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javascript

Error: Tailwind CSS is not a PostCSS plugin

Error message

Error: Tailwind CSS is not a PostCSS plugin

What broke

The error occurs when Tailwind CSS is not properly configured in your PostCSS setup. This usually happens if the Tailwind CSS package is not installed or not included in the PostCSS configuration file.

Why it broke

It broke because the build process cannot find Tailwind CSS as a valid PostCSS plugin. This can happen if the installation is incomplete or if the configuration file does not reference Tailwind CSS correctly.

How to fix

To fix this, ensure that Tailwind CSS is installed in your project. Then, check your PostCSS configuration file to make sure Tailwind CSS is included in the plugins array.

Code fix

const postcss = require('postcss');
const tailwindcss = require('tailwindcss');

module.exports = {
  plugins: [
    tailwindcss,
    require('autoprefixer'),
  ],
};

Explained by ErrorOracle

Prevention tip

Then, check your PostCSS configuration file to make sure Tailwind CSS is included in the plugins array.

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