From c43d1458c7c71f17b29413b613780b15a8222e62 Mon Sep 17 00:00:00 2001
From: Basil Hosmer <bhosmer@fb.com>
Date: Wed, 18 Mar 2015 12:11:40 -0700
Subject: [PATCH] clean flow errors in react-native-github

---
 .flowconfig                                         |  5 +----
 Examples/2048/Game2048.js                           |  5 +++++
 Examples/UIExplorer/ListViewPagingExample.js        |  4 ++--
 Libraries/Animation/POPAnimationMixin.js            |  7 +++----
 Libraries/Components/ListView/ListViewDataSource.js | 12 ++++++++----
 Libraries/react-native/addons.js                    |  2 ++
 6 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/.flowconfig b/.flowconfig
index 20bb687568b14d..82d818dcc09b5b 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -9,7 +9,7 @@
 
 # Ignore react-tools where there are overlaps, but don't ignore anything that
 # react-native relies on
-.*/node_modules/react-tools/src/vendor/.*
+.*/node_modules/react-tools/src/vendor/core/ExecutionEnvironment.js
 .*/node_modules/react-tools/src/browser/.*
 .*/node_modules/react-tools/src/core/ReactInstanceHandles.js
 .*/node_modules/react-tools/src/event/.*
@@ -17,9 +17,6 @@
 # Ignore jest
 .*/react-native/node_modules/jest-cli/.*
 
-# Ignore Libraries
-.*/Libraries/.*
-
 [include]
 
 [libs]
diff --git a/Examples/2048/Game2048.js b/Examples/2048/Game2048.js
index e6b7fa6d4c194a..f4ad51b41ed204 100644
--- a/Examples/2048/Game2048.js
+++ b/Examples/2048/Game2048.js
@@ -129,11 +129,16 @@ class GameEndOverlay extends React.Component {
 }
 
 class Game2048 extends React.Component {
+  startX: number;
+  startY: number;
+
   constructor(props) {
     super(props);
     this.state = {
       board: new GameBoard(),
     };
+    this.startX = 0;
+    this.startY = 0;
   }
 
   restartGame() {
diff --git a/Examples/UIExplorer/ListViewPagingExample.js b/Examples/UIExplorer/ListViewPagingExample.js
index c74795eb5a104e..0eec2700c3c2e3 100644
--- a/Examples/UIExplorer/ListViewPagingExample.js
+++ b/Examples/UIExplorer/ListViewPagingExample.js
@@ -99,11 +99,11 @@ var ListViewPagingExample = React.createClass({
     };
   },
 
-  renderRow: function(rowData, sectionID, rowID) {
+  renderRow: function(rowData: string, sectionID: string, rowID: string): ReactElement {
     return (<Thumb text={rowData}/>);
   },
 
-  renderSectionHeader: function(sectionData, sectionID) {
+  renderSectionHeader: function(sectionData: string, sectionID: string) {
     return (
       <View style={styles.section}>
         <Text style={styles.text}>
diff --git a/Libraries/Animation/POPAnimationMixin.js b/Libraries/Animation/POPAnimationMixin.js
index a3f4b7defeb6ac..49145ebd4f859c 100644
--- a/Libraries/Animation/POPAnimationMixin.js
+++ b/Libraries/Animation/POPAnimationMixin.js
@@ -7,10 +7,11 @@
 'use strict';
 
 var POPAnimation = require('POPAnimation');
+
 if (!POPAnimation) {
   // POP animation isn't available in the OSS fork - this is a temporary
   // workaround to enable its availability to be determined at runtime.
-  module.exports = null;
+  module.exports = (null : ?{});
 } else {
 
 var invariant = require('invariant');
@@ -224,12 +225,10 @@ var POPAnimationMixin = {
       w: frame.width,
       h: frame.height
     };
-    frame = undefined;
-    var velocity = velocity || [0, 0];
     var posAnim = POPAnimation.createAnimation(type, {
       property: POPAnimation.Properties.position,
       toValue: [animFrame.x, animFrame.y],
-      velocity: velocity,
+      velocity: velocity || [0, 0],
     });
     var sizeAnim = POPAnimation.createAnimation(type, {
       property: POPAnimation.Properties.size,
diff --git a/Libraries/Components/ListView/ListViewDataSource.js b/Libraries/Components/ListView/ListViewDataSource.js
index 3be10944321940..b1916bc64498df 100644
--- a/Libraries/Components/ListView/ListViewDataSource.js
+++ b/Libraries/Components/ListView/ListViewDataSource.js
@@ -215,9 +215,10 @@ class ListViewDataSource {
   /**
    * @param {number} index
    *
-   * Gets the rowID at index provided if the dataSource arrays were flattened
+   * Gets the rowID at index provided if the dataSource arrays were flattened,
+   * or null of out of range indexes.
    */
-  getRowIDForFlatIndex(index: number): string {
+  getRowIDForFlatIndex(index: number): ?string {
     var accessIndex = index;
     for (var ii = 0; ii < this.sectionIdentities.length; ii++) {
       if (accessIndex >= this.rowIdentities[ii].length) {
@@ -226,14 +227,16 @@ class ListViewDataSource {
         return this.rowIdentities[ii][accessIndex];
       }
     }
+    return null;
   }
 
   /**
    * @param {number} index
    *
-   * Gets the sectionID at index provided if the dataSource arrays were flattened
+   * Gets the sectionID at index provided if the dataSource arrays were flattened,
+   * or null for out of range indexes.
    */
-  getSectionIDForFlatIndex(index: number): string {
+  getSectionIDForFlatIndex(index: number): ?string {
     var accessIndex = index;
     for (var ii = 0; ii < this.sectionIdentities.length; ii++) {
       if (accessIndex >= this.rowIdentities[ii].length) {
@@ -242,6 +245,7 @@ class ListViewDataSource {
         return this.sectionIdentities[ii];
       }
     }
+    return null;
   }
 
   /**
diff --git a/Libraries/react-native/addons.js b/Libraries/react-native/addons.js
index fcef285e223909..864d8906d11159 100644
--- a/Libraries/react-native/addons.js
+++ b/Libraries/react-native/addons.js
@@ -19,6 +19,8 @@ var addons = {
   batchedUpdates: ReactUpdates.batchedUpdates,
   cloneWithProps: cloneWithProps,
   update: update,
+  Perf: undefined,
+  TestUtils: undefined,
 };
 
 if (__DEV__) {