Function to manually, programmatically compare active route to some other

isRouteMatching.js

const START = '/';
const trailingSlashRE = /\/?$/;

function isObjectEqual (a, b) {
  if ( a === void 0 ) a = {};
  if ( b === void 0 ) b = {};

  // handle null value #1566
  if (!a || !b) { return a === b }
  var aKeys = Object.keys(a);
  var bKeys = Object.keys(b);
  if (aKeys.length !== bKeys.length) {
    return false
  }
  return aKeys.every(function (key) {
    var aVal = a[key];
    var bVal = b[key];
    // check nested equality
    if (typeof aVal === 'object' && typeof bVal === 'object') {
      return isObjectEqual(aVal, bVal)
    }
    return String(aVal) === String(bVal)
  })
}

function isSameRoute (a, b) {
  if (b === START) {
    return a === b
  } else if (!b) {
    return false
  } else if (a.path && b.path) {
    return (
      a.path.replace(trailingSlashRE, '') === b.path.replace(trailingSlashRE, '') &&
      a.hash === b.hash &&
      isObjectEqual(a.query, b.query)
    )
  } else if (a.name && b.name) {
    return (
      a.name === b.name &&
      a.hash === b.hash &&
      isObjectEqual(a.query, b.query) &&
      isObjectEqual(a.params, b.params)
    )
  } else {
    return false
  }
}