This article has a specific content for discussing about how to solve a specific error message. In this context, there is an an error message appear upon the execution of a certain command. That command is actually a command for starting a React JS application. So, in order to see the complete process which is triggering the error message, below is the actual execution :
C:\app_react>npm start npm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead. > app_react@0.1.0 start > env-cmd -f .env react-scripts start 'env-cmd' is not recognized as an internal or external command, operable program or batch file. C:\app_react>Basically, there is an error message appear in the above command execution. Actually, the appearance of the error message exist at the end. At the end after the command execution of ‘npm start’. In order to focus on the error message, below is the main part of the error message from the above output of command execution keme:
'env-cmd' is not recognized as an internal or external command, operable program or batch file.How to Solve Error Message ‘env-cmd’ is not recognized as an internal or external command, operable program or batch file
Actually, it is very easy to solve the error message appear as exist in the description in the above part. It means, there is a command for starting the React JS application but instead of running properly, it triggers an error message. Although, it is exist as part of the script for running the React JS application. Moreover, that command itself actually exist as part of the script in a file with the name of ‘package.json’. Below is the part containing the ‘env-cmd’ command in the ‘package.json’ file :
"scripts": { "start": "env-cmd -f .env react-scripts start", "build": "env-cmd -f .env react-scripts build", "test": "env-cmd -f .env react-scripts test", "eject": "env-cmd -f .env react-scripts eject" },Furthermore, there is an important in the above script. In the above script for starting React JS application, there is a line which is involving ‘env-cmd’ as follows :
"start": "env-cmd -f .env react-scripts start",By focusing to the ‘start’ process above, there is a ‘env-cmd’ string. In that case, since the ‘env-cmd’ does is the main problem, just try to install it. Below, there is a command execution for installing ‘env-cmd’ :
C:\app_react>npm install env-cmd npm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead. npm WARN ERESOLVE overriding peer dependency npm WARN While resolving: jest-pnp-resolver@1.2.2 npm WARN Found: jest-resolve@26.6.0 npm WARN node_modules/jest-pnp-resolver/node_modules/jest-resolve npm WARN npm WARN Could not resolve dependency: npm WARN peerOptional jest-resolve@"*" from jest-pnp-resolver@1.2.2 npm WARN node_modules/jest-pnp-resolver npm WARN jest-pnp-resolver@"^1.2.2" from jest-resolve@26.6.0 npm WARN node_modules/jest-pnp-resolver/node_modules/jest-resolve npm WARN 2 more (jest-resolve, jest-resolve) npm WARN ERESOLVE overriding peer dependency npm WARN While resolving: @babel/plugin-proposal-class-properties@7.12.13 npm WARN Found: @babel/core@7.12.17 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-class-properties/node_modules/@babel/core npm WARN npm WARN Could not resolve dependency: npm WARN peer @babel/core@"^7.0.0-0" from @babel/plugin-proposal-class-properties@7.12.13 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-class-properties npm WARN @babel/plugin-proposal-class-properties@"^7.12.1" from @babel/preset-env@7.12.1 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env npm WARN ERESOLVE overriding peer dependency npm WARN While resolving: @babel/plugin-proposal-nullish-coalescing-operator@7.12.13 npm WARN Found: @babel/core@7.12.17 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-nullish-coalescing-operator/node_modules/@babel/core npm WARN npm WARN Could not resolve dependency: npm WARN peer @babel/core@"^7.0.0-0" from @babel/plugin-proposal-nullish-coalescing-operator@7.12.13 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-nullish-coalescing-operator npm WARN @babel/plugin-proposal-nullish-coalescing-operator@"^7.12.1" from @babel/preset-env@7.12.1 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env npm WARN ERESOLVE overriding peer dependency npm WARN While resolving: @babel/plugin-proposal-numeric-separator@7.12.13 npm WARN Found: @babel/core@7.12.17 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-numeric-separator/node_modules/@babel/core npm WARN npm WARN Could not resolve dependency: npm WARN peer @babel/core@"^7.0.0-0" from @babel/plugin-proposal-numeric-separator@7.12.13 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-numeric-separator npm WARN @babel/plugin-proposal-numeric-separator@"^7.12.1" from @babel/preset-env@7.12.1 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env npm WARN ERESOLVE overriding peer dependency npm WARN While resolving: @babel/plugin-proposal-optional-chaining@7.12.17 npm WARN Found: @babel/core@7.12.17 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-optional-chaining/node_modules/@babel/core npm WARN npm WARN Could not resolve dependency: npm WARN peer @babel/core@"^7.0.0-0" from @babel/plugin-proposal-optional-chaining@7.12.17 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env/node_modules/@babel/plugin-proposal-optional-chaining npm WARN @babel/plugin-proposal-optional-chaining@"^7.12.1" from @babel/preset-env@7.12.1 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-env npm WARN ERESOLVE overriding peer dependency npm WARN While resolving: @babel/plugin-transform-react-display-name@7.12.13 npm WARN Found: @babel/core@7.12.17 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-react/node_modules/@babel/plugin-transform-react-display-name/node_modules/@babel/core npm WARN npm WARN Could not resolve dependency: npm WARN peer @babel/core@"^7.0.0-0" from @babel/plugin-transform-react-display-name@7.12.13 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-react/node_modules/@babel/plugin-transform-react-display-name npm WARN @babel/plugin-transform-react-display-name@"^7.12.1" from @babel/preset-react@7.12.1 npm WARN node_modules/babel-preset-react-app/node_modules/@babel/preset-react npm WARN deprecated urix@0.1.0: Please see //github.com/lydell/urix#deprecated npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See //v8.dev/blog/math-random for details. npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x. npm WARN deprecated sane@4.1.0: some dependency vulnerabilities fixed, support for node < 10 dropped, and newer ECMAScript syntax/features added npm WARN deprecated rollup-plugin-babel@4.4.0: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-babel. npm WARN deprecated request-promise-native@1.0.9: request-promise-native has been deprecated because it extends the now deprecated request package, see //github.com/request/request/issues/3142 npm WARN deprecated resolve-url@0.2.1: //github.com/lydell/resolve-url#deprecated npm WARN deprecated request@2.88.2: request has been deprecated, see //github.com/request/request/issues/3142 npm WARN deprecated querystring@0.2.0: The querystring API is considered Legacy. new code should use the URLSearchParams API instead. npm WARN deprecated har-validator@5.1.5: this library is no longer supported npm WARN deprecated flatten@1.0.3: flatten is deprecated in favor of utility frameworks such as lodash. npm WARN deprecated chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies. npm WARN deprecated babel-eslint@10.1.0: babel-eslint is now @babel/eslint-parser. This package will no longer receive updates. npm WARN deprecated @hapi/topo@3.1.6: This version has been deprecated and is no longer supported or maintained npm WARN deprecated @hapi/bourne@1.3.2: This version has been deprecated and is no longer supported or maintained npm WARN deprecated @hapi/joi@15.1.1: Switch to 'npm install joi' npm WARN deprecated @hapi/address@2.1.4: Moved to 'npm install @sideway/address' npm WARN deprecated @hapi/hoek@8.5.1: This version has been deprecated and is no longer supported or maintained npm WARN deprecated querystring@0.2.1: The querystring API is considered Legacy. new code should use the URLSearchParams API instead. npm WARN deprecated core-js@2.6.12: core-js@<3.3 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown up to 100x even if nothing is polyfilled. Please, upgrade your dependencies to the actual version of core-js. added 1856 packages, and audited 1857 packages in 5m 141 packages are looking for funding run `npm fund` for details 73 vulnerabilities (1 low, 9 moderate, 50 high, 13 critical) To address issues that do not require attention, run: npm audit fix To address all issues (including breaking changes), run: npm audit fix --force Run `npm audit` for details. C:\app_react>Finally, the execution for installing ‘env-cmd’ is a success as in the above display. After that, just try to start the React JS application once more. In case there is no other error message appear, the React JS application will start normally.
How to install next js in Windows?
Install Next..
Open a WSL command line (ie. ... .
Create a new project folder: mkdir NextProjects and enter that directory: cd NextProjects ..
Install Next. ... .
Once the package has been installed, change directories into your new app folder, cd my-next-app , then use code . to open your Next..
How to install next js using npm?
Automatic Setup
Run npm run dev or yarn dev or pnpm dev to start the development server on //localhost:3000. Visit //localhost:3000 to view your application. Edit pages/index.js and see the updated result in your browser.
Why is npm not recognized?
The error “npm is not recognized as an internal or external command” error may occur because either the npm is not installed or it is not added to the windows path. To resolve this error, the first solution is to install Node. js on Windows as Node. js is equipped with npm by default.
Where is not recognized as an internal command?
The “is not recognized as an internal command” error usually occurs because the computer can't find the executable that you're asking it to launch. However, you can provide it with the full path to your executable file and it should then be able to run it without any issues. Launch a Command Prompt window on your PC.