These are some common issues you may run into while setting up React Native Qt.
Downgrade to version 5.5.1: npm install -g npm@5.5.1.
Command failed: ./build.sh -e "node_modules/react-native-i18n/desktop;node_modules/react-native-config/desktop;node_modules/react-native-fs/desktop;node_modules/react-native-http-bridge/desktop;node_modules/react-native-webview-bridge/desktop;modules/react-native-status/desktop"
Error copying directory from "/path-to-status-react/node_modules/react-native/ReactQt/runtime/src/qmldir" to "/path-to-status-react/desktop/lib/React".
make[2]: *** [lib/CMakeFiles/copy-qmldir] Error 1
make[1]: *** [lib/CMakeFiles/copy-qmldir.dir/all] Error 2
make: *** [all] Error 2
Can be solved by re-running npm install react-native which put the ReactQt/runtime/src/qmldir file back.
After last upgrade of react-native-desktop to the v.0.53.3 of original react-native appeared some incompatibility between react-native and web3 packages on npm install. Initially it installed usually fine, but after react-native desktop command execution web3 package is get removed from node_modules. Manual install of web3 by npm install web3 installs web3 package, but removes react-native package. Workaround or solution?
qrc:/qml/ReactButton.qml:33: Error: Cannot assign to non-existent property "elide"
"Component for qrc:/qml/ReactWebView.qml is not loaded"
QQmlComponent: Component is not ready
"Unable to construct item from component qrc:/qml/ReactWebView.qml"
"Can't create QML item for componenet qrc:/qml/ReactWebView.qml"
"RCTWebViewView" has no view for inspecting!
Solution: make sure that QtWebEngine components are installed.
For Mac and Linux react-native-desktop uses Qt WebEngine module to implement WebView component.
Ufortunately Qt doesn't support Qt WebEngine on Windows with MinGW, only with MSVC. And so far react-native-desktop supports only MinGW builds.
To overcome this problem on Windows we have WebView implemented with QTWebKit. But this module is outdated and not installed with Qt by default.
Currently there is issue opened to support MSVC on Windows. That will eventually fix the problem.
Until MSVC supported you have 2 options:
- Build QT5WebKit locally. Process described here - https://github.com/MaxRis/webkit/wiki/Building-QtWebKit-on-Windows-(Conan)
- Disable dependency on Qt5WebKit by changing this CMake option - https://github.com/status-im/react-native-desktop/blob/master/CMakeLists.txt#L28 (probably, you will need manually to clean up all generated CMake cache files to allow new option value to be applied correctly). You wont't be able to use
WebView, but all other components will work.