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sass

npmv1.104.0TypeScript

A pure JavaScript implementation of Sass.

Safe to adopt

Yes — sass scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 6 days ago. 50 releases in the last 2 years.

  • ?Adoption: grade ?, Not reported by this registry.

    No download data reported for this package yet.

  • AMaintenance: grade A, Excellent.

    Last published 6 days ago. 50 releases in the last 2 years.

  • AWeight: grade A, Excellent.

    Pulls in 4 transitive packages, about 6.6 MB installed (at least — some of the tree is still being crawled).

  • ASupply chain: grade A, Excellent.

    No install scripts, 2 maintainers, and a contained dependency surface.

  • ALicense: grade A, Excellent.

    MIT — permissive, with no copyleft found in the dependency tree.

Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.

Install cost

What you actually take on by adding sass to a project.

3
Direct dependencies

Runtime packages this one declares itself.

4
Total installed

Distinct packages in the full runtime tree, deduplicated the way a package manager would.

6.6 MB
Install size

Unpacked size of this package plus its entire runtime tree.

2
Tree depth

Longest resolved dependency chain below this package.

Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.

Licenses in the dependency tree

BSD-3-ClauseMIT

Every license you inherit by installing sass, not just its own. Check this before a legal review, not after.

Compatibility

Node.js
node >=20.19.0
Module format
CommonJS only
TypeScript
Types included
Install scripts
None

Quick start

A usage example from the sass README.

jsFull README ↗
const sass = require('sass');

const result = sass.compile(scssFilename);

// OR

// Note that `compileAsync()` is substantially slower than `compile()`.
const result = await sass.compileAsync(scssFilename);

sass vs the alternatives

Packages solving a similar problem in the npm ecosystem, compared on the signals that drive an adoption decision.

PackageWeekly downloadsDependentsLicenseLast release
sassthis page04MIT6 days ago
node-sassdeprecated888.4K0MIT1 day ago
less02Apache-2.01 day ago
postcss249.3M7MIT1 day ago
csstype142.8M2MIT1 day ago
react-style-singleton59.1M2MIT1 day ago

Dependencies

Declared by sass v1.104.0. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (3)

chokidar ^5.0.0immutable ^5.1.5source-map-js >=0.6.2 <2.0.0

Used by

Popular packages that depend on sass.

vitenpm

Native-ESM powered web dev build tool

↓ 158.6M/wk◈ 26 dependents⚖ MIT
nextnpm

The React Framework

↓ 40.6M/wk◈ 0 dependents⚖ MITTS
@vue/compiler-sfcnpm

@vue/compiler-sfc

↓ 0/wk◈ 1 dependents⚖ MITTS
@expo/metro-confignpm

A Metro config for running React Native projects with the Metro bundler

↓ 0/wk◈ 3 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of sass.

chokidarimmutablesource-map-jsvitenext@vue/compiler-sfc@expo/metro-configsass
sass dependencies dependents

Frequently installed together

postcssnpm

Tool for transforming styles with JS plugins

↓ 249.3M/wk◈ 7 dependents⚖ MITTS
exponpm

The Expo SDK

↓ 0/wk◈ 18 dependents⚖ MITTS
baseline-browser-mappingnpm

A library for obtaining browser versions with their maximum supported Baseline feature set and Widely Available status.

↓ 0/wk◈ 4 dependents⚖ Apache-2.0TS
lightningcssnpm

A CSS parser, transformer, and minifier written in Rust

↓ 0/wk◈ 4 dependents⚖ MPL-2.0TS
@jridgewell/remappingnpm

Remap sequential sourcemaps through transformations to point at the original source code

↓ 0/wk◈ 4 dependents⚖ MITTS
@jridgewell/trace-mappingnpm

Trace the original position through a source map

↓ 0/wk◈ 20 dependents⚖ MITTS
picomatchnpm

Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.

↓ 0/wk◈ 13 dependents⚖ MIT
esbuildnpm

An extremely fast JavaScript and CSS bundler and minifier.

↓ 242.4M/wk◈ 42 dependents⚖ MITTS
caniuse-litenpm

A smaller version of caniuse-db, with only the essentials!

↓ 176.2M/wk◈ 3 dependents⚖ CC-BY-4.0
reactnpm

React is a JavaScript library for building user interfaces.

↓ 152.8M/wk◈ 82 dependents⚖ MIT
react-domnpm

React package for working with the DOM.

↓ 143.7M/wk◈ 47 dependents⚖ MIT
@playwright/testnpm

A high-level API to automate web browsers

↓ 0/wk◈ 9 dependents⚖ Apache-2.0TS

Release history

50 releases in the last two years, typically about 5 days apart.

Recent versions of sass
VersionPublishedSizeLicense
1.104.0latest6 days ago5.7 MBMIT
1.103.120 days ago5.7 MBMIT
1.103.021 days ago5.7 MBMIT
1.102.01 month ago5.7 MBMIT
1.101.71 month ago5.7 MBMIT
1.101.61 month ago5.7 MBMIT
1.101.51 month ago5.7 MBMIT
1.101.41 month ago5.7 MBMIT
1.101.31 month ago5.7 MBMIT
1.101.03 months ago5.7 MBMIT
1.100.03 months ago5.7 MBMIT
1.99.05 months ago5.7 MBMIT
1.98.06 months ago5.6 MBMIT
1.97.37 months ago5.6 MBMIT
1.97.28 months ago5.6 MBMIT

Overview

sass is an npm package that a pure JavaScript implementation of Sass. It has 4 known dependents in the graph. The latest version is 1.104.0, released under the MIT license.

Who should use it

Teams working in the npm ecosystem who need a pure JavaScript implementation of Sass and value a focused solution.

When not to use it

Consider an alternative if you need to or if a more actively-maintained option better fits your npm stack.

Pros

  • Ships TypeScript type definitions.
  • Clear open-source license (MIT).

Cons

  • No significant drawbacks detected from available metadata.

Auto-generated from collected registry metadata. No external claims are inferred.

Maintainers

hcatlinnex3

Keywords

csspreprocessorsassscssstyle

Frequently asked questions

Should I use sass?

Yes — sass scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 6 days ago. 50 releases in the last 2 years.

How do I install sass?

Run `npm install sass` to add sass to your npm project.

How many dependencies does sass have?

sass declares 4 direct dependencies and pulls in 4 packages in total once its runtime tree is resolved totalling about 6.6 MB on disk.

What license is sass released under?

sass is distributed under the MIT license. Its dependency tree also includes: BSD-3-Clause, MIT.

How popular is sass?

npm does not publish download counts. Within PackageGraph's crawl, 4 known packages depend on sass.

Is sass still maintained?

The most recent release of sass (v1.104.0) was published 6 days ago.

Does sass run install scripts?

No. sass does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.