marcllahona / rxpager

Pager for RxSwift

RxPager

[](https://travis-ci.org/Pierre-Guillaume Herveou/RxPager)

Usage

import RxSwift
import RxPager

let pager: Pager<[Int]> = Pager(
  
  // paging function, take previous Page, return Observable<Page>
  paging: { (previousPage: Page?) -> Observable<Page> in
    let last = previousPage?.values.last ?? 0
    return Observable.just([last + 1, last + 2, last + 3])
  },
  
  // return true if there are more pages to be emitted
  hasNext: { (page: [Int]?) -> Bool in
    return page?.last < 10
  }
)

pager
  .page
  .scan([Int]()) { $0 + $1 }
  .subscribeNext { print($0) } 

// print [1, 2 ,3]
pager.next() // print [1, 2 ,3, 4, 5, 6]
pager.next() // print [1, 2 ,3, 4, 5, 6, 7, 8, 9]
pager.next() // print [1, 2 ,3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

Api

Pager<Page>(paging: Paging, hasNext: HasNext)

paging: (Page?) -> Observable<Page>

Take the previous page and return the next Observable

hasNext: (Page?) -> Observable<Page>>

Take the last page and return true if there are more pages to load

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Requirements

Installation

RxPager is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "RxPager"

Credits

This pod is inspired by inspired by @mttkay work https://gist.github.com/mttkay/24881a0ce986f6ec4b4d

License

RxPager is available under the MIT license. See the LICENSE file for more info.