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Ajax: Overview

ajax is a small wrapper around fetch which:

  • Allows globally registering request and response interceptors
  • Throws on 4xx and 5xx status codes
  • Prevents network request if a request interceptor returns a response
  • Supports a JSON request which automatically encodes/decodes body request and response payload as JSON
  • Adds accept-language header to requests based on application language
  • Adds XSRF header to request if the cookie is present

Installation

npm i --save @lion/ajax

Relation to fetch

ajax delegates all requests to fetch. ajax.request and ajax.requestJson have the same function signature as window.fetch, you can use any online resource to learn more about fetch. MDN is a great start.