react-native - 如何将 core-js 更新为 core-js@3 依赖项？

Question

当我尝试安装和设置 react native 时，观察到关于 core-js 版本的预防措施是将您的 core-js@... 更新为 core-js@3 但不知道如何更新我的 core-js。

$ sudo react-native init AwesomeProject121
Password:
This will walk you through creating a new React Native project in /Users/amarnr1989/AwesomeProject121
Using yarn v1.13.0
Installing react-native...
yarn add v1.13.0
info No lockfile found.
[1/4] 🔍  Resolving packages...
warning react-native > create-react-class > fbjs > core-js@1.2.7: core-js@<2.6.5 is no longer maintained. Please, upgrade to core-js@3 or at least to actual version of core-js@2.
[2/4] 🚚  Fetching packages...
[----------------------------------------------------------------------------------------------------------------------------------------------------------] 0/601internal/modules/cjs/loader.js:584
    throw err;
    ^

Error: Cannot find module '/Users/amarnr1989/AwesomeProject121/node_modules/react-native/package.json'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)
    at Function.Module._load (internal/modules/cjs/loader.js:508:25)
    at Module.require (internal/modules/cjs/loader.js:637:17)
    at require (internal/modules/cjs/helpers.js:22:18)
    at checkNodeVersion (/usr/local/lib/node_modules/react-native-cli/index.js:306:21)
    at run (/usr/local/lib/node_modules/react-native-cli/index.js:300:3)
    at createProject (/usr/local/lib/node_modules/react-native-cli/index.js:249:3)
    at init (/usr/local/lib/node_modules/react-native-cli/index.js:200:5)
    at Object.<anonymous> (/usr/local/lib/node_modules/react-native-cli/index.js:153:7)
    at Module._compile (internal/modules/cjs/loader.js:701:30)

请建议

Answer 1

使用以下命令更新 core-js:

npm install --save core-js@^3

如果您阅读了 React Docs你会发现这个命令是从你需要升级 React 本身的时候派生出来的。