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README.md

@openapitools/openapi-generator-cli

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OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (both 2.0 and 3.0 are supported). Please see OpenAPITools/openapi-generator


Version 2.x.x

[update] The command has been renamed

You need to execute openapi-generator-cli instead of openapi-generator from now on.

[added] semver support! 🎉

To make that happen, a version management was added to the package. The first time you run the command openapi-generator-cli the last stable version of OpenAPITools/openapi-generator is downloaded by default.

That version is saved in the file openapitools.json. Therefore you should include this file in your version control, to ensure that the correct version is being used next time you call the command.

If you would like to use a different version of the OpenAPITools/openapi-generator, you could change it by using one of the following commands:

  • openapi-generator-cli version-manager list
  • openapi-generator-cli version-manager set <versionTags...>

[added] generator config

You will now be able to configure the code generation in openapitools.json. This makes it more convenient to generate code for every file that matches the given glob expression. For more information, please check out the configuration documentation blow.

Installation

Locally (recommended)

npm install @openapitools/openapi-generator-cli

or using yarn

yarn add @openapitools/openapi-generator-cli

After the installation has finished you can run npx openapi-generator-cli or add a script like this:

{
  "name": "my-cool-package",
  "version": "0.0.0",
  "scripts": {
    "my-awesome-script-name": "openapi-generator-cli generate -i docs/openapi.yaml -g typescript-angular -o generated-sources/openapi --additional-properties=ngVersion=6.1.7,npmName=restClient,supportsES6=true,npmVersion=6.9.0,withInterfaces=true",
  }
}

Note the whitespace sensitivity when using multiple additional-properties:

--additional-properties=ngVersion=6.1.7,npmName=restClient,supportsES6=true,npmVersion=6.9.0,withInterfaces=true

Globally

npm install -g @openapitools/openapi-generator-cli

or using yarn

yarn global add @openapitools/openapi-generator-cli

After the installation has finished you can run openapi-generator-cli

Usage

Mac/Linux:

openapi-generator-cli generate -g ruby -i https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml -o /var/tmp/ruby-client

Windows:

openapi-generator-cli generate -g ruby -i https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml -o C:\temp\ruby-client

Configuration

If you have installed the package locally and executed the command openapi-generator-cli at least once, you will find a new file called openapitools.json along with the package.json. Please add this file to your VCS.

Initially the file has the following content:

{
  "$schema": "node_modules/@openapitools/openapi-generator-cli/config.schema.json",
  "spaces": 2,
  "generator-cli": {
    "version": "4.3.1" // or the current latest version ;)
  }
}

This configuration indicates the following:

  • the json file shall be formatted using 2 spaces
  • the jar files shall be downloaded to ./my/custom/storage/dir
  • the generator-cli version 4.3.1 is used

Further it is also possible to configure generators, for example:

{
  "$schema": "node_modules/@openapitools/openapi-generator-cli/config.schema.json",
  "spaces": 2,
  "generator-cli": {
    "version": "4.3.1",
    "storageDir": "~/my/custom/storage/dir", // optional
    "generators": { // optional
      "v2.0": { // any name you like (just printed to the console log) 
        "generatorName": "typescript-angular",
        "output": "#{cwd}/output/v2.0/#{ext}/#{name}",
        "glob": "examples/v2.0/{json,yaml}/*.{json,yaml}",
        "additionalProperties": {
          "ngVersion": "6.1.7",
          "npmName": "restClient",
          "supportsES6": "true",
          "npmVersion": "6.9.0",
          "withInterfaces": true
        }
      },
      "v3.0": { // any name you like (just printed to the console log) 
        "generatorName": "typescript-fetch",
        "output": "#{cwd}/output/v3.0/#{ext}/#{name}",
        "glob": "examples/v3.0/petstore.{json,yaml}"
      }
    }
  }
}

If openapi-generator-cli generate is called without further arguments, then the configuration is automatically used to generate your code. 🎉

Available placeholders
placeholder description example
name just file name auth
Name just file name, but starting with a capital letter Auth
cwd the current cwd /Users/some-user/projects/some-project
base file name and extension auth.yaml
path full path and filename /Users/some-user/projects/some-project/docs/auth.yaml
dir path without the filename /Users/some-user/projects/some-project/docs
relDir directory name of file relative to the glob provided docs
relPath file name and extension of file relative to the glob provided docs/auth.yaml
ext just file extension yaml

Further Documentation

Please refer to the official openapi-generator docs for more information about the possible arguments and a detailed usage manual of the command line interface.

Install previous version

npm install @openapitools/openapi-generator-cli@previous
npm i @openapitools/openapi-generator-cli@1.0.18-4.3.1                                         

or using yarn

yarn add @openapitools/openapi-generator-cli@previous
yarn add @openapitools/openapi-generator-cli@1.0.18-4.3.1

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