@react-aria/overlays/dist/useCloseOnScroll.main.js

Spectrum UI components in React

var $f2vao$react = require("react");


function $parcel$export(e, n, v, s) {
  Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
}

$parcel$export(module.exports, "onCloseMap", () => $9a8aa1b0b336ea3a$export$f6211563215e3b37);
$parcel$export(module.exports, "useCloseOnScroll", () => $9a8aa1b0b336ea3a$export$18fc8428861184da);
/*
 * Copyright 2020 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */ 
const $9a8aa1b0b336ea3a$export$f6211563215e3b37 = new WeakMap();
function $9a8aa1b0b336ea3a$export$18fc8428861184da(opts) {
    let { triggerRef: triggerRef, isOpen: isOpen, onClose: onClose } = opts;
    (0, $f2vao$react.useEffect)(()=>{
        if (!isOpen || onClose === null) return;
        let onScroll = (e)=>{
            // Ignore if scrolling an scrollable region outside the trigger's tree.
            let target = e.target;
            // window is not a Node and doesn't have contain, but window contains everything
            if (!triggerRef.current || target instanceof Node && !target.contains(triggerRef.current)) return;
            // Ignore scroll events on any input or textarea as the cursor position can cause it to scroll
            // such as in a combobox. Clicking the dropdown button places focus on the input, and if the
            // text inside the input extends beyond the 'end', then it will scroll so the cursor is visible at the end.
            if (e.target instanceof HTMLInputElement || e.target instanceof HTMLTextAreaElement) return;
            let onCloseHandler = onClose || $9a8aa1b0b336ea3a$export$f6211563215e3b37.get(triggerRef.current);
            if (onCloseHandler) onCloseHandler();
        };
        window.addEventListener('scroll', onScroll, true);
        return ()=>{
            window.removeEventListener('scroll', onScroll, true);
        };
    }, [
        isOpen,
        onClose,
        triggerRef
    ]);
}


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