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I'm trying to build a new React Native project with the Facebook React Native tutorial. This command has worked for me before, but all of a sudden I now get this error message.
(node:14866) UnhandledPromiseRejectionWarning: Error: Cannot find module '/MyProject/node_modules/react-native-scripts/build/scripts/init.js'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:581:15)
at Function.Module._load (internal/modules/cjs/loader.js:507:25)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:20:18)
at _callee2$ (/.config/yarn/global/node_modules/create-react-native-app/build/index.js:128:32)
at tryCatch (/.config/yarn/global/node_modules/regenerator-runtime/runtime.js:62:40)
at Generator.invoke [as _invoke] (/.config/yarn/global/node_modules/regenerator-runtime/runtime.js:296:22)
at Generator.prototype.(anonymous function) [as next] (/.config/yarn/global/node_modules/regenerator-runtime/runtime.js:114:21)
at step (/.config/yarn/global/node_modules/babel-runtime/helpers/asyncToGenerator.js:17:30)
at /.config/yarn/global/node_modules/babel-runtime/helpers/asyncToGenerator.js:28:13
(node:14866) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:14866) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
I'm not sure what changed, but I'm unable to find a workaround. Can anyone help?
EDIT: The new way to start React Native app is found here: https://github.com/react-community/create-react-native-app
Answer is below.
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To solve the "Cannot find module react or its corresponding type declarations" error, install the module and its type definitions by running the commands npm install react and npm i --save-dev @types/react . Copied!
If you are getting the "Cannot find module" error when trying to run a local file, make sure that the path you passed to the node command points to a file that exists. For example, if you run node src/index. js , make sure that the path src/index. js points to an existing file.
To solve the "Cannot find module path or its corresponding type declarations" error, install the types for node by running the command npm i -D @types/node . You can then import path with the following line of code import * as path from 'path' .
Create React Native App has changed and now uses a new Expo CLI.
I followed the instructions here: https://github.com/react-community/create-react-native-app
$ npm install -g expo-cli
$ expo init AwesomeProject
$ cd AwesomeProject
$ expo start
It will now open up a new localhost Metro Bundler that has a GUI that allows you to run your simulator, send link, or publish your project.
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