@wordpress/compose/build-module/hooks/use-copy-to-clipboard/index.mjs.map

WordPress higher-order components (HOCs).

{
  "version": 3,
  "sources": ["../../../src/hooks/use-copy-to-clipboard/index.ts"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useRef, useLayoutEffect } from '@wordpress/element';\nimport type { MutableRefObject, RefCallback } from 'react';\n\n/**\n * Internal dependencies\n */\nimport useRefEffect from '../use-ref-effect';\n\n/**\n * Copies text to the clipboard using the Clipboard API when available,\n * with a fallback for non-secure contexts (e.g. HTTP) and older browsers.\n *\n * @param text    The text to copy.\n * @param trigger The element that triggered the copy.\n * @return Resolves to true if successful, false otherwise.\n */\nexport async function copyToClipboard(\n\ttext: string,\n\ttrigger: Element | null\n): Promise< boolean > {\n\tif ( ! trigger ) {\n\t\treturn false;\n\t}\n\tconst { ownerDocument } = trigger;\n\tif ( ! ownerDocument ) {\n\t\treturn false;\n\t}\n\tconst { defaultView } = ownerDocument;\n\ttry {\n\t\tif ( defaultView?.navigator?.clipboard?.writeText ) {\n\t\t\tawait defaultView.navigator.clipboard.writeText( text );\n\t\t\treturn true;\n\t\t}\n\t\t// Fallback for non-secure contexts (HTTP) and older browsers.\n\t\tconst textarea = ownerDocument.createElement( 'textarea' );\n\t\ttextarea.value = text;\n\t\ttextarea.setAttribute( 'readonly', '' );\n\t\ttextarea.style.position = 'fixed';\n\t\ttextarea.style.left = '-9999px';\n\t\ttextarea.style.top = '-9999px';\n\t\townerDocument.body.appendChild( textarea );\n\t\ttextarea.select();\n\t\tconst success = ownerDocument.execCommand( 'copy' );\n\t\ttextarea.remove();\n\t\treturn success;\n\t} catch {\n\t\treturn false;\n\t}\n}\n\n/**\n * Clears the current selection and restores focus to the trigger element.\n *\n * @param trigger The element that triggered the copy.\n */\nexport function clearSelection( trigger: Element ): void {\n\tif ( 'focus' in trigger && typeof trigger.focus === 'function' ) {\n\t\ttrigger.focus();\n\t}\n\ttrigger.ownerDocument?.defaultView?.getSelection()?.removeAllRanges();\n}\n\n/**\n * @template T\n * @param    value\n * @return   A ref to assign to the target element.\n */\nfunction useUpdatedRef< T >( value: T ): MutableRefObject< T > {\n\tconst ref = useRef< T >( value );\n\tuseLayoutEffect( () => {\n\t\tref.current = value;\n\t}, [ value ] );\n\treturn ref;\n}\n\n/**\n * Copies the given text to the clipboard when the element is clicked.\n *\n * @template T\n * @param    text      The text to copy. Use a function if not\n *                     already available and expensive to compute.\n * @param    onSuccess Called when to text is copied.\n *\n * @return   A ref to assign to the target element.\n */\nexport default function useCopyToClipboard< T extends HTMLElement >(\n\ttext: string | ( () => string ),\n\tonSuccess?: () => void\n): RefCallback< T > {\n\tconst textRef = useUpdatedRef( text );\n\tconst onSuccessRef = useUpdatedRef( onSuccess );\n\treturn useRefEffect( ( node ) => {\n\t\t// Flag to prevent callbacks after unmount when the Promise resolves.\n\t\tlet isActive = true;\n\t\tconst handleClick = async () => {\n\t\t\tconst textToCopy =\n\t\t\t\ttypeof textRef.current === 'function'\n\t\t\t\t\t? textRef.current()\n\t\t\t\t\t: textRef.current || '';\n\t\t\tconst success = await copyToClipboard( textToCopy, node );\n\t\t\tif ( ! isActive ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif ( success ) {\n\t\t\t\tclearSelection( node );\n\t\t\t\tif ( onSuccessRef.current ) {\n\t\t\t\t\tonSuccessRef.current();\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t\tnode.addEventListener( 'click', handleClick );\n\t\treturn () => {\n\t\t\tisActive = false;\n\t\t\tnode.removeEventListener( 'click', handleClick );\n\t\t};\n\t}, [] );\n}\n"],
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