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import * as http from "http";
import * as fs from "fs";
import { query } from "./query";
const hostname = "localhost";
const port = 3000;
function readFiles(l: Array<string>) {
let m = new Map<string,ArrayBuffer>();
for (const fn of l) {
m.set(fn, fs.readFileSync(fn));
}
return m;
}
const files: Map<string,ArrayBuffer> = readFiles(["index.html", "style.css", "client.js"]);
async function readBody(req: http.IncomingMessage): Promise<string> {
return new Promise((resolve, reject) => {
let chunks: Buffer[] = [];
req.on('data', (chunk: Buffer) => {
chunks.push(chunk);
});
req.on('end', () => {
resolve(Buffer.concat(chunks).toString());
});
});
}
const server = http.createServer(async (req: http.IncomingMessage,res) => {
switch (req.url) {
case "/":
res.statusCode = 200;
res.end(files.get("index.html"));
break;
case "/style.css":
res.statusCode = 200;
res.end(files.get("style.css"));
break;
case "/client.js":
res.statusCode = 200;
res.end(files.get("client.js"));
break;
case "/query":
if (req.method !== 'POST') {
res.statusCode = 405;
res.end('Must use POST');
return;
}
res.statusCode = 200;
let body = await readBody(req);
let response = await query(body);
res.end(response);
break;
default:
res.statusCode = 404;
res.setHeader('Content-Type', 'text/html');
res.end('Not found!');
}
});
server.listen(port, hostname, () => {});
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