gistfile1.js

process.env.GRPC_SSL_CIPHER_SUITES =
  "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384";

var grpc = require("grpc");
var fs = require("fs");

const lndCert = fs.readFileSync("/home/bitcoin/.lnd/tls.cert");

const credentials = grpc.credentials.createSsl(lndCert);
const lnrpcDescriptor = grpc.load("rpc.proto");
const lnrpc = lnrpcDescriptor.lnrpc;

let metadata = new grpc.Metadata();
let macaroonHex = fs.readFileSync("/home/bitcoin/.lnd/admin.macaroon").toString("hex");
metadata.add("macaroon", macaroonHex);

let macaroonCreds = grpc.credentials.createFromMetadataGenerator(
  (params, callback) => callback(null, metadata)
);

let creds = grpc.credentials.combineChannelCredentials(
  credentials,
  macaroonCreds
);

let lightning = new lnrpc.Lightning("thedeathnode:10009", creds);

lightning.getInfo({}, function(err, response) {
  console.log("getInfo: ", err);
  console.log("getInfo: ", response);
});

Bezpol here:

process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";
process.env.GRPC_SSL_CIPHER_SUITES = "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384"

const lndCert = fs.readFileSync("/home/administrator/.lnd/tls.cert")

const credentials = grpc.credentials.createSsl(lndCert)
const lnrpcDescriptor = grpc.load("rpc.proto")
const lnrpc = lnrpcDescriptor.lnrpc

              let metadata = new grpc.Metadata();
              let macaroonHex = fs.readFileSync("/home/administrator/.lnd/data/admin.macaroon").toString("hex");
              metadata.add('macaroon', macaroonHex);

              let macaroonCreds = grpc.credentials.createFromMetadataGenerator((params, callback) =>
                  callback(null, metadata)
              )

              let creds = grpc.credentials.combineChannelCredentials(credentials, macaroonCreds);
              
            
            let lightning = new lnrpc.Lightning('127.0.0.1:10009')

Last line mistake must be let lightning = new lnrpc.Lightning('127.0.0.1:10009', creds)

I have full working nodejs app with web pages working with lnd. Now I am connecting clight and eclair. Bezpol.