[fix] TextInput styles

Ref #166

src/components/TextInput/__tests__/index-test.js

@@ -223,6 +223,19 @@ suite('components/TextInput', () => {
     // assert.equal(input.node.selectionStart, 0)
   })
 
+  test('prop "style"', () => {
+    const styles = StyleSheet.create({
+      root: {
+        borderWidth: 1,
+        textAlign: 'center'
+      }
+    })
+    const textInput = shallow(<TextInput style={styles.root} />)
+    const input = findNativeInput(textInput)
+    assert.equal(StyleSheet.flatten(textInput.prop('style')).borderWidth, 1, 'expected View styles to be applied to the "View"')
+    assert.equal(input.prop('style').textAlign, 'center', 'expected Text styles to be applied to the "input"')
+  })
+
   test('prop "value"', () => {
     const value = 'value'
     const input = findNativeInput(shallow(<TextInput value={value} />))

src/components/TextInput/index.js

@@ -121,8 +121,9 @@ class TextInput extends Component {
     // In order to support 'Text' styles on 'TextInput', we split the 'Text'
     // and 'View' styles and apply them to the 'Text' and 'View' components
     // used in the implementation
-    const rootStyles = pick(style, viewStyleProps)
-    const textStyles = omit(style, viewStyleProps)
+    const flattenedStyle = StyleSheet.flatten(style)
+    const rootStyles = pick(flattenedStyle, viewStyleProps)
+    const textStyles = omit(flattenedStyle, viewStyleProps)
 
     const propsCommon = {
       autoComplete: autoComplete && 'on',
@@ -236,8 +237,7 @@ applyNativeMethods(TextInput)
 
 const styles = StyleSheet.create({
   initial: {
-    borderColor: 'black',
-    borderWidth: 1
+    borderColor: 'black'
   },
   wrapper: {
     flex: 1