text: import { React, useState } from 'react';
  import { useStaticQuery, graphql } from 'gatsby';
  import styled from '@emotion/styled';
  
  const Formulario = styled.form`
    width: 100%;
    display: flex;
    border: 1px solid #75AB00;
    margin: 2rem auto 0 auto;
    max-width: 1200px;
  
    @media(min-width: 300px) {
      width: 100%;
      border: 1px solid #75AB00;
      display: flex;
      margin: 0;
      max-width: 300px;
    }
  `;
  
  const Select = styled.select`
    flex: 1;
    padding: 1rem;
    appearance: none;
    border: none;
    font-family: 'Lato', sans-serif;
  
    @media(min-width: 300px) {
      flex: 1;
      max-width: 300px;
      border: none;
      margin: 0;
    }
  
  `;
  
  const useFiltro = () => {
  
    const resultado = useStaticQuery(graphql`
        query {
          allStrapiCategorias {
              nodes {
                nombre
                id
              }
          }
        }
    `);
    
    const categorias = resultado.allStrapiCategorias.nodes;
  
    const FiltroUI = () => (
      <Formulario>
        <Select>
          <option value="">--Seleccione--</option>
          {categorias.map(opcion => (
            <option key={opcion.id} value={opcion.nombre}>{opcion.nombre}</option>
          ))}
        </Select>
      </Formulario>
    )
  
    return {
      FiltroUI
    }
  
  }
  
  export default useFiltro;