echoer

Print nice messages to console and push it via event emitter.

The echo message has object format:

{
  msg: string|object,
  method: 'log'|'objekt'|'error'|'image',
  time: string
}

Installation

$ npm install --save echoer

Example

/*** NodeJS script ***/
const { EventEmitter } = require('events');
const Echoer = require('echoer');

const eventEmitter = new EventEmitter();
eventEmitter.on('echoer', echoMsg => console.log('EVT::', echoMsg));

const echoer = new Echoer(true, 10, eventEmitter);
// echoer.short = false;

const f1 = async () => {
  await echoer.log('One', 'two', 3, { a: 22 }, true);
};

f1().catch(console.log);

API

constructor(short = true, delay = 100, eventEmitter)

• short - print long or short message
• delay - delay between two consecutive echoes (useful in loops)
• eventEmitter - external event emitter

log(...args:any) :void

Send comma separated strings to console log and event emitter. Use multiple parameters like in console.log, for example: await echoer.log('one', 'two', 12, {a: 88}) Bright green color.

warn(...args:any) :void

Send comma separated warnings to console log and event emitter. Use multiple parameters like in console.log, for example: await echoer.warn('Warning:', 'bad request', 404) Bright yellow color.

error(err:Error) :void

Send error to console log and event emitter. The error is converted to JS object {message, stack}. Usage: await echoer.error(new Error('Scraper error')) Bright red color.

objekt(obj:object) :void

Convert object to nice fomatted string and send it to console log and event emitter. Usage: await echoer.objekt({a:'str', b:55}) Bright blue color.

image(img_b64:string) :void

Send image in the base64 format to console log and event emitter. Usage: await echoer.image('v1w4fnDx9N5fD4t2ft93Y/88IaZLbaPB8+3O1ef+/+jfXqzzf...') Gray color.

License

The software licensed under AGPL-3.