import fetch from "node-fetch"; import fs from "fs"; fetch(`http://localhost:4000/api`, { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ variables: {}, query: ` { __schema { types { kind name possibleTypes { name } } } } `, }), }) .then((result) => result.json()) .then((result) => { // here we're filtering out any type information unrelated to unions or interfaces const filteredData = result.data.__schema.types.filter( (type) => type.possibleTypes !== null ); result.data.__schema.types = filteredData; fs.writeFile("./fragmentTypes.json", JSON.stringify(result.data), (err) => { if (err) { console.error("Error writing fragmentTypes file", err); } else { console.log("Fragment types successfully extracted!"); } }); });