truecar-css-vars-ponyfill
v2.1.3
Published
Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers
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12
Maintainers
Readme
css-vars-ponyfill
A ponyfill that provides client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers.
- Documentation
- Demo (CodePen)
Features
- Client-side transformation of CSS custom properties to static values
- Live updates of runtime values in both modern and legacy browsers
- Transforms
<link>
,<style>
, and@import
CSS - Transforms relative
url()
paths to absolute URLs - Supports chained and nested
var()
functions - Supports
var()
function fallback values - Supports web components / shadow DOM CSS
- Watch mode auto-updates on
<link>
and<style>
changes - UMD and ES6 module available
- TypeScript definitions included
- Lightweight (6k min+gzip) and dependency-free
Limitations
- Custom property declaration support is limited to
:root
and:host
rulesets - The use of
var()
is limited to property values (per W3C specification)
Browser Support
| IE | Edge | Chrome | Firefox | Safari | | ---- | ---- | ------ | ------- | ------ | | 9+ | 12+ | 19+ | 6+ | 6+ |
Contact
- Create a Github issue for bug reports, feature requests, or questions
- Follow @jhildenbiddle for announcements
- Add a ⭐️ star on GitHub or ❤️ tweet to support the project!
License
This project is licensed under the MIT License. See the MIT LICENSE for details.
Copyright (c) John Hildenbiddle (@jhildenbiddle)