Sandbox::https://github.com/makeplane/iframely/blob/main/logging.js

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import moment from 'moment';

import CONFIG from './config.loader.js';

export default function log() {

var args = Array.prototype.slice.apply(arguments);

// Add ip if request provided.

var request = args[0];

if (request && request.headers) {

args.shift();

var remote_addr = request.headers['x-forwarded-for'] || request.connection.remoteAddress;

if (remote_addr) {

args.splice(0, 0, remote_addr, '-');

}

if (CONFIG.LOG_DATE_FORMAT) {

args.splice(0, 0, "--", moment().utc().format(CONFIG.LOG_DATE_FORMAT) + process.pid);

} else {

args.splice(0, 0, "--", "pid:" + process.pid);

}

console.log.apply(console, args);

};