App like navigation?

routes.js

import isEqual from 'lodash/isEqual';

function extractPathSegments(pathname) {
  return pathname
    .split('/')
    .filter(str => str)
    .map(str => `/${str}`);
}

function lastLocationIsParent(lastLocationPathname, currentLocationPathname) {
  const lastLocation = {
    pathname: '/sign-in/tel',
  };
  const currentLocation = {
    pathname: '/sign-in/tel/verify',
  };

  const lastLocationSegments = extractPathSegments(lastLocation.pathname);
  const currentLocationSegments = extractPathSegments(currentLocation.pathname);
  const currentLocationsParentSegments = currentLocationSegments.slice(0, -1);

  const isLastLocationParent = isEqual(
    lastLocationSegments,
    currentLocationsParentSegments
  );

  return isLastLocationParent;
}

function lastLocationIsSibling(lastLocationPathname, currentLocationPathname) {
  const isLastLocationParent = lastLocationIsParent(
    lastLocationPathname,
    currentLocationPathname
  );

  const lastLocationSegments = extractPathSegments(lastLocation.pathname);
  const currentLocationSegments = extractPathSegments(currentLocation.pathname);

  const areSegmentsEqualInLength = lastLocationSegments.length === currentLocationSegments.length;
  const isLastLocationSibling = isLastLocationParent && areSegmentsEqualInLength;

  return isLastLocationSibling;
}

const lastLocation = {
  pathname: '/sign-in/tel',
};
const currentLocation = {
  pathname: '/sign-in/tel/verify',
};

const isLastLocationParent = lastLocationIsParent(
  lastLocation.pathname,
  currentLocation.pathname
);
const isLastLocationSibling = lastLocationIsSibling(
  lastLocation.pathname,
  currentLocation.pathname
);

console.log(isLastLocationParent);
console.log(isLastLocationSibling);