# node-sass
**Warning:** [LibSass and Node Sass are deprecated](https://sass-lang.com/blog/libsass-is-deprecated).
While they will continue to receive maintenance releases indefinitely, there are no
plans to add additional features or compatibility with any new CSS or Sass features.
Projects that still use it should move onto
[Dart Sass](https://sass-lang.com/dart-sass).
## Node version support policy
1. Supported Node.js versions vary by release, please consult the [releases page](https://github.com/sass/node-sass/releases).
1. Node versions that hit end of life <https://github.com/nodejs/Release>, will be dropped from support at each node-sass release (major, minor).
1. We will stop building binaries for unsupported releases, testing for breakages in dependency compatibility, but we will not block installations for those that want to support themselves.
1. New node release require minor internal changes along with support from CI providers (AppVeyor, GitHub Actions). We will open a single issue for interested parties to subscribe to, and close additional issues.
Below is a quick guide for minimum and maximum support supported version of node-sass:
NodeJS | Supported node-sass version | Node Module
--------|-----------------------------|------------
Node 15 | 5.0+ | 88
Node 14 | 4.14+ | 83
Node 13 | 4.13+, <5.0 | 79
Node 12 | 4.12+ | 72
Node 11 | 4.10+, <5.0 | 67
Node 10 | 4.9+ | 64
Node 8 | 4.5.3+, <5.0 | 57
Node <8 | <5.0 | <57
<table>
<tr>
<td>
<img width="77px" alt="Sass logo" src="https://rawgit.com/sass/node-sass/master/media/logo.svg" />
</td>
<td valign="bottom" align="right">
<a href="https://www.npmjs.com/package/node-sass">
<img width="100%" src="https://nodei.co/npm/node-sass.png?downloads=true&downloadRank=true&stars=true">
</a>
</td>
</tr>
</table>
![Alpine](https://github.com/sass/node-sass/workflows/Build%20bindings%20for%20Alpine%20releases/badge.svg)
![Linux](https://github.com/sass/node-sass/workflows/Build%20bindings%20for%20Linux%20releases/badge.svg)
![macOS](https://github.com/sass/node-sass/workflows/Build%20bindings%20for%20macOS%20releases/badge.svg)
![Windows x64](https://github.com/sass/node-sass/workflows/Build%20bindings%20for%20Windows%20releases/badge.svg)
![Linting](https://github.com/sass/node-sass/workflows/Lint%20JS/badge.svg)
[![Windows x86](https://ci.appveyor.com/api/projects/status/22mjbk59kvd55m9y/branch/master?svg=true)](https://ci.appveyor.com/project/sass/node-sass/branch/master)
[![Coverage Status](https://coveralls.io/repos/sass/node-sass/badge.svg?branch=master)](https://coveralls.io/r/sass/node-sass?branch=master)
Node-sass is a library that provides binding for Node.js to [LibSass], the C version of the popular stylesheet preprocessor, Sass.
It allows you to natively compile .scss files to css at incredible speed and automatically via a connect middleware.
Find it on npm: <https://www.npmjs.com/package/node-sass>
Follow @nodesass on twitter for release updates: <https://twitter.com/nodesass>
## Install
```shell
npm install node-sass
```
Some users have reported issues installing on Ubuntu due to `node` being registered to another package. [Follow the official NodeJS docs](https://github.com/nodesource/distributions/blob/master/README.md#debinstall) to install NodeJS so that `#!/usr/bin/env node` correctly resolves.
Compiling on Windows machines requires the [node-gyp prerequisites](https://github.com/nodejs/node-gyp#on-windows).
Are you seeing the following error? Check out our [Troubleshooting guide](https://github.com/sass/node-sass/blob/master/TROUBLESHOOTING.md#installing-node-sass-4x-with-node--4).**
```
SyntaxError: Use of const in strict mode.
```
**Having installation troubles? Check out our [Troubleshooting guide](https://github.com/sass/node-sass/blob/master/TROUBLESHOOTING.md).**
### Install from mirror in China
```shell
npm install -g mirror-config-china --registry=http://registry.npm.taobao.org
npm install node-sass
```
## Usage
```javascript
var sass = require('node-sass');
sass.render({
file: scss_filename,
[, options..]
}, function(err, result) { /*...*/ });
// OR
var result = sass.renderSync({
data: scss_content
[, options..]
});
```
## Options
### file
* Type: `String`
* Default: `null`
**Special**: `file` or `data` must be specified
Path to a file for [LibSass] to compile.
### data
* Type: `String`
* Default: `null`
**Special**: `file` or `data` must be specified
A string to pass to [LibSass] to compile. It is recommended that you use `includePaths` in conjunction with this so that [LibSass] can find files when using the `@import` directive.
### importer (>= v2.0.0) - _experimental_
**This is an experimental LibSass feature. Use with caution.**
* Type: `Function | Function[]` signature `function(url, prev, done)`
* Default: `undefined`
Function Parameters and Information:
* `url (String)` - the path in import **as-is**, which [LibSass] encountered
* `prev (String)` - the previously resolved path
* `done (Function)` - a callback function to invoke on async completion, takes an object literal containing
* `file (String)` - an alternate path for [LibSass] to use **OR**
* `contents (String)` - the imported contents (for example, read from memory or the file system)
Handles when [LibSass] encounters the `@import` directive. A custom importer allows extension of the [LibSass] engine in both a synchronous and asynchronous manner. In both cases, the goal is to either `return` or call `done()` with an object literal. Depending on the value of the object literal, one of two things will happen.
When returning or calling `done()` with `{ file: "String" }`, the new file path will be assumed for the `@import`. It's recommended to be mindful of the value of `prev` in instances where relative path resolution may be required.
When returning or calling `done()` with `{ contents: "String" }`, the string value will be used as if the file was read in through an external source.
Starting from v3.0.0:
* `this` refers to a contextual scope for the immediate run of `sass.render` or `sass.renderSync`
* importers can return error and LibSass will emit that error in response. For instance:
```javascript
done(new Error('doesn\'t exist!'));
// or return synchronously
return new Error('nothing to do here');
```
* importer can be an array of functions, which will be called by LibSass in the order of their occurrence in array. This helps user specify special importer for particular kind of path (filesystem, http). If an importer does not want to handle a particular path, it should return `null`. See [functions section](#functions--v300---experimental) for more details on Sass types.
### functions (>= v3.0.0) - _experimental_
**This is an experimental LibSass feature. Use with caution.**
`functions` is an `Object` that holds a collection of custom functions that may be invoked by the sass files being compiled. They may take zero or more input parameters and must return a value either synchronously (`return ...;`) or asynchronously (`done();`). Those parameters will be instances of one of the constructors contained in the `require('node-sass').types` hash. The return value must be of one of these types as well. See the list of available types below:
#### types.Number(value [, unit = ""])
* `getValue()`/ `setValue(value)` : gets / sets the numerical portion of the number
* `getUnit()` / `setUnit(unit)` : gets / sets the unit portion of the number
#### types.String(value)
* `getValue()` / `setValue(value)` : gets / sets the enclosed string
#### types.Color(r, g, b [, a = 1.0]) or types.Color(argb)
* `getR()` / `setR(value)` : red component (integer from `0` to `255`)
* `getG()` / `setG(value)` : green component (integer from `0` to `255`)
*
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node-sass 4.12、4.14.1、5 node-sass-loader node_modules 安装包
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node-sass 4.12、4.14.1、5 node-sass-loader node_modules 安装包 (1123个子文件)
configure.ac 4KB
configure.ac 4KB
configure.ac 4KB
GNUmakefile.am 2KB
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GNUmakefile.am 1KB
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bootstrap 299B
bootstrap 299B
bootstrap 299B
branding 351B
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cencode.c 2KB
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ci-build-libsass 4KB
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ci-install-compiler 96B
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ci-install-deps 412B
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ci-install-deps 412B
ci-report-coverage 1KB
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node-which.cmd 280B
which.cmd 275B
Makefile.conf 1KB
Makefile.conf 1KB
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COPYING 1KB
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parser.cpp 107KB
parser.cpp 107KB
parser.cpp 107KB
functions.cpp 80KB
functions.cpp 80KB
functions.cpp 80KB
extend.cpp 76KB
extend.cpp 76KB
extend.cpp 76KB
ast.cpp 70KB
ast.cpp 70KB
ast.cpp 70KB
eval.cpp 57KB
eval.cpp 57KB
eval.cpp 57KB
prelexer.cpp 48KB
prelexer.cpp 48KB
prelexer.cpp 48KB
context.cpp 32KB
context.cpp 32KB
context.cpp 32KB
color_maps.cpp 32KB
color_maps.cpp 32KB
color_maps.cpp 32KB
json.cpp 32KB
json.cpp 32KB
json.cpp 32KB
inspect.cpp 30KB
inspect.cpp 30KB
inspect.cpp 30KB
sass_context.cpp 29KB
sass_context.cpp 29KB
sass_context.cpp 29KB
expand.cpp 27KB
expand.cpp 27KB
expand.cpp 27KB
sass2scss.cpp 24KB
sass2scss.cpp 24KB
sass2scss.cpp 24KB
util.cpp 20KB
util.cpp 20KB
util.cpp 20KB
cssize.cpp 18KB
cssize.cpp 18KB
cssize.cpp 18KB
file.cpp 17KB
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file.cpp 17KB
units.cpp 15KB
units.cpp 15KB
units.cpp 15KB
sass_values.cpp 14KB
sass_values.cpp 14KB
sass_values.cpp 14KB
binding.cpp 13KB
binding.cpp 13KB
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