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Description
The tailwind.config.js file defines the content that Tailwind should scan for used classes. However, there is no explicit configuration to ensure that unused CSS is purged during a production build. This can lead to a significantly larger CSS bundle than necessary, impacting page load performance.
To address this, consider using a tool like PurgeCSS or the @tailwindcss/container-queries plugin alongside Tailwind in your build process. This typically involves integrating PurgeCSS within your postcss.config.js file and potentially setting the NODE_ENV environment variable to trigger the purge only during production builds. The following steps are recommended:
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Install PurgeCSS:
npm install -D @fullhuman/postcss-purgecss -
Update
postcss.config.js:module.exports = { plugins: { tailwindcss: {}, autoprefixer: {}, ...(process.env.NODE_ENV === 'production' ? { '@fullhuman/postcss-purgecss': { content: [ './pages/**/*.{js,jsx,ts,tsx}', './components/**/*.{js,jsx,ts,tsx}', './src/**/*.{js,jsx,ts,tsx}', './index.html' ], defaultExtractor: (content) => content.match(/[\w-/:]+(?<!:)/g) || [], }, } : {}), }, };
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Adjust
content: Ensure thecontentarray in the PurgeCSS config accurately reflects all files containing Tailwind classes.
**Issue 3: Eslint: Consider adding a rule to prevent `console.log` statements in production code.**