add

lib/utils/index.js

@@ -17,11 +17,9 @@ const DEFAULT_CHUNK_SIZE = 50;
  * @param joiner
  * @returns {*}
  */
-export function deepGet(
+export function deepGet(object: Object,
-  object: Object,
                         path: string,
-  joiner?: string = '/'
+                        joiner?: string = '/'): any {
-): any {
   const keys = path.split(joiner);
 
   let i = 0;
@@ -45,11 +43,9 @@ export function deepGet(
  * @param joiner
  * @returns {*}
  */
-export function deepExists(
+export function deepExists(object: Object,
-  object: Object,
                            path: string,
-  joiner?: string = '/'
+                           joiner?: string = '/'): boolean {
-): boolean {
   const keys = path.split(joiner);
 
   let i = 0;
@@ -92,6 +88,15 @@ export function isString(value): Boolean {
   return typeof value === 'string';
 }
 
+export function isIOS() {
+  return Platform.OS === 'ios';
+}
+
+export function isAndroid() {
+  return Platform.OS === 'android';
+}
+
+
 /**
  *
  * @param string
@@ -137,12 +142,10 @@ export function noop(): void {
  * @param callback
  * @private
  */
-function _delayChunk(
+function _delayChunk(collection: Array<*>,
-  collection: Array<*>,
                      chunkSize: number,
                      operation: Function,
-  callback: Function
+                     callback: Function): void {
-): void {
   const length = collection.length;
   const iterations = Math.ceil(length / chunkSize);
 
@@ -170,12 +173,10 @@ function _delayChunk(
  * @param iterator
  * @param cb
  */
-export function each(
+export function each(array: Array<*>,
-  array: Array<*>,
                      chunkSize: number | Function,
                      iterator: Function,
-  cb?: Function
+                     cb?: Function): void {
-): void {
   if (typeof chunkSize === 'function') {
     cb = iterator;
     iterator = chunkSize;
@@ -210,12 +211,10 @@ export function typeOf(value: any): string {
  * @param cb
  * @returns {*}
  */
-export function map(
+export function map(array: Array<*>,
-  array: Array<*>,
                     chunkSize: number | Function,
                     iterator: Function,
-  cb?: Function
+                    cb?: Function): void {
-): void {
   if (typeof chunkSize === 'function') {
     cb = iterator;
     iterator = chunkSize;