Function isNonEmptyArray

isNonEmptyArray<T>(array: T[]): array is [T, ...T[]]
Type guard that narrows an array to a non-empty tuple type. After this check, TypeScript knows arr[0] is defined.
Type Parameters
- T
Parameters
- array: T[]
Returns array is [T, ...T[]]
Example
```
if (!isNonEmptyArray(items)) {
  return;
}
// items[0] is now typed as T (not T | undefined)
const first = items[0];
```
- Defined in packages/util-ts/src/lib/arrays/isNonEmptyArray.ts:12