rc-js-util/docs/rc-js-util._production.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [\_Production](./rc-js-util._production.md)

## \_Production class

Utilities for production builds.

**Signature:**

```typescript
export declare class _Production 
```

## Methods

<table><thead><tr><th>

Method


</th><th>

Modifiers


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

[assertValueIsNever(\_value)](./rc-js-util._production.assertvalueisnever.md)


</td><td>

`static`


</td><td>

A function that will error if ever called. The parameter is asserted to be never, useful with switch statements, union types etc.


</td></tr>
<tr><td>

[createError(message)](./rc-js-util._production.createerror.md)


</td><td>

`static`


</td><td>

Creates an `Error` with the given message. If `_BUILD.DEBUG` is true and `_BUILD.DISABLE_BREAKPOINT_FLAG` is false or unset then a breakpoint will be hit first. Should not be used for "expected" errors (bad input etc).


</td></tr>
<tr><td>

[error(message)](./rc-js-util._production.error.md)


</td><td>

`static`


</td><td>


</td></tr>
</tbody></table>