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

WordPress higher-order components (HOCs).

{
  "version": 3,
  "sources": ["../../../src/hooks/use-disabled/index.ts"],
  "sourcesContent": ["/**\n * Internal dependencies\n */\nimport { debounce } from '../../utils/debounce';\nimport useRefEffect from '../use-ref-effect';\n\n/**\n * In some circumstances, such as block previews, all focusable DOM elements\n * (input fields, links, buttons, etc.) need to be disabled. This hook adds the\n * behavior to disable nested DOM elements to the returned ref.\n *\n * If you can, prefer the use of the inert HTML attribute.\n *\n * @param {Object}   config            Configuration object.\n * @param {boolean=} config.isDisabled Whether the element should be disabled.\n * @return {React.RefCallback<HTMLElement>} Element Ref.\n *\n * @example\n * ```js\n * import { useDisabled } from '@wordpress/compose';\n *\n * const DisabledExample = () => {\n * \tconst disabledRef = useDisabled();\n *\treturn (\n *\t\t<div ref={ disabledRef }>\n *\t\t\t<a href=\"#\">This link will have tabindex set to -1</a>\n *\t\t\t<input placeholder=\"This input will have the disabled attribute added to it.\" type=\"text\" />\n *\t\t</div>\n *\t);\n * };\n * ```\n */\nexport default function useDisabled( {\n\tisDisabled: isDisabledProp = false,\n} = {} ) {\n\treturn useRefEffect(\n\t\t( node ) => {\n\t\t\tif ( isDisabledProp ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst defaultView = node?.ownerDocument?.defaultView;\n\t\t\tif ( ! defaultView ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t/** A variable keeping track of the previous updates in order to restore them. */\n\t\t\tconst updates: Function[] = [];\n\t\t\tconst disable = () => {\n\t\t\t\tnode.childNodes.forEach( ( child ) => {\n\t\t\t\t\tif ( ! ( child instanceof defaultView.HTMLElement ) ) {\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\t\t\t\t\tif ( ! child.getAttribute( 'inert' ) ) {\n\t\t\t\t\t\tchild.setAttribute( 'inert', 'true' );\n\t\t\t\t\t\tupdates.push( () => {\n\t\t\t\t\t\t\tchild.removeAttribute( 'inert' );\n\t\t\t\t\t\t} );\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t};\n\n\t\t\t// Debounce re-disable since disabling process itself will incur\n\t\t\t// additional mutations which should be ignored.\n\t\t\tconst debouncedDisable = debounce( disable, 0, {\n\t\t\t\tleading: true,\n\t\t\t} );\n\t\t\tdisable();\n\n\t\t\t/** @type {MutationObserver | undefined} */\n\t\t\tconst observer = new window.MutationObserver( debouncedDisable );\n\t\t\tobserver.observe( node, {\n\t\t\t\tchildList: true,\n\t\t\t} );\n\n\t\t\treturn () => {\n\t\t\t\tif ( observer ) {\n\t\t\t\t\tobserver.disconnect();\n\t\t\t\t}\n\t\t\t\tdebouncedDisable.cancel();\n\t\t\t\tupdates.forEach( ( update ) => update() );\n\t\t\t};\n\t\t},\n\t\t[ isDisabledProp ]\n\t);\n}\n"],
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  "names": ["useRefEffect"]
}