UNPKG

react-native-web-internals

Version:

React Native for Web

78 lines (77 loc) 3.29 kB
import { getModality } from "../modality/index.native.js"; import useEvent from "../useEvent/index.native.js"; import useLayoutEffect from "../useLayoutEffect/index.native.js"; var emptyObject = {}, opts = { passive: !0 }, lockEventType = "react-gui:hover:lock", unlockEventType = "react-gui:hover:unlock", supportsPointerEvent = function () { return typeof window < "u" && window.PointerEvent != null; }; function dispatchCustomEvent(target, type, payload) { var event = document.createEvent("CustomEvent"), { bubbles = !0, cancelable = !0, detail } = payload || emptyObject; event.initCustomEvent(type, bubbles, cancelable, detail), target.dispatchEvent(event); } function getPointerType(event) { var { pointerType } = event; return pointerType ?? getModality(); } function useHover(targetRef, config) { var { contain, disabled, onHoverStart, onHoverChange, onHoverUpdate, onHoverEnd } = config, canUsePE = supportsPointerEvent(), addMoveListener = useEvent(canUsePE ? "pointermove" : "mousemove", opts), addEnterListener = useEvent(canUsePE ? "pointerenter" : "mouseenter", opts), addLeaveListener = useEvent(canUsePE ? "pointerleave" : "mouseleave", opts), addLockListener = useEvent(lockEventType, opts), addUnlockListener = useEvent(unlockEventType, opts); useLayoutEffect(function () { var target = targetRef.current; if (target !== null) { var hoverEnd = function (e) { onHoverEnd?.(e), onHoverChange?.(!1), addMoveListener(target, null), addLeaveListener(target, null); }, leaveListener = function (e) { var target2 = targetRef.current; target2 != null && getPointerType(e) !== "touch" && (contain && dispatchCustomEvent(target2, unlockEventType), hoverEnd(e)); }, moveListener = function (e) { getPointerType(e) !== "touch" && onHoverUpdate != null && (e.x == null && (e.x = e.clientX), e.y == null && (e.y = e.clientY), onHoverUpdate(e)); }, hoverStart = function (e) { onHoverStart?.(e), onHoverChange?.(!0), onHoverUpdate != null && addMoveListener(target, disabled ? null : moveListener), addLeaveListener(target, disabled ? null : leaveListener); }, enterListener = function (e) { var target2 = targetRef.current; if (target2 != null && getPointerType(e) !== "touch") { contain && dispatchCustomEvent(target2, lockEventType), hoverStart(e); var lockListener = function (lockEvent) { lockEvent.target !== target2 && hoverEnd(e); }, unlockListener = function (lockEvent) { lockEvent.target !== target2 && hoverStart(e); }; addLockListener(target2, disabled ? null : lockListener), addUnlockListener(target2, disabled ? null : unlockListener); } }; addEnterListener(target, disabled ? null : enterListener); } }, [addEnterListener, addMoveListener, addLeaveListener, addLockListener, addUnlockListener, contain, disabled, onHoverStart, onHoverChange, onHoverUpdate, onHoverEnd, targetRef]); } export { useHover as default }; //# sourceMappingURL=index.native.js.map