mitt

Tiny (~200b) functional event emitter / pubsub.

It's tiny: no dependencies and only 190 bytes when gzipped (250b without).

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Installation

npm install --save mitt

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API

mitt

Mitt: Tiny (~200b) functional event emitter / pubsub.

Returns Mitt

on

Register an event handler for the given type.

Parameters

• type String Type of event to listen for, or "*" for all events
• handler Function Function to call in response to the given event

off

Remove an event handler for the given type.

Parameters

• type String Type of event to unregister handler from, or "*"
• handler Function Handler function to remove

emit

Invoke all handlers for the given type. If present, "*" handlers are invoked prior to type-matched handlers.

Parameters

• type String The event type to invoke
• event [Any] An event object, passed to each handler