File size: 590 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | /**
* Throws an error if the condition is not met.
*
* The error is exhaustive in development, and becomes generic in production.
*
* This is used to make development a better experience to provide guidance as
* to where the error comes from.
*/
export function invariant(
condition: boolean,
message: string | (() => string)
): asserts condition {
if (condition) {
return;
}
if (!__DEV__) {
throw new Error('Invariant failed');
}
if (__DEV__) {
throw new Error(
`[InstantSearch] ${typeof message === 'function' ? message() : message}`
);
}
}
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