63 lines
1.9 KiB
TypeScript
63 lines
1.9 KiB
TypeScript
function trimTrailingSlashes(value: string): string {
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return value.replace(/\/+$/, '');
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}
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export type AppVariant = 'development' | 'staging' | 'production';
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function resolveAppVariant(): AppVariant {
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const raw = process.env.EXPO_PUBLIC_APP_VARIANT;
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if (raw === 'development' || raw === 'staging' || raw === 'production') {
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return raw;
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}
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if (__DEV__) {
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return 'development';
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}
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// Release 包若 env 未写入 APP_VARIANT（例如仅复制了 env/staging 到 .env 但变量缺失），
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// 仍按 API 是否为 http 推断预发，避免关于页误隐藏后端地址。
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const apiUrl = process.env.EXPO_PUBLIC_API_URL ?? '';
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if (apiUrl.startsWith('http://')) {
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return 'staging';
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}
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return 'production';
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}
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/** Shown on About screen for dev/staging builds only (never production Release). */
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export function shouldShowAboutBackendUrl(variant: AppVariant = appVariant): boolean {
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// Metro / 调试包：始终显示，避免 .env 误用 production variant 时看不到实际 API
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if (__DEV__) {
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return true;
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}
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return variant === 'development' || variant === 'staging';
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}
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export const appVariant = resolveAppVariant();
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export const config = {
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apiBaseUrl: trimTrailingSlashes(
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process.env.EXPO_PUBLIC_API_URL ?? 'http://192.168.10.151:8000',
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),
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wsBaseUrl: trimTrailingSlashes(
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process.env.EXPO_PUBLIC_WS_URL ?? 'ws://192.168.10.151:8000',
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),
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isDebugMode: __DEV__,
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appVariant,
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showAboutBackendUrl: shouldShowAboutBackendUrl(),
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api: {
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timeoutMs: 30_000,
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refreshPath: '/api/auth/refresh',
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},
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ws: {
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reconnectMaxRetries: 10,
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reconnectBaseDelayMs: 1_000,
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reconnectMaxDelayMs: 30_000,
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heartbeatIntervalMs: 30_000,
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/**
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* 仅当 App 处于 `background` 连续超过该毫秒数才释放当前会话 WebSocket。
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* 短暂切到其它应用再返回时保持连接，避免反复重连。
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*/
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backgroundDisconnectAfterMs: 300_000,
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},
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} as const;
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