🦄 Like polyfill but with pony pureness
Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers
ES2015 Object.assign() ponyfill
WHATWG fetch ponyfill
Symbol.observable ponyfill
Element.scrollIntoView ponyfills for things like "if-needed" and "smooth"
Node.js path.parse() ponyfill
Promise ponyfill with pinkie
A polyfill for the Resize Observer API
Object.fromEntries() ponyfill (in 6 lines)
ES2015 Math.clz32() ponyfill
基于css-vars-ponyfill插件换肤中台方案