Questions tagged [react-native-cli]
230 questions
320
votes
64 answers
Unable to load script.Make sure you are either running a Metro server or that your bundle 'index.android.bundle' is packaged correctly for release
react-native run-android command terminates by leaving a message in android simulator. The message is as follows:
Unable to load script.Make sure you are either running a Metro server or that your bundle 'index.android.bundle' is packaged correctly…
Belle Solutions
- 3,231
- 2
- 7
- 4
176
votes
23 answers
How to resolve the error on 'react-native start'
I just installed node.js & cli
installed node.js
installed react-native-cli
npm -g react-native-cli
And created a 'new project'.
react-native init new_project
and inside that 'new_project' directory, I tired to see if metro bundler works…
Song Kevin
- 1,761
- 2
- 7
- 3
71
votes
19 answers
Cannot read properties of undefined (reading 'transformFile') at Bundler.transformFile
I have updated node today and I'm getting this error:
error: TypeError: Cannot read properties of undefined (reading 'transformFile')
at Bundler.transformFile (/Users/.../node_modules/metro/src/Bundler.js:48:30)
at runMicrotasks…
Chaudhry Talha
- 7,231
- 11
- 67
- 116
68
votes
0 answers
What is the difference between Expo CLI and React Native CLI?
React Native provides two way to create Project.
First:
npm install -g expo-cli
Second:
npm install -g react-native-cli
so what is different between them and what should be used if we create react native app?
Jitendra Suthar
- 2,111
- 2
- 16
- 22
49
votes
6 answers
Run a React Native iOS release build from terminal
I am trying to run the release build directly from the terminal and I did not found an option to do that.
From XCode what is required to do is:
Product -> Scheme -> Edit Scheme (cmd + <), make sure you're in the
Run tab from the side, and set…
Sandro Machado
- 9,921
- 4
- 36
- 57
40
votes
8 answers
Error: `fsevents` unavailable (this watcher can only be used on Darwin)
I'm cloning an existing react native app in my local environment, but every time I run react-native run-ios I get the following error:
** BUILD FAILED **
The following commands produced analyzer issues:
Analyze…
Aly Dabbous
- 567
- 1
- 6
- 14
26
votes
10 answers
react-native start giving Invalid regular expression invalid error
I followed following link to get started with react-native
Getting started with react native
I tried to create native app without expo
so i as per documentation i followed following command
npm install -g react-native-cli
react-native init…
user4241989
23
votes
2 answers
How to run react-native run-ios with specific target
Is there a way to run a specific target with command
react-native run-ios
for Android I'm using following
react-native run-android --variant=targetRelease
Dima Portenko
- 3,443
- 5
- 35
- 48
22
votes
12 answers
How to Get SHA-1 key in React Native cli?
In React Native when I'm trying to get Google GPS API key in Google console, I have seen package name and SHA-1 key where to I get SHA-1 key in React Native
How to get SHA-1 key in React Native cli? (not in Expo).
Balaji
- 9,657
- 5
- 47
- 47
15
votes
5 answers
Since upgrading to Xcode 10.2 I can no longer run react-native run-ios through the cli
I upgraded to Xcode 10.2 today, since upgrading I can't run react-native run-ios through the cli:
react-native run-ios --simulator="iPhone X"
Found Xcode workspace a.xcworkspace
Could not find iPhone X simulator
Error: Could not find iPhone X…
smj2393
- 1,929
- 1
- 23
- 50
11
votes
6 answers
Why react-native-cli giving errors?
I recently installed react native cli globally. When i tried to start a project using react-native init projectname or npx react-native init projectname it started downloading packages and creating the project. After completion it gave this error
…
aslamjm
- 121
- 1
- 1
- 5
10
votes
6 answers
Deprecated Gradle features were used in this build, making it incompatible with Gradle 6
I try to get Apk in react-native however it doesn't give me anything. release file which is in Apk file is empty and after Gradlew bundle release is finished, it says
Deprecated Gradle features were used in this build, making it incompatible…
Kourosh Neyestani
- 781
- 2
- 9
- 16
10
votes
1 answer
How to upgrade core-js@3 in react-native cli?
I am trying to create new project with react-native cli, but when I create a new project I am receiving the following error message:
react-native > create-react-class > fbjs > core-js@1.2.7: core-js@<2.6.8 is no longer maintained. Please, upgrade…
M.D Luffy
- 113
- 1
- 1
- 5
7
votes
1 answer
React-Native change default location of iOS and Android folder
According to the react-native cli documentation we can specify custom configuration based on each platform for RN cli.
I want to change the default location of each platform folders so I added my custom react-native.config.js to the root of the…
Hamid
- 1,948
- 4
- 25
- 38
7
votes
2 answers
How to watch react-native node_modules changes
When I run react-native start or npm start the packager starts and prompts to be Looking for JS files in /Users/map/repos/myrepo/
I've got Hot reloading enabled. When I change a file located within /Users/map/repos/myrepo/node_modules/react-native/…
maraujop
- 4,472
- 2
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- 40