| 123456789101112131415 | import assertString from './util/assertString';import isBase64 from './isBase64';export default function isJWT(str) {  assertString(str);  var dotSplit = str.split('.');  var len = dotSplit.length;  if (len !== 3) {    return false;  }  return dotSplit.reduce(function (acc, currElem) {    return acc && isBase64(currElem, {      urlSafe: true    });  }, true);}
 |