firebase-tools/templates/init/functions/javascript/index-ongraphrequest.js

Command-Line Interface for Firebase

/**
 * Import the onGraphRequest function trigger from its submodules:
 *
 * const {onGraphRequest} = require("firebase-functions/dataconnect/graphql");
 *
 * See a full list of supported triggers at https://firebase.google.com/docs/functions
 */

const {setGlobalOptions} = require("firebase-functions");
const {onGraphRequest} = require("firebase-functions/dataconnect/graphql");

// Start writing functions
// https://firebase.google.com/docs/functions/typescript

// For cost control, you can set the maximum number of containers that can be
// running at the same time. This helps mitigate the impact of unexpected
// traffic spikes by instead downgrading performance. This limit is a
// per-function limit. You can override the limit for each function using the
// `maxInstances` option in the function's options, e.g.
// `onRequest({ maxInstances: 5 }, (req, res) => { ... })`.
setGlobalOptions({maxInstances: 10});

const opts = {
  schemaFilePath: "dataconnect/schema___resolverId__/schema.gql",
  resolvers: {
    query: {
      // This resolver function populates the data for the "hello" field
      // defined in your GraphQL schema located at schemaFilePath.
      hello(_parent, args, _contextValue, _info) {
        return `Hello ${args.name}!`;
      },
    },
  },
};

exports.__resolverIdWithUnderscores__ = onGraphRequest(opts);