+}
+
+export const API_BASE = resolveApiBase();
+const TOKEN_KEY = 'user_access_token';
+const REFRESH_KEY = 'user_refresh_token';
+export const CLIENT_APP = ClientApp.USER_MINI;
+
+export function getToken(): string {
+  try {
+    return Taro.getStorageSync(TOKEN_KEY) || '';
+  } catch {
+    return '';
+  }
+}
+
+export function getRefreshToken(): string {
+  try {
+    return Taro.getStorageSync(REFRESH_KEY) || '';
+  } catch {
+    return '';
+  }
+}
+
+export function saveAuth(data: { accessToken: string; refreshToken?: string }) {
+  Taro.setStorageSync(TOKEN_KEY, data.accessToken);
+  if (data.refreshToken) {
+    Taro.setStorageSync(REFRESH_KEY, data.refreshToken);
+  }
+}
+
+export function clearAuth() {
+  Taro.removeStorageSync(TOKEN_KEY);
+  Taro.removeStorageSync(REFRESH_KEY);
+}
+
+export function isLoggedIn(): boolean {
+  return !!getToken();
+}
+
+export function redirectToLogin() {
+  Taro.navigateTo({ url: '/pages/login/index' });
+}
+
+export function logout() {
+  clearAuth();
+  Taro.reLaunch({ url: '/pages/home/index' });
+}
+
+type ReqOptions = {
+  method?: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH';
+  data?: Record<string, unknown> | unknown;
+  auth?: boolean;
+};
+
+function parseBody(data: unknown): { code?: number; message?: string } {
+  if (data && typeof data === 'object') {
+    return data as { code?: number; message?: string };
+  }
+  return {};
+}
+
+/** 统一请求：注入 USER_MINI + Bearer，解包 { code, message, data } */
+export async function request<T = unknown>(path: string, options: ReqOptions = {}): Promise<T> {
+  const header: Record<string, string> = {
+    'Content-Type': 'application/json',
+    'X-Client-App': CLIENT_APP,
+  };
+  const token = getToken();
+  if (token) header.Authorization = `Bearer ${token}`;
+
+  const res = await Taro.request({
+    url: `${API_BASE}${path}`,
+    method: options.method ?? 'GET',
+    data: options.data as Record<string, unknown>,
+    header,
+  });
+
+  const status = res.statusCode;
+  const body = parseBody(res.data);
+
+  if (status === 401 || body?.code === 401) {
+    clearAuth();
+    redirectToLogin();
+    throw new Error(body?.message || '登录已过期，请重新登录');
+  }
+  if (status === 404 && body.code === undefined) {
+    throw new Error('接口不可达，请确认 API 服务已启动');
+  }
+  if (status >= 400 || body.code !== 0) {
+    throw new Error(body?.message || `请求失败(${status})`);
+  }
+  return (res.data as { data: T }).data;
+}
+
+export function toast(title: string, icon: 'success' | 'error' | 'none' = 'none') {
+  Taro.showToast({ title, icon, duration: 1800 });
+}
+
+export type SessionPayload = {
+  accessToken: string;
+  refreshToken?: string;
+};
+
+export type UserProfile = {
+  id: string;
+  phone?: string | null;
+  nickname?: string | null;
+};

apps/mini-user/src/lib/product-images.ts

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+/** 商品无图时的占位（小程序端无本地兜底图时用空串由 UI 显示灰底） */
+export const PRODUCT_IMAGE_FALLBACK = '';
+
+export type ProductImageSource = {
+  mainImageUrl?: string | null;
+  carouselUrls?: string[] | null;
+  detailImageUrls?: string[] | null;
+};
+
+function uniqueUrls(urls: Array<string | null | undefined>) {
+  const seen = new Set<string>();
+  const result: string[] = [];
+  for (const url of urls) {
+    if (!url || seen.has(url)) continue;
+    seen.add(url);
+    result.push(url);
+  }
+  return result;
+}
+
+export function getProductMainImage(source?: ProductImageSource | null): string {
+  return source?.mainImageUrl ?? source?.carouselUrls?.[0] ?? PRODUCT_IMAGE_FALLBACK;
+}
+
+export function getProductImages(source?: ProductImageSource | null): string[] {
+  const carousel = uniqueUrls(source?.carouselUrls ?? []);
+  if (carousel.length > 0) return carousel;
+  const main = source?.mainImageUrl;
+  if (main) return [main];
+  return PRODUCT_IMAGE_FALLBACK ? [PRODUCT_IMAGE_FALLBACK] : [];
+}
+
+export const FALLBACK_CITY_CODE = '410100';