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@loopback/cli

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Readme

@loopback/cli

This module contains the experimental CLI for LoopBack 4.

Installation

Run the following command to install the CLI.

npm install -g @loopback/cli

Basic Use

To scaffold a LoopBack 4 application

lb4 (or lb4 app)

Usage:
  lb4 [<name>] [options]

Options:
  -h,   --help             # Print the generator's options and usage
        --skip-cache       # Do not remember prompt answers              Default: false
        --skip-install     # Do not automatically install dependencies   Default: false
        --force-install    # Fail on install dependencies error          Default: false
        --applicationName  # Application name
        --docker           # Include Dockerfile and .dockerignore
        --repositories     # Include repository imports and RepositoryMixin
        --services         # Include service-proxy imports and ServiceMixin
        --description      # Description for the application
        --outdir           # Project root directory for the application
        --tslint           # Enable tslint
        --prettier         # Enable prettier
        --mocha            # Enable mocha
        --loopbackBuild    # Use @loopback/build
        --vscode           # Use preconfigured VSCode settings
        --private          # Mark the project private (excluded from npm publish)
  -c,   --config           # JSON file name or value to configure options
  -y,   --yes              # Skip all confirmation prompts with default or provided value
        --format           # Format generated code using npm run lint:fix

Arguments:
  name  # Project name for the application  Type: String  Required: false

To scaffold a LoopBack 4 extension

lb4 extension

Usage:
  lb4 extension [<name>] [options]

Options:
  -h,   --help           # Print the generator's options and usage
        --skip-cache     # Do not remember prompt answers             Default: false
        --skip-install   # Do not automatically install dependencies  Default: false
        --force-install  # Fail on install dependencies error         Default: false
        --componentName  # Component name
        --description    # Description for the extension
        --outdir         # Project root directory for the extension
        --tslint         # Enable tslint
        --prettier       # Enable prettier
        --mocha          # Enable mocha
        --loopbackBuild  # Use @loopback/build
        --vscode         # Use preconfigured VSCode settings
        --private        # Mark the project private (excluded from npm publish)
  -c,   --config         # JSON file name or value to configure options
  -y,   --yes            # Skip all confirmation prompts with default or provided value
        --format         # Format generated code using npm run lint:fix

Arguments:
  name  # Project name for the extension  Type: String  Required: false

To scaffold a Controller into your application

cd <your-project-directory>
lb4 controller

Usage:
  lb4 controller [<name>] [options]

Options:
  -h,   --help            # Print the generator's options and usage
        --skip-cache      # Do not remember prompt answers                                Default: false
        --skip-install    # Do not automatically install dependencies                     Default: false
        --force-install   # Fail on install dependencies error                            Default: false
  -c,   --config          # JSON file name or value to configure options
  -y,   --yes             # Skip all confirmation prompts with default or provided value
        --format          # Format generated code using npm run lint:fix
        --controllerType  # Type for the controller

Arguments:
  name  # Name for the controller  Type: String  Required: false

To scaffold a DataSource into your application

cd <your-project-directory>
lb4 datasource

Usage:
  lb4 datasource [<name>] [options]

Options:
  -h,   --help           # Print the generator's options and usage
        --skip-cache     # Do not remember prompt answers                                Default: false
        --skip-install   # Do not automatically install dependencies                     Default: false
        --force-install  # Fail on install dependencies error                            Default: false
  -c,   --config         # JSON file name or value to configure options
  -y,   --yes            # Skip all confirmation prompts with default or provided value
        --format         # Format generated code using npm run lint:fix

Arguments:
  name  # Name for the datasource  Type: String  Required: true

To scaffold a Model into your application

cd <your-project-directory>
lb4 model

Usage:
  lb4 model [<name>] [options]

Options:
  -h,   --help            # Print the generator's options and usage
        --base            # A valid base model

Arguments:
  name  # Name for the model  Type: String  Required: true

To scaffold a Repository into your application

cd <your-project-directory>
lb4 repository

Usage:
  lb4 repository [<name>] [options]

Options:
  -h,   --help                 # Print the generator's options and usage
        --skip-cache           # Do not remember prompt answers                                Default: false
        --skip-install         # Do not automatically install dependencies                     Default: false
        --force-install        # Fail on install dependencies error                            Default: false
        --model                # A valid model name
        --id                   # A valid ID property name for the specified model
        --datasource           # A valid datasource name
        --repositoryBaseClass  # A valid repository base class                                 Default: DefaultCrudRepository
  -c,   --config               # JSON file name or value to configure options
  -y,   --yes                  # Skip all confirmation prompts with default or provided value
        --format               # Format generated code using npm run lint:fix

Arguments:
  name  # Name for the repository   Type: String  Required: false

To scaffold a Service into your application

cd <your-project-directory>
lb4 service

Usage:
  lb4 service [<name>] [options]

Options:
  -h,   --help           # Print the generator's options and usage
        --skip-cache     # Do not remember prompt answers                                Default: false
        --skip-install   # Do not automatically install dependencies                     Default: false
        --force-install  # Fail on install dependencies error                            Default: false
        --datasource     # A valid datasource name
  -c,   --config         # JSON file name or value to configure options
  -y,   --yes            # Skip all confirmation prompts with default or provided value
        --format         # Format generated code using npm run lint:fix

Arguments:
  name  # Name for the service  Type: String  Required: false

To download one of LoopBack example projects

lb4 example

Usage:
  lb4 example [<example-name>] [options]

Options:
  -h,   --help           # Print the generator's options and usage
        --skip-cache     # Do not remember prompt answers                                Default: false
        --skip-install   # Do not automatically install dependencies                     Default: false
        --force-install  # Fail on install dependencies error                            Default: false
  -c,   --config         # JSON file name or value to configure options
  -y,   --yes            # Skip all confirmation prompts with default or provided value
        --format         # Format generated code using npm run lint:fix

Arguments:
  example-name  # Name of the example to clone  Type: String  Required: false

Available examples:
  todo: Tutorial example on how to build an application with LoopBack 4.
  todo-list: Continuation of the todo example using relations in LoopBack 4.
  hello-world: A simple hello-world Application using LoopBack 4.
  log-extension: An example extension project for LoopBack 4.
  rpc-server: A basic RPC server using a made-up protocol.
  soap-calculator: An example on how to integrate SOAP web services
  express-composition: A simple Express application that uses LoopBack 4 REST API.

To generate artifacts from an OpenAPI spec into your application

cd <your-project-directory>
lb4 openapi

Usage:
  lb4 openapi [<url>] [options]

Options:
  -h,   --help                       # Print the generator's options and usage
        --skip-cache                 # Do not remember prompt answers                                Default: false
        --skip-install               # Do not automatically install dependencies                     Default: false
        --force-install              # Fail on install dependencies error                            Default: false
        --url                        # URL or file path of the OpenAPI spec
        --validate                   # Validate the OpenAPI spec                                     Default: false
        --promote-anonymous-schemas  # Promote anonymous schemas as models                           Default: false
  -c,   --config                     # JSON file name or value to configure options
  -y,   --yes                        # Skip all confirmation prompts with default or provided value
        --format                     # Format generated code using npm run lint:fix

Arguments:
  url  # URL or file path of the OpenAPI spec  Type: String  Required: false

To list available commands

lb4 --commands (or lb4 -l)

Available commands:
  lb4 app
  lb4 extension
  lb4 controller
  lb4 datasource
  lb4 model
  lb4 repository
  lb4 service
  lb4 example
  lb4 openapi

Please note lb4 --help also prints out available commands.

To print out version information

lb4 --version (or lb4 -v)

@loopback/cli version: 1.8.1

@loopback/* dependencies:
  - @loopback/authentication: ^1.0.14
  - @loopback/boot: ^1.0.14
  - @loopback/build: ^1.3.1
  - @loopback/context: ^1.6.0
  - @loopback/core: ^1.1.7
  - @loopback/metadata: ^1.0.7
  - @loopback/openapi-spec-builder: ^1.0.7
  - @loopback/openapi-v3-types: ^1.0.7
  - @loopback/openapi-v3: ^1.2.3
  - @loopback/repository-json-schema: ^1.3.3
  - @loopback/repository: ^1.1.7
  - @loopback/rest: ^1.7.0
  - @loopback/testlab: ^1.0.7
  - @loopback/docs: ^1.9.1
  - @loopback/service-proxy: ^1.0.9
  - @loopback/http-caching-proxy: ^1.0.8
  - @loopback/http-server: ^1.1.7
  - @loopback/rest-explorer: ^1.1.10

Contributions

Tests

run npm test from the root folder.

Contributors

See all contributors.

License

MIT