Component

Abstract class which implements Node.js EventEmitter class, but provides only on, once, emit functions.

constructor(bot)

added in 1.0.0

• bot - <Object>. Telegraf instance.

methods

on(event, callback)

added in 1.0.0

• event - <string>. Event name.
• callback - <Function>. Callback function.

once(event, callback)

added in 1.0.0

• event - <string>. Event name.
• callback - <Function>. Callback function

emit(event, [...args])

added in 1.0.0

• event - <string>. Event name.
• args - <Array>. Emit arguments, this args will comes to callback function for on and once event subscription.

cleanup([event])

added in 1.0.0

Cleanup event or all events.

• event - <Object>. Event class. which has been remove listeners. If event parameter is not provided - function remove all listeners from all events.