index.ts

import { registerRootComponent } from 'expo';
import App from './App';

// Global error handler to ensure mobile errors show up in terminal
if (__DEV__) {
    // 1. Handle JS Errors
    const globalAny: any = global;
    if (globalAny.ErrorUtils) {
        const originalHandler = globalAny.ErrorUtils.getGlobalHandler();
        globalAny.ErrorUtils.setGlobalHandler((error: any, isFatal: boolean) => {
            console.error('🔴 GLOBAL JS ERROR:', error);
            if (originalHandler) {
                originalHandler(error, isFatal);
            }
        });
    }

    // 2. Handle Unhandled Promise Rejections
    const promise = require('promise/lib/rejection-tracking');
    promise.enable({
        all: true,
        onUnhandled: (id: any, error: any) => {
            console.error('🟡 UNHANDLED PROMISE REJECTION:', error);
        },
    });
}

registerRootComponent(App);