postcss.config.js

const purgecss = require('@fullhuman/postcss-purgecss')({
    content: [
        './src/**/*.html',
        './src/**/*.vue',
        './src/**/*.jsx'
    ],
    defaultExtractor: content => content.match(/[\w-/:]+(?<!:)/g) || []
})

module.exports = {
    plugins: [
        require('tailwindcss'),
        require('autoprefixer'),
        ...process.env.NODE_ENV === 'production'
        ? [purgecss]
        : []
    ]
}