react/packages/shared/invariant.js

26 lines
784 B
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
/**
* Use invariant() to assert state which your program assumes to be true.
*
* Provide sprintf-style format (only %s is supported) and arguments
* to provide information about what broke and what you were
* expecting.
*
* The invariant message will be stripped in production, but the invariant
* will remain to ensure logic does not differ in production.
*/
export default function invariant(condition, format, a, b, c, d, e, f) {
throw new Error(
'Internal React error: invariant() is meant to be replaced at compile ' +
'time. There is no runtime version.',
);
}