Prerequisite
Before we can dive into the fun bits, we need to cover some basics and setup the system. Automation scripts are written in JavaScript and executed either inside the user’s web browser or inside the specialized Corredor server.
Installation and setup
In order for Corteza system and automation scripts to function properly, you are required to firstly setup Corteza server and all relevant front-end web applications. After that you have to setup the Corredor server. Refer to [maint-index] for details on the detailed setup process.
Modern JavaScript
In order to tackle automation script development we strongly recommend becoming familiar with modern JavaScript, since all following examples heavily rely on it. If your knowledge of JavaScript is up to date, you can safely skip this subsection. The rest of the subsection provides a quick overview of the important bits, and points you to other resources for further reading.
About async/await and Promises
In short: Promises solve the problem of asynchronous code and remove the need for cumbersome callbacks via function parameters.
They provide a simple and readable syntax and error handling via .catch().
This MDN article goes into more details: about using promises.
About use of await/async syntactic sugar
The await keyword allows us to implement async code in a iterative like fashion by blocking execution until the promise resolves.
It’s important to note that the await keyword can only be used within async functions.
This MDN article goes into more details: about await.
The arrow function expression (⇒)
Arrow functions are used as a compact alternative to a regular function expression.
Most of the time, they can easily be used inside .then(), .catch() and .finally().
This MDN article goes into more details and exposes some limitations and why they can not completely replace regular functions: about arrow functions