@furystack/rest-service/esm/server-manager.js

Repository implementation for FuryStack

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var ServerManager_1;
import { Injectable } from '@furystack/inject';
import { EventHub } from '@furystack/utils';
import { createServer } from 'http';
import { Lock } from 'semaphore-async-await';
let ServerManager = class ServerManager extends EventHub {
    static { ServerManager_1 = this; }
    static DEFAULT_HOST = 'localhost';
    servers = new Map();
    openedSockets = new Set();
    listenLock = new Lock();
    getHostUrl = (options) => `http://${options.hostName || ServerManager_1.DEFAULT_HOST}:${options.port}`;
    onConnection = (socket) => {
        this.openedSockets.add(socket);
        socket.once('close', () => this.openedSockets.delete(socket));
    };
    async [Symbol.asyncDispose]() {
        try {
            await this.listenLock.waitFor(5000);
        }
        finally {
            this.openedSockets.forEach((s) => s.destroy());
            await Promise.allSettled([...this.servers.values()].map((s) => new Promise((resolve, reject) => {
                s.server.close((err) => (err ? reject(err) : resolve()));
                s.server.off('connection', this.onConnection);
            })));
            this.servers.clear();
            this.listenLock.release();
            super[Symbol.dispose]?.();
        }
    }
    async getOrCreate(options) {
        const url = this.getHostUrl(options);
        if (!this.servers.has(url)) {
            await this.listenLock.acquire();
            try {
                if (!this.servers.has(url)) {
                    await new Promise((resolve, reject) => {
                        const apis = [];
                        const server = createServer((req, res) => {
                            const apiMatch = apis.find((api) => api.shouldExec({ req, res }));
                            if (apiMatch) {
                                apiMatch.onRequest({ req, res }).catch((error) => {
                                    this.emit('onRequestFailed', [error, req, res]);
                                });
                            }
                            else {
                                res.destroy();
                            }
                        });
                        server.on('connection', this.onConnection);
                        server.on('listening', () => resolve());
                        server.on('error', (err) => reject(err));
                        server.listen(options.port, options.hostName);
                        this.servers.set(url, { server, apis });
                    });
                }
            }
            finally {
                this.listenLock.release();
            }
        }
        return this.servers.get(url);
    }
};
ServerManager = ServerManager_1 = __decorate([
    Injectable({ lifetime: 'singleton' })
], ServerManager);
export { ServerManager };
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