If you are a front-end developer, I’m pretty sure that you have heard of Webpack or you saw it in a project. You may know something about it, for example how it works, or you may even have no clue at all. Either way, I hope that after reading this article you will probably feel comfortable enough to understand Webpack.
WHAT IS WEBPACK?
Webpack is a popular module bundler that can also act as a module loader. It can load modules on demand as they are needed by the application, in addition to bundling modules. This technique employs a dependency graph to determine the loading and execution order of modules.
HISTORY OF WEBPACK
WHEN WE NEED WEBPACK?
- When you want to use third-party libraries or frameworks in your application. Webpack can help you manage the dependencies for these libraries and make sure that they are included in the final bundle in the correct order.
- When you want to optimize your application’s performance by reducing the size of the code that needs to be downloaded by the browser. It can use various techniques like tree shaking, code splitting, and minification to make your code smaller and more efficient.
HOW IT WORKS
- Once it has found the entry point, Webpack uses a process called “dependency resolution” to determine all of the modules and files that are required to run the application. It creates a “dependency graph” that shows the relationships between all of these modules.
- Webpack optimizes the code by applying techniques like minification, dead code elimination, and tree shaking before outputting the bundled code.
- Finally, It generates bundled code and assets like images, fonts, and stylesheets for serving to the browser.
You can get more detail with the example configuration below.
Here is a simple example of a basic configuration file for Webpack:
In this example, we are telling Webpack to use
To use this configuration, create a file named
webpack.config.js in the root directory of your project and copy the code above into it. Then, install Webpack and the necessary plugins and loaders using npm or yarn:
Once you have installed its, you can run it from the command line using:
This will run Webpack with the default configuration file (
webpack.config.js) in the current directory.
In the years since its initial release, Webpack has undergone numerous updates and improvements. It has become one of the most popular tools in the web development community. Today, developers around the world use it to build and bundle complex web applications, making it an essential part of the modern web development toolkit.
You can read more on the official documentation: https://webpack.js.org/
I hope you are excited enough to explore more options and ways of doing things with its. That’s all for now, hope to be back soon with another awesome topic.
Check more useful articles to read here: https://topsquad.dev/blog/