Function getProp

getProp<T, P>(obj, path, defaultValue?): any
Gets a property value from an object using a dot-notation path
Type Parameters
- T extends NestedObject
- P extends string
Parameters
- obj: T
  The object to get the property from
- path: P
  The dot-notation path to the property (e.g., 'user.name')
- Optional defaultValue: any
  (Optional) Value to return if property is not found
Returns any
The value of the property, defaultValue if provided and property not found, or undefined
Throws
Error if input validation fails

Example
```
const obj = { user: { name: 'Flavio Ever' } };
getProp(obj, 'user.name'); // Returns 'Flavio Ever'
getProp(obj, 'user.age', 30); // Returns 30 (default value)
getProp(obj, 'user.nonExistent'); // Returns undefined
```
- Defined in props.ts:230