"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "default", {
    enumerable: true,
    get: function() {
        return _default;
    }
});
function isRoot(node) {
    return node.type === "root";
}
function isAtLayer(node) {
    return node.type === "atrule" && node.name === "layer";
}
function _default(_context) {
    return (root, result)=>{
        let found = false;
        root.walkAtRules("tailwind", (node)=>{
            if (found) return false;
            if (node.parent && !(isRoot(node.parent) || isAtLayer(node.parent))) {
                found = true;
                node.warn(result, [
                    "Nested @tailwind rules were detected, but are not supported.",
                    "Consider using a prefix to scope Tailwind's classes: https://tailwindcss.com/docs/configuration#prefix",
                    "Alternatively, use the important selector strategy: https://tailwindcss.com/docs/configuration#selector-strategy"
                ].join("\n"));
                return false;
            }
        });
        root.walkRules((rule)=>{
            if (found) return false;
            rule.walkRules((nestedRule)=>{
                found = true;
                nestedRule.warn(result, [
                    "Nested CSS was detected, but CSS nesting has not been configured correctly.",
                    "Please enable a CSS nesting plugin *before* Tailwind in your configuration.",
                    "See how here: https://tailwindcss.com/docs/using-with-preprocessors#nesting"
                ].join("\n"));
                return false;
            });
        });
    };
}