Laravel Development: How to write CSS and JavaScript using Laravel Mix?

Laravel Development: How to write CSS and JavaScript using Laravel Mix?

Laravel Mix is ​​a build tool built into the Laravel framework. It can be used to write and package front-end resources such as CSS, JavaScript, and images, as well as optimize automatic loading and compilation functions, allowing developers to more easily manage and Build front-end resources.

In this article, we will learn step by step how to write CSS and JavaScript using Laravel Mix.

Installing Laravel Mix

Before you start using Laravel Mix to write CSS and JavaScript, you first need to install Laravel Mix in your Laravel project. You can use the following command:

npm install
npm install laravel-mix --save-dev

This will install Laravel Mix and its dependencies.

Writing CSS

Laravel Mix provides many convenient ways to write CSS. You can use a CSS compiler, such as Sass or Less, to make your CSS more readable. Additionally, Laravel Mix provides some useful methods such as automatically adding CSS prefixes and compressing and optimizing CSS.

The following is a sample code for writing CSS using Laravel Mix:

// 导入Laravel Mix
const mix = require('laravel-mix');
// 编译并打包CSS
mix.sass('resources/sass/app.scss', 'public/css')
// 自动添加CSS前缀
.options({
    postCss: [
        require('autoprefixer')({
            browsers: ['last 3 versions', 'iOS >= 8', 'Safari >= 8']
        })
    ]
})
// 压缩和优化CSS
.minify('public/css/app.css');

In the above code, we used Sass to write CSS, compiled it into CSS, and then packaged it into public /css directory. We also used auto-added CSS prefixes to ensure a consistent look across browsers, and compressed and optimized the CSS to improve page load speeds.

Writing JavaScript

Laravel Mix also provides many convenient ways to write JavaScript. You can use Babel to transpile ES6 or higher JavaScript to ensure your code runs in a variety of browsers. Additionally, Laravel Mix provides some useful methods such as compressing and optimizing JavaScript.

The following is a sample code for writing JavaScript using Laravel Mix:

// 导入Laravel Mix
const mix = require('laravel-mix');
// 编译并打包JavaScript
mix.js('resources/js/app.js', 'public/js')
// 转换ES6或更高版本的JavaScript
.babel('public/js/app.js', 'public/js')
// 压缩和优化JavaScript
.minify('public/js/app.js');

In the above code, we have used Babel to convert ES6 or higher JavaScript and package the compiled JavaScript Go to the public/js directory. We've also compressed and optimized JavaScript to improve page loading speeds.

Summary

This article introduces how to use Laravel Mix to write CSS and JavaScript. We learned how to write CSS using Sass, how to convert JavaScript using Babel, and how to automatically prefix, compress, and optimize CSS and JavaScript. Laravel Mix is ​​a very powerful tool that helps us manage and build front-end resources more easily. If you are developing with Laravel, then it is highly recommended that you use Laravel Mix to manage and compile front-end resources.

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