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postcss-modules

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postcss-modules

PostCSS plugin to use CSS Modules everywhere

  • 4.3.1
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
1.2M
decreased by-14.29%
Maintainers
1
Weekly downloads
 
Created

What is postcss-modules?

The postcss-modules package is a PostCSS plugin that enables CSS Modules, a technique for locally scoping CSS by automatically creating a unique classname of the format [filename]__[local classname]__[hash]. This helps in avoiding global scope pollution in CSS and makes component-based development easier and more maintainable.

What are postcss-modules's main functionalities?

Local Scope for CSS Classes

This feature automatically scopes class names locally rather than globally. This is done by appending a unique hash to each class name, which makes them unique across the project. This prevents styles from leaking into other parts of the application unintentionally.

/* Input CSS */
.className {
  color: red;
}

/* Output CSS */
.fileName__className__hash {
  color: red;
}

Composition of Styles

This feature allows CSS classes to compose from other classes, potentially from different files. This promotes reusability of CSS styles and helps in maintaining a cleaner and more organized stylesheet architecture.

/* Input CSS */
.className {
  composes: anotherClass from './anotherStyle.css';
  color: red;
}

/* Output CSS */
.fileName__className__hash {
  color: red;
}
.fileName__anotherClass__hash {
  /* styles from anotherClass */
}

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Package last updated on 23 Feb 2022

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