@wordpress/block-editor
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{
"version": 3,
"sources": ["../../../../src/components/block-list/use-block-props/use-intersection-observer.js"],
"sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useRefEffect } from '@wordpress/compose';\nimport { useContext } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport { IntersectionObserver } from '../';\n\nexport function useIntersectionObserver() {\n\tconst observer = useContext( IntersectionObserver );\n\treturn useRefEffect(\n\t\t( node ) => {\n\t\t\tif ( observer ) {\n\t\t\t\tobserver.observe( node );\n\t\t\t\treturn () => {\n\t\t\t\t\tobserver.unobserve( node );\n\t\t\t\t};\n\t\t\t}\n\t\t},\n\t\t[ observer ]\n\t);\n}\n"],
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