function _array_like_to_array(arr, len) {
    if (len == null || len > arr.length) len = arr.length;
    for(var i = 0, arr2 = new Array(len); i < len; i++)arr2[i] = arr[i];
    return arr2;
}
function _array_with_holes(arr) {
    if (Array.isArray(arr)) return arr;
}
function _array_without_holes(arr) {
    if (Array.isArray(arr)) return _array_like_to_array(arr);
}
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
    try {
        var info = gen[key](arg);
        var value = info.value;
    } catch (error) {
        reject(error);
        return;
    }
    if (info.done) {
        resolve(value);
    } else {
        Promise.resolve(value).then(_next, _throw);
    }
}
function _async_to_generator(fn) {
    return function() {
        var self = this, args = arguments;
        return new Promise(function(resolve, reject) {
            var gen = fn.apply(self, args);
            function _next(value) {
                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
            }
            function _throw(err) {
                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
            }
            _next(undefined);
        });
    };
}
function _iterable_to_array(iter) {
    if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
}
function _non_iterable_rest() {
    throw new TypeError("Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _non_iterable_spread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _to_array(arr) {
    return _array_with_holes(arr) || _iterable_to_array(arr) || _unsupported_iterable_to_array(arr) || _non_iterable_rest();
}
function _to_consumable_array(arr) {
    return _array_without_holes(arr) || _iterable_to_array(arr) || _unsupported_iterable_to_array(arr) || _non_iterable_spread();
}
function _unsupported_iterable_to_array(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _array_like_to_array(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(n);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _array_like_to_array(o, minLen);
}
function _ts_generator(thisArg, body) {
    var f, y, t, g, _ = {
        label: 0,
        sent: function() {
            if (t[0] & 1) throw t[1];
            return t[1];
        },
        trys: [],
        ops: []
    };
    return g = {
        next: verb(0),
        "throw": verb(1),
        "return": verb(2)
    }, typeof Symbol === "function" && (g[Symbol.iterator] = function() {
        return this;
    }), g;
    function verb(n) {
        return function(v) {
            return step([
                n,
                v
            ]);
        };
    }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while(_)try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [
                op[0] & 2,
                t.value
            ];
            switch(op[0]){
                case 0:
                case 1:
                    t = op;
                    break;
                case 4:
                    _.label++;
                    return {
                        value: op[1],
                        done: false
                    };
                case 5:
                    _.label++;
                    y = op[1];
                    op = [
                        0
                    ];
                    continue;
                case 7:
                    op = _.ops.pop();
                    _.trys.pop();
                    continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
                        _ = 0;
                        continue;
                    }
                    if (op[0] === 3 && (!t || op[1] > t[0] && op[1] < t[3])) {
                        _.label = op[1];
                        break;
                    }
                    if (op[0] === 6 && _.label < t[1]) {
                        _.label = t[1];
                        t = op;
                        break;
                    }
                    if (t && _.label < t[2]) {
                        _.label = t[2];
                        _.ops.push(op);
                        break;
                    }
                    if (t[2]) _.ops.pop();
                    _.trys.pop();
                    continue;
            }
            op = body.call(thisArg, _);
        } catch (e) {
            op = [
                6,
                e
            ];
            y = 0;
        } finally{
            f = t = 0;
        }
        if (op[0] & 5) throw op[1];
        return {
            value: op[0] ? op[1] : void 0,
            done: true
        };
    }
}
import rehypeKatex from "rehype-katex";
import rehypeRaw from "rehype-raw";
import rehypeStringify from "rehype-stringify";
import remarkFrontmatter from "remark-frontmatter";
import remarkGfm from "remark-gfm";
import remarkMath from "remark-math";
import remarkParse from "remark-parse";
import remarkRehype from "remark-rehype";
import { unified } from "unified";
import { fixStrongWithSpecialChars } from "../parser/remarkParse";
var INLINE_MATH_WITH_SINGLE_DOLLAR = {
    singleDollarTextMath: true
};
var FRONTMATTER_LANGUAGES = [
    'yaml'
];
var remarkRehypePlugin = remarkRehype;
export var DEFAULT_MARKDOWN_REMARK_PLUGINS = [
    remarkParse,
    remarkGfm,
    fixStrongWithSpecialChars,
    [
        remarkMath,
        INLINE_MATH_WITH_SINGLE_DOLLAR
    ],
    [
        remarkFrontmatter,
        FRONTMATTER_LANGUAGES
    ],
    [
        remarkRehypePlugin,
        {
            allowDangerousHtml: true
        }
    ]
];
var DEFAULT_REMARK_PLUGINS = _to_consumable_array(DEFAULT_MARKDOWN_REMARK_PLUGINS);
var applyPlugins = function(processor, plugins) {
    var extendedProcessor = processor;
    plugins.forEach(function(entry) {
        if (Array.isArray(entry)) {
            var _extendedProcessor;
            var _entry = _to_array(entry), plugin = _entry[0], pluginOptions = _entry.slice(1);
            (_extendedProcessor = extendedProcessor).use.apply(_extendedProcessor, [
                plugin
            ].concat(_to_consumable_array(pluginOptions)));
            return;
        }
        extendedProcessor.use(entry);
    });
    return processor;
};
var resolveRemarkPlugins = function(plugins) {
    if (!plugins || plugins.length === 0) {
        return DEFAULT_REMARK_PLUGINS;
    }
    return plugins;
};
var createMarkdownProcessor = function(plugins) {
    var processor = unified();
    var remarkPlugins = resolveRemarkPlugins(plugins);
    applyPlugins(processor, remarkPlugins);
    processor.use(rehypeRaw).use(rehypeKatex).use(rehypeStringify);
    return processor;
};
/**
 * 将 Markdown 内容转换为 HTML（异步版本）
 *
 * 使用 unified 处理器链来处理 Markdown 到 HTML 的转换，支持：
 * - GitHub 风味 Markdown (GFM)
 * - 数学公式 (KaTeX)
 * - 前置元数据 (Frontmatter)
 * - 特殊字符修复
 * - 原始 HTML 标签
 *
 * @param markdown - 要转换的 Markdown 字符串
 * @returns Promise<string> - 从 Markdown 生成的 HTML 字符串
 *
 * @example
 * ```typescript
 * const html = await markdownToHtml('# 标题\n\n这是**粗体**文本');
 * console.log(html); // '<h1>标题</h1><p>这是<strong>粗体</strong>文本</p>'
 * ```
 *
 * @throws {Error} 当转换过程中发生错误时返回空字符串
 */ export var markdownToHtml = /*#__PURE__*/ function() {
    var _ref = _async_to_generator(function(markdown, plugins) {
        var htmlContent, error;
        return _ts_generator(this, function(_state) {
            switch(_state.label){
                case 0:
                    _state.trys.push([
                        0,
                        2,
                        ,
                        3
                    ]);
                    return [
                        4,
                        createMarkdownProcessor(plugins).process(markdown)
                    ];
                case 1:
                    htmlContent = _state.sent();
                    return [
                        2,
                        String(htmlContent)
                    ];
                case 2:
                    error = _state.sent();
                    console.error('Error converting markdown to HTML:', error);
                    return [
                        2,
                        ''
                    ];
                case 3:
                    return [
                        2
                    ];
            }
        });
    });
    return function markdownToHtml(markdown, plugins) {
        return _ref.apply(this, arguments);
    };
}();
/**
 * 将 Markdown 内容转换为 HTML（同步版本）
 *
 * 同步版本的 markdownToHtml，使用相同的处理器链但以同步方式执行。
 * 适用于不需要异步处理的场景，但可能会阻塞主线程。
 *
 * @param markdown - 要转换的 Markdown 字符串
 * @returns string - 从 Markdown 生成的 HTML 字符串
 *
 * @example
 * ```typescript
 * const html = markdownToHtmlSync('## 副标题\n\n- 列表项1\n- 列表项2');
 * console.log(html); // '<h2>副标题</h2><ul><li>列表项1</li><li>列表项2</li></ul>'
 * ```
 *
 * @throws {Error} 当转换过程中发生错误时返回空字符串
 *
 * @remarks
 * - 建议在可能的情况下使用异步版本 `markdownToHtml`
 * - 同步版本可能影响用户界面响应性
 */ export var markdownToHtmlSync = function(markdown, plugins) {
    try {
        var file = createMarkdownProcessor(plugins).processSync(markdown);
        return String(file);
    } catch (error) {
        console.error('Error converting markdown to HTML:', error);
        return '';
    }
};
