simple-node-framework/lib/util/helpers.js

Simple nodeJs framework that provides easy ways to use log, cache, database, session, redis, share request scope and more.

const { v4: uuidv4 } = require('uuid');

// this class has many helper methods
class Helper {
    // replace params in a string
    // ex.: resolveURL('http://google.com/profile/:id', {':id': cpf })
    static replaceWith(input, replace) {
        let newValue;
        let output = input;

        /* eslint-disable no-restricted-syntax */
        /* eslint-disable guard-for-in */

        for (const oldValue in replace) {
            newValue = replace[oldValue];
            output = input.replace(RegExp(oldValue, 'g'), newValue);
        }
        /* eslint-enable */

        return output;
    }

    // retrieves the restify request id and returns without the traces "-"
    static requestId(req) {
        if(!req) return '' 
        
        req.id = req.headers['request_id'] || req.id || uuidv4().replace(/-/g, '');
        
        return req.id;
    }
}

module.exports = Helper;