
Research
2025 Report: Destructive Malware in Open Source Packages
Destructive malware is rising across open source registries, using delays and kill switches to wipe code, break builds, and disrupt CI/CD.
css-dedoupe
Advanced tools
This is a basic module that walks a AST built with reworkcss and removes duplicate CSS properties associated with a specific selector. Only keeping the most recent.
$ npm install --save css-dedoupe
# OR
$ yarn add css-dedoupe
const cssDedoupe = require('css-dedoupe')
const cssStr = '.float-right {float: right;}.float-right {float: right;}'
console.log(cssDedoupe(cssStr)) // '.float-right{float:right}'
$ css-dedoupe input.css output.css
Or if you would like to modify the input file directly:
$ css-dedoupe inputAndOutput.css
Contributions are welcome. Please open up an issue or create PR if you would like to help out.
Note: If editing the README, please conform to the standard-readme specification.
Licensed under the MIT License.
FAQs
Remove duplicate properties and declarations from your CSS
The npm package css-dedoupe receives a total of 16 weekly downloads. As such, css-dedoupe popularity was classified as not popular.
We found that css-dedoupe demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Research
Destructive malware is rising across open source registries, using delays and kill switches to wipe code, break builds, and disrupt CI/CD.

Security News
Socket CTO Ahmad Nassri shares practical AI coding techniques, tools, and team workflows, plus what still feels noisy and why shipping remains human-led.

Research
/Security News
A five-month operation turned 27 npm packages into durable hosting for browser-run lures that mimic document-sharing portals and Microsoft sign-in, targeting 25 organizations across manufacturing, industrial automation, plastics, and healthcare for credential theft.