mirror of
https://github.com/yyhuni/xingrin.git
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38 lines
1.1 KiB
TypeScript
38 lines
1.1 KiB
TypeScript
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/**
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* 环境变量与运行时配置工具
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*/
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const DEFAULT_DEV_BACKEND_URL = 'http://localhost:8888'
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const stripTrailingSlash = (url: string) => url.replace(/\/+$/, '')
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/**
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* 获取后端基础地址（用于绕过 Next.js 代理，保证 SSE 等长连接可用）
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*/
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export function getBackendBaseUrl(): string {
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const envUrl = process.env.NEXT_PUBLIC_BACKEND_URL?.trim()
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if (envUrl) {
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return stripTrailingSlash(envUrl)
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}
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if (typeof window !== 'undefined') {
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const origin = window.location.origin
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// 本地开发时，默认后端运行在 8888 端口
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if (window.location.hostname === 'localhost' && window.location.port === '3000') {
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return stripTrailingSlash(DEFAULT_DEV_BACKEND_URL)
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}
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return stripTrailingSlash(origin)
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}
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return stripTrailingSlash(DEFAULT_DEV_BACKEND_URL)
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}
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/**
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* 拼接后端 API 地址（会自动处理多余斜杠）
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*/
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export function buildBackendUrl(path: string): string {
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const base = getBackendBaseUrl()
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const normalizedPath = path.startsWith('/') ? path : `/${path}`
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return `${base}${normalizedPath}`
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}
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