Paginator of arrays

This module is a paginator of arrays for simplify the pagination with arrays.
This module split yours arrays in pages and you can recover this pages.

Getting started

Installation

With npm :

npm install array-paginator

With yarn :

yarn add array-paginator

Import module

With CommonJS syntax :

const { Paginator } = require("array-paginator");

With module syntax :

import { Paginator } from "array-paginator";

Usage

Create a new Paginator with an array as a parameter and two optionals parameters : max items per page (default:5) and current page (default:1) :

const paginator = new Paginator(data, 15, 1);

Paginator#push(newData)

Push data in array.

Parameters :

• newData : A new data (type : any).

Type : Boolean

paginator.push(data); // Push data

Paginator#set(newData)

Set data in array.

Parameters :

• newData : An array with new data (type : Array<any>).

Type : Boolean

paginator.set(data); // Set data

Paginator#clear(newData)

Clear data in array.

Parameters :

• newData : An array with new data (type : Array<any>).

Type : Boolean

paginator.clear(data); // Clear data

Paginator#page(page)

Return a specific page.

Parameters :

• page : The page to get (type : number)

Type : Array

const page = paginator.page(1); // Get page one

Paginator#first()

Return the first page.

Type : Array

const firstPage = paginator.first(); // Get first page

Paginator#last()

Return the last page.

Type : Array

const lastPage = paginator.last(); // Get last page

Paginator#next()

Return the next page.

Type : Array

const nextPage = paginator.next(); // Get next page

Paginator#previous()

Return the previous page.

Type : Array

const previousPage = paginator.previous(); // Get previous page

Paginator#hasFirst()

Return true if first page exist.

Type : Boolean

const previousPage = paginator.previous(); // Get previous page

Paginator#hasNext()

Return true if next page exist.

Type : Boolean

const hasNextPage = paginator.hasNext(); // true if next page exists

Paginator#hasPrevious()

Return true if previous page exist.

Type : Boolean

const hasPreviousPage = paginator.hasPrevious(); // true if previous page exists

Paginator#hasLast()

Return true if last page exist.

Type : Boolean

const hasLastPage = paginator.hasLast(); // true if last page exists

Properties

Paginator.current

The current page.
Type : Number

Paginator.all

Return all data.
Type : Array

total

The total of pages.
Type : Number

Example

const { Paginator } = require("array-paginator");
const data = Array.from(new Array(50).keys());
const pager = new Paginator(data, 10);

pager.page(2); // [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
pager.first(); // [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
pager.last(); // [40, 41, 42, 43, 44, 45, 46, 47, 48, 49]
pager.next(); // [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
pager.previous(); // undefined
pager.hasNext(); // true
pager.hasPrevious(); // false

pager.current; //5
pager.all; // [0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, ... 49]
pager.total; //5