Extension Service

Manages and runs basic extension functionality.

Class members

Methods

• evaluateRule(ruleId: string, context?: RuleContext): boolean
  Evaluates a rule.

  • ruleId: string - ID of the rule to evaluate
  • context: RuleContext - (Optional) Custom rule execution context.
  • Returns boolean - True if the rule passed, false otherwise

• getActionById(id: string): ActionRef
  Retrieves an action using its ID value.

  • id: string - The ID value to look for
  • Returns ActionRef - Action or null if not found

• getAuthGuards(ids: string[]): Array<Type<any>>
  Retrieves one or more auth guards using an array of ID values.

  • ids: string[] - Array of ID value to look for
  • Returns Array<Type<any>> - Array of auth guards or empty array if none were found

• getComponentById(id: string): Type<>
  Retrieves a registered extension component using its ID value.

  • id: string - The ID value to look for
  • Returns Type<> - The component or null if not found

• getElements(key: string, fallback: Array<> = []): Array<>
  

  • key: string -
  • fallback: Array<> -
  • Returns Array<> -

• getEvaluator(key: string): RuleEvaluator
  Retrieves a RuleEvaluator function using its key name.

  • key: string - Key name to look for
  • Returns RuleEvaluator - RuleEvaluator or null if not found

• getFeature(key: string|string[], defaultValue: any = [])
  Gets features by key.

  • key: string|string[] - Key string using dot notation or array of strings
  • defaultValue: any - Default value returned if feature is not found, default is empty array

• getRouteById(id: string): RouteRef
  Retrieves a route using its ID value.

  • id: string - The ID value to look for
  • Returns RouteRef - The route or null if not found

• getRuleById(id: string): RuleRef
  Retrieves a rule using its ID value.

  • id: string - The ID value to look for
  • Returns RuleRef - The rule or null if not found

• load(): Promise<ExtensionConfig>
  Loads and registers an extension config file and plugins (specified by path properties).

  • Returns Promise<ExtensionConfig> - The loaded config data

• runExpression(value: string|any, context?: any): any
  Runs a lightweight expression stored in a string.

  • value: string|any - String containing the expression or literal value
  • context: any - (Optional) Parameter object for the expression with details of app state
  • Returns any - Result of evaluated expression, if found, or the literal value otherwise

• setAuthGuards(values: Function)
  Adds one or more new auth guards to the existing set.

  • values: Function - The new auth guards to add

• setComponents(values: Function)
  Adds one or more new components to the existing set.

  • values: Function - The new components to add

• setEvaluators(values: Function)
  Adds one or more new rule evaluators to the existing set.

  • values: Function - The new evaluators to add

• setup(config: ExtensionConfig)
  Registers extensions from a config object.

  • config: ExtensionConfig - Object with config data

Details

Use the methods of this service to add extensibility features to your app. You can find further details in the App extensions page.