npmplus-mcp-server/dist/utils/path-resolver.js

Production-ready MCP server for intelligent JavaScript package management. Works with Claude, Windsurf, Cursor, VS Code, and any MCP-compatible AI editor.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolveCwd = resolveCwd;
exports.isNodeProject = isNodeProject;
exports.resolveProjectCwd = resolveProjectCwd;
const path_1 = require("path");
const fs_1 = require("fs");
/**
 * Resolves a directory path, handling relative paths like "." properly
 *
 * @param cwd - The directory path that might be relative
 * @returns Absolute path to the directory
 * @throws Error if the path doesn't exist or isn't a directory
 */
function resolveCwd(cwd) {
    let resolvedPath;
    // Handle special case of "." which should be current working directory
    if (cwd === '.') {
        // CRITICAL FIX: When MCP server runs from root, don't resolve "." to "/"
        // Instead, let npm/yarn handle the current directory resolution
        if (process.cwd() === '/') {
            // For MCP servers running from root, return "." to let the package manager
            // resolve it from the actual user's directory
            return '.';
        }
        resolvedPath = process.cwd();
    }
    else if ((0, path_1.isAbsolute)(cwd)) {
        resolvedPath = cwd;
    }
    else {
        // Resolve relative paths against current working directory
        resolvedPath = (0, path_1.resolve)(process.cwd(), cwd);
    }
    // Skip validation for "." when running from root
    if (cwd === '.' && process.cwd() === '/') {
        return '.';
    }
    // Validate that the path exists and is a directory
    if (!(0, fs_1.existsSync)(resolvedPath)) {
        throw new Error(`Invalid project directory: ${resolvedPath} (does not exist)`);
    }
    const stat = (0, fs_1.statSync)(resolvedPath);
    if (!stat.isDirectory()) {
        throw new Error(`Invalid project directory: ${resolvedPath} (not a directory)`);
    }
    return resolvedPath;
}
/**
 * Validates that a directory contains a package.json file
 *
 * @param cwd - The directory path to check
 * @returns True if package.json exists
 */
function isNodeProject(cwd) {
    // Special handling for "." when MCP runs from root
    if (cwd === '.' && process.cwd() === '/') {
        // Can't validate, just trust that npm/yarn will handle it
        return true;
    }
    const resolvedPath = resolveCwd(cwd);
    return (0, fs_1.existsSync)((0, path_1.resolve)(resolvedPath, 'package.json'));
}
/**
 * Resolves and validates a Node.js project directory
 *
 * @param cwd - The directory path that should contain a Node.js project
 * @returns Absolute path to the project directory
 * @throws Error if not a valid Node.js project directory
 */
function resolveProjectCwd(cwd) {
    // Special handling for "." when MCP runs from root
    if (cwd === '.' && process.cwd() === '/') {
        // Return "." to let npm/yarn resolve from their execution context
        return '.';
    }
    const resolvedPath = resolveCwd(cwd);
    if (!isNodeProject(resolvedPath)) {
        throw new Error(`Invalid project directory: ${resolvedPath} (no package.json found)`);
    }
    return resolvedPath;
}
//# sourceMappingURL=path-resolver.js.map