mcp-experts/dist/config.js

MCP server providing multiple AI experts with specialized knowledge

import * as fs from 'fs';
import * as path from 'path';
import * as os from 'os';
import * as yaml from 'js-yaml';
import { ConfigSchema } from './types.js';
function expandEnvVars(text) {
    return text.replace(/\$\{([^}]+)\}/g, (match, varName) => {
        return process.env[varName] || match;
    });
}
function expandEnvVarsInObject(obj) {
    if (typeof obj === 'string') {
        return expandEnvVars(obj);
    }
    else if (Array.isArray(obj)) {
        return obj.map(expandEnvVarsInObject);
    }
    else if (obj && typeof obj === 'object') {
        const result = {};
        for (const [key, value] of Object.entries(obj)) {
            result[key] = expandEnvVarsInObject(value);
        }
        return result;
    }
    return obj;
}
export function loadConfig(configPath) {
    const homeConfigPath = path.join(os.homedir(), '.experts.yaml');
    const cwdConfigPath = path.join(process.cwd(), 'experts-config.yaml');
    let finalConfigPath;
    if (configPath) {
        // Use explicitly provided config path
        finalConfigPath = configPath;
    }
    else if (fs.existsSync(homeConfigPath)) {
        // Use home directory config if it exists
        finalConfigPath = homeConfigPath;
    }
    else if (fs.existsSync(cwdConfigPath)) {
        // Fall back to current directory config
        finalConfigPath = cwdConfigPath;
    }
    else {
        throw new Error(`Configuration file not found. Please run 'npx mcp-experts-setup' or create ~/.experts.yaml`);
    }
    const configContent = fs.readFileSync(finalConfigPath, 'utf8');
    const rawConfig = yaml.load(configContent);
    // Expand environment variables
    const expandedConfig = expandEnvVarsInObject(rawConfig);
    // Validate configuration
    const config = ConfigSchema.parse(expandedConfig);
    return config;
}
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