packages/node_modules/pouchdb-fetch/src/fetch-browser.js

'use strict';

// AbortController was introduced quite a while after fetch and
// isnt required for PouchDB to function so polyfill if needed
var a = (typeof AbortController !== 'undefined')
    ? AbortController
    : function () { return {abort: function () {}}; };

var f = fetch;
var h = Headers;

export {f as fetch, h as Headers, a as AbortController};