codn_ts/dist/utils/os_utils.js

智能代码分析工具 - 支持语义搜索、调用链分析和代码结构可视化，对大模型/AI agent 友好

"use strict";
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var __importStar = (this && this.__importStar) || (function () {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.detectDominantLanguages = detectDominantLanguages;
exports.resolvePath = resolvePath;
exports.pathExists = pathExists;
exports.getLanguageFileExtensions = getLanguageFileExtensions;
const path = __importStar(require("path"));
const fs = __importStar(require("fs"));
// 文件扩展名到语言的完整映射
const EXTENSION_TO_LANGUAGE = {
    ".py": "python",
    ".js": "javascript",
    ".ts": "typescript",
    ".jsx": "javascript",
    ".tsx": "typescript",
    ".java": "java",
    ".kt": "kotlin",
    ".go": "go",
    ".rs": "rust",
    ".c": "c",
    ".cpp": "cpp",
    ".h": "c",
    ".hpp": "cpp",
    ".cs": "csharp",
    ".swift": "swift",
    ".m": "objectivec",
    ".php": "php",
    ".rb": "ruby",
    ".sh": "bash",
    ".pl": "perl",
    ".lua": "lua",
    ".scala": "scala",
    ".hs": "haskell",
    ".r": "r",
    ".dart": "dart",
    ".el": "elisp",
    ".erl": "erlang",
    ".ex": "elixir",
    ".jl": "julia",
    ".clj": "clojure",
    ".f90": "fortran",
    ".groovy": "groovy",
    ".scm": "scheme",
    ".sql": "sql",
    ".vb": "vbnet",
    ".xml": "xml",
    ".yaml": "yaml",
    ".yml": "yaml",
    ".json": "json",
    ".html": "html",
    ".css": "css",
    ".scss": "scss",
    ".less": "less",
    ".md": "markdown",
    ".tex": "latex",
    // 可以继续添加更多扩展名映射
};
/**
 * 检测目录中主导的编程语言
 * @param root 要分析的根目录路径
 * @param options 配置选项
 * @returns 按使用频率排序的语言数组
 */
function detectDominantLanguages(root = ".", options = {}) {
    const { ignoredDirs = new Set(), topN = 1 } = options;
    const languageCounter = new Map();
    // 递归遍历目录的辅助函数
    const walkDirectory = (dirPath) => {
        try {
            const entries = fs.readdirSync(dirPath);
            for (const entry of entries) {
                const fullPath = path.join(dirPath, entry);
                try {
                    const stat = fs.statSync(fullPath);
                    if (stat.isDirectory()) {
                        if (!ignoredDirs.has(entry)) {
                            walkDirectory(fullPath);
                        }
                    }
                    else if (stat.isFile()) {
                        const extension = path.extname(entry).toLowerCase();
                        if (extension in EXTENSION_TO_LANGUAGE) {
                            const language = EXTENSION_TO_LANGUAGE[extension];
                            languageCounter.set(language, (languageCounter.get(language) || 0) + 1);
                        }
                    }
                }
                catch (error) {
                    console.warn(`无法访问路径: ${fullPath}`, error);
                }
            }
        }
        catch (error) {
            console.warn(`无法读取目录: ${dirPath}`, error);
        }
    };
    // 开始遍历
    walkDirectory(path.resolve(root));
    if (languageCounter.size === 0) {
        return [];
    }
    // 转换为数组并排序
    const sortedLanguages = Array.from(languageCounter.entries()).sort((a, b) => b[1] - a[1]);
    // 处理返回结果
    if (topN === 1) {
        const maxCount = sortedLanguages[0][1];
        return sortedLanguages
            .filter(([_, count]) => count === maxCount)
            .map(([language]) => language);
    }
    return sortedLanguages.slice(0, topN).map(([language]) => language);
}
/**
 * 获取规范化后的绝对路径
 * @param pathSegments 路径片段
 * @returns 规范化后的绝对路径
 */
function resolvePath(...pathSegments) {
    return path.resolve(...pathSegments);
}
/**
 * 检查路径是否存在
 * @param targetPath 要检查的路径
 * @returns 是否存在
 */
function pathExists(targetPath) {
    try {
        fs.accessSync(targetPath);
        return true;
    }
    catch {
        return false;
    }
}
/**
 * 获取指定语言对应的文件扩展名
 * @param lang 语言名称
 * @returns 逗号分隔的扩展名字符串（不带点）
 */
function getLanguageFileExtensions(lang) {
    const extensionMap = {
        c: "c,h",
        cpp: "cpp,hpp,cc,hxx",
        python: "py,pyw",
        typescript: "ts,tsx",
        javascript: "js,jsx,mjs,cjs",
        java: "java",
        go: "go",
        rust: "rs",
        ruby: "rb",
        php: "php",
        swift: "swift",
        kotlin: "kt,kts",
        // 可以继续添加更多语言映射
    };
    // 转换为小写比较，确保大小写不敏感
    const normalizedLang = lang.toLowerCase();
    // 返回映射值或默认原样返回（保持与Python版本相同行为）
    return extensionMap[normalizedLang] || lang;
}
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