iOS: Introduce spellCheck prop to TextInput

Libraries/Components/TextInput/TextInput.js

@@ -194,6 +194,12 @@ const TextInput = React.createClass({
      * If `false`, disables auto-correct. The default value is `true`.
      */
     autoCorrect: PropTypes.bool,
+    /**
+     * If `false`, disables spell-check style (i.e. red underlines).
+     * The default value is inherited from `autoCorrect`.
+     * @platform ios
+     */
+    spellCheck: PropTypes.bool,
     /**
      * If `true`, focuses the input on `componentDidMount`.
      * The default value is `false`.

Libraries/Text/RCTConvert+Text.h

@@ -12,5 +12,6 @@
 @interface RCTConvert (Text)
 
 + (UITextAutocorrectionType)UITextAutocorrectionType:(id)json;
++ (UITextSpellCheckingType)UITextSpellCheckingType:(id)json;
 
 @end

Libraries/Text/RCTConvert+Text.m

@@ -19,4 +19,12 @@ + (UITextAutocorrectionType)UITextAutocorrectionType:(id)json
     UITextAutocorrectionTypeNo;
 }
 
++ (UITextSpellCheckingType)UITextSpellCheckingType:(id)json
+{
+  return
+    json == nil ? UITextSpellCheckingTypeDefault :
+    [RCTConvert BOOL:json] ? UITextSpellCheckingTypeYes :
+    UITextSpellCheckingTypeNo;
+}
+
 @end

Libraries/Text/RCTTextFieldManager.m

@@ -77,6 +77,7 @@ - (BOOL)textFieldShouldEndEditing:(RCTTextField *)textField
 
 RCT_EXPORT_VIEW_PROPERTY(caretHidden, BOOL)
 RCT_REMAP_VIEW_PROPERTY(autoCorrect, autocorrectionType, UITextAutocorrectionType)
+RCT_REMAP_VIEW_PROPERTY(spellCheck, spellCheckingType, UITextSpellCheckingType)
 RCT_REMAP_VIEW_PROPERTY(editable, enabled, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(placeholder, NSString)
 RCT_EXPORT_VIEW_PROPERTY(placeholderTextColor, UIColor)

Libraries/Text/RCTTextView.h

@@ -17,6 +17,7 @@
 @interface RCTTextView : RCTView <UITextViewDelegate>
 
 @property (nonatomic, assign) UITextAutocorrectionType autocorrectionType;
+@property (nonatomic, assign) UITextSpellCheckingType spellCheckingType;
 @property (nonatomic, assign) BOOL blurOnSubmit;
 @property (nonatomic, assign) BOOL clearTextOnFocus;
 @property (nonatomic, assign) BOOL selectTextOnFocus;

Libraries/Text/RCTTextView.m

@@ -529,6 +529,16 @@ - (UITextAutocorrectionType)autocorrectionType
   return _textView.autocorrectionType;
 }
 
+- (void)setSpellCheckingType:(UITextSpellCheckingType)spellCheckingType
+{
+  _textView.spellCheckingType = spellCheckingType;
+}
+
+- (UITextSpellCheckingType)spellCheckingType
+{
+  return _textView.spellCheckingType;
+}
+
 - (BOOL)textViewShouldBeginEditing:(UITextView *)textView
 {
   if (_selectTextOnFocus) {

Libraries/Text/RCTTextViewManager.m

@@ -27,6 +27,7 @@ - (UIView *)view
 
 RCT_REMAP_VIEW_PROPERTY(autoCapitalize, textView.autocapitalizationType, UITextAutocapitalizationType)
 RCT_REMAP_VIEW_PROPERTY(autoCorrect, autocorrectionType, UITextAutocorrectionType)
+RCT_REMAP_VIEW_PROPERTY(spellCheck, spellCheckingType, UITextSpellCheckingType)
 RCT_EXPORT_VIEW_PROPERTY(blurOnSubmit, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(clearTextOnFocus, BOOL)
 RCT_REMAP_VIEW_PROPERTY(color, textView.textColor, UIColor)