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Question

I have installed the Loopbackjs and when I am trying to run lb4 command it is showing the error.

lb4: The term 'lb4' is not recognized as the name of a cmdlet,
> function, script file, or operable program. Check the spelling of the
> name, or if a path was  included, verify that the path is correct and
> try again. At line:1 char:1
> + lb4 app
> + ~~~
>     + CategoryInfo          : ObjectNotFound: (lb4:String) [], CommandNotFoundException
>     + FullyQualifiedErrorId : CommandNotFoundException  
> 
> lb4: The term 'lb4' is not recognized as the name of a cmdlet,
> function, script file, or operable program. Check the spelling of the
> name, or if a path was  included, verify that the path is correct and
> try again. At line:1 char:1
> + lb4 app
> + ~~~
>     + CategoryInfo          : ObjectNotFound: (lb4:String) [], CommandNotFoundException
>     + FullyQualifiedErrorId : CommandNotFoundException

Answer 1

CLI 工具 lb4 包含在 npm 包 @loopback/cli 中。您需要全局安装此软件包。见 Getting Started:

STEP 2

Install LoopBack 4 CLI

The LoopBack 4 CLI is a command-line interface that can scaffold a project or extension. The CLI provides the fastest way to get started with a LoopBack 4 project that adheres to best practices.
$ npm install -g @loopback/cli

Answer 2

Blockquote If you faced this kind of problem please make sure that npm is installed globally. and check also that node is properly insatlled.

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Loopback Installation

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