schemaQuery.js

const {ENDPOINT1} = require('./endpoints');
const fetch = require('node-fetch');
const fs = require('fs');

fetch(ENDPOINT1, {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    variables: {},
    query: `
      {
        __schema {
          types {
            kind
            name
            possibleTypes {
              name
            }
          }
        }
      }
    `,
  }),
})
.then(result => result.json())
.then(result => {
    const filteredData = result.data.__schema.types.filter(
      type => type.possibleTypes !== null
    )
    result.data.__schema.types = filteredData;
    
    fs.writeFile('./graphql/fragmentTypes.json', JSON.stringify(result.data), err => {
      if (err) {
        console.error('Error writing fragmentTypes file', err);
      } else {
        console.log('Fragment types successfully extracted!');
      }
    });
});