react-query/examples/react/star-wars/src/Character.jsx

import React from 'react'
import {
  Typography,
  Link,
  Table,
  TableBody,
  TableCell,
  TableContainer,
  TableHead,
  TableRow,
  Paper,
} from '@mui/material'
import { useParams, Link as RouterLink } from 'react-router-dom'
import { useQuery } from '@tanstack/react-query'
import fetch from './fetch'

function Character() {
  let params = useParams()
  const characterId = params.characterId
  const { status, error, data } = useQuery({
    queryKey: ['character', characterId],
    queryFn: () => fetch(`https://swapi.dev/api/people/${characterId}/`),
  })

  if (status === 'pending') return <p>Loading...</p>
  if (status === 'error') return <p>Error :(</p>

  console.info({ data, status, error })
  const homeworldUrlParts = data.homeworld.split('/').filter(Boolean)
  const homeworldId = homeworldUrlParts[homeworldUrlParts.length - 1]

  if (status !== 'success') {
    return null
  }
  return (
    <div>
      <Typography variant="h2">{data.name}</Typography>
      <TableContainer component={Paper} style={{ maxWidth: '400px' }}>
        <Table size="small" aria-label="simple table">
          <TableHead>
            <TableRow>
              <TableCell>Feature</TableCell>
              <TableCell>Value</TableCell>
            </TableRow>
          </TableHead>
          <TableBody>
            <TableRow>
              <TableCell>Born</TableCell>
              <TableCell>{data.birth_year}</TableCell>
            </TableRow>
            <TableRow>
              <TableCell>Eyes</TableCell>
              <TableCell>{data.eye_color}</TableCell>
            </TableRow>
            <TableRow>
              <TableCell>Hair</TableCell>
              <TableCell>{data.hair_color}</TableCell>
            </TableRow>
            <TableRow>
              <TableCell>Height</TableCell>
              <TableCell>{data.height}</TableCell>
            </TableRow>
            <TableRow>
              <TableCell>Mass</TableCell>
              <TableCell>{data.mass}</TableCell>
            </TableRow>
            <TableRow>
              <TableCell>Homeworld</TableCell>
              <TableCell>
                <Homeworld id={homeworldId} />
              </TableCell>
            </TableRow>
          </TableBody>
        </Table>
      </TableContainer>
      <br />
      <Typography variant="h4">Films</Typography>
      {data.films.map((film) => {
        const filmUrlParts = film.split('/').filter(Boolean)
        const filmId = filmUrlParts[filmUrlParts.length - 1]
        return <Film id={filmId} key={`Film-${filmId}`} />
      })}
    </div>
  )
}

function Film(props) {
  const { id } = props
  const { data, status } = useQuery({
    queryKey: ['film', id],
    queryFn: () => fetch(`https://swapi.dev/api/films/${id}/`),
  })

  if (status !== 'success') {
    return null
  }
  return (
    <article key={id}>
      <Link component={RouterLink} to={`/films/${id}`}>
        <Typography variant="h6">
          {data.episode_id}. {data.title}
        </Typography>
      </Link>
    </article>
  )
}

function Homeworld(props) {
  const { id } = props
  const { data, status } = useQuery({
    queryKey: ['homeworld', id],
    queryFn: () => fetch(`https://swapi.dev/api/planets/${id}/`),
  })

  if (status !== 'success') {
    return null
  }

  return data.name
}

export default Character