@sense-os/error v0.3.0

Sense Error

Inheritable error class in JS

How to install

Run npm install @sense-os/error --save.

How to use

// Importing can be different based on the environment. Please check the next section in the README
import * from SenseError from '@sense/error';

class ErrorA extends SenseError {};
class ErrorB extends SenseError {};

try {
    throw new ErrorA();
} catch (e) {
    if (e instanceOf ErrorA)
        console.log('Error type A');
    if (e instanceOf ErrorB)
        console.log('Error type B');
}

try {
    throw new ErrorB();
} catch (e) {
    const errorMap = {
        [ErrorA]: () => console.log('Error type A'),
        [ErrorB]: () => console.log('Error type B')
    };
    // Prepare the case that the `errorMap` doesn't have the key about `e`
    (errorMap[e] | () => {})();
}

Importing based on environment

On Node.js (and the packagers that understand require and module.exports) environment

var SenseError = require('@sense/error');

On TypeScript environment

import SenseError = require('@sense/error');

With the target compiler option es2015 or higher

import * as SenseError from '@sense/error';

If you turn the allowSyntheticDefaultImports compiler option true, you can import with:

import SenseError from `@sense/error';