findLast

Search the ast tree and return the last match.

 // find the first ast declaration node which name is 'aspect-ratio'
import { findLast, EnumToken, transform } from "@tbela99/css-parser";
import type { AstNode } from "@tbela99/css-parser";

const css = `

button {
 aspect-ratio: 1;
 width: if(media(any-pointer: fine): 30px; else: 44px);
}
   `;

// find declaration which contain a '30px'
 const nodeMatcher = (node: AstNode) =>
     return node.typ == EnumToken.DeclarationNodeType && (node as AstDeclaration).nam == 'aspect-ratio'; 

    const result  = await transform(css);     
    const node = findLast(result.ast, nodeMatcher);

    console.log({node});

Copy