109 lines
3.8 KiB
Objective-C
Executable File
109 lines
3.8 KiB
Objective-C
Executable File
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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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 "RCTSourceCode.h"
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#import "RCTUtils.h"
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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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- (instancetype)initWithBridge:(RCTBridge *)bridge
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{
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if ((self = [super init])) {
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_bridge = bridge;
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}
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return self;
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}
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- (void)loadBundleAtURL:(NSURL *)scriptURL onComplete:(void (^)(NSError *, NSString *))onComplete
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{
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// Sanitize the script URL
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scriptURL = [RCTConvert NSURL:scriptURL.absoluteString];
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if (!scriptURL ||
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([scriptURL isFileURL] && ![[NSFileManager defaultManager] fileExistsAtPath:scriptURL.path])) {
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NSError *error = [NSError errorWithDomain:@"JavaScriptLoader" code:1 userInfo:@{
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NSLocalizedDescriptionKey: scriptURL ? [NSString stringWithFormat:@"Script at '%@' could not be found.", scriptURL] : @"No script URL provided"
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}];
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onComplete(error, nil);
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return;
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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, nil);
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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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// 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, nil);
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return;
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}
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onComplete(nil, rawText);
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}];
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[task resume];
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}
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@end
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