node-postgres/index.d.ts

export function parse(connectionString: string): ConnectionOptions;

export interface ConnectionOptions {
  host: string | null;
  password?: string;
  user?: string;
  port?: string | null;
  database: string | null | undefined;
  client_encoding?: string;
  ssl?: boolean | string;

  application_name?: string;
  fallback_application_name?: string;
}