InteractionsController

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The Interactions controller allows you to observe interactions with the map

Extended by

• FeltController

Events

onPointerClick()

onPointerClick(params: { handler: (event: MapInteractionEvent) => void; }): VoidFunction

Allows you to be notified when the user clicks on the map.

Use this to react to user clicks on the map, such as triggering custom actions or collecting interaction data.

Parameters

Parameter	Type
params	{ handler: (event: MapInteractionEvent) => void; }
params.handler	(event: MapInteractionEvent) => void

Returns

VoidFunction

A function to unsubscribe from the listener.

Example

const unsubscribe = felt.onPointerClick({
  handler: (event) => console.log(event.center, event.features),
});

// later on...
unsubscribe();

---

onPointerMove()

onPointerMove(params: { handler: (event: MapInteractionEvent) => void; }): VoidFunction

Allows you to be notified when the user moves the mouse over the map.

Use this to track mouse movement and detect features under the cursor, such as for hover effects or real-time data display.

Parameters

Parameter	Type	Description
params	{ handler: (event: MapInteractionEvent) => void; }	Params for the listener
params.handler	(event: MapInteractionEvent) => void	The handler function

Returns

VoidFunction

A function to unsubscribe from the listener.

Example

// Track mouse movement and features under cursor
const unsubscribe = felt.onPointerMove({
  handler: (event) => {
    console.log("Mouse position:", event.center);
    console.log("Features under cursor:", event.features);
  }
});

// later on...
unsubscribe();