What sets babel.config.js apart from vue.config.js and is it possible to merge both files together?

When setting up my Vue application using the Vue cli, I noticed that there was already a babel.config.js file in the directory created by the cli. However, I also added a vue.config.js file. I’m curious about the difference between these two files and whether or not they can be combined. The fact that they both end with "config.js" makes me wonder if they have any similarities.

Here is my babel.config.js file:

module.exports = {
  presets: [
    '@vue/cli-plugin-babel/preset'
  ]
}

And here is my vue.config.js file:

module.exports = {
    devServer: {
        proxy: {
            '^/users': {
                target: 'http://localhost:5000',
                ws: true,
                changeOrigin: true
            },
            '^/api': {
                target: 'http://localhost:5000',
                ws: true,
                changeOrigin: true
            }
        }
    }
};

Answer №1

babel.config.js is responsible for configuring Babel, while vue.config.js is used for configuring Vue.

Although they serve different purposes, Babel transforms newer Javascript into older Javascript to ensure compatibility with older browsers, whereas Vue uses Javascript to render DOM nodes. Together, they make it easier to run a Javascript application.

You have the option to configure both packages in the package.json file, as noted by @skirtle in the comments, or you can keep them separate to avoid confusion with the different configurations. This approach applies to other package configuration files you may come across in the future, such as postcss.config.js, eslint.config.js, tailwind.config.js, and so on.

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