「React」You are running `create-react-app` 4.0.3, which is behindの解決方法
環境
Windows 10 Home 64bit
node v17.1.0
npm 8.1.2
エラー現象
You are running `create-react-app` 4.0.3, which is behind the latest release (5.0.1).
操作例
C:\study\skill\react>npx create-react-app reactsample You are running `create-react-app` 4.0.3, which is behind the latest release (5.0.1). We no longer support global installation of Create React App. Please remove any global installs with one of the following commands: - npm uninstall -g create-react-app - yarn global remove create-react-app The latest instructions for creating a new app can be found here: https://create-react-app.dev/docs/getting-started/ npm notice npm notice New minor version of npm available! 8.1.2 -> 8.19.1 npm notice Changelog: https://github.com/npm/cli/releases/tag/v8.19.1 npm notice Run npm install -g npm@8.19.1 to update! npm notice
解決の対策
1.古いバージョン「create-react-app」をアンインストールします
C:\study\skill\react>npm uninstall -g create-react-app removed 67 packages, and audited 1 package in 2s found 0 vulnerabilities
2.npmのアップデートを行います
C:\study\skill\react>npm install -g npm@8.19.1 to update npm WARN deprecated set-value@0.2.0: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.4.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.4.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.4.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.4.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.4.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. npm WARN deprecated set-value@0.3.3: Critical bug fixed in v3.0.1, please upgrade to the latest version. added 643 packages, and audited 670 packages in 3m 10 packages are looking for funding run `npm fund` for details 53 vulnerabilities (7 low, 3 moderate, 42 high, 1 critical) To address issues that do not require attention, run: npm audit fix To address all issues possible (including breaking changes), run: npm audit fix --force Some issues need review, and may require choosing a different dependency. Run `npm audit` for details.
3.npmのバージョンを確認します
C:\study\skill\react>npm --version 8.19.1