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-# postcss-import
-
-[![Build](https://img.shields.io/travis/postcss/postcss-import/master)](https://travis-ci.org/postcss/postcss-import)
-[![Version](https://img.shields.io/npm/v/postcss-import)](https://github.com/postcss/postcss-import/blob/master/CHANGELOG.md)
-[![postcss compatibility](https://img.shields.io/npm/dependency-version/postcss-import/peer/postcss)](https://postcss.org/)
-
-> [PostCSS](https://github.com/postcss/postcss) plugin to transform `@import`
-rules by inlining content.
-
-This plugin can consume local files, node modules or web_modules.
-To resolve path of an `@import` rule, it can look into root directory
-(by default `process.cwd()`), `web_modules`, `node_modules`
-or local modules.
-_When importing a module, it will look for `index.css` or file referenced in
-`package.json` in the `style` or `main` fields._
-You can also provide manually multiples paths where to look at.
-
-**Notes:**
-
-- **This plugin should probably be used as the first plugin of your list.
-This way, other plugins will work on the AST as if there were only a single file
-to process, and will probably work as you can expect**.
-- This plugin works great with
-[postcss-url](https://github.com/postcss/postcss-url) plugin,
-which will allow you to adjust assets `url()` (or even inline them) after
-inlining imported files.
-- In order to optimize output, **this plugin will only import a file once** on
-a given scope (root, media query...).
-Tests are made from the path & the content of imported files (using a hash
-table).
-If this behavior is not what you want, look at `skipDuplicates` option
-- If you are looking for **Glob Imports**, you can use [postcss-import-ext-glob](https://github.com/dimitrinicolas/postcss-import-ext-glob) to extend postcss-import.
-- Imports which are not modified (by `options.filter` or because they are remote
- imports) are moved to the top of the output.
-- **This plugin attempts to follow the CSS `@import` spec**; `@import`
- statements must precede all other statements (besides `@charset`).
-
-## Installation
-
-```console
-$ npm install -D postcss-import
-```
-
-## Usage
-
-Unless your stylesheet is in the same place where you run postcss
-(`process.cwd()`), you will need to use `from` option to make relative imports
-work.
-
-```js
-// dependencies
-const fs = require("fs")
-const postcss = require("postcss")
-const atImport = require("postcss-import")
-
-// css to be processed
-const css = fs.readFileSync("css/input.css", "utf8")
-
-// process css
-postcss()
- .use(atImport())
- .process(css, {
- // `from` option is needed here
- from: "css/input.css"
- })
- .then((result) => {
- const output = result.css
-
- console.log(output)
- })
-```
-
-`css/input.css`:
-
-```css
-/* can consume `node_modules`, `web_modules` or local modules */
-@import "cssrecipes-defaults"; /* == @import "../node_modules/cssrecipes-defaults/index.css"; */
-@import "normalize.css"; /* == @import "../node_modules/normalize.css/normalize.css"; */
-
-@import "foo.css"; /* relative to css/ according to `from` option above */
-
-@import "bar.css" (min-width: 25em);
-
-@import 'baz.css' layer(baz-layer);
-
-body {
- background: black;
-}
-```
-
-will give you:
-
-```css
-/* ... content of ../node_modules/cssrecipes-defaults/index.css */
-/* ... content of ../node_modules/normalize.css/normalize.css */
-
-/* ... content of css/foo.css */
-
-@media (min-width: 25em) {
-/* ... content of css/bar.css */
-}
-
-@layer baz-layer {
-/* ... content of css/baz.css */
-}
-
-body {
- background: black;
-}
-```
-
-Checkout the [tests](test) for more examples.
-
-### Options
-
-### `filter`
-Type: `Function`
-Default: `() => true`
-
-Only transform imports for which the test function returns `true`. Imports for
-which the test function returns `false` will be left as is. The function gets
-the path to import as an argument and should return a boolean.
-
-#### `root`
-
-Type: `String`
-Default: `process.cwd()` or _dirname of
-[the postcss `from`](https://github.com/postcss/postcss#node-source)_
-
-Define the root where to resolve path (eg: place where `node_modules` are).
-Should not be used that much.
-_Note: nested `@import` will additionally benefit of the relative dirname of
-imported files._
-
-#### `path`
-
-Type: `String|Array`
-Default: `[]`
-
-A string or an array of paths in where to look for files.
-
-#### `plugins`
-
-Type: `Array`
-Default: `undefined`
-
-An array of plugins to be applied on each imported files.
-
-#### `resolve`
-
-Type: `Function`
-Default: `null`
-
-You can provide a custom path resolver with this option. This function gets
-`(id, basedir, importOptions)` arguments and should return a path, an array of
-paths or a promise resolving to the path(s). If you do not return an absolute
-path, your path will be resolved to an absolute path using the default
-resolver.
-You can use [resolve](https://github.com/substack/node-resolve) for this.
-
-#### `load`
-
-Type: `Function`
-Default: null
-
-You can overwrite the default loading way by setting this option.
-This function gets `(filename, importOptions)` arguments and returns content or
-promised content.
-
-#### `skipDuplicates`
-
-Type: `Boolean`
-Default: `true`
-
-By default, similar files (based on the same content) are being skipped.
-It's to optimize output and skip similar files like `normalize.css` for example.
-If this behavior is not what you want, just set this option to `false` to
-disable it.
-
-#### `addModulesDirectories`
-
-Type: `Array`
-Default: `[]`
-
-An array of folder names to add to [Node's resolver](https://github.com/substack/node-resolve).
-Values will be appended to the default resolve directories:
-`["node_modules", "web_modules"]`.
-
-This option is only for adding additional directories to default resolver. If
-you provide your own resolver via the `resolve` configuration option above, then
-this value will be ignored.
-
-#### `nameLayer`
-
-Type: `Function`
-Default: `null`
-
-You can provide a custom naming function for anonymous layers (`@import 'baz.css' layer;`).
-This function gets `(index, rootFilename)` arguments and should return a unique string.
-
-This option only influences imports without a layer name.
-Without this option the plugin will warn on anonymous layers.
-
-#### Example with some options
-
-```js
-const postcss = require("postcss")
-const atImport = require("postcss-import")
-
-postcss()
- .use(atImport({
- path: ["src/css"],
- }))
- .process(cssString)
- .then((result) => {
- const { css } = result
- })
-```
-
-## `dependency` Message Support
-
-`postcss-import` adds a message to `result.messages` for each `@import`. Messages are in the following format:
-
-```
-{
- type: 'dependency',
- file: absoluteFilePath,
- parent: fileContainingTheImport
-}
-```
-
-This is mainly for use by postcss runners that implement file watching.
-
----
-
-## CONTRIBUTING
-
-* ⇄ Pull requests and ★ Stars are always welcome.
-* For bugs and feature requests, please create an issue.
-* Pull requests must be accompanied by passing automated tests (`$ npm test`).
-
-## [Changelog](CHANGELOG.md)
-
-## [License](LICENSE)