@bitblit/ratchet-epsilon-common/lib/sample/sample-server-components-with-apollo.js

Tiny adapter to simplify building API gateway Lambda APIS

import { Logger } from '@bitblit/ratchet-common/logger/logger';
import { PromiseRatchet } from '@bitblit/ratchet-common/lang/promise-ratchet';
import { ApolloServer } from '@apollo/server';
import { gql } from 'graphql-tag';
import { ApolloServerPluginLandingPageLocalDefault } from '@apollo/server/plugin/landingPage/default';
import { ApolloFilter } from '../built-in/http/apollo-filter.js';
import { SampleServerStaticFiles } from './sample-server-static-files.js';
import { ApolloUtil } from '../built-in/http/apollo/apollo-util.js';
import { SampleServerComponents } from './sample-server-components';
import { EpsilonCorsApproach } from '../config/http/epsilon-cors-approach.js';
export class SampleServerComponentsWithApollo {
    constructor() { }
    static async createSampleApollo() {
        const gqlString = SampleServerStaticFiles.SAMPLE_SERVER_GRAPHQL;
        Logger.silly('Creating apollo from : %s', gqlString);
        const typeDefs = gql(gqlString);
        const resolvers = {
            RootQueryType: {
                serverMeta: async (_root) => {
                    return { version: 'A1', serverTime: new Date().toISOString() };
                },
                forceTimeout: async (_root) => {
                    await PromiseRatchet.wait(1000 * 60 * 30);
                    return { placeholder: 'A1' };
                },
            },
        };
        const server = new ApolloServer({
            introspection: true,
            typeDefs,
            resolvers,
            plugins: [
                ApolloServerPluginLandingPageLocalDefault({ footer: false }),
            ],
        });
        await server.start();
        return server;
    }
    static async createSampleEpsilonConfig(label) {
        const cfg = await SampleServerComponents.createSampleEpsilonConfig(label);
        ApolloFilter.addApolloFilterToList(cfg.httpConfig.defaultMetaHandling.preFilters, new RegExp('.*graphql.*'), await SampleServerComponentsWithApollo.createSampleApollo(), {
            context: (arg) => ApolloUtil.defaultEpsilonApolloContext(arg, { jwtRatchet: SampleServerComponents.createSampleTokenManipulator().jwtRatchet }),
            timeoutMS: 5_000,
            corsMethod: EpsilonCorsApproach.All,
        });
        return cfg;
    }
}
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