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"error: Error: 1:183:invalid expression" React Native Metro Bundle Hermes Error

Got the following metro bundling error (both for iOS and Android) after starting migration from React Native 0.66.0 to React Native 0.71.4 using this tool error: Error: 1:183:invalid expression at module.exports.compile (/Users/nezort11/dev/walnuts/node_modules/metro-hermes-compiler/src/index.js:107:15) at _getPrelude (/Users/nezort11/dev/walnuts/node_modules/metro/src/lib/getPrependedScripts.js:99:21) at getPrependedScripts (/Users/nezort11/dev/walnuts/node_modules/metro/src/lib/getPrependedScripts.js:66:5) at…


Javascript – Why am I getting "ReferenceError: Property 'axios' doesn't exist, js engine: hermes" when I try to register a new user?

The part of the code that is causing the problem has the following syntax: import axios from "axios"; const handleLogin = () => { const user = { email:email, password:password, };"http://localhost:8082/login", user).then((response) =>{ const token =; AsyncStorage.setItem("authToken",token); router.replace("/(tabs)/home")…


iOS React Native Hermes not show in chrome inspect

I just upgrade my iOS RN from 0.63 to 0.65. Then enable hermes in podfile. I can start app normally, JSI is showing in developer menu, mean hermes is running. I follow exactly guide from But console.log code inside…


Enable hermes engine for ios: React native on Mac M1

After enabling hermes engine in podfile throws error while building app "Undefined symbols for architecture x86_64: "vtable for facebook::react::HermesExecutorFactory" Hermes version : 0.9.0 RN : 0.66.1 podfile platform :ios, '11.0' target 'OneSignalNotificationServiceExtension' do pod 'react-native-onesignal', :path => '../node_modules/react-native-onesignal' end target…


Xcode – Library not loaded: @rpath/hermes.framework/hermes

I have enabled Hermes in my react-native(v0.64) Application. Everytime I run app I get following stack trace. dyld: dyld cache load error: shared cache file open() failed dyld: Library not loaded: @rpath/hermes.framework/hermes Referenced from: /Users/sharktank/Library/Developer/CoreSimulator/Devices/A32F4931-51A8-4D22-AEFB-625F834CE221/data/Containers/Bundle/Application/71773888-08D5-4B82-9545-07F6B1538864/ Reason: image not found dyld:…


xcode archive "Library not found for -lReact-hermes" for ReactNative project

Trying to archive my RN project but having this error. Currently using RN 0.65.1 with React 17.0.2. Tried adding libReact-hermes.a inside xcode "Link Binary With Libraries" but error still persists. ld: library not found for -lReact-hermes require_relative '../node_modules/react-native/scripts/react_native_pods' require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'…

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