@tbela99/css-parser/dist/lib/parser/utils/at-rule.js

CSS parser, minifier and validator for node and the browser

import { ValidationSyntaxGroupEnum } from '../../validation/parser/typedef.js';
import { getSyntaxRule } from '../../validation/config.js';
import { trimArray, matchAllSyntaxes, createValidationContext } from '../../validation/match.js';

function matchAtRuleSyntax(atRule, stream, options) {
    const syntaxRules = getSyntaxRule(ValidationSyntaxGroupEnum.AtRules, "@" + atRule.nam);
    const syntax = syntaxRules?.getPreludeRules()?.slice?.(1);
    trimArray(stream);
    if (syntax.length === 0) {
        // const filtered = stream.filter(
        //     (token) => token.typ !== EnumToken.WhitespaceTokenType && token.typ !== EnumToken.CommentTokenType,
        // );
        // if (filtered.length > 0) {
        //     return {
        //         success: false,
        //         errors: [
        //             {
        //                 action: "drop",
        //                 message: `unexpected token ${EnumToken[filtered[0].typ]} at ${filtered[0][LOC]!.src}:${
        //                     filtered[0][LOC]!.sta.lin
        //                 }:${filtered[0][LOC]!.sta.col}`,
        //                 node: filtered[0],
        //                 location: filtered[0][LOC]!,
        //             },
        //         ],
        //     };
        // }
        return { success: true, errors: [] };
    }
    const { success, errors } = matchAllSyntaxes(syntax, createValidationContext(stream), options);
    return { success, errors };
}

export { matchAtRuleSyntax };