[ReactNative][madman] Revert D2001353
This commit is contained in:
Kevin Gozali
parent
e88ba1a6a3
commit
34a5aa1d0a
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@ -10,15 +10,47 @@
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#import "RCTJavaScriptLoader.h"
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#import "RCTBridge.h"
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#import "RCTConvert.h"
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#import "RCTInvalidating.h"
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#import "RCTLog.h"
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#import "RCTRedBox.h"
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#import "RCTSourceCode.h"
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#import "RCTUtils.h"
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#define NO_REMOTE_MODULE @"Could not fetch module bundle %@. Ensure node server is running.\n\nIf it timed out, try reloading."
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#define NO_LOCAL_BUNDLE @"Could not load local bundle %@. Ensure file exists."
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#define CACHE_DIR @"RCTJSBundleCache"
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#pragma mark - Application Engine
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/**
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* TODO:
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* - Add window resize rotation events matching the DOM API.
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* - Device pixel ration hooks.
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* - Source maps.
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*/
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@implementation RCTJavaScriptLoader
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{
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__weak RCTBridge *_bridge;
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}
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/**
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* `CADisplayLink` code copied from Ejecta but we've placed the JavaScriptCore
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* engine in its own dedicated thread.
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*
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* TODO: Try adding to the `RCTJavaScriptExecutor`'s thread runloop. Removes one
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* additional GCD dispatch per frame and likely makes it so that other UIThread
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* operations don't delay the dispatch (so we can begin working in JS much
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* faster.) Event handling must still be sent via a GCD dispatch, of course.
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*
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* We must add the display link to two runloops in order to get setTimeouts to
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* fire during scrolling. (`NSDefaultRunLoopMode` and `UITrackingRunLoopMode`)
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* TODO: We can invent a `requestAnimationFrame` and
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* `requestAvailableAnimationFrame` to control if callbacks can be fired during
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* an animation.
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* http://stackoverflow.com/questions/12622800/why-does-uiscrollview-pause-my-cadisplaylink
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*
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*/
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- (instancetype)initWithBridge:(RCTBridge *)bridge
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{
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if ((self = [super init])) {
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@ -29,87 +61,92 @@
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- (void)loadBundleAtURL:(NSURL *)scriptURL onComplete:(void (^)(NSError *))onComplete
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{
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NSURL *originalURL = scriptURL;
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if (!scriptURL.scheme || [scriptURL isFileURL]) {
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scriptURL = [RCTConvert NSURL:scriptURL.path];
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}
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if (scriptURL == nil) {
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NSError *error = [NSError errorWithDomain:@"JavaScriptLoader" code:1 userInfo:@{
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NSLocalizedDescriptionKey: originalURL ? [NSString stringWithFormat:@"Script URL '%@' could not be found.", originalURL] : @"No script URL provided."
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NSLocalizedDescriptionKey: @"No script URL provided"
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}];
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onComplete(error);
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return;
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}
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if ([scriptURL isFileURL]) {
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NSString *bundlePath = [[NSBundle bundleForClass:[self class]] resourcePath];
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NSString *localPath = [scriptURL.absoluteString substringFromIndex:@"file://".length];
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if (![localPath hasPrefix:bundlePath]) {
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NSString *absolutePath = [NSString stringWithFormat:@"%@/%@", bundlePath, localPath];
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scriptURL = [NSURL fileURLWithPath:absolutePath];
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}
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}
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NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithURL:scriptURL completionHandler:
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^(NSData *data, NSURLResponse *response, NSError *error) {
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// Handle general request errors
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if (error) {
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if ([[error domain] isEqualToString:NSURLErrorDomain]) {
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NSString *desc = [@"Could not connect to development server. Ensure node server is running and available on the same network - run 'npm start' from react-native root\n\nURL: " stringByAppendingString:[scriptURL absoluteString]];
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NSDictionary *userInfo = @{
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NSLocalizedDescriptionKey: desc,
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NSLocalizedFailureReasonErrorKey: [error localizedDescription],
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NSUnderlyingErrorKey: error,
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};
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error = [NSError errorWithDomain:@"JSServer"
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code:error.code
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userInfo:userInfo];
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}
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onComplete(error);
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return;
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}
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// Handle general request errors
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if (error) {
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if ([[error domain] isEqualToString:NSURLErrorDomain]) {
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NSString *desc = [@"Could not connect to development server. Ensure node server is running and available on the same network - run 'npm start' from react-native root\n\nURL: " stringByAppendingString:[scriptURL absoluteString]];
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NSDictionary *userInfo = @{
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NSLocalizedDescriptionKey: desc,
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NSLocalizedFailureReasonErrorKey: [error localizedDescription],
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NSUnderlyingErrorKey: error,
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};
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error = [NSError errorWithDomain:@"JSServer"
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code:error.code
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userInfo:userInfo];
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}
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onComplete(error);
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return;
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}
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// Parse response as text
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NSStringEncoding encoding = NSUTF8StringEncoding;
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if (response.textEncodingName != nil) {
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CFStringEncoding cfEncoding = CFStringConvertIANACharSetNameToEncoding((CFStringRef)response.textEncodingName);
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if (cfEncoding != kCFStringEncodingInvalidId) {
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encoding = CFStringConvertEncodingToNSStringEncoding(cfEncoding);
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}
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}
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NSString *rawText = [[NSString alloc] initWithData:data encoding:encoding];
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// Parse response as text
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NSStringEncoding encoding = NSUTF8StringEncoding;
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if (response.textEncodingName != nil) {
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CFStringEncoding cfEncoding = CFStringConvertIANACharSetNameToEncoding((CFStringRef)response.textEncodingName);
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if (cfEncoding != kCFStringEncodingInvalidId) {
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encoding = CFStringConvertEncodingToNSStringEncoding(cfEncoding);
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}
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}
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NSString *rawText = [[NSString alloc] initWithData:data encoding:encoding];
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// Handle HTTP errors
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if ([response isKindOfClass:[NSHTTPURLResponse class]] && [(NSHTTPURLResponse *)response statusCode] != 200) {
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NSDictionary *userInfo;
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NSDictionary *errorDetails = RCTJSONParse(rawText, nil);
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if ([errorDetails isKindOfClass:[NSDictionary class]] &&
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[errorDetails[@"errors"] isKindOfClass:[NSArray class]]) {
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NSMutableArray *fakeStack = [[NSMutableArray alloc] init];
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for (NSDictionary *err in errorDetails[@"errors"]) {
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[fakeStack addObject: @{
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@"methodName": err[@"description"] ?: @"",
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@"file": err[@"filename"] ?: @"",
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@"lineNumber": err[@"lineNumber"] ?: @0
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}];
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}
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userInfo = @{
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NSLocalizedDescriptionKey: errorDetails[@"message"] ?: @"No message provided",
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@"stack": fakeStack,
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};
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} else {
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userInfo = @{NSLocalizedDescriptionKey: rawText};
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}
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error = [NSError errorWithDomain:@"JSServer"
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code:[(NSHTTPURLResponse *)response statusCode]
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userInfo:userInfo];
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// Handle HTTP errors
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if ([response isKindOfClass:[NSHTTPURLResponse class]] && [(NSHTTPURLResponse *)response statusCode] != 200) {
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NSDictionary *userInfo;
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NSDictionary *errorDetails = RCTJSONParse(rawText, nil);
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if ([errorDetails isKindOfClass:[NSDictionary class]] &&
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[errorDetails[@"errors"] isKindOfClass:[NSArray class]]) {
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NSMutableArray *fakeStack = [[NSMutableArray alloc] init];
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for (NSDictionary *err in errorDetails[@"errors"]) {
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[fakeStack addObject: @{
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@"methodName": err[@"description"] ?: @"",
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@"file": err[@"filename"] ?: @"",
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@"lineNumber": err[@"lineNumber"] ?: @0
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}];
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}
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userInfo = @{
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NSLocalizedDescriptionKey: errorDetails[@"message"] ?: @"No message provided",
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@"stack": fakeStack,
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};
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} else {
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userInfo = @{NSLocalizedDescriptionKey: rawText};
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}
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error = [NSError errorWithDomain:@"JSServer"
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code:[(NSHTTPURLResponse *)response statusCode]
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userInfo:userInfo];
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onComplete(error);
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return;
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}
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RCTSourceCode *sourceCodeModule = _bridge.modules[RCTBridgeModuleNameForClass([RCTSourceCode class])];
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sourceCodeModule.scriptURL = scriptURL;
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sourceCodeModule.scriptText = rawText;
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onComplete(error);
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return;
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}
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RCTSourceCode *sourceCodeModule = _bridge.modules[RCTBridgeModuleNameForClass([RCTSourceCode class])];
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sourceCodeModule.scriptURL = scriptURL;
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sourceCodeModule.scriptText = rawText;
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[_bridge enqueueApplicationScript:rawText url:scriptURL onComplete:^(NSError *scriptError) {
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dispatch_async(dispatch_get_main_queue(), ^{
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onComplete(scriptError);
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});
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}];
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}];
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[_bridge enqueueApplicationScript:rawText url:scriptURL onComplete:^(NSError *scriptError) {
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dispatch_async(dispatch_get_main_queue(), ^{
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onComplete(scriptError);
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});
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}];
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}];
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[task resume];
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}
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