PostCSS NPM

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Import CSS styles from NPM modules using postcss.

This lets you use @import CSS using the same rules you use for require in Node. Specify the CSS file for a module using the style field in package.json and use @import "my-module";, or specify the file name in the module, like @import "my-module/my-file";. You can also require files relative to the current file using @import "./my-file";.

An @import will be processed so that the file referenced will have been imported in the current scope at the point of the @import. If a file has been previously imported in the current scope, that file will not be imported again. New scopes are created in a block such as a @media block. Child blocks will not duplicate imports that have been imported in the parent block, but may duplicate imports that are imported in a sibling block (since they may not have effect otherwise).

You can use source maps to show which file a definition originated from when debugging in a browser. To include inline source maps, use .toString({ sourcemap: true }) on the rework object when generating the output.

Note that to get correct import paths you must set the source option to the source file name when parsing the CSS source (usually with rework). If the source path is relative, it is resolved to the root option (defaults to the current directory). The source path is used to find the directory to start in when finding dependencies.