verror-0/lib/esm/error-for-each.js

VError without dependencies on top of nodejs standart library

import { isError } from './is-error.js';
import { MultiError } from './multi-error.js';
export const errorForEach = (err, cb) => {
    if (!isError(err)) {
        throw new Error('err must be an Error');
    }
    if (err instanceof MultiError) {
        err.errors().forEach((e) => cb(e));
    }
    else {
        cb(err);
    }
};