water-management-system/frontend/node_modules/element-plus/lib/directives/mousewheel/index.js

Object.defineProperties(exports, {
	__esModule: { value: true },
	[Symbol.toStringTag]: { value: "Module" }
});
const require_runtime = require("../../_virtual/_rolldown/runtime.js");
let normalize_wheel_es = require("normalize-wheel-es");
normalize_wheel_es = require_runtime.__toESM(normalize_wheel_es);
//#region ../../packages/directives/mousewheel/index.ts
const SCOPE = "_Mousewheel";
const mousewheel = function(element, callback) {
	if (element && element.addEventListener) {
		removeWheelHandler(element);
		const fn = function(event) {
			const normalized = (0, normalize_wheel_es.default)(event);
			callback && Reflect.apply(callback, this, [event, normalized]);
		};
		element[SCOPE] = { wheelHandler: fn };
		element.addEventListener("wheel", fn, { passive: true });
	}
};
const removeWheelHandler = (element) => {
	if (element["_Mousewheel"]?.wheelHandler) {
		element.removeEventListener("wheel", element[SCOPE].wheelHandler);
		element[SCOPE] = null;
	}
};
const Mousewheel = {
	beforeMount(el, binding) {
		mousewheel(el, binding.value);
	},
	unmounted(el) {
		removeWheelHandler(el);
	},
	updated(el, binding) {
		if (binding.value !== binding.oldValue) mousewheel(el, binding.value);
	}
};
//#endregion
exports.SCOPE = SCOPE;
exports.default = Mousewheel;

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