react-native start
┌──────────────────────────────────────────────────────────────────────────────┐
│ │
│ Running Metro Bundler on port 8081. │
│ │
│ Keep Metro running while developing on any JS projects. Feel free to │
│ close this tab and run your own Metro instance if you prefer. │
│ │
│ https://github.com/facebook/react-native │
│ │
└──────────────────────────────────────────────────────────────────────────────┘
Looking for JS files in
D:\local\一些测试\myApp
Loading dependency graph, done.
error: bundling failed: Error: Unable to resolve module warnOnce
from node_modules\react-native\Libraries\react-native\react-native-implementation.js
: warnOnce could not be found within the project.
If you are sure the module exists, try these steps:
- Clear watchman watches: watchman watch-del-all
- Delete node_modules: rm -rf node_modules and run yarn install
- Reset Metro's cache: yarn start --reset-cache
- Remove the cache: rm -rf /tmp/metro-*
at ModuleResolver.resolveDependency (C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\node-haste\DependencyGraph\ModuleResolution.js:186:15)
at ResolutionRequest.resolveDependency (C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\node-haste\DependencyGraph\ResolutionRequest.js:52:18)
at DependencyGraph.resolveDependency (C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\node-haste\DependencyGraph.js:282:16)
at Object.resolve (C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\lib\transformHelpers.js:267:42)
at C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\DeltaBundler\traverseDependencies.js:426:31
at Array.map (<anonymous>)
at resolveDependencies (C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\DeltaBundler\traverseDependencies.js:423:18)
at C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\DeltaBundler\traverseDependencies.js:275:33
at Generator.next (<anonymous>)
at asyncGeneratorStep (C:\Users\xiao\AppData\Roaming\npm\node_modules\react-native\node_modules\metro\src\DeltaBundler\traverseDependencies.js:87:24)
BUNDLE [ios, dev] rn_temp/index.js ░░░░░░░░░░░░░░░░ 1.2% (9/82), failed.
::ffff:127.0.0.1 - - [11/Jan/2020:18:40:15 +0000] "GET /rn_temp/index.bundle?platform=ios&dev=true HTTP/1.1" 500 - "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36"