Function isEmpty

isEmpty(thing: Option<unknown>): boolean
Determines if the given thing is empty.

Things are empty when:
- They are None
- They are empty strings
- They are strings of only whitespace
- They have length or size
Parameters
- thing: Option<unknown>
Returns boolean
Example
```
isEmpty([]); // true
isEmpty([0]); // false
isEmpty(""); // true
isEmpty(" "); // true
isEmpty(new Set()); // true
isEmpty({}); // true
isEmpty(new Map()); // true
isEmpty(wrap(null)); // true
isEmpty(wrap('')); // false
isEmpty(wrap(' ')); // false
```
- Defined in core.ts:182

isEmpty(thing: UnknownList): boolean

Determines if the given thing is empty.

Things are empty when:

They are None
They are empty strings
They are strings of only whitespace
They have length or size

Parameters

thing: UnknownList

Returns boolean

Example

isEmpty([]); // true
isEmpty([0]); // false
isEmpty(""); // true
isEmpty(" "); // true
isEmpty(new Set()); // true
isEmpty({}); // true
isEmpty(new Map()); // true
isEmpty(wrap(null)); // true
isEmpty(wrap('')); // false
isEmpty(wrap(' ')); // false

isEmpty(thing: unknown): boolean

Determines if the given thing is empty.

Things are empty when:

They are None
They are empty strings
They are strings of only whitespace
They have length or size

Parameters

thing: unknown

Returns boolean

Example

isEmpty([]); // true
isEmpty([0]); // false
isEmpty(""); // true
isEmpty(" "); // true
isEmpty(new Set()); // true
isEmpty({}); // true
isEmpty(new Map()); // true
isEmpty(wrap(null)); // true
isEmpty(wrap('')); // false
isEmpty(wrap(' ')); // false

Function isEmpty

Parameters

Returns boolean

Example

Parameters

Returns boolean

Example

Parameters

Returns boolean

Example

Settings