unwrapOption

Call Signature

function unwrapOption<T>(option): T | null;

Unwraps the value of an Option, returning its contained value or a fallback.

This function extracts the value T from an Option<T> type.

If the option is Some, it returns the contained value T.
If the option is None, it returns the fallback value U, which defaults to null.

Type Parameter	Description
`T`	The type of the contained value.

Parameter	Type	Description
`option`	`Option`<`T`>	The Option to unwrap.

T | null

The contained value if Some, otherwise the fallback value.

Unwrapping an Option with no fallback.

unwrapOption(some('Hello World')); // "Hello World"
unwrapOption(none());              // null

Providing a custom fallback value.

unwrapOption(some('Hello World'), () => 'Default'); // "Hello World"
unwrapOption(none(), () => 'Default');              // "Default"

function unwrapOption<T, U>(option, fallback): T | U;

Unwraps the value of an Option, returning its contained value or a fallback.

This function extracts the value T from an Option<T> type.

If the option is Some, it returns the contained value T.
If the option is None, it returns the fallback value U, which defaults to null.

Type Parameter	Description
`T`	The type of the contained value.
`U`	The type of the fallback value (defaults to `null`).

Parameter	Type	Description
`option`	`Option`<`T`>	The Option to unwrap.
`fallback`	() => `U`	A function that provides a fallback value if the option is None.

T | U

The contained value if Some, otherwise the fallback value.

Unwrapping an Option with no fallback.

unwrapOption(some('Hello World')); // "Hello World"
unwrapOption(none());              // null

Providing a custom fallback value.

unwrapOption(some('Hello World'), () => 'Default'); // "Hello World"
unwrapOption(none(), () => 'Default');              // "Default"