Generate a SDL graphql string from a introspection schema result

from-introspection-schema-result-to-graphql-sdl.js

const { buildClientSchema, printSchema } = require('graphql');

const fs = require('fs');

const introspectionSchemaResult = JSON.parse(
  fs.readFileSync('./graphql.schema.json')
);

const graphqlSchemaObj = buildClientSchema(introspectionSchemaResult);
const sdlString = printSchema(graphqlSchemaObj);

console.log(sdlString);