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javascript get object without object name

Silly Spider answered on November 12, 2024 Popularity 3/10 Helpfulness 1/10

answer javascript get object without object name

related nestjs graceful shutdown

javascript get object without object name

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const dataSet = {
	name: ""
};

const objectValue = object.valueOf();

console.log(objectValue);

// name: ""

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: get javascript object

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Contributed on Nov 13 2024

Silly Spider

0 Answers Avg Quality 2/10

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nestjs graceful shutdown

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import { IncomingMessage, OutgoingMessage, Server } from "node:http";
import { Socket } from "node:net";
import { INestApplication } from "@nestjs/common";

export class GracefulShutdown {
  private connection: Map<any, any>;
  private env: string;
  private port: number;
  private gracefulShutdownTimer: number;
  private signals: string[];

  constructor() {
    this.connection = new Map();
    this.env = process.env.NODE_ENV || 'development';
    this.port = +process.env.PORT || 3000;
    this.gracefulShutdownTimer = this.env === "development" ? 5000 : 10000;
    this.signals = [
      "SIGTERM",
      "SIGINT",
      "SIGQUIT",
      "SIGHUP",
      "SIGABRT",
      "SIGALRM",
      "SIGUSR1",
      "SIGUSR2",
    ];
  }

  private sleep(timer: number): Promise<any> {
    return new Promise((resolve) => setTimeout(resolve, timer));
  }

  private close(server: Server, signal: string) {
    const socket: Socket = this.connection.get("connection");
    if (!socket?.closed) socket?.destroy();

    server.close(async (err) => {
      await this.sleep(this.gracefulShutdownTimer);
      this.connection.clear();

      if (!err) {
        console.info("Gracefull shutdown successfully");

        process.removeAllListeners();
        process.kill(process.pid, signal);
        process.exit(0);
      } else {
        console.info("Gracefull shutdown successfully");

        process.removeAllListeners();
        process.kill(process.pid, signal);
        process.exit(0);
      }
    });
  }


  listen(app: INestApplication): void {
    const server: Server = app.getHttpServer()

    server.on("connection", (socket: Socket): void => {
      if (socket) this.connection.set("connection", socket);
      else socket.destroy();
    });

    server.on("request", (req: IncomingMessage, _res: OutgoingMessage): void => {
        const socketRequest: Socket = req.socket;
        const socketConnection: Socket = this.connection.get("connection");

        if (!(socketRequest instanceof Socket) || !(socketConnection instanceof Socket)) {
          this.connection.clear();
          this.connection.set("connection", socketRequest);
        }
      },
    );

    this.signals.forEach((event: string) => {
      if (this.env === "development") {
        process.once(event, (signal: string): void => {
          console.info(`Server ${this.env} received signal: ${signal}`);
          this.close(server, signal);
        });
      } else {
        process.once(event, (signal: string): void => {
          console.info(`Server ${this.env} received signal: ${signal}`);
          this.close(server, signal);
        });
      }
    });

      const serverInfo: string = `Server is running on port ${this.port}`;
      server.listen(this.port, () => console.info(serverInfo));
  }
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: graceful-shutdown javascript nestjs

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Contributed on Nov 12 2024

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

javascript get object without object name

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javascript get object without object name

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nestjs graceful shutdown

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