@wordpress/block-editor/build/components/block-popover/use-popover-scroll.js

Generic block editor.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _compose = require("@wordpress/compose");

/**
 * WordPress dependencies
 */

/**
 * Allow scrolling "through" popovers over the canvas. This is only called for
 * as long as the pointer is over a popover. Do not use React events because it
 * will bubble through portals.
 *
 * @param {Object} scrollableRef
 */
function usePopoverScroll(scrollableRef) {
  return (0, _compose.useRefEffect)(node => {
    if (!scrollableRef) {
      return;
    }

    function onWheel(event) {
      const {
        deltaX,
        deltaY
      } = event;
      scrollableRef.current.scrollBy(deltaX, deltaY);
    } // Tell the browser that we do not call event.preventDefault
    // See https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#improving_scrolling_performance_with_passive_listeners


    const options = {
      passive: true
    };
    node.addEventListener('wheel', onWheel, options);
    return () => {
      node.removeEventListener('wheel', onWheel, options);
    };
  }, [scrollableRef]);
}

var _default = usePopoverScroll;
exports.default = _default;
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