@thimal/ssh2-promise/src/sshUtils.ts

Promise wrapper around SSH2 library

var readline = require('readline');
var Writable = require('stream').Writable;

var mutableStdout = new Writable({
  write: function(chunk:any, encoding:any, callback:Function) {
    if (!this.muted)
      process.stdout.write(chunk, encoding);
    callback();
  }
});
mutableStdout.muted = false;

export default {
    /**
     * Peek the array
     */
    peek: function(arr:Array<any>) {
        return arr[arr.length - 1]
    },
    /**
     * End pty socket session by sending kill signal
     * @param {*} socket 
     */
    endSocket: function(socket:any) {
        if(socket){
            if(socket.writable){
                socket.end('\x03');
                socket.signal('INT');
                socket.signal('KILL');
            }
            socket.close();
        }
    },
    /**
     * Prompt for asking anything
     */
    prompt: function(question:string, cb:Function) {
        var rl = readline.createInterface({
            input: process.stdin,
            output: mutableStdout,
            terminal: true
        });
        rl.question(question, function(password:string) {
            cb(password);
            rl.close();
        });
        mutableStdout.muted = true;
    },

    /**
     * Create a Deferred promise
     */
    createDeferredPromise: function(){
        var __resolve, __reject;
        var __promise = new Promise((resolve, reject) => {
            __resolve = resolve;
            __reject = reject;
        })
        return {
            promise: __promise,
            resolve: __resolve,
            reject: __reject
        }
    }
}