config.ts•1.2 kB
import { ConfigurationError } from './errors';
export interface ServerConfig {
port?: number;
braveApiKey: string;
updateInterval?: number;
cacheDuration?: number;
debugMode?: boolean;
}
export function loadConfig(): ServerConfig {
const config: ServerConfig = {
port: parseInt(process.env.PORT || '3000', 10),
braveApiKey: process.env.BRAVE_API_KEY || '',
updateInterval: parseInt(process.env.UPDATE_INTERVAL || '3600000', 10),
cacheDuration: parseInt(process.env.CACHE_DURATION || '86400000', 10),
debugMode: process.env.DEBUG === 'true'
};
validateConfig(config);
return config;
}
function validateConfig(config: ServerConfig): void {
if (!config.braveApiKey) {
throw new ConfigurationError('BRAVE_API_KEY is required');
}
if (isNaN(config.port!) || config.port! < 0 || config.port! > 65535) {
throw new ConfigurationError('Invalid port number');
}
if (config.updateInterval! < 0) {
throw new ConfigurationError('UPDATE_INTERVAL must be positive');
}
if (config.cacheDuration! < 0) {
throw new ConfigurationError('CACHE_DURATION must be positive');
}
}