Merge pull request #64 from trevorah/master

Update types as `get` will return null if a key is not set on android

Author: kevinresol

README.md

@@ -54,7 +54,7 @@ DefaultPreference.set('my key', 'my value').then(function() {console.log('done')
 ## API
 
 ```typescript
-function get(key: string): Promise<string | undefined>;
+function get(key: string): Promise<string | undefined | null>;
 function set(key: string, value: string): Promise<void>;
 function clear(key: string): Promise<void>;
 function getMultiple(keys: string[]): Promise<string[]>;

flow-typed/index.js

@@ -9,7 +9,7 @@ declare module "react-native-default-preference" {
  [key: string]: string;
  }
  declare export default class RNDefaultPreference {
- static get(key: string): Promise<string | undefined>;
+ static get(key: string): Promise<string | undefined | null>;
  static set(key: string, value: string): Promise<void>;
  static clear(key: string): Promise<void>;
  static getMultiple(keys: string[]): Promise<RNDefaultPreferenceKeys>;

index.d.ts

@@ -4,7 +4,7 @@ declare module 'react-native-default-preference' {
  }
 
  export default class RNDefaultPreference {
- static get(key: string): Promise<string | undefined>;
+ static get(key: string): Promise<string | undefined | null>;
  static set(key: string, value: string): Promise<void>;
  static clear(key: string): Promise<void>;
  static getMultiple(keys: string[]): Promise<string[]>;