rc-js-util/docs/rc-js-util._debug.conditionalblock.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; [\_Debug](./rc-js-util._debug.md) &gt; [conditionalBlock](./rc-js-util._debug.conditionalblock.md)

## \_Debug.conditionalBlock() method

Convenience method to run multiple asserts if flag set.

**Signature:**

```typescript
static conditionalBlock<TKey extends keyof IBuildConstants>(flag: TKey, cb: () => void): boolean;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

flag


</td><td>

TKey


</td><td>


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

cb


</td><td>

() =&gt; void


</td><td>


</td></tr>
</tbody></table>
**Returns:**

boolean

A boolean value to make linting happy...

## Remarks

Must still be hidden behind \_BUILD.DEBUG check for dead code removal.

## Example


```typescript
_BUILD.DEBUG && _Debug.conditionalBlock("SOME_FLAG", () => {
    _Debug.assert(someCondition, "someCondition was wrong");
    // ...
});
```