Conditional Catch

Catch me if you can

API

This module exports a class ConditionalCatch which should only be created via the static function ConditionalCatch.createFrom(error: Error).

The returned object contains the following methods:

• handle(conditionFn, thenFn): registers an condition check
• handleOrThrow(): Executes all registered handlers and if none matches throws the error

Installation

npm install conditional-catch

Example

 
const { ConditionalCatch } = require('conditional-catch')
 
// ...
 
try {
  // some action that throws errors
} catch (error) {
  ConditionalCatch.createFrom(error)
    .when(e => e instanceof SomeError, e => { log.error('Cought that nasty bug again which can be ignored', e); })
    .handleOrThrow();
}