Head.js

import React, { useContext } from "react";
import { Navbar, Nav, NavDropdown, Button, Form } from "react-bootstrap";
import { useLocation } from "react-router-dom";
import { LinkContainer } from "react-router-bootstrap";
import mano from "./mano.svg";
import AuthContext from "./AuthContext";

function Head(props) {
  const auth = useContext(AuthContext);
  let location = useLocation();

  let adminNav;
  if (auth.role === "admin") {
    adminNav = (
      <NavDropdown title="Admin" id="admin">
        <LinkContainer to="/members/purchase">
          <NavDropdown.Item>Compra</NavDropdown.Item>
        </LinkContainer>
        <LinkContainer to="/members">
          <NavDropdown.Item>Socias</NavDropdown.Item>
        </LinkContainer>
        <LinkContainer to="/topup">
          <NavDropdown.Item>Recarga</NavDropdown.Item>
        </LinkContainer>
        <LinkContainer to="/members/add">
          <NavDropdown.Item>Nueva socia</NavDropdown.Item>
        </LinkContainer>
      </NavDropdown>
    );
  }
  return (
    <Navbar bg="light" expand="sm">
      <LinkContainer to="/">
        <Navbar.Brand>
          <img
            src={mano}
            width="30"
            height="30"
            className="d-inline-block align-top"
            alt="Garbanzo Negro"
          />
        </Navbar.Brand>
      </LinkContainer>
      <Navbar.Toggle aria-controls="basic-navbar-nav" />
      <Navbar.Collapse id="basic-navbar-nav">
        <Nav className="mr-auto" activeKey={location.pathname}>
          <LinkContainer to="/products">
            <Nav.Link>Productos</Nav.Link>
          </LinkContainer>
          <LinkContainer to="/purchase">
            <Nav.Link>Comprar</Nav.Link>
          </LinkContainer>
          {(auth.role === "order" || auth.role === "admin") && (
            <LinkContainer to="/order/create">
              <Nav.Link>Abrir pedido</Nav.Link>
            </LinkContainer>
          )}
        </Nav>

        <Nav className="ml-auto" activeKey={location.pathname}>
          <NavDropdown title="Ajustes" id="ajustes">
            <LinkContainer to="/password">
              <NavDropdown.Item>Cambiar contraseña</NavDropdown.Item>
            </LinkContainer>
          </NavDropdown>

          {adminNav}
        </Nav>
        <Form inline>
          <Button variant="outline-success" onClick={props.onLogout}>
            Salir
          </Button>
        </Form>
      </Navbar.Collapse>
    </Navbar>
  );
}

export default Head;