Function parseBoolean

parseBoolean(
value: string | number | boolean | undefined,
defaultValue?: boolean,
): boolean
Parses a value and converts it to a boolean. It supports different types of input, including strings, numbers, booleans, null, and undefined.
- If the value is a boolean, it is returned as-is.
- If the value is a number, it is interpreted as 0 for false and 1 for true.
- If the value is a string, it is converted to lowercase and compared against the values 'true', '1', 'false', and '0'.
- If the value is null or undefined, the provided defaultValue is returned or false if no defaultValue is provided.
Parameters
- value: string | number | boolean | undefined
  The value to be parsed as a boolean.
- OptionaldefaultValue: boolean = false
  The default value to return if the input is null, undefined, or cannot be parsed. Defaults to false.
Returns boolean
The parsed boolean value.
Example
```
parseBoolean('true'); // Returns true
parseBoolean(1); // Returns true
parseBoolean('false'); // Returns false
parseBoolean(0); // Returns false
parseBoolean(null, true); // Returns true
parseBoolean(undefined, true); // Returns true
parseBoolean('some string', false); // Returns false
```
- Defined in core/parse-boolean.ts:26