JSFiddle - React, Tailwind, and code Playground

JavaScript

'class-id-minifier':{
            simple: {
                options: {
                    // jsMapFile: '../js/main.js',
                    // jsMapDevFile: '../js/main.js',
                    minifyFilter: function (k, type) {
                        // type.id type.className
                        // J_ ignored in minified html
                        return /^J_/.test(k) ? false : true;

                    },
                    jsMapFilter: function (k, type) {
                        // className ignored in js map
                        return !!type.id;
                    }
                },
                files: [
                    {
                        expand: true,
                        cwd: '../',
                        src: ['*.html', 'css/*.css', 'js/*.js'],
                        dest: '../finish/'
                    }
                ]
            }
        }