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event-info.ts
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/
event-info.ts
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import { EventInfo } from "./types"
import { isPrimaryPointer } from "./utils/is-primary-pointer"
export type EventListenerWithPointInfo = (
e: PointerEvent,
info: EventInfo
) => void
export function extractEventInfo(
event: PointerEvent,
pointType: "page" | "client" = "page"
): EventInfo {
return {
point: {
x: event[pointType + "X"],
y: event[pointType + "Y"],
},
}
}
export function getViewportPointFromEvent(event: PointerEvent) {
return extractEventInfo(event, "client")
}
export const wrapHandler = (
handler: EventListenerWithPointInfo,
shouldFilterPrimaryPointer = false
): EventListener => {
const listener: EventListener = (event: any) =>
handler(event, extractEventInfo(event))
return shouldFilterPrimaryPointer
? (event: PointerEvent) => isPrimaryPointer(event) && listener(event)
: listener
}