Update NavigationPlayground to 0.45.1, add stub react-nav flow definition

Author: Adam Miskiewicz

examples/NavigationPlayground/.babelrc

@@ -1,5 +1,13 @@
 {
   "presets": ["babel-preset-expo"],
+  "plugins": [
+    ["module-resolver", {
+      "alias": {
+        "react-native": "./node_modules/react-native",
+        "react": "./node_modules/react"
+      }
+    }]
+  ],
   "env": {
     "development": {
       "plugins": ["transform-react-jsx-source"]

examples/NavigationPlayground/.flowconfig

@@ -30,12 +30,24 @@
 ; Ignore react-native-fbads dependency of the expo sdk
 .*/node_modules/react-native-fbads/*
 
+.*/node_modules/react-native-tab-view/.*
+
+; Ignore react-native
+.*/node_modules/react-native/.*
+
+.*/react-navigation/lib-rn/.*
+.*/react-navigation/lib/.*
+.*/react-navigation/src/.*
+.*/react-navigation/node_modules/.*
+
+.*/react-navigation/examples/ReduxExample/.*
+.*/react-navigation/website/.*
+
 [include]
 
 [libs]
-node_modules/react-native/Libraries/react-native/react-native-interface.js
-node_modules/react-native/flow
-flow/
+../../flow-typed/react-native.js
+../../flow/react-navigation.js
 
 [options]
 module.system=haste
@@ -58,6 +70,3 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
 suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 
 unsafe.enable_getters_and_setters=true
-
-[version]
-^0.40.0

examples/NavigationPlayground/app.json

@@ -12,8 +12,8 @@
       "icon": "./assets/icons/react-navigation.png",
       "hideExponentText": false
     },
-    "sdkVersion": "16.0.0",
-    "entryPoint": "./examples/NavigationPlayground/node_modules/react-native-scripts/build/bin/crna-entry.js",
+    "sdkVersion": "18.0.0",
+    "entryPoint": "./node_modules/react-native-scripts/build/bin/crna-entry.js",
     "packagerOpts": {
       "projectRoots": "",
       "assetExts": [

examples/NavigationPlayground/flow-typed/npm/babel-jest_vx.x.x.js

@@ -0,0 +1,32 @@
+// flow-typed signature: 02359da7064195804e62c853de1fc44e
+// flow-typed version: <<STUB>>/babel-jest_v^20.0.1/flow_v0.49.1
+
+/**
+ * This is an autogenerated libdef stub for:
+ *
+ *   'babel-jest'
+ *
+ * Fill this stub out by replacing all the `any` types.
+ *
+ * Once filled out, we encourage you to share your work with the
+ * community by sending a pull request to:
+ * https://github.com/flowtype/flow-typed
+ */
+
+declare module 'babel-jest' {
+  declare module.exports: any;
+}
+
+/**
+ * We include stubs for each file inside this npm package in case you need to
+ * require those files directly. Feel free to delete any files that aren't
+ * needed.
+ */
+declare module 'babel-jest/build/index' {
+  declare module.exports: any;
+}
+
+// Filename aliases
+declare module 'babel-jest/build/index.js' {
+  declare module.exports: $Exports<'babel-jest/build/index'>;
+}