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Class ArgdownTreeWalker<EventTypes>

Event emitter that visits every node in an Argdown Ast structure and emits events for every rule entered and exited and every token visited.

Type parameters

  • EventTypes: string | symbol

Hierarchy

  • EventEmitter
    • ArgdownTreeWalker

Index

Properties

Static prefixed

prefixed: string | boolean

Methods

addListener

  • addListener(event: EventTypes, fn: ListenerFn, context?: any): this
  • Parameters

    • event: EventTypes
    • fn: ListenerFn
    • Optional context: any

    Returns this

emit

  • emit(event: EventTypes, ...args: Array<any>): boolean
  • Calls each of the listeners registered for a given event.

    Parameters

    • event: EventTypes
    • Rest ...args: Array<any>

    Returns boolean

eventNames

  • eventNames(): Array<EventTypes>
  • Return an array listing the events for which the emitter has registered listeners.

    Returns Array<EventTypes>

listenerCount

  • listenerCount(event: EventTypes): number
  • Return the number of listeners listening to a given event.

    Parameters

    • event: EventTypes

    Returns number

listeners

  • listeners(event: EventTypes): Array<ListenerFn>
  • Return the listeners registered for a given event.

    Parameters

    • event: EventTypes

    Returns Array<ListenerFn>

off

  • off(event: EventTypes, fn?: ListenerFn, context?: any, once?: undefined | false | true): this
  • Parameters

    • event: EventTypes
    • Optional fn: ListenerFn
    • Optional context: any
    • Optional once: undefined | false | true

    Returns this

on

  • on(event: EventTypes, fn: ListenerFn, context?: any): this
  • Add a listener for a given event.

    Parameters

    • event: EventTypes
    • fn: ListenerFn
    • Optional context: any

    Returns this

once

  • once(event: EventTypes, fn: ListenerFn, context?: any): this
  • Add a one-time listener for a given event.

    Parameters

    • event: EventTypes
    • fn: ListenerFn
    • Optional context: any

    Returns this

removeAllListeners

  • Remove all listeners, or those of the specified event.

    Parameters

    Returns this

removeListener

  • removeListener(event: EventTypes, fn?: ListenerFn, context?: any, once?: undefined | false | true): this
  • Remove the listeners of a given event.

    Parameters

    • event: EventTypes
    • Optional fn: ListenerFn
    • Optional context: any
    • Optional once: undefined | false | true

    Returns this

walk

  • walk(request: IArgdownRequest, response: IArgdownResponse, logger: IArgdownLogger): void

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