431 lines
15 KiB
Objective-C
431 lines
15 KiB
Objective-C
/**
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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 "RCTRedBox.h"
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#import "RCTBridge.h"
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#import "RCTConvert.h"
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#import "RCTDefines.h"
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#import "RCTUtils.h"
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#if RCT_DEBUG
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@class RCTRedBoxWindow;
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@protocol RCTRedBoxWindowActionDelegate <NSObject>
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- (void)redBoxWindow:(RCTRedBoxWindow *)redBoxWindow openStackFrameInEditor:(NSDictionary *)stackFrame;
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- (void)reloadFromRedBoxWindow:(RCTRedBoxWindow *)redBoxWindow;
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@end
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@interface RCTRedBoxWindow : UIWindow <UITableViewDelegate, UITableViewDataSource>
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@property (nonatomic, weak) id<RCTRedBoxWindowActionDelegate> actionDelegate;
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@end
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@implementation RCTRedBoxWindow
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{
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UITableView *_stackTraceTableView;
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NSString *_lastErrorMessage;
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NSArray<NSDictionary *> *_lastStackTrace;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if ((self = [super initWithFrame:frame])) {
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self.windowLevel = UIWindowLevelAlert + 1000;
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self.backgroundColor = [UIColor colorWithRed:0.8 green:0 blue:0 alpha:1];
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self.hidden = YES;
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UIViewController *rootController = [UIViewController new];
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self.rootViewController = rootController;
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UIView *rootView = rootController.view;
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rootView.backgroundColor = [UIColor clearColor];
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const CGFloat buttonHeight = 60;
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CGRect detailsFrame = rootView.bounds;
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detailsFrame.size.height -= buttonHeight;
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_stackTraceTableView = [[UITableView alloc] initWithFrame:detailsFrame style:UITableViewStylePlain];
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_stackTraceTableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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_stackTraceTableView.delegate = self;
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_stackTraceTableView.dataSource = self;
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_stackTraceTableView.backgroundColor = [UIColor clearColor];
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_stackTraceTableView.separatorColor = [UIColor colorWithWhite:1 alpha:0.3];
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_stackTraceTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
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_stackTraceTableView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
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[rootView addSubview:_stackTraceTableView];
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UIButton *dismissButton = [UIButton buttonWithType:UIButtonTypeCustom];
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dismissButton.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin;
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dismissButton.accessibilityIdentifier = @"redbox-dismiss";
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dismissButton.titleLabel.font = [UIFont systemFontOfSize:14];
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[dismissButton setTitle:@"Dismiss (ESC)" forState:UIControlStateNormal];
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[dismissButton setTitleColor:[UIColor colorWithWhite:1 alpha:0.5] forState:UIControlStateNormal];
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[dismissButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
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[dismissButton addTarget:self action:@selector(dismiss) forControlEvents:UIControlEventTouchUpInside];
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UIButton *reloadButton = [UIButton buttonWithType:UIButtonTypeCustom];
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reloadButton.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin;
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reloadButton.accessibilityIdentifier = @"redbox-reload";
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reloadButton.titleLabel.font = [UIFont systemFontOfSize:14];
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[reloadButton setTitle:@"Reload JS (\u2318R)" forState:UIControlStateNormal];
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[reloadButton setTitleColor:[UIColor colorWithWhite:1 alpha:0.5] forState:UIControlStateNormal];
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[reloadButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
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[reloadButton addTarget:self action:@selector(reload) forControlEvents:UIControlEventTouchUpInside];
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UIButton *copyButton = [UIButton buttonWithType:UIButtonTypeCustom];
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copyButton.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin;
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copyButton.accessibilityIdentifier = @"redbox-copy";
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copyButton.titleLabel.font = [UIFont systemFontOfSize:14];
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[copyButton setTitle:@"Copy (\u2325\u2318C)" forState:UIControlStateNormal];
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[copyButton setTitleColor:[UIColor colorWithWhite:1 alpha:0.5] forState:UIControlStateNormal];
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[copyButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
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[copyButton addTarget:self action:@selector(copyStack) forControlEvents:UIControlEventTouchUpInside];
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CGFloat buttonWidth = self.bounds.size.width / 3;
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dismissButton.frame = CGRectMake(0, self.bounds.size.height - buttonHeight, buttonWidth, buttonHeight);
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reloadButton.frame = CGRectMake(buttonWidth, self.bounds.size.height - buttonHeight, buttonWidth, buttonHeight);
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copyButton.frame = CGRectMake(buttonWidth * 2, self.bounds.size.height - buttonHeight, buttonWidth, buttonHeight);
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[rootView addSubview:dismissButton];
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[rootView addSubview:reloadButton];
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[rootView addSubview:copyButton];
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}
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return self;
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}
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RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
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- (void)dealloc
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{
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_stackTraceTableView.dataSource = nil;
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_stackTraceTableView.delegate = nil;
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)showErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack isUpdate:(BOOL)isUpdate
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{
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// Show if this is a new message, or if we're updating the previous message
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if ((self.hidden && !isUpdate) || (!self.hidden && isUpdate && [_lastErrorMessage isEqualToString:message])) {
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_lastStackTrace = stack;
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// message is displayed using UILabel, which is unable to render text of
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// unlimited length, so we truncate it
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_lastErrorMessage = [message substringToIndex:MIN((NSUInteger)10000, message.length)];
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[_stackTraceTableView reloadData];
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if (self.hidden) {
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[_stackTraceTableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]
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atScrollPosition:UITableViewScrollPositionTop
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animated:NO];
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}
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[self makeKeyAndVisible];
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[self becomeFirstResponder];
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}
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}
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- (void)dismiss
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{
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self.hidden = YES;
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[self resignFirstResponder];
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[RCTSharedApplication().delegate.window makeKeyWindow];
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}
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- (void)reload
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{
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[_actionDelegate reloadFromRedBoxWindow:self];
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}
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- (void)copyStack
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{
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NSMutableString *fullStackTrace;
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if (_lastErrorMessage != nil) {
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fullStackTrace = [_lastErrorMessage mutableCopy];
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[fullStackTrace appendString:@"\n\n"];
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}
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else {
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fullStackTrace = [NSMutableString string];
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}
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for (NSDictionary *stackFrame in _lastStackTrace) {
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[fullStackTrace appendString:[NSString stringWithFormat:@"%@\n", stackFrame[@"methodName"]]];
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if (stackFrame[@"file"]) {
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[fullStackTrace appendFormat:@" %@\n", [self formatFrameSource:stackFrame]];
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}
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}
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UIPasteboard *pb = [UIPasteboard generalPasteboard];
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[pb setString:fullStackTrace];
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}
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- (NSString *)formatFrameSource:(NSDictionary *)stackFrame
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{
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NSString *lineInfo = [NSString stringWithFormat:@"%@:%zd",
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[stackFrame[@"file"] lastPathComponent],
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[stackFrame[@"lineNumber"] integerValue]];
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NSInteger column = [stackFrame[@"column"] integerValue];
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if (column != 0) {
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lineInfo = [lineInfo stringByAppendingFormat:@":%zd", column];
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}
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return lineInfo;
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}
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#pragma mark - TableView
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- (NSInteger)numberOfSectionsInTableView:(__unused UITableView *)tableView
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{
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return 2;
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}
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- (NSInteger)tableView:(__unused UITableView *)tableView numberOfRowsInSection:(NSInteger)section
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{
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return section == 0 ? 1 : _lastStackTrace.count;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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if (indexPath.section == 0) {
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"msg-cell"];
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return [self reuseCell:cell forErrorMessage:_lastErrorMessage];
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}
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
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NSUInteger index = indexPath.row;
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NSDictionary *stackFrame = _lastStackTrace[index];
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return [self reuseCell:cell forStackFrame:stackFrame];
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}
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- (UITableViewCell *)reuseCell:(UITableViewCell *)cell forErrorMessage:(NSString *)message
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{
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if (!cell) {
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cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"msg-cell"];
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cell.textLabel.accessibilityIdentifier = @"redbox-error";
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cell.textLabel.textColor = [UIColor whiteColor];
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cell.textLabel.font = [UIFont boldSystemFontOfSize:16];
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cell.textLabel.lineBreakMode = NSLineBreakByWordWrapping;
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cell.textLabel.numberOfLines = 0;
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cell.detailTextLabel.textColor = [UIColor whiteColor];
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cell.backgroundColor = [UIColor clearColor];
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cell.selectionStyle = UITableViewCellSelectionStyleNone;
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}
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cell.textLabel.text = message;
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return cell;
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}
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- (UITableViewCell *)reuseCell:(UITableViewCell *)cell forStackFrame:(NSDictionary *)stackFrame
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{
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if (!cell) {
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cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"cell"];
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cell.textLabel.textColor = [UIColor colorWithWhite:1 alpha:0.9];
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cell.textLabel.font = [UIFont fontWithName:@"Menlo-Regular" size:14];
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cell.textLabel.numberOfLines = 2;
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cell.detailTextLabel.textColor = [UIColor colorWithWhite:1 alpha:0.7];
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cell.detailTextLabel.font = [UIFont fontWithName:@"Menlo-Regular" size:11];
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cell.detailTextLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;
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cell.backgroundColor = [UIColor clearColor];
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cell.selectedBackgroundView = [UIView new];
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cell.selectedBackgroundView.backgroundColor = [UIColor colorWithWhite:0 alpha:0.2];
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}
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cell.textLabel.text = stackFrame[@"methodName"];
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if (stackFrame[@"file"]) {
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cell.detailTextLabel.text = [self formatFrameSource:stackFrame];
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} else {
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cell.detailTextLabel.text = @"";
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}
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return cell;
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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if (indexPath.section == 0) {
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NSMutableParagraphStyle *paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
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paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping;
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NSDictionary *attributes = @{NSFontAttributeName: [UIFont boldSystemFontOfSize:16],
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NSParagraphStyleAttributeName: paragraphStyle};
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CGRect boundingRect = [_lastErrorMessage boundingRectWithSize:CGSizeMake(tableView.frame.size.width - 30, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin attributes:attributes context:nil];
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return ceil(boundingRect.size.height) + 40;
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} else {
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return 50;
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}
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}
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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if (indexPath.section == 1) {
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NSUInteger row = indexPath.row;
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NSDictionary *stackFrame = _lastStackTrace[row];
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[_actionDelegate redBoxWindow:self openStackFrameInEditor:stackFrame];
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}
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[tableView deselectRowAtIndexPath:indexPath animated:YES];
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}
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#pragma mark - Key commands
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- (NSArray<UIKeyCommand *> *)keyCommands
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{
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// NOTE: We could use RCTKeyCommands for this, but since
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// we control this window, we can use the standard, non-hacky
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// mechanism instead
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return @[
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// Dismiss red box
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[UIKeyCommand keyCommandWithInput:UIKeyInputEscape
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modifierFlags:0
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action:@selector(dismiss)],
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// Reload
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[UIKeyCommand keyCommandWithInput:@"r"
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modifierFlags:UIKeyModifierCommand
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action:@selector(reload)],
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// Copy = Cmd-Option C since Cmd-C in the simulator copies the pasteboard from
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// the simulator to the desktop pasteboard.
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[UIKeyCommand keyCommandWithInput:@"c"
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modifierFlags:UIKeyModifierCommand | UIKeyModifierAlternate
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action:@selector(copyStack)]
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];
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}
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- (BOOL)canBecomeFirstResponder
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{
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return YES;
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}
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@end
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@interface RCTRedBox () <RCTInvalidating, RCTRedBoxWindowActionDelegate>
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@end
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@implementation RCTRedBox
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{
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RCTRedBoxWindow *_window;
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}
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@synthesize bridge = _bridge;
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RCT_EXPORT_MODULE()
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- (void)showError:(NSError *)error
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{
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[self showErrorMessage:error.localizedDescription withDetails:error.localizedFailureReason];
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}
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- (void)showErrorMessage:(NSString *)message
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{
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[self showErrorMessage:message withStack:nil isUpdate:NO];
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}
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- (void)showErrorMessage:(NSString *)message withDetails:(NSString *)details
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{
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NSString *combinedMessage = message;
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if (details) {
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combinedMessage = [NSString stringWithFormat:@"%@\n\n%@", message, details];
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}
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[self showErrorMessage:combinedMessage];
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}
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- (void)showErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack
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{
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[self showErrorMessage:message withStack:stack isUpdate:NO];
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}
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- (void)updateErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack
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{
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[self showErrorMessage:message withStack:stack isUpdate:YES];
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}
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- (void)showErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack isUpdate:(BOOL)isUpdate
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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if (!_window) {
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_window = [[RCTRedBoxWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
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_window.actionDelegate = self;
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}
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[_window showErrorMessage:message withStack:stack isUpdate:isUpdate];
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});
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}
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RCT_EXPORT_METHOD(dismiss)
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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[_window dismiss];
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});
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}
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- (void)invalidate
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{
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[self dismiss];
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}
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- (void)redBoxWindow:(RCTRedBoxWindow *)redBoxWindow openStackFrameInEditor:(NSDictionary *)stackFrame
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{
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if (![_bridge.bundleURL.scheme hasPrefix:@"http"]) {
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RCTLogWarn(@"Cannot open stack frame in editor because you're not connected to the packager.");
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return;
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}
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NSData *stackFrameJSON = [RCTJSONStringify(stackFrame, NULL) dataUsingEncoding:NSUTF8StringEncoding];
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NSString *postLength = [NSString stringWithFormat:@"%tu", stackFrameJSON.length];
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NSMutableURLRequest *request = [NSMutableURLRequest new];
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request.URL = [NSURL URLWithString:@"/open-stack-frame" relativeToURL:_bridge.bundleURL];
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request.HTTPMethod = @"POST";
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request.HTTPBody = stackFrameJSON;
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[request setValue:postLength forHTTPHeaderField:@"Content-Length"];
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[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
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[[[NSURLSession sharedSession] dataTaskWithRequest:request] resume];
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}
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- (void)reloadFromRedBoxWindow:(RCTRedBoxWindow *)redBoxWindow {
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[[NSNotificationCenter defaultCenter] postNotificationName:RCTReloadNotification object:nil userInfo:nil];
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}
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@end
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@implementation RCTBridge (RCTRedBox)
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- (RCTRedBox *)redBox
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{
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return [self moduleForClass:[RCTRedBox class]];
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}
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@end
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#else // Disabled
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@implementation RCTRedBox
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+ (NSString *)moduleName { return nil; }
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- (void)showError:(NSError *)message {}
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- (void)showErrorMessage:(NSString *)message {}
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- (void)showErrorMessage:(NSString *)message withDetails:(NSString *)details {}
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- (void)showErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack {}
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- (void)updateErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack {}
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- (void)showErrorMessage:(NSString *)message withStack:(NSArray<NSDictionary *> *)stack showIfHidden:(BOOL)shouldShow {}
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- (void)dismiss {}
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@end
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@implementation RCTBridge (RCTRedBox)
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- (RCTRedBox *)redBox { return nil; }
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@end
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#endif
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