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Interface: INodeOptions

The options when running the node.

Properties​

serverName?​

optional serverName: string

The name of the server, defaults to "TWIN Node Server".

Default​

"TWIN Node Server"

serverVersion?​

optional serverVersion: string

The version of the server, defaults to the current version.

envVars?​

optional envVars: object

Additional environment variables to set.

Index Signature​

[key: string]: string

envFilenames?​

optional envFilenames: string[]

Additional environment variable filenames to load, defaults to .env.

envPrefix?​

optional envPrefix: string

The prefix for environment variables, defaults to "TWIN_".

configFilenames?​

optional configFilenames: string[]

A list of JSON files to load as configuration files. The files will be loaded in the order they are provided, and the last one will override any previous values.

config?​

optional config: IEngineConfig

Provides the ability to have some initial custom configuration for the engine. This will be merged with any configuration loaded from the environment variables.

executionDirectory?​

optional executionDirectory: string

The directory to override the execution location, defaults to process directory.

localesDirectory?​

optional localesDirectory: string

The directory to override the locales directory, defaults to the locales directory.

openApiSpecFile?​

optional openApiSpecFile: string

The path to the OpenAPI spec file, defaults to docs/open-api/spec.json.

favIconFile?​

optional favIconFile: string

The path to the favicon, defaults to static/favicon.png.

extendEnvVars()?​

optional extendEnvVars: (envVars) => Promise<void>

Method to extend the engine environment variables with any additional custom configuration.

Parameters​

envVars​

INodeEnvironmentVariables

Returns​

Promise<void>

extendConfig()?​

optional extendConfig: (envVars, config) => Promise<void>

Method to extend the engine configuration with any additional custom configuration.

Parameters​

envVars​

INodeEnvironmentVariables

config​

INodeEngineConfig

Returns​

Promise<void>

extendEngine()?​

optional extendEngine: (engine) => Promise<void>

Method to extend the engine with any additional options.

Parameters​

engine​

IEngineCore

Returns​

Promise<void>

extendEngineServer()?​

optional extendEngineServer: (engineServer) => Promise<void>

Method to extend the engine server with any additional options.

Parameters​

engineServer​

IEngineServer

Returns​

Promise<void>

stateStorage?​

optional stateStorage: IEngineStateStorage<IEngineState>

The state storage to use for the engine. If not provided, a default file-based state storage will be used.

disableProcessExitOnFailure?​

optional disableProcessExitOnFailure: boolean

Disables process.exit calls on fatal errors and throws instead.