Added RCTBundleURLProvider

Reviewed By: javache

Differential Revision: D3352568

fbshipit-source-id: fbba6771a1c581e2676bd0f81d3da62dbf21916b

React/Base/RCTBundleURLProvider.h

@@ -0,0 +1,38 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface RCTBundleURLProvider : NSObject
+
+extern NSString *const RCTBundleURLProviderUpdatedNotification;
+
+/**
+ * Set default settings on NSUserDefaults.
+ */
+- (void)setDefaults;
+
+/**
+ * Returns the jsBundleURL for a given bundle entrypoint and
+ * the fallback offline JS bundle if the packager is not running.
+ */
+- (NSURL *)jsBundleURLForBundleRoot:(NSString *)bundleRoot
+                   fallbackResource:(NSString *)resourceName;
+
+/**
+ * The IP address or hostname of the packager.
+ */
+@property (nonatomic, copy) NSString *jsLocation;
+
+@property (nonatomic, assign) BOOL enableLiveReload;
+@property (nonatomic, assign) BOOL enableMinification;
+@property (nonatomic, assign) BOOL enableDev;
+
++ (instancetype)sharedSettings;
+@end

React/Base/RCTBundleURLProvider.m

@@ -0,0 +1,167 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import "RCTBundleURLProvider.h"
+#import "RCTDefines.h"
+#import "RCTConvert.h"
+
+NSString *const RCTBundleURLProviderUpdatedNotification = @"RCTBundleURLProviderUpdatedNotification";
+
+static NSString *const kRCTJsLocationKey = @"RCT_jsLocation";
+static NSString *const kRCTEnableLiveReloadKey = @"RCT_enableLiveReload";
+static NSString *const kRCTEnableDevKey = @"RCT_enableDev";
+static NSString *const kRCTEnableMinificationKey = @"RCT_enableMinification";
+
+static NSString *const kDefaultPort = @"8081";
+
+@implementation RCTBundleURLProvider
+
+- (NSDictionary *)defaults
+{
+  static NSDictionary *defaults;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    defaults = @{
+      kRCTEnableLiveReloadKey: @NO,
+      kRCTEnableDevKey: @YES,
+      kRCTEnableMinificationKey: @NO,
+     };
+  });
+  return defaults;
+}
+
+- (void)settingsUpdated
+{
+  [[NSNotificationCenter defaultCenter] postNotificationName:RCTBundleURLProviderUpdatedNotification object:self];
+}
+
+- (void)setDefaults
+{
+  [[NSUserDefaults standardUserDefaults] registerDefaults:[self defaults]];
+  [self settingsUpdated];
+}
+
+- (BOOL)isPackagerRunning:(NSString *)host
+{
+  if (RCT_DEV) {
+    NSURL *url = [[NSURL URLWithString:serverRootWithHost(host)] URLByAppendingPathComponent:@"status"];
+    NSURLRequest *request = [NSURLRequest requestWithURL:url];
+    NSURLResponse *response;
+    NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:NULL];
+    NSString *status = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    return [status isEqualToString:@"packager-status:running"];
+  }
+  return NO;
+}
+
+static NSString *serverRootWithHost(NSString *host)
+{
+  return [NSString stringWithFormat:@"http://%@:%@/", host, kDefaultPort];
+}
+
+- (NSString *)guessPackagerHost
+{
+  NSString *host = @"localhost";
+  //TODO: Implement automatic IP address detection
+  if ([self isPackagerRunning:host]) {
+    return host;
+  }
+  return nil;
+}
+
+
+- (NSString *)packagerServerRoot
+{
+  NSString *location = [self jsLocation];
+  if (location != nil) {
+    return serverRootWithHost(location);
+  } else {
+    NSString *host = [self guessPackagerHost];
+    if (!host) {
+      return nil;
+    } else {
+      return serverRootWithHost(host);
+    }
+  }
+}
+
+- (NSURL *)jsBundleURLForBundleRoot:(NSString *)bundleRoot fallbackResource:(NSString *)resourceName
+{
+  resourceName = resourceName ?: @"main";
+  NSString *serverRoot = [self packagerServerRoot];
+  if (!serverRoot) {
+    return [[NSBundle mainBundle] URLForResource:resourceName withExtension:@"jsbundle"];
+  } else {
+    NSString *fullBundlePath = [serverRoot stringByAppendingFormat:@"%@.bundle", bundleRoot];
+    if ([fullBundlePath hasPrefix:@"http"]) {
+      NSString *dev = [self enableDev] ? @"true" : @"false";
+      NSString *min = [self enableMinification] ? @"true": @"false";
+      fullBundlePath = [fullBundlePath stringByAppendingFormat:@"?platform=ios&dev=%@&minify=%@", dev, min];
+    }
+    return [NSURL URLWithString:fullBundlePath];
+  }
+}
+
+- (void)updateDefaults:(id)object forKey:(NSString *)key
+{
+  [[NSUserDefaults standardUserDefaults] setObject:object forKey:key];
+  [[NSUserDefaults standardUserDefaults] synchronize];
+  [self settingsUpdated];
+}
+
+- (BOOL)enableDev
+{
+  return [[NSUserDefaults standardUserDefaults] boolForKey:kRCTEnableDevKey];
+}
+
+- (BOOL)enableLiveReload
+{
+  return [[NSUserDefaults standardUserDefaults] boolForKey:kRCTEnableLiveReloadKey];
+}
+
+- (BOOL)enableMinification
+{
+  return [[NSUserDefaults standardUserDefaults] boolForKey:kRCTEnableMinificationKey];
+}
+
+- (NSString *)jsLocation
+{
+  return [[NSUserDefaults standardUserDefaults] stringForKey:kRCTJsLocationKey];
+}
+
+- (void)setEnableDev:(BOOL)enableDev
+{
+  [self updateDefaults:@(enableDev) forKey:kRCTEnableDevKey];
+}
+
+- (void)setEnableEnableLiveReload:(BOOL)enableLiveReload
+{
+  [self updateDefaults:@(enableLiveReload) forKey:kRCTEnableLiveReloadKey];
+}
+
+- (void)setJsLocation:(NSString *)jsLocation
+{
+  [self updateDefaults:jsLocation forKey:kRCTJsLocationKey];
+}
+
+- (void)setEnableMinification:(BOOL)enableMinification
+{
+  [self updateDefaults:@(enableMinification) forKey:kRCTEnableMinificationKey];
+}
+
++ (instancetype)sharedSettings
+{
+  static RCTBundleURLProvider *sharedInstance;
+  static dispatch_once_t once_token;
+  dispatch_once(&once_token, ^{
+    sharedInstance = [RCTBundleURLProvider new];
+  });
+  return sharedInstance;
+}
+@end

React/React.xcodeproj/project.pbxproj

@@ -81,6 +81,7 @@
 		58114A171AAE854800E7D092 /* RCTPickerManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 58114A151AAE854800E7D092 /* RCTPickerManager.m */; };
 		58114A501AAE93D500E7D092 /* RCTAsyncLocalStorage.m in Sources */ = {isa = PBXBuildFile; fileRef = 58114A4E1AAE93D500E7D092 /* RCTAsyncLocalStorage.m */; };
 		58C571C11AA56C1900CDF9C8 /* RCTDatePickerManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 58C571BF1AA56C1900CDF9C8 /* RCTDatePickerManager.m */; };
+		68EFE4EE1CF6EB3900A1DE13 /* RCTBundleURLProvider.m in Sources */ = {isa = PBXBuildFile; fileRef = 68EFE4ED1CF6EB3900A1DE13 /* RCTBundleURLProvider.m */; };
 		830A229E1A66C68A008503DA /* RCTRootView.m in Sources */ = {isa = PBXBuildFile; fileRef = 830A229D1A66C68A008503DA /* RCTRootView.m */; };
 		832348161A77A5AA00B55238 /* Layout.c in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FC71A68125100A75B9A /* Layout.c */; };
 		83392EB31B6634E10013B15F /* RCTModalHostViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 83392EB21B6634E10013B15F /* RCTModalHostViewController.m */; };
@@ -272,6 +273,8 @@
 		58114A4F1AAE93D500E7D092 /* RCTAsyncLocalStorage.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTAsyncLocalStorage.h; sourceTree = "<group>"; };
 		58C571BF1AA56C1900CDF9C8 /* RCTDatePickerManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTDatePickerManager.m; sourceTree = "<group>"; };
 		58C571C01AA56C1900CDF9C8 /* RCTDatePickerManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTDatePickerManager.h; sourceTree = "<group>"; };
+		68EFE4EC1CF6EB3000A1DE13 /* RCTBundleURLProvider.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTBundleURLProvider.h; sourceTree = "<group>"; };
+		68EFE4ED1CF6EB3900A1DE13 /* RCTBundleURLProvider.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTBundleURLProvider.m; sourceTree = "<group>"; };
 		6A15FB0C1BDF663500531DFB /* RCTRootViewInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTRootViewInternal.h; sourceTree = "<group>"; };
 		830213F31A654E0800B993E6 /* RCTBridgeModule.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RCTBridgeModule.h; sourceTree = "<group>"; };
 		830A229C1A66C68A008503DA /* RCTRootView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTRootView.h; sourceTree = "<group>"; };
@@ -528,6 +531,8 @@
 		83CBBA491A601E3B00E9B192 /* Base */ = {
 			isa = PBXGroup;
 			children = (
+				68EFE4ED1CF6EB3900A1DE13 /* RCTBundleURLProvider.m */,
+				68EFE4EC1CF6EB3000A1DE13 /* RCTBundleURLProvider.h */,
 				83CBBA4A1A601E3B00E9B192 /* RCTAssert.h */,
 				83CBBA4B1A601E3B00E9B192 /* RCTAssert.m */,
 				14C2CA771B3ACB0400E6CBB2 /* RCTBatchedBridge.m */,
@@ -746,6 +751,7 @@
 				131B6AF51AF1093D00FFC3E0 /* RCTSegmentedControlManager.m in Sources */,
 				58114A171AAE854800E7D092 /* RCTPickerManager.m in Sources */,
 				191E3EBE1C29D9AF00C180A6 /* RCTRefreshControlManager.m in Sources */,
+				68EFE4EE1CF6EB3900A1DE13 /* RCTBundleURLProvider.m in Sources */,
 				13B0801A1A69489C00A75B9A /* RCTNavigator.m in Sources */,
 				137327E71AA5CF210034F82E /* RCTTabBar.m in Sources */,
 				13F17A851B8493E5007D4C75 /* RCTRedBox.m in Sources */,