simple FIFO queue to execute async functions linear.
npm install async-queue
var AsyncQueue = require('async-queue');
new AsyncQueue(function (err, job) {
if (err) job.fail(err);
setTimeout(function () {
console.log('First job executed')
job.success();
}, 500);
}, function (err, job) {
console.log('Second job executed');
job.success();
}).run();
Output
First job executed
Second job executed
npm install
npm test