node-error
v0.1.5
Published
A library of extendable custom errors for node.js
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Error
Error is a library of extendable custom errors for node.js.
Installation
npm node-error --save
Usage
Errors in the library can be instantiated directly
var
LoggableError = require('node-error').LoggableError;
throw new LoggableError('message');
or extended using .extend(name, [attributes])
:
var
LoggableError = require('node-error').LoggableError;
var
attributes = function () {
return {
memoryUsage: process.memoryUsage()
};
},
CustomError = LoggableError.extend('CustomError', attributes);
The attributes
argument to the extend
method is optional.
It can be of type object or function.
The function executes upon error instantiation and it should return an object.
var
error = new CustomError('message');
console.log(error.attributes);
Errors
ExtendableError
ExtendableError is the base error to extend using .extend
method.
LoggableError
LoggableError is an error having the stack
property enumerable.
ProxiedError
var
ProxiedError = require('node-error').ProxiedError;
var
error = new ProxiedError(new Error());