Within this environment, you can read and modify most of the things you would want on a web page. Google Chrome Extension Architecture - Credit: Here we have 3 different environments and they are:īasic JavaScript files that are loaded on top of but NOT directly into a web page.Īn environment that is enough for most basic extensions to work. Here is an example of a simple manifest.json configuration: Anything from its name, to the many complex configuration setups one might need in order for their extension to work and be efficient in very different websites and pages. The purpose of the manifest.json configuration file is to provide to the browser all the needed information about the extension. But first, the only thing that is mandatory to have inside the Chrome Extension files is: The manifest.json file Explaining what is special about their executing environments and its scope. ![]() We will go over each and break down their architecture. Specifically, the most important thing when it comes to organizing how our software solution will do its work: communication through various interfaces: They are important because of the local architecture. Within this separated environment, we can organize the extension as having three big parts. In this post, we are describing the google chrome extension architecture. If you want a more in-depth guide, check out my full video tutorial on YouTube, An Object Is A.As we have gone over in the previous post that introduced Google Chrome Extensions to us, most of the execution environment where our code will be executing is separated from the JavaScript inside the regular web pages and is sandboxed separately. Start the REST server with an node app.js and you're good to go. send message to background script with email and passwordĬ(,ĭocument.getElementById('name').innerText = If we get a "success" from the background we'll change the page to the "Sign Out" page. In the popup-sign-in-script.js, when the user clicks on the button, we'll send a message to the background script asking to "login". We'll start by coding the basic skeletal logic flow of our app. Let's do some actual Chrome Extension programming. ![]()
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