aperture

The aperture function returns a list of consecutive subsets of fixed size extracted from an array.

Syntax

aperture<T>(array: T[], size: number = 1): T[][];

Parameters

Name	Type	Description
array	T[]	Source array
size	number	Size of each subset

Returns

Type	Description
T[][]	List of consecutive subsets

Examples

aperture([1, 2, 3, 4], 2); // => [[1,2],[2,3],[3,4]]
aperture([1, 2, 3], 1); // => [[1],[2],[3]]

Notes

• If the size is greater than the length of the array, returns an empty array.
• Useful for sliding window operations.

References

• https://ramdajs.com/docs/#aperture