To achieve this in a streamlined fashion, we use webpack. Let’s use Terser in this example to minify the React application. In this section, we will look at the process of configuring a minifier for a React app. Configuring minifiers for React with webpack You can find the results for other web frameworks in the Babel repo. The comparative benchmarking results from the Babel repository provide some stats for these tools, which can help you choose the right minifier for your project:Īs we can see, Terser performs the best for projects based on React. There are various plugins available, too. It directly improves the efficiency of transferring this over the network and runs on browsers because Babel can transpile the code. The size of this file is 135B, which is a nearly 40 percent reduction and a much better way to minify the code. The code below shows a sample JavaScript code for creating an array and initializing it with the first 20 integer values: var array = įor (var i = 0 i v4, Terser is used by default (the most recent release at the time of writing is Terser v5.7.1.) Terser can be enabled by switching a boolean variable, like this: module.exports = var hello="hello world",s=new sample(hello) s.printvar() Let’s look at an example to demonstrate how minification works. These unnecessary characters usually include: Minification (also called minimization) is the process of removing all unnecessary characters from the source code of interpreted programming languages or markup languages without changing their functionality. Configuring minifiers for React with webpack.We’ll explain why Terser is more performant and demonstrate how to use the Terser webpack plugin, as well as webpack plugins for UglyJS and babel-minify. In this tutorial, we’ll introduce you to Terser, a JavaScript parser and mangler/compressor toolkit for ES6 and above, and compare it with similar minification tools UglifyJS and babel-minify. It may still contain some information that is out of date. babel-minify: Comparing JavaScript minifiersĮditor’s note: This tutorial was last updated on 1 July 2021 to remove outdated information and to highlight Terser’s rise in popularity since the original date of publication. Curious about technology and the economics of the tech industry. Karthik Kalyanaraman Follow Software engineer.
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