Angular Toolkit MCP

import { Root, Rule } from 'postcss'; import { CssAstVisitor } from './stylesheet.visitor.js'; import { NodeType } from './types.js'; /** * Single function that traverses the AST, calling * specialized visitor methods as it encounters each node type. */ export function visitEachChild<T>(root: Root, visitor: CssAstVisitor<T>) { visitor.visitRoot?.(root); root.walk((node) => { const visitMethodName = `visit${ node.type[0].toUpperCase() + node.type.slice(1) }` as keyof CssAstVisitor<T>; const visitMethod = visitor[visitMethodName] as | ((node: NodeType<typeof visitMethodName>) => void) | undefined; visitMethod?.(node as NodeType<typeof visitMethodName>); }); } export function visitStyleSheet<T>(root: Root, visitor: CssAstVisitor<T>) { for (const node of root.nodes) { switch (node.type) { case 'rule': visitor?.visitRule?.(node); break; case 'atrule': visitor?.visitAtRule?.(node); break; case 'decl': throw new Error('visit declaration not implemented'); // visitor?.visitDeclaration?.(node); case 'comment': visitor?.visitComment?.(node); break; default: throw new Error(`Unknown node type: ${(node as Root).type}`); } } } export function visitEachStyleNode<T>( nodes: Root['nodes'], visitor: CssAstVisitor<T>, ) { for (const node of nodes) { switch (node.type) { case 'rule': visitor?.visitRule?.(node); visitEachStyleNode((node as Rule).nodes, visitor); break; case 'atrule': visitor?.visitAtRule?.(node); break; case 'decl': visitor?.visitDecl?.(node); break; case 'comment': visitor?.visitComment?.(node); break; default: throw new Error(`Unknown node type: ${(node as Root).type}`); } } }