react-native/React/Modules/RCTExceptionsManager.m

108 lines
3.0 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 "RCTExceptionsManager.h"
#import "RCTDefines.h"
#import "RCTLog.h"
#import "RCTRedBox.h"
#import "RCTRootView.h"
@implementation RCTExceptionsManager
{
__weak id<RCTExceptionsManagerDelegate> _delegate;
NSUInteger _reloadRetries;
}
RCT_EXPORT_MODULE()
- (instancetype)initWithDelegate:(id<RCTExceptionsManagerDelegate>)delegate
{
if ((self = [super init])) {
_delegate = delegate;
_maxReloadAttempts = 0;
}
return self;
}
- (instancetype)init
{
return [self initWithDelegate:nil];
}
RCT_EXPORT_METHOD(reportSoftException:(NSString *)message
stack:(NSArray *)stack)
{
// TODO(#7070533): report a soft error to the server
if (_delegate) {
[_delegate handleSoftJSExceptionWithMessage:message stack:stack];
return;
}
[[RCTRedBox sharedInstance] showErrorMessage:message withStack:stack];
}
RCT_EXPORT_METHOD(reportFatalException:(NSString *)message
stack:(NSArray *)stack
exceptionId:(__unused NSNumber *)exceptionId)
{
if (_delegate) {
[_delegate handleFatalJSExceptionWithMessage:message stack:stack];
return;
}
[[RCTRedBox sharedInstance] showErrorMessage:message withStack:stack];
if (!RCT_DEBUG) {
static NSUInteger reloadRetries = 0;
const NSUInteger maxMessageLength = 75;
if (reloadRetries < _maxReloadAttempts) {
reloadRetries++;
[[NSNotificationCenter defaultCenter] postNotificationName:RCTReloadNotification
object:nil];
} else {
if (message.length > maxMessageLength) {
message = [[message substringToIndex:maxMessageLength] stringByAppendingString:@"..."];
}
NSMutableString *prettyStack = [NSMutableString stringWithString:@"\n"];
for (NSDictionary *frame in stack) {
[prettyStack appendFormat:@"%@@%@:%@\n", frame[@"methodName"], frame[@"lineNumber"], frame[@"column"]];
}
NSString *name = [@"Unhandled JS Exception: " stringByAppendingString:message];
[NSException raise:name format:@"Message: %@, stack: %@", message, prettyStack];
}
}
}
RCT_EXPORT_METHOD(updateExceptionMessage:(NSString *)message
stack:(NSArray *)stack
exceptionId:(__unused NSNumber *)exceptionId)
{
if (_delegate) {
[_delegate updateJSExceptionWithMessage:message stack:stack];
return;
}
[[RCTRedBox sharedInstance] updateErrorMessage:message withStack:stack];
}
// Deprecated. Use reportFatalException directly instead.
RCT_EXPORT_METHOD(reportUnhandledException:(NSString *)message
stack:(NSArray *)stack)
{
[self reportFatalException:message stack:stack exceptionId:nil];
}
@end