@wordpress/block-editor/build/hooks/cross-origin-isolation.cjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../src/hooks/cross-origin-isolation.js"],
  "sourcesContent": ["/**\n * Adds crossorigin=\"anonymous\" to an element if missing.\n *\n * @param {Element} el The element to modify.\n */\nfunction addCrossOriginAttribute( el ) {\n\tif ( ! el.hasAttribute( 'crossorigin' ) ) {\n\t\tel.setAttribute( 'crossorigin', 'anonymous' );\n\t}\n}\n\n// Only add the mutation observer if the site is cross-origin isolated.\nif ( window.crossOriginIsolated ) {\n\t/*\n\t * Detects dynamically added DOM nodes that are missing the `crossorigin` attribute.\n\t */\n\tconst observer = new window.MutationObserver( ( mutations ) => {\n\t\tmutations.forEach( ( mutation ) => {\n\t\t\t[ mutation.addedNodes, mutation.target ].forEach( ( value ) => {\n\t\t\t\tconst nodes =\n\t\t\t\t\tvalue instanceof window.NodeList ? value : [ value ];\n\t\t\t\tnodes.forEach( ( node ) => {\n\t\t\t\t\tconst el = node;\n\n\t\t\t\t\tif ( ! el.querySelectorAll ) {\n\t\t\t\t\t\t// Most likely a text node.\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\n\t\t\t\t\tel.querySelectorAll( 'source,script,video,link' ).forEach(\n\t\t\t\t\t\t( v ) => {\n\t\t\t\t\t\t\taddCrossOriginAttribute( v );\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\n\t\t\t\t\tif (\n\t\t\t\t\t\t[ 'SOURCE', 'SCRIPT', 'VIDEO', 'LINK' ].includes(\n\t\t\t\t\t\t\tel.nodeName\n\t\t\t\t\t\t)\n\t\t\t\t\t) {\n\t\t\t\t\t\taddCrossOriginAttribute( el );\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t} );\n\t\t} );\n\t} );\n\n\t/**\n\t * Start observing the document body, waiting for it to be available if needed.\n\t */\n\tfunction startObservingBody() {\n\t\tif ( document.body ) {\n\t\t\tobserver.observe( document.body, {\n\t\t\t\tchildList: true,\n\t\t\t\tattributes: true,\n\t\t\t\tsubtree: true,\n\t\t\t} );\n\t\t} else if ( document.readyState === 'loading' ) {\n\t\t\t// Wait for DOM to be ready.\n\t\t\tdocument.addEventListener( 'DOMContentLoaded', () => {\n\t\t\t\tif ( document.body ) {\n\t\t\t\t\tobserver.observe( document.body, {\n\t\t\t\t\t\tchildList: true,\n\t\t\t\t\t\tattributes: true,\n\t\t\t\t\t\tsubtree: true,\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t} );\n\t\t}\n\t}\n\n\tstartObservingBody();\n}\n"],
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}