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code-server/packages/server/src/server.ts

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import { field, logger } from "@coder/logger";
import { ReadWriteConnection } from "@coder/protocol";
import { Server, ServerOptions } from "@coder/protocol/src/node/server";
import { NewSessionMessage } from '@coder/protocol/src/proto';
import { ChildProcess } from "child_process";
import * as express from "express";
import * as http from "http";
import * as ws from "ws";
import { forkModule } from "./vscode/bootstrapFork";
export const createApp = (registerMiddleware?: (app: express.Application) => void, options?: ServerOptions): {
readonly express: express.Application;
readonly server: http.Server;
readonly wss: ws.Server;
} => {
const app = express();
if (registerMiddleware) {
registerMiddleware(app);
}
const server = http.createServer(app);
const wss = new ws.Server({ server });
wss.shouldHandle = (req): boolean => {
// Should handle auth here
return true;
};
wss.on("connection", (ws) => {
const connection: ReadWriteConnection = {
onMessage: (cb): void => {
ws.addEventListener("message", (event) => cb(event.data));
},
close: (): void => ws.close(),
send: (data): void => {
try {
ws.send(data);
} catch (error) {
logger.error(error.message);
}
},
onClose: (cb): void => ws.addEventListener("close", () => cb()),
};
const server = new Server(connection, options ? {
...options,
forkProvider: (message: NewSessionMessage): ChildProcess => {
let proc: ChildProcess;
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if (message.getIsBootstrapFork()) {
proc = forkModule(message.getCommand());
} else {
throw new Error("No support for non bootstrap-forking yet");
}
return proc;
},
} : undefined);
});
/**
* We should static-serve the `web` package at this point.
*/
app.get("/", (req, res, next) => {
res.write("Example! :)");
res.status(200);
res.end();
});
return {
express: app,
server,
wss,
};
};