47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var normalizeWheel = require('normalize-wheel-es');
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function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
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var normalizeWheel__default = /*#__PURE__*/_interopDefaultLegacy(normalizeWheel);
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const SCOPE = "_Mousewheel";
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const mousewheel = function(element, callback) {
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if (element && element.addEventListener) {
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removeWheelHandler(element);
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const fn = function(event) {
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const normalized = normalizeWheel__default["default"](event);
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callback && Reflect.apply(callback, this, [event, normalized]);
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};
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element[SCOPE] = { wheelHandler: fn };
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element.addEventListener("wheel", fn, { passive: true });
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}
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};
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const removeWheelHandler = (element) => {
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var _a;
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if ((_a = element[SCOPE]) == null ? void 0 : _a.wheelHandler) {
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element.removeEventListener("wheel", element[SCOPE].wheelHandler);
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element[SCOPE] = null;
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}
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};
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const Mousewheel = {
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beforeMount(el, binding) {
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mousewheel(el, binding.value);
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},
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unmounted(el) {
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removeWheelHandler(el);
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},
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updated(el, binding) {
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if (binding.value !== binding.oldValue) {
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mousewheel(el, binding.value);
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}
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}
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};
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exports.SCOPE = SCOPE;
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exports["default"] = Mousewheel;
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//# sourceMappingURL=index.js.map
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