@graphql-tools/utils/esm/map-maybe-promise.js

Common package containing utils and types for GraphQL tools

import { isPromise } from './jsutils.js';
export function mapMaybePromise(value, mapper, errorMapper) {
    if (isPromise(value)) {
        if (errorMapper) {
            try {
                return value.then(mapper, errorMapper);
            }
            catch (e) {
                return errorMapper(e);
            }
        }
        return value.then(mapper);
    }
    if (errorMapper) {
        try {
            return mapper(value);
        }
        catch (e) {
            return errorMapper(e);
        }
    }
    return mapper(value);
}