@reverse/array

Useful functions for managing arrays.

Install

npm install @reverse/array

Table of Contents

• moveIndex
• removeAt
• removeBy
• shuffle
• unique

Usage

moveIndex(array, oldIndex, newIndex)

Moves an element in an array to a new part of the array.

Parameters

• array: Array: The array to modify.
• • oldIndex: Number: The index of the item to move.
• • newIndex: Number: The new index of the item to move.

Example

import { moveIndex } from '@reverse/array';

moveIndex([1, 2, 3], 0, 2);
// [2, 3, 1]

removeAt(array, index)

Removes an element from an array by it's index.

Parameters

• array: Array: The array to modify.
• index: Number The index to remove.

Example

import { removeAt } from '@reverse/array';

removeAt([1, 2, 3], 1);
// [1, 3]

removeBy(array, value)

Removes an element from an array by it's value.

Parameters

• array: Array: The array to modify.
• value: any The element to remove.

Example

import { removeBy } from '@reverse/array';

removeBy(['A', 'B', 'C'], 'B');
// ['A', 'C']

shuffle(array)

Shuffles an array and returns it.

Paramerters

• array: Array: The array to shuffle.

Example

import { shuffle } from '@reverse/array';

shuffle([1, 2, 3]);
// Example Output: [2, 3, 1]

unique(array)

Returns an array of all the unique values of an array. (i.e. Removes duplicate values.)

Parameters

• array: Array: The array to modify.

Example

import { unique } from '@reverse/array';

unique([1, 1, 2, 3, 4, 4, 4, 4, 5]);
// [1, 2, 3, 4, 5]