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server.ts
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server.ts
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/*
* Copyright 2020 大明二代
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import express from 'express';
import { ApolloServer } from '@apollo/server';
import { expressMiddleware } from '@apollo/server/express4';
import { ApolloServerPluginDrainHttpServer } from '@apollo/server/plugin/drainHttpServer';
import 'dotenv/config';
import http from 'http';
import { json } from 'body-parser';
import cors from 'cors';
import { Server } from 'socket.io';
import { middlewares } from './src/middlewares';
import { apiRouter } from './src/routes';
import { config } from './src/config';
import { IContext, contextBuilder } from './src/graphql/context';
import { resolvers } from './src/graphql/resolvers';
import { typeDefs } from './src/graphql/schemas';
import { logger } from './src/lib/logger';
import { initializePgBoss } from './src/service/pg-boss';
async function startServer() {
const app = express();
app.set('trust proxy', 1);
const serverConfig = config.server;
middlewares.forEach(mid => app.use(mid));
const httpServer = http.createServer(app);
const apolloServer = new ApolloServer<IContext>({
typeDefs,
resolvers,
plugins: [ApolloServerPluginDrainHttpServer({ httpServer })]
});
await apolloServer.start();
app.use(
'/graphql',
cors<cors.CorsRequest>(),
json(),
expressMiddleware(apolloServer, {
context: ({ req }) => Promise.resolve(contextBuilder(req))
})
);
app.use('/', apiRouter);
app.get('/static/index.html', (req, res) => {
res.sendFile(__dirname + '/static/index.html');
});
const io = new Server(httpServer);
io.on('connection', socket => {
logger.info('a user connected');
socket.on('chat message', msg => {
io.emit('chat message', `hi, ${msg}`);
});
socket.on('disconnect', () => {
logger.info('user disconnected');
});
});
await new Promise<void>(resolve =>
httpServer.listen({ port: serverConfig.port }, resolve)
);
logger.info(`🚀 The server has started on port ${serverConfig.port}`);
}
/* istanbul ignore if: main scope */
if (require.main === module) {
startServer();
initializePgBoss();
}