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9fdb075 872fa61 9fdb075 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | /**
* Error Utilities
* 统一错误处理工具
*/
import type { ErrorResponse } from '../types'
/**
* 应用错误基类
*/
export class AppError extends Error {
public readonly statusCode: number
public readonly isOperational: boolean
public readonly details?: any
constructor(
message: string,
statusCode: number = 500,
isOperational: boolean = true,
details?: any
) {
super(message)
this.statusCode = statusCode
this.isOperational = isOperational
this.details = details
// 维护正确的原型链
Object.setPrototypeOf(this, new.target.prototype)
Error.captureStackTrace(this)
}
/**
* 转换为 API 错误响应
*/
toJSON(): ErrorResponse {
return {
error: this.message,
details: this.details,
statusCode: this.statusCode
}
}
}
/**
* 验证错误（400）
*/
export class ValidationError extends AppError {
constructor(message: string, details?: any) {
super(message, 400, true, details)
this.name = 'ValidationError'
}
}
/**
* 未找到错误（404）
*/
export class NotFoundError extends AppError {
constructor(message: string = 'Resource not found', details?: any) {
super(message, 404, true, details)
this.name = 'NotFoundError'
}
}
/**
* 认证错误（401）
*/
export class AuthenticationError extends AppError {
constructor(message: string = 'Authentication required', details?: any) {
super(message, 401, true, details)
this.name = 'AuthenticationError'
}
}
/**
* 权限错误（403）
*/
export class ForbiddenError extends AppError {
constructor(message: string = 'Access forbidden', details?: any) {
super(message, 403, true, details)
this.name = 'ForbiddenError'
}
}
/**
* 冲突错误（409）
*/
export class ConflictError extends AppError {
constructor(message: string, details?: any) {
super(message, 409, true, details)
this.name = 'ConflictError'
}
}
/**
* 内部服务器错误（500）
*/
export class InternalError extends AppError {
constructor(message: string = 'Internal server error', details?: any) {
super(message, 500, false, details)
this.name = 'InternalError'
}
}
/**
* 服务不可用错误（503）
*/
export class ServiceUnavailableError extends AppError {
constructor(message: string = 'Service temporarily unavailable', details?: any) {
super(message, 503, true, details)
this.name = 'ServiceUnavailableError'
}
}
/**
* 超时错误（504）
*/
export class TimeoutError extends AppError {
constructor(message: string = 'Request timeout', details?: any) {
super(message, 504, true, details)
this.name = 'TimeoutError'
}
}
/**
* 任务取消错误 499
*/
export class JobCancelledError extends AppError {
constructor(message: string = 'Job cancelled', details?: any) {
super(message, 499, true, details)
this.name = 'JobCancelledError'
}
}
/**
* 判断是否为应用错误
*/
export function isAppError(error: any): error is AppError {
return error instanceof AppError
}
/**
* 判断是否为操作性错误（可恢复）
*/
export function isOperationalError(error: any): boolean {
if (isAppError(error)) {
return error.isOperational
}
return false
}
/**
* 格式化错误信息
*/
export function formatError(error: any): ErrorResponse {
if (isAppError(error)) {
return error.toJSON()
}
// 处理 Zod 验证错误
if (error.name === 'ZodError') {
return {
error: 'Validation failed',
details: error.errors,
statusCode: 400
}
}
// 默认错误
return {
error: error.message || 'Internal server error',
statusCode: 500
}
}
/**
* 从错误中提取状态码
*/
export function getStatusCode(error: any): number {
if (isAppError(error)) {
return error.statusCode
}
if (error.name === 'ZodError') {
return 400
}
return 500
} |