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Even though only the most relevant methods are listed on this page, the full EventEmitter2 API is available on the grunt.event object. Event namespaces may be specified with the . (dot) separator, and namespace wildcards have been enabled.

Note that Grunt doesn't yet emit any events, but can still be useful in your own tasks.

grunt.event.on

Adds a listener to the end of the listeners array for the specified event.

grunt.event.on(event, listener)

grunt.event.once

Adds a one time listener for the event. The listener is invoked only the first time the event is fired, after which it is removed.

grunt.event.once(event, listener)

grunt.event.many

Adds a listener that will execute n times for the event before being removed.

grunt.event.many(event, timesToListen, listener)

grunt.event.off

Remove a listener from the listener array for the specified event.

grunt.event.off(event, listener)

grunt.event.removeAllListeners

Removes all listeners, or those of the specified event.

grunt.event.removeAllListeners([event])

grunt.event.emit

Execute each of the listeners that may be listening for the specified event name in order with the list of arguments.

grunt.event.emit(event, [arg1], [arg2], [...])