MongoDB Stitch is MongoDB's backend-as-a-service solution. Stitch supports a wide variety of high-level features, like Twilio integration and field-level access control, but it also supports custom functions similar to Amazon Web Services' Lambda. In this article, I'll walk you through setting up backend application in MongoDB Stitch on top of MongoDB Atlas. This backend application regularly ingests stock price data from the IEX API and exposes an REST API endpoint for loading a stock's latest price.

Buffers are Node.js' built-in type for storing arbitrary binary data. Because most Node.js developers don't use buffers much beyond occasionally reading data from a file,

JavaScript introduced destructuring assignments as part of the 2015 edition of the JavaScript language spec. Destructuring assignments let you assign multiple variables in a single statement, making it much easier to pull values out of arrays and objects.

Service workers are a versatile API used for numerous exciting new browser features, from pre-fetching resources to push notifications. One interesting feature is the Cache API, which lets you store

One of the most exciting features of MongoDB Stitch is the ability to read and write

The redux-saga module is a plugin for redux that runs generator-based functions in response to redux actions. Redux-saga generator functions are nice because they behave like co: if you yield a promise, redux-saga will unwrap the promise for you and throw a catchable error if the promise rejects. If you read The 80/20 Guide to ES2015 Generators, a simple saga should look familiar. However, redux-saga intends to keep using generators rather than async/await. In this article, I'll provide a basic example of using redux-saga, explain why redux-saga can't move to async/await, and consider whether you even need redux-saga in the first place.

ES2018 introduces several new JavaScript language features that are great for Node.js developers. Promise.prototype.finally() is the most important new feature, but I think async iterators are a close second. In this article, I'll describe what you need to start using async iterators in Node.js. I'll also provide an example of how to use async iterators with Mongoose cursors.

Cypress is a powerful integration testing framework

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