interceptor-fetch

fetch-interceptor

Intercept fetch requests

Install

$ npm install --save fetch-interceptor

or

$ yarn add fetch-interceptor

Usage

const FetchInterceptor = require('fetch-interceptor');
 
// Register interceptor hooks
const interceptor = FetchInterceptor.register({
  onBeforeRequest(request, controller) {
    // Hook before request
  },
  onRequestSuccess(response, request, controller) {
    // Hook on response success
  },
  onRequestFailure(response, request, controller) {
    // Hook on response failure
  }
});
 
// Make fetch requests to see interceptor in action
fetch('http://whatever.com/whatever');
 
// Reset interceptor once you're done
interceptor.unregister();

Documentation

https://itsfadnis.github.io/fetch-interceptor