75 lines
1.4 KiB
JavaScript
75 lines
1.4 KiB
JavaScript
/**
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* 统一错误处理中间件
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*/
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/**
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* 404 错误处理
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*/
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function notFound(req, res, next) {
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const error = new Error(`Not Found - ${req.originalUrl}`);
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error.statusCode = 404;
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next(error);
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}
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/**
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* 统一错误响应处理
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*/
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function errorHandler(err, req, res, next) {
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// 设置状态码
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const statusCode = err.statusCode || 500;
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// 开发环境返回详细错误信息，生产环境返回简化信息
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const isDevelopment = process.env.NODE_ENV === 'development';
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res.status(statusCode).json({
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success: false,
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message: err.message || '服务器内部错误',
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error: isDevelopment ? {
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stack: err.stack,
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...err
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} : undefined,
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statusCode
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});
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// 记录错误日志
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if (statusCode >= 500) {
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console.error('❌ Server Error:', {
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message: err.message,
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stack: err.stack,
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url: req.originalUrl,
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method: req.method,
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body: req.body,
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query: req.query,
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params: req.params
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});
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}
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}
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/**
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* 异步错误捕获包装器
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*/
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function asyncHandler(fn) {
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return (req, res, next) => {
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Promise.resolve(fn(req, res, next)).catch(next);
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};
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}
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/**
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* 自定义错误类
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*/
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class AppError extends Error {
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constructor(message, statusCode = 500) {
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super(message);
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this.statusCode = statusCode;
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this.isOperational = true;
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Error.captureStackTrace(this, this.constructor);
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}
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}
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module.exports = {
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notFound,
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errorHandler,
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asyncHandler,
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AppError
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};
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