Function expectToBeDefined

expectToBeDefined<T>(arg: T): asserts arg is Exclude<T, undefined>
Equivalent to calling vitest.expect(arg).toBeDefined() while also asserting arg to be defined.
Type Parameters
- T
  The type of arg.
Parameters
- arg: T
  The variable to be asserted.
Returns asserts arg is Exclude<T, undefined>
undefined.
Assert
arg is not undefined.
Example
```
const iAmDefined: number | undefined = Math.random() < 1 ? 10 : undefined;
expectToBeDefined(iAmDefined);
expect(iAmDefined + 1).toBe(11);
```
- Defined in src/expect.ts:58