From 4d5a36f8b97f3ff4b51628f88d53b764697d72a3 Mon Sep 17 00:00:00 2001
From: Ben-hur Santos Ott <ben-hur@outlook.com>
Date: Fri, 17 Feb 2017 20:51:39 -0200
Subject: [PATCH] 1.3.1: improve performance

---
 README.md                  |  3 +++
 lib/base-text-component.js | 26 ++++++++++++++++++--------
 package.json               |  2 +-
 3 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index df821f79..56b83920 100644
--- a/README.md
+++ b/README.md
@@ -257,6 +257,9 @@ var money = MaskService.toMask('money', '123', {
 
 
 # Changelog
+## 1.3.1
+* Performance: adding check if the next value to be applied to the mask is equal as actual and prevent state change.
+
 ## 1.3.0
 * Feat: now you can check and prevent input text on `TextInputMask` using `checkText` prop.
 
diff --git a/lib/base-text-component.js b/lib/base-text-component.js
index 3648d57b..a9242497 100644
--- a/lib/base-text-component.js
+++ b/lib/base-text-component.js
@@ -26,11 +26,17 @@ export default class BaseTextComponent extends Component {
 
         return new Promise((resolve, reject) => {
             let maskedText = self._getMaskedValue(text);
-            self.setState({
-                value: maskedText
-            }, () => {
-                resolve(maskedText);
-            });
+
+			if(self._mustUpdateValue(maskedText)) {
+				self.setState({
+					value: maskedText
+				}, () => {
+					resolve(maskedText);
+				});
+			}
+			else {
+				resolve(this.state.value);
+			}
         });
     }
 
@@ -48,6 +54,10 @@ export default class BaseTextComponent extends Component {
         );
     }
 
+	_mustUpdateValue(newValue) {
+		return this.state.value !== newValue;
+	}
+
     _resolveMaskHandler() {
         this._maskHandler = MaskResolver.resolve(this.state.type);
     }
@@ -63,7 +73,7 @@ export default class BaseTextComponent extends Component {
             if(changeMaskHandler) {
                 self._resolveMaskHandler();
             }
-            
+
             self.setState({
                 value: self._getMaskedValue(props.value)
             });
@@ -72,7 +82,7 @@ export default class BaseTextComponent extends Component {
 
     _getMaskedValue(value) {
         return this._maskHandler.getValue(
-            this._getDefaultValue(value), 
+            this._getDefaultValue(value),
             this.state.options);
 	}
 
@@ -83,4 +93,4 @@ export default class BaseTextComponent extends Component {
 
 		return value;
 	}
-}
\ No newline at end of file
+}
diff --git a/package.json b/package.json
index 128c0077..1db8bd8f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-masked-text",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Text and TextInput with mask for React Native applications",
   "main": "index.js",
   "scripts": {