@graphql-mesh/http/esm/graphqlHandler.js

import { createYoga, useLogger } from 'graphql-yoga';
import { memoize1 } from '@graphql-tools/utils';
import { handleMaybePromise } from '@whatwg-node/promise-helpers';
export const graphqlHandler = ({ getBuiltMesh, playgroundTitle, playgroundEnabled, playgroundOffline, graphqlEndpoint, corsConfig, batchingLimit, healthCheckEndpoint = '/healthcheck', extraParamNames, renderGraphiQL: renderGraphiQLFn, }) => {
    const getYogaForMesh = memoize1(function getYogaForMesh(mesh) {
        const yogaOptions = {
            plugins: [
                ...mesh.plugins,
                useLogger({
                    skipIntrospection: true,
                    logFn: (eventName, { args }) => {
                        if (eventName.endsWith('-start')) {
                            mesh.logger.debug(`\t headers: `, args.contextValue.headers);
                        }
                    },
                }),
            ],
            extraParamNames,
            logging: mesh.logger,
            maskedErrors: false,
            graphiql: playgroundEnabled && {
                title: playgroundTitle,
            },
            cors: corsConfig,
            graphqlEndpoint,
            landingPage: false,
            batching: batchingLimit ? { limit: batchingLimit } : false,
            healthCheckEndpoint,
            disposeOnProcessTerminate: true,
        };
        if (playgroundEnabled && playgroundOffline) {
            if (!renderGraphiQLFn) {
                throw new Error('serve.playground.offline is enabled but renderGraphiQL was not provided. Import `renderGraphiQL` from `@graphql-yoga/render-graphiql` and pass it to createMeshHTTPHandler (generated Mesh artifacts do this automatically).');
            }
            yogaOptions.renderGraphiQL = renderGraphiQLFn;
        }
        const yoga = createYoga(yogaOptions);
        // Dispose Yoga instance when the Mesh instance is destroyed
        const id = mesh.pubsub.subscribe('destroy', () => {
            const unsubscribe = () => {
                return mesh.pubsub.unsubscribe(id);
            };
            // eslint-disable-next-line @typescript-eslint/no-floating-promises
            handleMaybePromise(() => yoga.dispose(), unsubscribe, unsubscribe);
        });
        return yoga;
    });
    return (request, ctx) => getBuiltMesh().then(mesh => getYogaForMesh(mesh).handleRequest(request, ctx));
};