deth/dist/esm/config/loader.js

Ethereum node focused on Developer Experience

import { getDirName } from '../fs/Path';
import { getConfigWithDefaults } from './config';
/**
 * Loads config from a directory
 * TODO:
 * - support autofinding file based only on dir path
 * - support at least JSON/JS/TS
 * - typecheck config with iots
 * - load BN values as strings in JSON
 */
export function loadConfig(fs, path) {
    const exists = fs.fileExists(path);
    if (!exists) {
        throw new Error(`Couldn't load config at ${path}`);
    }
    // @todo parse / typecheck config. We can utilize io-ts for that
    const config = fs.requireFile(path);
    config.cwd = getDirName(path); // set cwd to config path
    return getConfigWithDefaults(config);
}