Class EventManager

Index

Constructors

Methods

bindDOM debounce delegate getEventTypes getHandlerCount hasHandlers off on once throttle trigger unbindAll unbindDOM

Constructors

constructor

new EventManager(component: ComponentWithErrorHandling): EventManager
Constructor for EventManager
Parameters
- component: ComponentWithErrorHandling
  Reference to the component instance
Returns EventManager
- Defined in core/event-manager.ts:45

Methods

bindDOM

bindDOM(
    element: HTMLElement,
    eventType: string,
    handler: DOMEventHandler,
    options?: boolean | AddEventListenerOptions,
): void
Bind a DOM event handler
Parameters
- element: HTMLElement
  DOM element
- eventType: string
  DOM event type
- handler: DOMEventHandler
  Event handler function
- options: boolean | AddEventListenerOptions = false
  Event listener options
Returns void
- Defined in core/event-manager.ts:136

debounce

debounce(eventType: string, handler: EventHandler, delay?: number): void
Debounce event handler execution
Parameters
- eventType: string
  Event type
- handler: EventHandler
  Event handler function
- delay: number = 300
  Debounce delay in milliseconds
Returns void
- Defined in core/event-manager.ts:303

delegate

delegate(
    container: HTMLElement,
    selector: string,
    eventType: string,
    handler: DOMEventHandler,
): void
Delegate DOM events to child elements
Parameters
- container: HTMLElement
  Container element
- selector: string
  CSS selector for target elements
- eventType: string
  DOM event type
- handler: DOMEventHandler
  Event handler function
Returns void
- Defined in core/event-manager.ts:241

getEventTypes

getEventTypes(): string[]
Get all registered event types

Returns string[]
Array of event types
- Defined in core/event-manager.ts:230

getHandlerCount

getHandlerCount(eventType: string): number
Get the number of handlers for a specific event type
Parameters
- eventType: string
  Event type
Returns number
Number of handlers
- Defined in core/event-manager.ts:221

hasHandlers

hasHandlers(eventType: string): boolean
Check if there are any handlers for a specific event type
Parameters
- eventType: string
  Event type
Returns boolean
True if handlers exist
- Defined in core/event-manager.ts:211

off

off(eventType: string, handler?: EventHandler): void
Unbind an event handler from a custom event
Parameters
- eventType: string
  Event type
- Optionalhandler: EventHandler
  Event handler function (optional)
Returns void
- Defined in core/event-manager.ts:73

on

on(eventType: string, handler: EventHandler): void
Bind an event handler to a custom event
Parameters
- eventType: string
  Event type
- handler: EventHandler
  Event handler function
Returns void
- Defined in core/event-manager.ts:56

once

once(eventType: string, handler: EventHandler): void
Create a one-time event handler
Parameters
- eventType: string
  Event type
- handler: EventHandler
  Event handler function
Returns void
- Defined in core/event-manager.ts:268

throttle

throttle(eventType: string, handler: EventHandler, delay?: number): void
Throttle event handler execution
Parameters
- eventType: string
  Event type
- handler: EventHandler
  Event handler function
- delay: number = 100
  Throttle delay in milliseconds
Returns void
- Defined in core/event-manager.ts:283

trigger

trigger(eventType: string, eventData?: any): boolean
Trigger a custom event
Parameters
- eventType: string
  Event type
- eventData: any = null
  Data to pass to event handlers
Returns boolean
- Defined in core/event-manager.ts:102

unbindAll

unbindAll(): void
Unbind all event handlers (both custom and DOM)

Returns void
- Defined in core/event-manager.ts:191

unbindDOM

unbindDOM(
    element: HTMLElement,
    eventType: string,
    handler: DOMEventHandler,
): void
Unbind a DOM event handler
Parameters
- element: HTMLElement
  DOM element
- eventType: string
  DOM event type
- handler: DOMEventHandler
  Original event handler function
Returns void
- Defined in core/event-manager.ts:176