76 lines
1.8 KiB
TypeScript
76 lines
1.8 KiB
TypeScript
type CustomErrorOptions = {
|
|
cause?: Error | string;
|
|
code?: number;
|
|
message?: string;
|
|
}
|
|
/** 自定义错误 */
|
|
export class CustomError extends Error {
|
|
code?: number;
|
|
data?: any;
|
|
message: string;
|
|
constructor(code?: number | string, opts?: CustomErrorOptions) {
|
|
let message = opts?.message || String(code);
|
|
const cause = opts?.cause;
|
|
super(message, { cause });
|
|
this.name = 'RouterError';
|
|
let codeNum = opts?.code || (typeof code === 'number' ? code : undefined);
|
|
this.code = codeNum ?? 500;
|
|
this.message = message!;
|
|
// 这一步可不写，默认会保存堆栈追踪信息到自定义错误构造函数之前，
|
|
// 而如果写成 `Error.captureStackTrace(this)` 则自定义错误的构造函数也会被保存到堆栈追踪信息
|
|
Error.captureStackTrace(this, this.constructor);
|
|
}
|
|
static fromCode(code?: number) {
|
|
return new this(code);
|
|
}
|
|
static fromErrorData(code?: number, data?: any) {
|
|
const error = new this(code);
|
|
error.data = data;
|
|
return error;
|
|
}
|
|
static parseError(e: CustomError) {
|
|
return {
|
|
code: e?.code,
|
|
data: e?.data,
|
|
message: e?.message
|
|
};
|
|
}
|
|
/**
|
|
* 判断 throw 的错误是否不是当前这个错误
|
|
* @param err
|
|
* @returns
|
|
*/
|
|
static isError(error: unknown): error is CustomError {
|
|
return error instanceof CustomError || (typeof error === 'object' && error !== null && 'code' in error);
|
|
}
|
|
parse(e?: CustomError) {
|
|
if (e) {
|
|
return CustomError.parseError(e);
|
|
} else {
|
|
const e = this;
|
|
return {
|
|
code: e?.code,
|
|
data: e?.data,
|
|
message: e?.message,
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
try {
|
|
//
|
|
} catch(e) {
|
|
if (e instanceof CustomError) {
|
|
const errorInfo = e.parse();
|
|
if (dev) {
|
|
return {
|
|
error: errorInfo,
|
|
};
|
|
} else {
|
|
return errorInfo;
|
|
}
|
|
}
|
|
}
|
|
*/
|