@wordpress/block-library/build-module/navigation-link/shared/use-is-dragging-within.mjs.map

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../../src/navigation-link/shared/use-is-dragging-within.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useState, useEffect } from '@wordpress/element';\n\n/**\n * A React hook to determine if it's dragging within the target element.\n *\n * @typedef {import('@wordpress/element').RefObject} RefObject\n *\n * @param {RefObject<HTMLElement>} elementRef The target elementRef object.\n *\n * @return {boolean} Is dragging within the target element.\n */\nexport const useIsDraggingWithin = ( elementRef ) => {\n\tconst [ isDraggingWithin, setIsDraggingWithin ] = useState( false );\n\n\tuseEffect( () => {\n\t\tconst { ownerDocument } = elementRef.current;\n\n\t\tfunction handleDragStart( event ) {\n\t\t\t// Check the first time when the dragging starts.\n\t\t\thandleDragEnter( event );\n\t\t}\n\n\t\t// Set to false whenever the user cancel the drag event by either releasing the mouse or press Escape.\n\t\tfunction handleDragEnd() {\n\t\t\tsetIsDraggingWithin( false );\n\t\t}\n\n\t\tfunction handleDragEnter( event ) {\n\t\t\t// Check if the current target is inside the item element.\n\t\t\tif ( elementRef.current.contains( event.target ) ) {\n\t\t\t\tsetIsDraggingWithin( true );\n\t\t\t} else {\n\t\t\t\tsetIsDraggingWithin( false );\n\t\t\t}\n\t\t}\n\n\t\t// Bind these events to the document to catch all drag events.\n\t\t// Ideally, we can also use `event.relatedTarget`, but sadly that\n\t\t// doesn't work in Safari.\n\t\townerDocument.addEventListener( 'dragstart', handleDragStart );\n\t\townerDocument.addEventListener( 'dragend', handleDragEnd );\n\t\townerDocument.addEventListener( 'dragenter', handleDragEnter );\n\n\t\treturn () => {\n\t\t\townerDocument.removeEventListener( 'dragstart', handleDragStart );\n\t\t\townerDocument.removeEventListener( 'dragend', handleDragEnd );\n\t\t\townerDocument.removeEventListener( 'dragenter', handleDragEnter );\n\t\t};\n\t}, [ elementRef ] );\n\n\treturn isDraggingWithin;\n};\n"],
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}