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graceful-error

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graceful-error - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

23

index.js

@@ -33,9 +33,10 @@ class GracefulError extends Error {

INFO: 'info',
NOTICE: 'notice',
ALERT: 'alert',
WARN: 'warn',
ERROR: 'error',
ALERT: 'alert',
CRITICAL: 'critical',
};
function createError({ message, appId, logIndex, code, level, feature }, context) {
function createError({ message, appId, logIndex, code, level, feature }, context = {}) {
let err = new GracefulError({ message, appId, logIndex, code, level, feature, context });

@@ -45,5 +46,23 @@ return err;

function wrapError(err, options = {}, context = {}) {
if (err.name === 'GracefulError') {
return err;
}
let error = new GracefulError({
message: (options && options.message) || err.message,
appId: (options && options.appId) || err.appId,
logIndex: (options && options.logIndex) || err.logIndex,
code: (options && options.code) || err.code,
level: (options && options.level) || err.level,
feature: (options && options.feature) || err.feature,
context,
});
error.stack = err.stack;
return error;
}
module.exports = {
createError,
wrapError,
ErrorLevelEnum: Object.freeze(ErrorLevelEnum),
};

2

package.json
{
"name": "graceful-error",
"version": "1.0.0",
"version": "1.1.0",
"description": "",

@@ -5,0 +5,0 @@ "main": "index.js",

# graceful-error
### 一、基础介绍
GracefulError 在 Node 原生错误对象 Error 的基础之上,新增了 6 个属性,如下所示。
#### Node 原生错误对象自有属性

@@ -9,3 +13,3 @@

#### 扩展属性
#### 新增扩展属性

@@ -19,8 +23,43 @@ - appId 应用唯一标识

### API
### 二、API
#### 1. ErrorLevelEnum
ErrorLevelEnum 错误级别枚举对象,原始定义如下
```js
const ErrorLevelEnum = {
INFO: 'info',
NOTICE: 'notice',
ALERT: 'alert',
WARN: 'warn',
ERROR: 'error',
CRITICAL: 'critical',
};
```
示例代码:
```js
ErrorLevelEnum.INFO; // 'info'
ErrorLevelEnum.ERROR; // 'error'
```
#### 2. createError(options, context)
参数说明:
- options 错误配置对象
- options.message 错误描述信息
- options.appId 应用唯一标识
- options.logIndex 日志索引
- options.code 错误码
- options.level 错误级别,例如:info、warn、error
- options.feature 业务标识
- context 错误上下文对象,适用于存储一些错误上下文信息
示例代码:
```js
const { createError, ErrorLevelEnum } = require('graceful-error');
// 1.createError
const err = createError(

@@ -39,14 +78,27 @@ {

);
```
// 2.toJSON
const errJSON = err.toJSON();
#### 3. wrapError(err, options, context)
// 3.ErrorLevelEnum 可选值
const ErrorLevelEnum = {
INFO: 'info',
WARN: 'warn',
ERROR: 'error',
ALERT: 'alert',
CRITICAL: 'critical',
};
将一个错误对象包装成 GracefulError 类型的错误。
参数说明:
- err 原始的错误对象
- options 同 createError options 参数
- context 同 createError context 参数
```js
const { wrapError } = require('graceful-error');
const oldError = new Error('hello world');
const newError = wrapError(oldError);
```
#### 4. toJSON()
将 err 错误对象转换成一个 JSON 对象
```js
const errJSON = err.toJSON();
```
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