Parcel tries to give you “blazing fast” bundling as it uses multiple worker processes to ensure that the compilation process is executed in parallel on multiple cores without the need of any configuration. ES2015 module format) to write your code and tries to get really small builds with the help of dead code elimination. Rollup, on the other hand, came up with the idea of using a standardised format (i.e. It’s very flexible and has a huge amount of plugins for every use-case you could imagine. it can include any type of file, even non-javascript files) and code splitting. Webpack was designed to solve the problems of asset management (i.e. Here we will be focusing on comparision between webpack, rollup and parcel.Īll these bundlers came up with a different approach of solving a problem which existing tools couldn’t solve. There are a lot of module bundlers in market today like webpack, browserify, rollup, parcel etc. Less data means less browser processing time.Īpart from creating a bundle and minifying the code, a module bundler also provides features for good developer experience such as hot reloading, code splitting etc. are removed from the file and its minified version is created and whenever a request comes from the browser that minified version is sent back. all the unnecessary characters like space, comma, comments etc. Module bundling can also include a minification step i.e. In order to overcome this we usually create a single bundled file which will integrate all the other files and that bundled file is sent to browser. Add the script tag for each file that we are using in correct order of dependency.įor each script tag, browser will send the request to the server which will have bad effect on the performance of our application.We keep our javascript in separate files and folders based on functionality.When we write our code in a modular pattern: Module Bundling, on a high level, is a process of integrating together a group of modules in a single file so that multiple modules can be sent to the browser in a single bundle.
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