must require continuation-local-storage before others

cls-minimal-test-case.js

/*
    You must require CLS first,

    In this example if you require request first, it closes over some dep before CLS could rewrite it
    
    1. run it as it the first time.
    2. then uncomment the first request and comment out the one at Line 15, then run it again.
 */

// var request = require('request');

var cls = require('continuation-local-storage');
var session = cls.createNamespace('session');

var request = require('request');


session.run(function() {
    cls.getNamespace('session').set('foo', 'bar');
    console.log("A", cls.getNamespace('session').get('foo'));

    request({url: 'https://google.com'}, function() {
        console.log("B", cls.getNamespace('session').get('foo'));
    });

    setTimeout(function() {
        console.log("C", cls.getNamespace('session').get('foo'));
    }, 3500);

    setImmediate(function() {
        console.log("D", cls.getNamespace('session').get('foo'));
    });
});