@wordpress/compose/build/hooks/use-focusable-iframe/index.cjs.map

WordPress higher-order components (HOCs).

{
  "version": 3,
  "sources": ["../../../src/hooks/use-focusable-iframe/index.ts"],
  "sourcesContent": ["/**\n * External dependencies\n */\nimport type { RefCallback } from 'react';\n\n/**\n * Internal dependencies\n */\nimport useRefEffect from '../use-ref-effect';\n\n/**\n * Dispatches a bubbling focus event when the iframe receives focus. Use\n * `onFocus` as usual on the iframe or a parent element.\n *\n * @return Ref to pass to the iframe.\n */\nexport default function useFocusableIframe(): RefCallback< HTMLIFrameElement > {\n\treturn useRefEffect( ( element ) => {\n\t\tconst { ownerDocument } = element;\n\t\tif ( ! ownerDocument ) {\n\t\t\treturn;\n\t\t}\n\t\tconst { defaultView } = ownerDocument;\n\t\tif ( ! defaultView ) {\n\t\t\treturn;\n\t\t}\n\n\t\t/**\n\t\t * Checks whether the iframe is the activeElement, inferring that it has\n\t\t * then received focus, and dispatches a focus event.\n\t\t */\n\t\tfunction checkFocus() {\n\t\t\tif ( ownerDocument && ownerDocument.activeElement === element ) {\n\t\t\t\t( element as HTMLElement ).focus();\n\t\t\t}\n\t\t}\n\n\t\tdefaultView.addEventListener( 'blur', checkFocus );\n\t\treturn () => {\n\t\t\tdefaultView.removeEventListener( 'blur', checkFocus );\n\t\t};\n\t}, [] );\n}\n"],
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  "names": ["useRefEffect"]
}