User:Xover/EasyLinks.js

// Make sure the modules we need are loaded (will only load if not already)
mw.loader.using(['mediawiki.api', 'mediawiki.util'], () => {
	// Wait for the page to be parsed
	$(() => {
		// TODO: Check for special pages and abort or…
		// TODO: …only whitelist namespaces known to make sense.
		
		// Let's at least disable Special:-pages by default to start.
		if (mw.config.get('wgCanonicalNamespace') === 'Special') {
			return;
		}
		
		// And on the Main Page
		if (mw.config.get('wgIsMainPage')) {
			return;
		}
		
		// Disable completely on mobile (and desktop users with Minerva)
		if ($('body').hasClass('skin-minerva')) {
			return;
		}
		
		// If URL params include &diff= then this is a diff page, so add diffLink portlet
		if (mw.util.getParamValue('diff')) {
			let diffPortlet = mw.util.addPortletLink(
				'p-cactions', '#', 'Get diff link', 'ca-getdiffwl', 'Get a wikilink to this diff'
			); 
			$(diffPortlet).on('click', (e) => {
				e.preventDefault();
				doGetDiffWL();
			});
		}
		
		// Add permalink portlet unconditionally; if &oldid= is missing we use the
		// latest version of the page.
		let permalinkPortlet = mw.util.addPortletLink(
			'p-cactions', '#', 'Get permalink', 'ca-getpermalink', 'Get a permanent wikilink to this page'
		); 
		$(permalinkPortlet).on('click', (e) => {
			e.preventDefault();
			doGetPermaWL();
		});
		
		// Add section link and permalink links to all headings (except page title)
		$('.mw-heading').each((i, h) => {
			let headline = $(h).children('h2, h3, h4, h5, h6');
			let editsection = $(h).children('.mw-editsection');

			let openbracket = $('<span>[ </span>');
			let closebracket = $('<span> ]</span>');
			let divider = $('<span> | </span>');
			
			let wlspan = $('<a class="getwikilink" href="#">link</a>').on('click', (e) => {
				e.preventDefault();
				doGetSectionWL($(headline).attr('id'));
			});
			let permaspan = $('<a class="getpermalink" href="#">permalink</span>').on('click', (e) => {
				e.preventDefault();
				doGetPermaSectionWL($(headline).attr('id'));
			});
			let containerspan = $('<span class="mw-editsection getlinks"></span>');
			$(containerspan).append(openbracket, wlspan, divider, permaspan, closebracket);
			if ($(editsection).length > 0) {
				$(containerspan).insertAfter(editsection);
			} else {
				$(containerspan).insertAfter(headline);
			}
		});
	}); // END: $(document).ready()
}); // END: mw.loader.using()

// Common utility function to put the link(s) on the user's clipboard,
// and pop up a notification that it happened.
function copyAndNotify(description, data) {
		navigator.clipboard.writeText(data);
	    mw.notify(
	      description + ' was automatically copied to your clipboard.',
	      {title: 'Link copied', type: 'info', tag: 'EasyLinksCopied'}
	    );
} // END: copyAndNotify()

// Get the diff id from URL params and create a diff wikilink to that rev.
function doGetDiffWL() {
	const diff = mw.config.get('wgDiffNewId');
	let diffLink = '[[Special:Diff/' + diff + '|' + diff + ']]';
	
	copyAndNotify('The wikilink for this diff', diffLink);
} // END: doGetDiffWL()

// Get the old rev id from URL params, if present, or the latest rev otherwise.
function doGetPermaWL() {
	let oldid;
	let kind = '';
	if (mw.util.getParamValue('oldid')) {
	  oldid = mw.util.getParamValue('oldid');
	  kind = 'this';
	} else {
	  oldid = mw.config.get('wgCurRevisionId');
	  kind = 'the latest';
	}
	let oldidLink = '[[Special:PermanentLink/' + oldid + '|' + oldid + ']]';
	
	copyAndNotify('A permanent wikilink to ' + kind + ' revision', oldidLink);
} // END: doGetPermaWL()

const aliases = {
	'Wikisource:Bot_requests': 'WS:BR',
	'Wikisource:Proposed_deletions': 'WS:PD',
	'Wikisource:Copyright_discussions': 'WS:CV',
	'Wikisource:Scriptorium': 'WS:S',
	'Wikisource:Scriptorium/Help': 'WS:S/H',
};

// Creare a wikilink to a section, irrespective of namespace.
function doGetSectionWL(headlineid) {
	let h = $('#' + $.escapeSelector(headlineid));
	let title = $(h).text();
	let page = mw.config.get('wgPageName');

	const alias = aliases[page];
	if (alias) {
		title = alias + '#' + title;
	}

	let sectionLink = '[[' + page + '#' + headlineid + '|' + title + ']]';
	
	copyAndNotify(
	  'A wikilink to this section',
	  sectionLink
	);
} // END: doGetSectionWL()

// Create a permalink to a specific section.
function doGetPermaSectionWL(headlineid) {
	let h = $('#' + $.escapeSelector(headlineid));
	let title = $(h).text();
	let oldid;
	
	// If url contains &oldid= then this is a specific revision of the page,
	// otherwise grab the latest revision and use that.
	let kind = '';
	if (mw.util.getParamValue('oldid')) {
	  oldid = mw.util.getParamValue('oldid');
	  kind = 'this';
	} else {
	  oldid = mw.config.get('wgCurRevisionId');
	  kind = 'the latest';
	}

	const alias = aliases[mw.config.get('wgPageName')];
	if (alias) {
		title = alias + '#' + title;
	}

	let permaSectionLink = '[[Special:PermanentLink/' + oldid + '#' + headlineid + '|' + title + ']]';
	
	copyAndNotify(
	  'A wikilink to this section at ' + kind + ' revision',
	  permaSectionLink
	);
} // END: doGetPermaSectionWL()