deleteman

a = ["hello", "world"]

a.forEach ( (elem, idx, arr) => {
   console.log(elem, "at: ", idx, "inside: ", arr)
})
/*
hello at:  0 inside:  [ 'hello', 'world' ]
world at:  1 inside:  [ 'hello', 'world' ]
*/

deleteman

class Person {
    constructor(name)  {
        this.name = name
    }
}

function greet(person) {
    console.log(this.greeting.replace("$", person.name))
}

deleteman

const fs = require("fs")

async function read(fname) {
    return new Promise( (resolve, reject) => {
        fs.readFile(fname, (err, content) => {
            if(err) return reject(err)
            resolve(content.toString())
        })
    })
}

deleteman

const winston = require('winston');
const Elasticsearch = require('winston-elasticsearch');
 
const esTransportOpts = {
  level: 'info'
};

const logger = winston.createLogger({
  level: 'info',
  format: winston.format.json(),

deleteman

//Logging tests...
logger.info("Test!")
logger.error("This is an error message!")
logger.error("This is an error message with an object!", { error: true, message: "There was a problem!"})

deleteman

{
	"took": 994,
	"timed_out": false,
	"_shards": {
		"total": 1,
		"successful": 1,
		"skipped": 0,
		"failed": 0
	},
	"hits": {

deleteman

const esTransportOpts = {
  level: 'info',
  transformer: logData => {
      return {
        "@timestamp": (new Date()).getTime(),
        severity: logData.level,
        message: `[${logData.level}] LOG Message: ${logData.message}`,
        fields: {}
      }
  }

deleteman

const esTransportOpts = {
  level: 'info',
  clientOpts: {
      host: "http://your-host:your-port",
      log:"info"
  }
};

deleteman

{
  "name": "Project name",
  "version": "1.0.0",
  "description": "This is a basic description",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Fernando Doglio",
  "license": "ISC",

deleteman

let regExp = new RegExp('a|b');