placeholder functionality updates to pass aslant.

Author: billmalarky

lib/imageCacheHoc.js

@@ -37,7 +37,11 @@ export default function imageCacheHoc(Image, options = {}) {
       fileHostWhitelist: PropTypes.array,
       source: PropTypes.object.isRequired,
       permanent: PropTypes.bool,
-      style: View.propTypes.style
+      style: View.propTypes.style,
+      placeholder: PropTypes.shape({
+        component: PropTypes.func,
+        props: PropTypes.object
+      })
     };
 
     constructor(props) {

tests/CacheableImage.test.js

@@ -82,7 +82,8 @@ describe('CacheableImage', function() {
       'fileHostWhitelist',
       'source',
       'permanent',
-      'style'
+      'style',
+      'placeholder'
     ]);
 
   });

tests/imageCacheHoc.test.js

@@ -78,7 +78,7 @@ describe('CacheableImage', function() {
         width:150,
         height: 204
       },
-      placeholderImage: {
+      placeholderImage: { // eslint-disable-line react-native/no-color-literals
         width:150,
         height: 204,
         backgroundColor: '#00ffff'
@@ -125,7 +125,7 @@ describe('CacheableImage', function() {
         width:150,
         height: 204
       },
-      optionPlaceholder: {
+      optionPlaceholder: { // eslint-disable-line react-native/no-color-literals
         width:150,
         height: 204,
         backgroundColor: '#dc143c'