lossless-cut/src/main/httpServer.ts

57 wiersze
1.6 KiB
TypeScript

import express from 'express';
import morgan from 'morgan';
import http from 'http';
import asyncHandler from 'express-async-handler';
import assert from 'assert';
import { homepage } from './constants.js';
import logger from './logger.js';
export default ({ port, onKeyboardAction }: {
port: number, onKeyboardAction: (a: string) => Promise<void>,
}) => {
const app = express();
// https://expressjs.com/en/resources/middleware/morgan.html
const morganFormat = ':remote-addr :method :url HTTP/:http-version :status - :response-time ms';
// https://stackoverflow.com/questions/27906551/node-js-logging-use-morgan-and-winston
app.use(morgan(morganFormat, {
stream: { write: (message) => logger.info(message.trim()) },
}));
const apiRouter = express.Router();
app.get('/', (_req, res) => res.send(`See ${homepage}`));
app.use('/api', apiRouter);
apiRouter.post('/shortcuts/:action', express.json(), asyncHandler(async (req, res) => {
// eslint-disable-next-line prefer-destructuring
const action = req.params['action'];
assert(action != null);
await onKeyboardAction(action);
res.end();
}));
const server = http.createServer(app);
server.on('error', (err) => logger.error('http server error', err));
const startHttpServer = async () => new Promise((resolve, reject) => {
// force ipv4
const host = '127.0.0.1';
server.listen(port, host, () => {
logger.info('HTTP API listening on', `http://${host}:${port}/`);
// @ts-expect-error tod
resolve();
});
server.once('error', reject);
});
return {
startHttpServer,
};
};