/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

// invariant(condition, message) will refine types based on "condition", and
// if "condition" is false will throw an error. This function is special-cased
// in flow itself, so we can't name it anything else.
export default function invariant(
    cond?: boolean,
    message?: string,
    ...args: string[]
): asserts cond {
    if (cond) {
        return;
    }

    throw new Error(
        'Internal Lexical error: invariant() is meant to be replaced at compile ' +
        'time. There is no runtime version. Error: ' +
        message,
    );
}