node-global-listener/test/windows/writeKey/a.js

A lightweight and efficient Node.js package for capturing global keyboard and mouse events, supporting key presses, mouse movements, input simulation, and background operation.

const { spawn } = require("child_process");
const path = require("path")

const KeyEvents = (KeyCode, action) => { // keycode // actions('UP','DOWN')
    let Actions = { UP: false, DOWN: false };

    // check actions 
    if (action == "UP") { Actions.UP = true }
    else if (action == "DOWN") { Actions.DOWN = true }
    else { return 0; }

    // run windows keypress file to press up down keys
    const child = spawn(path.join(__dirname + "./a.exe"), [], {
        stdio: ["pipe", "pipe", "pipe"],
    });

    // read data of iexe file
    child.stdout.on("data", (data) => {
        // get exe response
        let reposne = data.toString();

        console.log(reposne, Actions)
        // check for options
        if (reposne.includes("Enter a option (0.Exit,1.KeyUp,2.KeyDown):")) {
            if (Actions.UP) {
                child.stdin.write("1\n")
            }
            else if (Actions.DOWN) {
                child.stdin.write("2\n")
            }
            else {
                child.stdin.write("0\n");
            }
        }
        else if (reposne.includes("Enter Key Code: ")) {
            setTimeout(() => {
                child.stdin.write(`${KeyCode}\n`);
                console.log("do")
                Actions = { UP: false, DOWN: false }
            }, 1000)
        }
        else {
            child.stdin.write("0\n");
        }
    });

    // Handle process exit when Ctrl+C is pressed on console
    process.on("SIGINT", () => {
        // console.log("kill");
        tdout.destroy();
        child.stdin.destroy();
    });

    // if any error occurs
    child.on("error", (message) => {
        // console.log(`error ${message}`);
        child.stdout.destroy();
        child.stdin.destroy();
    });
}



const KeyUp = (KeyCode) => {
    KeyEvents(KeyCode, "UP")
}

const KeyDown = (KeyCode) => {
    KeyEvents(KeyCode, "DOWN")
}

const KeyPress = (KeyCode, TIMEOUT = 80) => {
    KeyDown(KeyCode);
    setTimeout(() => {
        KeyUp(KeyCode);
    }, TIMEOUT)
}

module.exports = { KeyUp, KeyDown, KeyPress }