react-native/React/Base/RCTBundleURLProvider.m

244 lines
7.3 KiB
Objective-C

/**
* 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 "RCTConvert.h"
#import "RCTDefines.h"
NSString *const RCTBundleURLProviderUpdatedNotification = @"RCTBundleURLProviderUpdatedNotification";
const NSUInteger kRCTBundleURLProviderDefaultPort = 8081;
static NSString *const kRCTJsLocationKey = @"RCT_jsLocation";
static NSString *const kRCTEnableLiveReloadKey = @"RCT_enableLiveReload";
static NSString *const kRCTEnableDevKey = @"RCT_enableDev";
static NSString *const kRCTEnableMinificationKey = @"RCT_enableMinification";
@implementation RCTBundleURLProvider
- (instancetype)init
{
self = [super init];
if (self) {
[self setDefaults];
}
return self;
}
- (NSDictionary *)defaults
{
return @{
kRCTEnableLiveReloadKey: @NO,
kRCTEnableDevKey: @YES,
kRCTEnableMinificationKey: @NO,
};
}
- (void)settingsUpdated
{
[[NSNotificationCenter defaultCenter] postNotificationName:RCTBundleURLProviderUpdatedNotification object:self];
}
- (void)setDefaults
{
[[NSUserDefaults standardUserDefaults] registerDefaults:[self defaults]];
}
- (void)resetToDefaults
{
for (NSString *key in [[self defaults] allKeys]) {
[[NSUserDefaults standardUserDefaults] removeObjectForKey:key];
}
[self setDefaults];
[self settingsUpdated];
}
static NSURL *serverRootWithHost(NSString *host)
{
return [NSURL URLWithString:
[NSString stringWithFormat:@"http://%@:%lu/",
host, (unsigned long)kRCTBundleURLProviderDefaultPort]];
}
#if RCT_DEV
- (BOOL)isPackagerRunning:(NSString *)host
{
NSURL *url = [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"];
}
- (NSString *)guessPackagerHost
{
static NSString *ipGuess;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
NSString *ipPath = [[NSBundle mainBundle] pathForResource:@"ip" ofType:@"txt"];
ipGuess = [[NSString stringWithContentsOfFile:ipPath encoding:NSUTF8StringEncoding error:nil]
stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];
});
NSString *host = ipGuess ?: @"localhost";
if ([self isPackagerRunning:host]) {
return host;
}
return nil;
}
#endif
- (NSString *)packagerServerHost
{
NSString *location = [self jsLocation];
if (location != nil) {
return location;
}
#if RCT_DEV
NSString *host = [self guessPackagerHost];
if (host) {
return host;
}
#endif
return nil;
}
- (NSURL *)packagerServerURL
{
NSString *const host = [self packagerServerHost];
return host ? serverRootWithHost(host) : nil;
}
- (NSURL *)jsBundleURLForBundleRoot:(NSString *)bundleRoot fallbackResource:(NSString *)resourceName fallbackExtension:(NSString *)extension
{
NSString *packagerServerHost = [self packagerServerHost];
if (!packagerServerHost) {
return [self jsBundleURLForFallbackResource:resourceName fallbackExtension:extension];
} else {
return [RCTBundleURLProvider jsBundleURLForBundleRoot:bundleRoot
packagerHost:packagerServerHost
enableDev:[self enableDev]
enableMinification:[self enableMinification]];
}
}
- (NSURL *)jsBundleURLForBundleRoot:(NSString *)bundleRoot fallbackResource:(NSString *)resourceName
{
return [self jsBundleURLForBundleRoot:bundleRoot fallbackResource:resourceName fallbackExtension:nil];
}
- (NSURL *)jsBundleURLForFallbackResource:(NSString *)resourceName
fallbackExtension:(NSString *)extension
{
resourceName = resourceName ?: @"main";
extension = extension ?: @"jsbundle";
return [[NSBundle mainBundle] URLForResource:resourceName withExtension:extension];
}
- (NSURL *)resourceURLForResourceRoot:(NSString *)root
resourceName:(NSString *)name
resourceExtension:(NSString *)extension
offlineBundle:(NSBundle *)offlineBundle
{
NSString *packagerServerHost = [self packagerServerHost];
if (!packagerServerHost) {
// Serve offline bundle (local file)
NSBundle *bundle = offlineBundle ?: [NSBundle mainBundle];
return [bundle URLForResource:name withExtension:extension];
}
NSString *path = [NSString stringWithFormat:@"/%@/%@.%@", root, name, extension];
return [[self class] resourceURLForResourcePath:path packagerHost:packagerServerHost query:nil];
}
+ (NSURL *)jsBundleURLForBundleRoot:(NSString *)bundleRoot
packagerHost:(NSString *)packagerHost
enableDev:(BOOL)enableDev
enableMinification:(BOOL)enableMinification
{
NSString *path = [NSString stringWithFormat:@"/%@.bundle", bundleRoot];
// When we support only iOS 8 and above, use queryItems for a better API.
NSString *query = [NSString stringWithFormat:@"platform=ios&dev=%@&minify=%@",
enableDev ? @"true" : @"false",
enableMinification ? @"true": @"false"];
return [[self class] resourceURLForResourcePath:path packagerHost:packagerHost query:query];
}
+ (NSURL *)resourceURLForResourcePath:(NSString *)path
packagerHost:(NSString *)packagerHost
query:(NSString *)query
{
NSURLComponents *components = [NSURLComponents componentsWithURL:serverRootWithHost(packagerHost) resolvingAgainstBaseURL:NO];
components.path = path;
if (query != nil) {
components.query = query;
}
return components.URL;
}
- (void)updateValue:(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 updateValue:@(enableDev) forKey:kRCTEnableDevKey];
}
- (void)setEnableLiveReload:(BOOL)enableLiveReload
{
[self updateValue:@(enableLiveReload) forKey:kRCTEnableLiveReloadKey];
}
- (void)setJsLocation:(NSString *)jsLocation
{
[self updateValue:jsLocation forKey:kRCTJsLocationKey];
}
- (void)setEnableMinification:(BOOL)enableMinification
{
[self updateValue:@(enableMinification) forKey:kRCTEnableMinificationKey];
}
+ (instancetype)sharedSettings
{
static RCTBundleURLProvider *sharedInstance;
static dispatch_once_t once_token;
dispatch_once(&once_token, ^{
sharedInstance = [RCTBundleURLProvider new];
});
return sharedInstance;
}
@end