mobilizon/get_union_json.ts

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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!");
}
});
});