import { existsSync } from "fs";
import grabDirNames from "../utils/grab-dir-names";
import exitWithError from "../utils/exit-with-error";
export default async function grabConfig() {
    try {
        const { CONFIG_FILE } = grabDirNames();
        if (!existsSync(CONFIG_FILE)) {
            exitWithError(`Config file \`${CONFIG_FILE}\` doesn't exist!`);
        }
        const config = (await import(CONFIG_FILE)).default;
        if (!config) {
            exitWithError(`Config file \`${CONFIG_FILE}\` is invalid! Please provide a valid default export in your config file.`);
        }
        return config;
    }
    catch (error) {
        // A config that fails to load (syntax error, bad export) must not be
        // silently replaced by defaults — the app would run with the wrong
        // configuration and nothing would explain why.
        const { CONFIG_FILE } = grabDirNames();
        exitWithError(`Failed to load config file \`${CONFIG_FILE}\`: ${error?.message || error}`);
    }
}