README.md

Usage

$ npm i
$ node last_event.js vehicles.4008

last_event.js

var autobahn = require('autobahn');
var colors = require('colors');

if (process.argv.length < 3) {
  console.error('Usage: last_event.js identifier'.yellow);
  return;
}

var connection = new autobahn.Connection({
   url: 'ws://shark-nyc1.transio.us:8080/ws',
   //url: 'ws://localhost:8080/ws',
   realm: 'realm1',
   authid: 'consumer1',
   authmethod: ['anonymous']
});

function getLastEvent(session, identifier) {
  var err = console.error.bind(this, identifier.red);

  session.call('meta.last_event', [identifier, identifier]).then(
      function (args) {
        if (args && args.length >= 1) {
          console.log(JSON.stringify(args[0][0], null, '  '));
        } else {
          err('meta.last_event unexpected response:', args);
        }
      },
      function (errArgs) {
        err(errArgs);
      }
  )
}

connection.onopen = function (session) {
  getLastEvent(session, process.argv[2]);
}

connection.open();

package.json

{
  "name": "last_event",
  "version": "0.1.0",
  "description": "",
  "main": "last_event.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Elliott Williams",
  "license": "ISC",
  "dependencies": {
    "autobahn": "^0.10.1",
    "colors": "^1.1.2"
  }
}