pygments.copy.js
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pygments.copy.js
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	/**
	* Adapted from https://www.mediawiki.org/wiki/MediaWiki:Gadget-site-tpl-copy.js
	* Original author: Krinkle
	*/

	// eslint-disable-next-line compat/compat
	const hasFeature = navigator.clipboard && 'writeText' in navigator.clipboard;
	if ( hasFeature ) {
	// Add type=button to avoid form submission in preview
	const $btn = $( '<button>' )
	.attr( 'type', 'button' )
	.text( mw.msg( 'syntaxhighlight-button-copy' ) )
	.on( 'click', function () {
	const btn = this;
	const wrapper = btn.closest( '.mw-highlight-copy' );
	const preNode = wrapper && wrapper.querySelector( 'pre' );
	const content = preNode && preNode.textContent.trim();
	try {
	navigator.clipboard.writeText( content );
	} catch ( e ) {
	return;
	}
	const prevLabel = btn.textContent;
	btn.textContent = mw.msg( 'syntaxhighlight-button-copied' );
	setTimeout( () => {
	btn.textContent = prevLabel;
	}, 5000 );
	} );

	mw.hook( 'wikipage.content' ).add( ( $content ) => {
	$content.find( '.mw-highlight-copy:not(.mw-highlight-copy--bound)' )
	.append( $btn.clone( true ) )
	.addClass( 'mw-highlight-copy--bound' );
	} );
	}