# Installation
> `npm install --save @types/invariant`
# Summary
This package contains type definitions for invariant (https://github.com/zertosh/invariant).
# Details
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/invariant.
## [index.d.ts](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/invariant/index.d.ts)
````ts
// Type definitions for invariant 2.2
// Project: https://github.com/zertosh/invariant
// Definitions by: MichaelBennett <https://github.com/bennett000>
// dtinth <https://github.com/dtinth>
// Turadg Aleahmad <https://github.com/turadg>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
declare let invariant: invariant.InvariantStatic;
export = invariant;
export as namespace invariant;
declare namespace invariant {
interface InvariantStatic {
(testValue: false, format: string, ...extra: any[]): never;
(testValue: any, format: string, ...extra: any[]): asserts testValue;
}
}
````
### Additional Details
* Last updated: Thu, 26 Aug 2021 01:01:28 GMT
* Dependencies: none
* Global values: `invariant`
# Credits
These definitions were written by [MichaelBennett](https://github.com/bennett000), [dtinth](https://github.com/dtinth), and [Turadg Aleahmad](https://github.com/turadg).