43 lines
1.6 KiB
JavaScript
43 lines
1.6 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useWatch;
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var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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var _useLayoutEffect = _interopRequireDefault(require("rc-util/lib/hooks/useLayoutEffect"));
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var _util = require("../util");
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function useWatch(open, target, popup, onAlign, onScroll) {
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(0, _useLayoutEffect.default)(function () {
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if (open && target && popup) {
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var targetElement = target;
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var popupElement = popup;
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var targetScrollList = (0, _util.collectScroller)(targetElement);
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var popupScrollList = (0, _util.collectScroller)(popupElement);
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var win = (0, _util.getWin)(popupElement);
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var mergedList = new Set([win].concat((0, _toConsumableArray2.default)(targetScrollList), (0, _toConsumableArray2.default)(popupScrollList)));
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function notifyScroll() {
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onAlign();
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onScroll();
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}
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mergedList.forEach(function (scroller) {
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scroller.addEventListener('scroll', notifyScroll, {
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passive: true
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});
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});
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win.addEventListener('resize', notifyScroll, {
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passive: true
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});
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// First time always do align
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onAlign();
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return function () {
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mergedList.forEach(function (scroller) {
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scroller.removeEventListener('scroll', notifyScroll);
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win.removeEventListener('resize', notifyScroll);
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});
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};
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}
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}, [open, target, popup]);
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} |