All Questions
Tagged with react-native node.js
3,332
questions
169
votes
32
answers
179k
views
React Native on Android: Cannot run program "node": error=2, No such file or directory
EDIT: I am uncertain which steps I took to resolve this problem, and am no longer seeing this error message so I cannot test the solutions below. Please try them individually as different answers seem ...
138
votes
10
answers
238k
views
"React.Children.only expected to receive a single React element child" error when putting <Image> and <TouchableHighlight> in a <View>
I have the following render method in my React Native code:
render() {
const {height, width} = Dimensions.get('window');
return (
<View style={styles.container}>
<Image
...
118
votes
22
answers
107k
views
React Native ios build : Can't find node
I have a prototype ready to go and the project is jammed with build:
error: Can't find 'node' binary to build React Native bundle If you
have non-standard nodejs installation, select your project ...
110
votes
32
answers
255k
views
npm install Error: rollbackFailedOptional
When I try npm install new packages it shows me this error:
rollbackFailedOptional: verb npm-session 585aaecfe5f9a82
node --version
8.4.0
npm --version
5.3.0
86
votes
24
answers
134k
views
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/...
78
votes
38
answers
223k
views
react-native run-android is unrecognized
I've installed react-native-cli globally:
npm install -g react-native-cli
Then run:
react-native init AwesomeProject
cd AwesomeProject
I got the following structure:
-- ...
76
votes
2
answers
22k
views
Authentication with React Native and API backend
I'm trying to wrap my head around oauth with a React Native app and a separate NodeJS/Express API backend. I understand https://github.com/adamjmcgrath/react-native-simple-auth offers authentication ...
50
votes
9
answers
37k
views
expo + react-native: There was a problem sending log messages
I am building a react-native app that I recently moved to expo. The app seems to display the expected screen, but before it completes, I am receiving the following error message: console.error: "...
44
votes
4
answers
69k
views
Cancel All Subscriptions and Asyncs in the componentWillUnmount Method, how?
I'm getting an error message due to an async method issue. In my terminal I'm seeing:
Warning: Can't call setState (or forceUpdate) on an unmounted component. This is a no-op, but it indicates a ...
40
votes
13
answers
109k
views
Axios (in React-native) not calling server in localhost
I'm building a really easy api and react-native application. The server works well (tested with PostMan) but the application doesn't call the server. It blocks when axios has to send the post request ...
40
votes
8
answers
16k
views
ReferenceError: Can't find variable: __fbBatchedBridge
Using just the default code from react-native init AwesomeProject, when I run the app I get the 'ReferenceError: Can't find variable: __fbBatchedBridge (line 1 in the generated bundle)'.
And, when I '...
39
votes
9
answers
88k
views
Detect swipe left in React Native
How can I detect a left swipe on the entire screen in React Native?
Would it be necessary to use PanResponder or can it be done a little more easy?
39
votes
5
answers
12k
views
Viable options for running NodeJS on Android (Aug 2017)
There are a bunch of old SO threads dealing with running NodeJS on Android. Most of these are no longer viable (JXCore) and/or provide confusing, outdated, incomplete, or erroneous information.
...
35
votes
11
answers
119k
views
ENOENT: no such file or directory when running npm install command
When I run npm install, I getting the following error,
npm WARN tar ENOENT: no such file or directory, open 'D:\Live Project\insyte-mobile\insyte-mobile\node_modules.staging\core-js-c9f4d03d\library\...
34
votes
1
answer
45k
views
what is the use of watchman for react native?
Can anybody describe clearly what the use of watchman available in npm library?
----Details I found---
npm - npm is the largest NodeJS package manager
NodeJS - Server-side Javascript runtime
...
33
votes
9
answers
44k
views
Is it possible to combine React Native with socket.io
I was working on an app with Phonegap + React.js and Socket.io. However, then React-Native got released and the native feel is amazing.
I tried getting socket.io-client working with React Native, ...
32
votes
4
answers
55k
views
How to build expo apk using eas build
After updating expo it no longer supports building apk files using expo build:android -t apk and instead advices to using eas builds using the command eas build -p android --profile preview but it ...
31
votes
5
answers
60k
views
Can't find variable: Buffer
I'm trying to use node modules in my react-native app, and I'm taking the ReactNativify approach here.
I'm all set up now, and I got the crypto package to load in fine. However when I added in eth-...
29
votes
9
answers
28k
views
spawn yarnpkg ENOENT
This happens when I run expo install expo-permissions
It explicitly returns me
Installing 1 SDK 35.0.0 compatible native module using Yarn.
yarn add expo-permissions@~7.0.0
spawn yarnpkg ENOENT
Set ...
29
votes
8
answers
83k
views
Proper mechanism to downgrade react-native
My situation is this :
I had a working copy of a react-native project that was working well. Had it commited to my git repository.
I decided to upgrade react-native to 0.26.3 and then 0.28 and ...
29
votes
6
answers
22k
views
xcode using wrong node.js version
I am new to React Native. I used react-native init XXX to create a new project. When launch the xcodeproj, I got an error saying:
const setupEnvScript = /^win/.test(process.platform)
^^^^^
...
29
votes
5
answers
45k
views
React Native: process.env has only NODE_ENV
I'm setting an environment variable while building my react-native app (on windows):
SET APP_ENV=dev & react-native run-android
echo %APP_ENV% returns 'dev'
But when I log process.env object in ...
28
votes
14
answers
65k
views
Error: Unable to determine the current character, it is not a string, number, array, or object in react-native for android
Whenever I run react-native run-android while keeping the emulator running, I get this error. react-native run-ios wroks completely fine.
Error: Command failed: ./gradlew app:installDebug -...
28
votes
9
answers
36k
views
CocoaPods could not find compatible versions for pod "lottie-ios"
i can't install react-native-lottie throwing error compatatible version for lottie-react-native CocoaPods could not find compatible versions for pod "lottie-ios"
27
votes
20
answers
74k
views
Cannot uninstall webpack from react-script
I was trying to make a todo-app in react, which is new to me. But after once installed webpack, npm start doesnt working. It gives me:
[email protected] start /home/hanna/Desktop/projects/my-todo-...
27
votes
8
answers
55k
views
-bash: react-native: command not found
I have successfully installed brew, node 4.0+, watchman and flow, and I received the following when I do npm install -g react-native-cli:
/Users/home/.node/bin/react-native -> /Users/home/.node/...
26
votes
8
answers
20k
views
React-Native project stuck on :app:installDebug
Every time I run my react-native project it's stuck in 99%.
I've tried to run ./Gradlew clean and kill adb but nothing works.
I already used my device via usb, genymotion and android studio emulator ...
25
votes
4
answers
29k
views
fetch API always returns {"_U": 0, "_V": 0, "_W": null, "_X": null}
The below code always return the below wired object
{"_U": 0, "_V": 0, "_W": null, "_X": null}
as response.
Here is my code
getData = () => {
...
24
votes
5
answers
77k
views
What does '&&' operator indicate with { this.props.children && React.cloneElement(this.props.children, { foo:this.foo})
I have react class that is rendered using react router. I understand that React.cloneElement is used to pass elements from parent to child. But why/what does the '&&' operator do with this ...
24
votes
4
answers
22k
views
Where is Yarn storing offline packages?
I'm trying to install all the dependencies for this repo:
https://github.com/react-community/react-navigation
The problem is that Yarn seems to have stored offline packages somewhere other than the ...
24
votes
3
answers
21k
views
Pass an object with JS throw new Error in node
I want to throw an error in my node application as follows.
throw new Error({ status: 400, error: 'Email already exists' });
this give me the following output.
Error: [object Object]
I can't ...
20
votes
2
answers
13k
views
Can I use reactJS library in react-native?
Well, this might be a silly question but I want to clarify the reason.
React-Native imports nodeJS libraries, so I think it is possible to use reactJS library as well though reactJS includes pure html ...
19
votes
2
answers
5k
views
How do I read NPM dependency-conflict errors?
I'm trying to run npm install on a fairly outdated project and keep running into NPM dependency errors. I've ran into hundreds of errors like these before in various projects, but I have yet to find a ...
19
votes
4
answers
12k
views
React native and socket.io node not working
Below is my react native component and node server.js code that I am trying to connect to my node websocket backend.
My react code is running on the same computer as the server. I have found so many ...
17
votes
5
answers
34k
views
Process 'command 'node'' finished with non-zero exit value 1
I tried to build jitsi meet based on react-native but it stucks in bundleReleaseJsAnd assets and then throw this error :
Process 'command 'node'' finished with non-zero exit value 1
16
votes
8
answers
29k
views
Getting 'TypeError: interpolate is not a function' in React-Native
I am learning react-native currently.
I'm on this Project that uses mainly - react-navgation,FlatList and react-native-magnus for UI.
It takes in
an Array of Objects, and uses FlatList to return a ...
16
votes
6
answers
51k
views
yarn install throw error request failed \"404 Not found"
I have react native project that I worked on my laptop. when I transfer the project to my pc and run yarn install (I installed the some modules using yarn and some using npm) I get
An unexpected ...
16
votes
17
answers
30k
views
React native : Failed to construct transformer: Error: Cannot create a string longer than 0x1fffffe8 characters
package.json
{
"name": "project",
"version": "0.0.1",
"private": true,
"scripts": {
"android": "react-native run-...
16
votes
2
answers
15k
views
React Native: fetch request failed with error - TypeError: Network request failed(…)
I am developing a simple app using React Native. I am testing it on Android device. I have created a Node.js server to listen to the requests, it is running at http://localhost:3333/.
Next, I am ...
16
votes
5
answers
14k
views
react-native to use absolute paths? instead of doing import X from '../../something/X'?
I'm wondering the best way for me to use a full path for my project.
For example, if I am importing a component, I don't want to do import Component from '../components/Component', rather just do ...
16
votes
1
answer
2k
views
How get notifications from stack overflow for new questions?
I would like to answer to new javascript, react, react-native and node questions. So, how would I know about the new questions which are asked by users on these areas?
16
votes
4
answers
10k
views
React-Native Packager Failure: Duplicate module name
This happened seemingly randomly during development. When trying to run npm start or react-native run-ios, I get the following error:
Failed to build DependencyGraph: @providesModule naming collision:...
15
votes
7
answers
21k
views
`Firebase` package was successfully found. However, this package itself specifies a `main` module field that could not be resolved
I'm trying to read and write to firestore, use firebase's authentication, and firebase's storage within a expo managed react-native application.
Full Error:
While trying to resolve module `firebase` ...
15
votes
6
answers
3k
views
Property body[41] of BlockStatement expected node to be of a type ["Statement"] but instead got "AssignmentExpression"
My react native project worked fine yesterday. But this morning, after I tried to run it again, it gave me the following error:
error node_modules/react-native/Libraries/Components/ScrollView/...
15
votes
7
answers
47k
views
The legacy expo-cli does not support Node +17
I have installed expo-cli and set the env variable. It gives this error:
The legacy expo-cli does not support Node +17. Migrate to the versioned Expo CLI (npx expo).
Uncaught Error Error: EPERM: ...
15
votes
6
answers
10k
views
Error while running react application
Error:
Cannot find module 'webpack/schemas/WebpackOptions.json'
My webpack.config.js looks like this -
var config = {
entry: './main.js',
output: {
path: '/',
filename: 'index.js',
},
...
15
votes
2
answers
1k
views
React native deploying on iOS device stuck on Running 1 of 1 custom shell script
I'm trying to run a React Native application on iOS device. It works fine on simulator, but while running on device it takes long 20-25 minutes to run. I get stuck on Running 1 of 1 custom shell ...
14
votes
7
answers
11k
views
npm install -g expo-cli fails with "EPERM: operation not permitted, unlink '...\adb.exe'
I receive an error when running
$ npm install -g expo-cli
I have tried reinstalling the node modules as An Administrator but the same error occurs.
Environment:
Windows 10,
Node Version: 10.15.3,
...
14
votes
3
answers
8k
views
React Native - Automatic version name from package.json to android build manifest
Currently I have a react native app and the issue that I have is that is very time consuming to update the version on every build or commit.
Also, I have Sentry enabled so every time I build, some ...
14
votes
7
answers
11k
views
React Native starter project bundling fails with Unexpected Token error
I'm trying to create my first React Native app for Android using the instructions on https://facebook.github.io/react-native/docs/getting-started.html. After setting up the dependencies and connecting ...