esbuild.config.js

const banner = `/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
If you want to view the source, visit the plugins github repository
https://github.com/ozntel/file-tree-alternative
*/
`;

const isProd = process.env.BUILD === 'production';
const fs = require('fs');

let renamePlugin = {
    name: 'rename-styles',
    setup(build) {
        build.onEnd(() => {
            const { outfile } = build.initialOptions;
            const outcss = outfile.replace(/\.js$/, '.css');
            const fixcss = outfile.replace(/main\.js$/, 'styles.css');
            if (fs.existsSync(outcss)) {
                console.log('Renaming', outcss, 'to', fixcss);
                fs.renameSync(outcss, fixcss);
            }
        });
    },
};

module.exports = {
    banner: { js: banner },
    sourcemap: isProd ? false : 'inline',
    minify: true,
    define: {
        'process.env.NODE_ENV': JSON.stringify(process.env.BUILD),
    },
    plugins: [renamePlugin],
};