react-native init MyProject之后发生了什么

使用了React-Native cli里index.js提到的yarn，版本号1.17.3：

所有的依赖和完整输出：

$ react-native init MyProject
This will walk you through creating a new React Native project in c:\temp\MyProject
Using yarn v1.17.3
Installing react-native…
yarn add v1.17.3
info No lockfile found.
[1/4] Resolving packages…
warning react-native > create-react-class > fbjs > [email protected]: core-js@<2.6.8 is no longer maintained. Please, upgrade to core-js@3 or at least to actual version of core-js@2.
[2/4] Fetching packages…
info [email protected]: The platform “win32” is incompatible with this module.
info “[email protected]” is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies…
warning “react-native > [email protected]” has unmet peer dependency “@babel/core@*”.
warning " > [email protected]" has unmet peer dependency “[email protected]”.
[4/4] Building fresh packages…
success Saved lockfile.
success Saved 392 new dependencies.
info Direct dependencies
└─ [email protected]
info All dependencies
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @cnakazawa/[email protected]
├─ @hapi/[email protected]
├─ @hapi/[email protected]
├─ @hapi/[email protected]
├─ @hapi/[email protected]
├─ @jest/[email protected]
├─ @react-native-community/[email protected]
├─ @react-native-community/[email protected]
├─ @react-native-community/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
└─ [email protected]
Done in 174.83s.
info Setting up new React Native app in c:\temp\MyProject
info Adding required dependencies
yarn add v1.17.3
[1/4] Resolving packages…
warning jest > jest-cli > jest-config > jest-environment-jsdom > jsdom > [email protected]: use String.prototype.padStart()
[2/4] Fetching packages…
info [email protected]: The platform “win32” is incompatible with this module.
info “[email protected]” is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies…
warning " > @react-native-community/[email protected]" has unmet peer dependency “eslint@>=5”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@>= 4.12.1”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@^3.17.0 || ^4 || ^5”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@>=2.0.0”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@>=5”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@>=4.19.1”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@^3.0.0 || ^4.0.0 || ^5.0.0”.
warning “@react-native-community/eslint-config > [email protected]” has unmet peer dependency “eslint@^3.0.0 || ^4.0.0 || ^5.0.0 || ^6.0.0”.
[4/4] Building fresh packages…
success Saved lockfile.
success Saved 148 new dependencies.
info Direct dependencies
├─ @react-native-community/[email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
└─ [email protected]
info All dependencies
├─ @jest/[email protected]
├─ @jest/[email protected]
├─ @jest/[email protected]
├─ @react-native-community/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
└─ [email protected]
Done in 46.67s.
info Adding required dev dependencies
yarn add v1.17.3
[1/4] Resolving packages…
[2/4] Fetching packages…
warning Pattern ["@babel/core@^7.6.0"] is trying to unpack in the same destination “C:\Users\i042416\AppData\Local\Yarn\Cache\v4\[email protected]\node_modules\@babel\core” as pattern ["@babel/core@^{7.0.0","@babel/core@}7.0.0","@babel/core@^{7.0.0","@babel/core@}7.0.0","@babel/core@^{7.0.0","@babel/core@}7.1.0","@babel/core@^7.1.0"]. This could result in non-deterministic behavior, skipping.
warning Pattern ["@babel/runtime@^7.6.0"] is trying to unpack in the same destination “C:\Users\i042416\AppData\Local\Yarn\Cache\v4\npm-@babel-runtime-7.6.0-4fc1d642a9fd0299754e8b5de62c631cf5568205\node_modules\@babel\runtime” as pattern ["@babel/runtime@^7.0.0"]. This could result in non-deterministic behavior, skipping.
info [email protected]: The platform “win32” is incompatible with this module.
info “[email protected]” is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies…
warning “@react-native-community/eslint-config > [email protected]” has incorrect peer dependency “eslint@^3.0.0 || ^4.0.0 || ^5.0.0”.
warning “@react-native-community/eslint-config > [email protected]” has incorrect peer dependency “eslint@^3.17.0 || ^4 || ^5”.
warning “@react-native-community/eslint-config > @typescript-eslint/[email protected]” has incorrect peer dependency “eslint@^5.0.0”.
warning “@react-native-community/eslint-config > @typescript-eslint/[email protected]” has incorrect peer dependency “eslint@^5.0.0”.
warning “@react-native-community/eslint-config > @typescript-eslint/eslint-plugin > [email protected]” has unmet peer dependency “typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta”.
[4/4] Building fresh packages…
success Saved lockfile.
success Saved 45 new dependencies.
info Direct dependencies
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @react-native-community/[email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
└─ [email protected]
info All dependencies
├─ @babel/[email protected]
├─ @babel/[email protected]
├─ @react-native-community/[email protected]
├─ @types/[email protected]
├─ @types/[email protected]
├─ @typescript-eslint/[email protected]
├─ @typescript-eslint/[email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
├─ [email protected]
└─ [email protected]
Done in 65.15s.

Run instructions for iOS:
• cd MyProject && react-native run-ios
- or -
• Open MyProject\ios\MyProject.xcodeproj in Xcode or run “xed -b ios”
• Hit the Run button

Run instructions for Android:
• Have an Android emulator running (quickest way to get started), or a device connected.
• cd MyProject && react-native run-android

要获取更多Jerry的原创文章，请关注公众号"汪子熙":