fix(TypeScript): update typescript definitions for downshift componen…

…ts (downshift-js#254)

* Add type signature for onSelect function

* Add other missing Downshift prop types

also update the contributors and readme in line with contributing
guidelines

* correct a typo

.all-contributorsrc

@@ -408,6 +408,15 @@
         "code",
         "test"
       ]
+    },
+    {
+      "login": "Jwhiles",
+      "name": "John Whiles",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/20307225?v=4",
+      "profile": "http://www.johnwhiles.com",
+      "contributions": [
+        "code"
+      ]
     }
   ]
 }

README.md

@@ -17,7 +17,7 @@ autocomplete/dropdown/select/combobox components</p>
 [![version][version-badge]][package]
 [![MIT License][license-badge]][LICENSE]
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-42-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-43-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs]
 [![Chat][chat-badge]][chat]
 [![Code of Conduct][coc-badge]][coc]
@@ -657,6 +657,7 @@ Thanks goes to these people ([emoji key][emojis]):
 | [<img src="https://avatars0.githubusercontent.com/u/1402095?v=4" width="100px;"/><br /><sub><b>Matt Parrish</b></sub>](https://github.com/pbomb)<br />[🔧](#tool-pbomb "Tools") [👀](#review-pbomb "Reviewed Pull Requests") | [<img src="https://avatars1.githubusercontent.com/u/11661846?v=4" width="100px;"/><br /><sub><b>thom</b></sub>](http://thom.kr)<br />[💻](https://github.com/paypal/downshift/commits?author=thomhos "Code") | [<img src="https://avatars2.githubusercontent.com/u/1088312?v=4" width="100px;"/><br /><sub><b>Vu Tran</b></sub>](http://twitter.com/tranvu)<br />[💻](https://github.com/paypal/downshift/commits?author=vutran "Code") | [<img src="https://avatars1.githubusercontent.com/u/74193?v=4" width="100px;"/><br /><sub><b>Codie Mullins</b></sub>](https://github.com/codiemullins)<br />[💻](https://github.com/paypal/downshift/commits?author=codiemullins "Code") [💡](#example-codiemullins "Examples") | [<img src="https://avatars3.githubusercontent.com/u/12202757?v=4" width="100px;"/><br /><sub><b>Mohammad Rajabifard</b></sub>](https://morajabi.me)<br />[📖](https://github.com/paypal/downshift/commits?author=morajabi "Documentation") [🤔](#ideas-morajabi "Ideas, Planning, & Feedback") | [<img src="https://avatars3.githubusercontent.com/u/9488719?v=4" width="100px;"/><br /><sub><b>Frank Tan</b></sub>](https://github.com/tansongyang)<br />[💻](https://github.com/paypal/downshift/commits?author=tansongyang "Code") | [<img src="https://avatars3.githubusercontent.com/u/5093058?v=4" width="100px;"/><br /><sub><b>Kier Borromeo</b></sub>](https://kierb.com)<br />[💡](#example-srph "Examples") |
 | [<img src="https://avatars1.githubusercontent.com/u/8969456?v=4" width="100px;"/><br /><sub><b>Paul Veevers</b></sub>](https://github.com/paul-veevers)<br />[💻](https://github.com/paypal/downshift/commits?author=paul-veevers "Code") | [<img src="https://avatars2.githubusercontent.com/u/13622298?v=4" width="100px;"/><br /><sub><b>Ron Cruz</b></sub>](https://github.com/Ronolibert)<br />[📖](https://github.com/paypal/downshift/commits?author=Ronolibert "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/13605633?v=4" width="100px;"/><br /><sub><b>Rick McGavin</b></sub>](http://rickmcgavin.github.io)<br />[📖](https://github.com/paypal/downshift/commits?author=rickMcGavin "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/869669?v=4" width="100px;"/><br /><sub><b>Jelle Versele</b></sub>](http://twitter.com/vejersele)<br />[💡](#example-vejersele "Examples") | [<img src="https://avatars1.githubusercontent.com/u/202773?v=4" width="100px;"/><br /><sub><b>Brent Ertz</b></sub>](https://github.com/brentertz)<br />[🤔](#ideas-brentertz "Ideas, Planning, & Feedback") | [<img src="https://avatars3.githubusercontent.com/u/8015514?v=4" width="100px;"/><br /><sub><b>Justice Mba </b></sub>](https://github.com/Dajust)<br />[💻](https://github.com/paypal/downshift/commits?author=Dajust "Code") [📖](https://github.com/paypal/downshift/commits?author=Dajust "Documentation") [🤔](#ideas-Dajust "Ideas, Planning, & Feedback") | [<img src="https://avatars2.githubusercontent.com/u/3925281?v=4" width="100px;"/><br /><sub><b>Mark Ellis</b></sub>](http://mfellis.com)<br />[🤔](#ideas-ellismarkf "Ideas, Planning, & Feedback") |
 | [<img src="https://avatars1.githubusercontent.com/u/3241922?v=4" width="100px;"/><br /><sub><b>us͡an̸df͘rien͜ds͠</b></sub>](http://ronak.io/)<br />[🐛](https://github.com/paypal/downshift/issues?q=author%3Ausandfriends "Bug reports") [💻](https://github.com/paypal/downshift/commits?author=usandfriends "Code") [⚠️](https://github.com/paypal/downshift/commits?author=usandfriends "Tests") | [<img src="https://avatars0.githubusercontent.com/u/474248?v=4" width="100px;"/><br /><sub><b>Robin Drexler</b></sub>](https://www.robin-drexler.com/)<br />[🐛](https://github.com/paypal/downshift/issues?q=author%3Arobin-drexler "Bug reports") [💻](https://github.com/paypal/downshift/commits?author=robin-drexler "Code") | [<img src="https://avatars0.githubusercontent.com/u/7406639?v=4" width="100px;"/><br /><sub><b>Arturo Romero</b></sub>](http://arturoromero.info/)<br />[💡](#example-arturoromeroslc "Examples") | [<img src="https://avatars0.githubusercontent.com/u/3998604?v=4" width="100px;"/><br /><sub><b>Dave Garwacke</b></sub>](http://www.warbyparker.com)<br />[📖](https://github.com/paypal/downshift/commits?author=ifyoumakeit "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/11758660?v=4" width="100px;"/><br /><sub><b>Ivan Pazhitnykh</b></sub>](http://linkedin.com/in/drapegnik)<br />[💻](https://github.com/paypal/downshift/commits?author=Drapegnik "Code") [⚠️](https://github.com/paypal/downshift/commits?author=Drapegnik "Tests") | [<img src="https://avatars0.githubusercontent.com/u/61776?v=4" width="100px;"/><br /><sub><b>Luis Merino</b></sub>](https://github.com/Rendez)<br />[📖](https://github.com/paypal/downshift/commits?author=Rendez "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/8746094?v=4" width="100px;"/><br /><sub><b>Andrew Hansen</b></sub>](http://twitter.com/arahansen)<br />[💻](https://github.com/paypal/downshift/commits?author=arahansen "Code") [⚠️](https://github.com/paypal/downshift/commits?author=arahansen "Tests") |
+| [<img src="https://avatars3.githubusercontent.com/u/20307225?v=4" width="100px;"/><br /><sub><b>John Whiles</b></sub>](http://www.johnwhiles.com)<br />[💻](https://github.com/paypal/downshift/commits?author=Jwhiles "Code") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors][all-contributors] specification.

typings/index.d.ts

@@ -1,33 +1,42 @@
 import * as React from 'react'
 
 export interface DownshiftProps {
-  children: ChildrenFunction
-  defaultHighlightedIndex?: number | null
   defaultSelectedItem?: any
+  defaultHighlightedIndex?: number | null
   defaultInputValue?: string
   defaultIsOpen?: boolean
-  getA11yStatusMessage?: (options: A11yStatusMessageOptions) => any
   itemToString?: (item: any) => string
+  selectedItemChanged?: (prevItem: any, item: any) => boolean
+  getA11yStatusMessage?: (options: A11yStatusMessageOptions) => any
   onChange?: (
     selectedItem: any,
     stateAndHelpers: ControllerStateAndHelpers,
   ) => void
-  onOuterClick?: () => void
+  onSelect?: (
+    selectedItem: any,
+    stateAndHelpers: ControllerStateAndHelpers,
+  ) => void
   onStateChange?: (
     options: StateChangeOptions,
     stateAndHelpers: ControllerStateAndHelpers,
   ) => void
-  onUserAction?: (
-    options: StateChangeOptions,
+  onInputValueChange?: (
+    inputValue: string,
     stateAndHelpers: ControllerStateAndHelpers,
   ) => void
   itemCount?: number
-  selectedItem?: any
-  isOpen?: boolean
-  inputValue?: string
   highlightedIndex?: number
+  inputValue?: string
+  isOpen?: boolean
+  selectedItem?: any
+  children: ChildrenFunction
   id?: string
   environment?: Environment
+  onOuterClick?: () => void
+  onUserAction?: (
+    options: StateChangeOptions,
+    stateAndHelpers: ControllerStateAndHelpers,
+  ) => void
 }
 
 export interface Environment {