generate.ts

// Save JSON of full schema introspection
import {graphql, introspectionQuery, printSchema} from "graphql";
import {writeFileSync} from "fs";
import {join} from "path";
import schema from "./index";

function generate() {
    (async () => {
        const result = await (graphql(schema, introspectionQuery));
        if (result.errors) {
            console.error(
                'ERROR introspecting schema: ',
                JSON.stringify(result.errors, null, 2)
            )
        } else {
            writeFileSync(
                join(__dirname, './schema.json'),
                JSON.stringify(result, null, 2)
            )
        }
    })();

    // Save user readable type system shorthand of schema
    writeFileSync(
        join(__dirname, './schema.graphql'),
        printSchema(schema)
    );
}

export default generate()