mw.loader.using(['mediawiki.util'], function () {
$(document).ready(function () {
const DEBUG = false;
function debug(...args) {
if (DEBUG) console.log(...args);
}
debug("Script started");
// Check if we're on the correct page and action
if ((mw.config.get('wgNamespaceNumber') !== 0 && mw.config.get('wgPageName') !== 'User:Polygnotus/dupreftest') || mw.config.get('wgAction') !== 'view') {
debug("Not the correct page or action, script terminated");
return;
}
debug("Page title:", document.title);
debug("URL:", window.location.href);
// Find the references section
const referencesHeader = document.querySelector("h2#References");
if (!referencesHeader) {
debug("References heading not found, script terminated");
return;
}
const containerDiv = referencesHeader.closest("div");
if (!containerDiv) {
debug("Container div not found, script terminated");
return;
}
const reflistDiv = findNextReflistDiv(containerDiv);
if (!reflistDiv) {
debug("Reflist div not found, script terminated");
return;
}
const referencesList = reflistDiv.querySelector('ol.references');
if (!referencesList) {
debug("ol.references not found within reflist div");
return;
}
// Add styles
addStyles();
// Main function to check for duplicate references
function checkDuplicateReferenceLinks() {
debug("Checking for duplicate reference links");
const duplicateInfo = getDuplicateInfo();
if (duplicateInfo.length > 0) {
debug("Duplicates found, creating collapsible table");
if (document.querySelector('table.box-Duplicated_citations') === null) {
addTemplateLink();
}
const table = createCollapsibleTable(duplicateInfo);
containerDiv.after(table);
setupCollapsibleTable(table);
} else {
debug("No duplicates found");
}
}
// Helper functions
function findNextReflistDiv(element) {
let nextElement = element.nextElementSibling;
while (nextElement) {
if (nextElement.tagName.toLowerCase() === 'div' &&
(nextElement.classList.contains('reflist') || nextElement.classList.contains('mw-references-wrap'))) {
return nextElement;
}
nextElement = nextElement.nextElementSibling;
}
return null;
}
function addStyles() {
const style = document.createElement('style');
style.textContent = `
li:target { border: 1px dotted red; padding: 2px; background-color: #ffcccc !important; }
.duplicate-citation-highlight { background-color: #e1eeff; }
.duplicate-citation-hover { background-color: #cce0ff; border: 1px dotted blue; }
.duplicate-citation-clicked { border: 1px dotted red; padding: 2px; background-color: #ffe6e6; }
.mw-collapsible-toggle { font-weight: normal; float: right; }
.duplicate-references-table { width: 100%; }
@media only screen and (max-width: 768px) {
.duplicate-references-table { display: none; }
}
`;
document.head.appendChild(style);
}
function getDuplicateInfo() {
debug("Getting duplicate info");
const referenceItems = referencesList.children;
debug("Number of reference items:", referenceItems.length);
const urlMap = new Map();
const duplicates = [];
let refNumber = 0;
for (let item of referenceItems) {
if (item.tagName.toLowerCase() === 'li') {
refNumber++;
const refId = item.id;
debug(`Processing reference item ${refNumber} (${refId})`);
const span = item.querySelector('span.reference-text');
if (!span) {
debug(` No reference-text span found in item ${refNumber}`);
continue;
}
const links = span.querySelectorAll('a');
debug(` Number of links in this span: ${links.length}`);
let validLink = Array.from(links).find(link => {
const url = link.href;
const linkText = link.textContent.trim();
return linkText !== "Archived" &&
(!url.includes("wikipedia.org/wiki/") || url.includes("Special:BookSources")) &&
!url.includes("_(identifier)");
});
if (validLink) {
const url = validLink.href;
if (urlMap.has(url)) {
urlMap.get(url).push({id: refId, number: refNumber});
debug(` Duplicate found for URL: ${url}`);
} else {
urlMap.set(url, [{id: refId, number: refNumber}]);
debug(` New URL added to map: ${url}`);
}
} else {
debug(` No valid link found in this item`);
}
}
}
urlMap.forEach((refs, url) => {
if (refs.length > 1) {
duplicates.push({ url, refs });
}
});
debug("Number of duplicate sets found:", duplicates.length);
debug("Duplicate sets:", duplicates);
return duplicates;
}
function createCollapsibleTable(duplicateInfo) {
const table = document.createElement('table');
table.className = 'wikitable mw-collapsible duplicate-references-table';
table.setAttribute('role', 'presentation');
const tbody = document.createElement('tbody');
table.appendChild(tbody);
const headerRow = document.createElement('tr');
const headerCell = document.createElement('td');
headerCell.innerHTML = '<strong>Duplicate References</strong>';
const toggleSpan = document.createElement('span');
toggleSpan.className = 'mw-collapsible-toggle';
toggleSpan.innerHTML = '[<a href="#" class="mw-collapsible-text">hide</a>]';
headerCell.appendChild(toggleSpan);
headerRow.appendChild(headerCell);
tbody.appendChild(headerRow);
duplicateInfo.forEach(({ url, refs }) => {
const row = document.createElement('tr');
const cell = document.createElement('td');
let urlLink = document.createElement('a');
urlLink.href = url;
urlLink.textContent = url;
urlLink.target = "_blank";
urlLink.rel = "noopener noreferrer";
cell.appendChild(urlLink);
cell.appendChild(document.createTextNode(' in refs: '));
refs.forEach((ref, index) => {
let link = document.createElement('a');
link.href = `#${ref.id}`;
link.textContent = ref.number;
cell.appendChild(link);
link.addEventListener('mouseover', () => highlightCitations(refs, ref.id));
link.addEventListener('mouseout', () => removeCitationHighlight(refs));
link.addEventListener('click', () => clickCitation(refs));
if (index < refs.length - 1) {
cell.appendChild(document.createTextNode(', '));
}
});
row.appendChild(cell);
tbody.appendChild(row);
});
return table;
}
function highlightCitations(refs, currentId) {
refs.forEach(r => {
const citationElement = document.getElementById(r.id);
if (citationElement) {
if (r.id === currentId) {
citationElement.classList.add('duplicate-citation-hover');
} else {
citationElement.classList.add('duplicate-citation-highlight');
}
}
});
}
function removeCitationHighlight(refs) {
refs.forEach(r => {
const citationElement = document.getElementById(r.id);
if (citationElement) {
citationElement.classList.remove('duplicate-citation-hover');
citationElement.classList.remove('duplicate-citation-highlight');
}
});
}
function clickCitation(refs) {
document.querySelectorAll('.duplicate-citation-clicked').forEach(el => {
el.classList.remove('duplicate-citation-clicked');
});
refs.forEach(r => {
const citationElement = document.getElementById(r.id);
if (citationElement) {
citationElement.classList.add('duplicate-citation-clicked');
}
});
}
function setupCollapsibleTable(table) {
const toggleLink = table.querySelector('.mw-collapsible-toggle a');
const tableBody = $(table).find('tr:not(:first-child)');
const storageKey = 'duplicateReferencesTableState';
function setTableState(isCollapsed) {
if (isCollapsed) {
tableBody.hide();
toggleLink.textContent = 'show';
} else {
tableBody.show();
toggleLink.textContent = 'hide';
}
localStorage.setItem(storageKey, isCollapsed);
}
const initialState = localStorage.getItem(storageKey) === 'true';
setTableState(initialState);
toggleLink.addEventListener('click', function(e) {
e.preventDefault();
const isCurrentlyCollapsed = tableBody.is(':hidden');
setTableState(!isCurrentlyCollapsed);
});
}
function addTemplateLink() {
const editSections = containerDiv.querySelectorAll('span.mw-editsection');
editSections.forEach(editSection => {
let spanBefore = document.createElement('span');
spanBefore.className = 'mw-editsection-bracket';
spanBefore.textContent = '[';
let addTemplateLink = document.createElement('a');
addTemplateLink.textContent = ' add {{duplicated citations}} ';
addTemplateLink.href = '#';
addTemplateLink.addEventListener('click', function(e) {
e.preventDefault();
addDuplicateCitationsTemplate();
});
let spanAfter = document.createElement('span');
spanAfter.className = 'mw-editsection-bracket';
spanAfter.textContent = ']';
editSection.appendChild(spanBefore);
editSection.appendChild(addTemplateLink);
editSection.appendChild(spanAfter);
});
}
function addDuplicateCitationsTemplate() {
debug("Adding duplicate citations template");
var api = new mw.Api();
var pageTitle = mw.config.get('wgPageName');
let duplicateInfo = getDuplicateInfo();
api.get({
action: 'query',
prop: 'revisions',
titles: pageTitle,
rvprop: 'content',
rvslots: 'main',
formatversion: 2
}).then(function(data) {
var page = data.query.pages[0];
var content = page.revisions[0].slots.main.content;
const templatesToCheck = [
'{{short description',
'{{DISPLAYTITLE',
'{{Lowercase title',
'{{Italic title',
'{{about',
'{{redirect'
];
let insertPosition = 0;
let lines = content.split('\n');
for (let i = 0; i < lines.length; i++) {
let line = lines[i].trim().toLowerCase();
if (templatesToCheck.some(template => line.startsWith(template.toLowerCase()))) {
insertPosition = i + 1;
} else if (line && !line.startsWith('{{') && !line.startsWith('__')) {
break;
}
}
let reason = duplicateInfo.map(info =>
`${info.url} (refs: ${info.refs.map(r => r.number).join(', ')})`
).join('; ');
const date = new Date();
const currentDate = `${date.toLocaleString('en-US', { month: 'long' })} ${date.getFullYear()}`;
lines.splice(insertPosition, 0, `{{Duplicate citations|reason=${reason}|date=${currentDate}}}`);
var newContent = lines.join('\n');
let summary = `+{{Duplicate citations|reason=${reason}|date=${currentDate}}}`;
return api.postWithToken('csrf', {
action: 'edit',
title: pageTitle,
text: newContent,
summary: summary
});
}).then(function() {
mw.notify('Successfully added the Duplicate citations template!');
location.reload();
}).catch(function(error) {
console.error('Error:', error);
mw.notify('Failed to add the template. See console for details.', {type: 'error'});
});
}
// Run the main function
checkDuplicateReferenceLinks();
debug("Script execution completed");
});
});
