// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

/* eslint-disable no-eval */

export function evaluate (input) {
  try {
    const result = eval.apply(window, [ `${input}` ]);

    return { result };
  } catch (err) {
    try {
      const result = eval.apply(window, [ `(function () {
        var x = ${input};
        return x;
      })()` ]);

      return { result };
    } catch (error) {
      return { error };
    }
  }
}