User:Polygnotus/Scripts/Filter2.js
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Documentation for this user script can be added at User:Polygnotus/Scripts/Filter2.
// <nowiki>
// Wikipedia History and Contributions Filter
// Filters by namespace, tags, and edit summary with persistent state
// Add to Special:MyPage/common.js
(function() {
'use strict';
const CONFIG = {
STORAGE_KEY: 'wikiFilterState',
DEBOUNCE_TIME: 300,
NAMESPACES: {
'-2': 'Media',
'-1': 'Special',
'0': 'Main',
'1': 'Talk',
'2': 'User',
'3': 'User talk',
'4': 'Wikipedia',
'5': 'Wikipedia talk',
'6': 'File',
'7': 'File talk',
'8': 'MediaWiki',
'9': 'MediaWiki talk',
'10': 'Template',
'11': 'Template talk',
'12': 'Help',
'13': 'Help talk',
'14': 'Category',
'15': 'Category talk',
'100': 'Portal',
'101': 'Portal talk',
'108': 'Book',
'109': 'Book talk',
'118': 'Draft',
'119': 'Draft talk',
'710': 'TimedText',
'711': 'TimedText talk',
'828': 'Module',
'829': 'Module talk',
'2300': 'Gadget',
'2301': 'Gadget talk',
'2302': 'Gadget definition',
'2303': 'Gadget definition talk'
}
};
// Detect page type
const isContribPage = document.querySelector('.mw-contributions-list') !== null;
const isHistoryPage = document.querySelector('#pagehistory') !== null;
if (!isContribPage && !isHistoryPage) return;
let items = [];
let namespaces = new Set();
let tags = new Set();
// Utility functions
function debounce(func, wait) {
let timeout;
return function(...args) {
clearTimeout(timeout);
timeout = setTimeout(() => func.apply(this, args), wait);
};
}
function loadState() {
try {
return JSON.parse(localStorage.getItem(CONFIG.STORAGE_KEY)) || {};
} catch {
return {};
}
}
function saveState(state) {
localStorage.setItem(CONFIG.STORAGE_KEY, JSON.stringify(state));
}
function getNamespace(title) {
const colonIndex = title.indexOf(':');
if (colonIndex === -1) return 'Main';
const prefix = title.substring(0, colonIndex);
// Check if it's a timestamp (hh:mm format)
if (/^\d{1,2}:\d{2}$/.test(prefix)) return 'Main';
// Check against known namespaces
const knownNamespaces = new Set(Object.values(CONFIG.NAMESPACES));
return knownNamespaces.has(prefix) ? prefix : 'Main';
}
function getItemData(item) {
let title = '';
let summary = '';
let itemTags = [];
if (isContribPage) {
const titleElem = item.querySelector('.mw-contributions-title');
title = titleElem ? titleElem.textContent.trim() : '';
const summaryElem = item.querySelector('.comment');
summary = summaryElem ? summaryElem.textContent.trim() : '';
itemTags = Array.from(item.querySelectorAll('.mw-tag-marker'))
.map(tag => tag.textContent.replace(/[[\]]/g, '').trim());
} else {
const link = item.querySelector('a.mw-changeslist-title');
title = link ? link.textContent.trim() : '';
const summaryElem = item.querySelector('.comment');
summary = summaryElem ? summaryElem.textContent.trim() : '';
itemTags = Array.from(item.querySelectorAll('.mw-tag-marker'))
.map(tag => tag.textContent.replace(/[[\]]/g, '').trim());
}
const namespace = getNamespace(title);
return { title, summary, tags: itemTags, namespace };
}
function initializeData() {
const selector = isContribPage ? '.mw-contributions-list li' : '#pagehistory li';
items = Array.from(document.querySelectorAll(selector));
items.forEach(item => {
const data = getItemData(item);
namespaces.add(data.namespace);
data.tags.forEach(tag => tags.add(tag));
item._filterData = data;
});
}
function addStyles() {
const style = document.createElement('style');
style.textContent = `
.wiki-filter-container {
margin: 1em 0;
background: #f8f9fa;
border: 1px solid #a2a9b1;
border-radius: 2px;
}
.wiki-filter-section {
border-bottom: 1px solid #e3e6e8;
}
.wiki-filter-section:last-child {
border-bottom: none;
}
.wiki-filter-header {
padding: 0.6em 0.8em;
background: #eaecf0;
cursor: pointer;
user-select: none;
display: flex;
align-items: center;
font-weight: 500;
}
.wiki-filter-header:hover {
background: #e3e6e8;
}
.wiki-filter-toggle {
margin-right: 0.5em;
transition: transform 0.2s;
display: inline-block;
}
.wiki-filter-enable {
cursor: pointer;
margin: 0;
}
.wiki-filter-content {
padding: 0.8em;
}
.wiki-filter-checkboxes {
display: flex;
flex-wrap: wrap;
gap: 0.8em;
margin: 0.5em 0;
}
.wiki-filter-checkbox {
white-space: nowrap;
}
.wiki-filter-checkbox input {
margin-right: 0.3em;
}
.wiki-filter-buttons {
display: flex;
gap: 0.5em;
margin-bottom: 0.8em;
}
.wiki-filter-btn {
padding: 0.4em 0.8em;
background: #fff;
border: 1px solid #a2a9b1;
border-radius: 2px;
cursor: pointer;
font-size: 0.9em;
}
.wiki-filter-btn:hover {
background: #f8f9fa;
}
.wiki-filter-input {
width: 100%;
padding: 0.5em;
border: 1px solid #a2a9b1;
border-radius: 2px;
font-size: 0.95em;
box-sizing: border-box;
}
.wiki-filter-regex-option {
margin-top: 0.5em;
font-size: 0.9em;
}
.wiki-filter-regex-option input {
margin-right: 0.3em;
}
.wiki-filter-stats {
margin-top: 0.8em;
padding: 0.5em;
background: #fff;
border: 1px solid #e3e6e8;
border-radius: 2px;
font-size: 0.9em;
color: #54595d;
}
`;
document.head.appendChild(style);
}
function createCollapsibleSection(title, key) {
const state = loadState();
const expanded = state[key] !== false; // Default to expanded
const section = document.createElement('div');
section.className = 'wiki-filter-section';
const header = document.createElement('div');
header.className = 'wiki-filter-header';
const toggle = document.createElement('span');
toggle.className = 'wiki-filter-toggle';
toggle.textContent = '▼';
const enableCheckbox = document.createElement('input');
enableCheckbox.type = 'checkbox';
enableCheckbox.className = 'wiki-filter-enable';
enableCheckbox.checked = state[key + 'Enabled'] !== false;
enableCheckbox.addEventListener('change', (e) => {
e.stopPropagation();
const currentState = loadState();
currentState[key + 'Enabled'] = enableCheckbox.checked;
saveState(currentState);
applyFilters();
});
const heading = document.createElement('span');
heading.textContent = title;
heading.style.marginLeft = '0.5em';
header.appendChild(toggle);
header.appendChild(enableCheckbox);
header.appendChild(heading);
const content = document.createElement('div');
content.className = 'wiki-filter-content';
section.appendChild(header);
section.appendChild(content);
function setExpanded(exp) {
toggle.style.transform = exp ? '' : 'rotate(-90deg)';
content.style.display = exp ? '' : 'none';
}
header.addEventListener('click', (e) => {
if (e.target === enableCheckbox) return;
const newState = content.style.display === 'none';
setExpanded(newState);
const currentState = loadState();
currentState[key] = newState;
saveState(currentState);
});
setExpanded(expanded);
return { section, content, enableCheckbox };
}
function createButtons(parent, checkboxSelector) {
const container = document.createElement('div');
container.className = 'wiki-filter-buttons';
const selectAll = document.createElement('button');
selectAll.type = 'button';
selectAll.textContent = 'Select all';
selectAll.className = 'wiki-filter-btn';
selectAll.addEventListener('click', (e) => {
e.preventDefault();
parent.querySelectorAll(checkboxSelector).forEach(cb => cb.checked = true);
applyFilters();
});
const selectNone = document.createElement('button');
selectNone.type = 'button';
selectNone.textContent = 'Select none';
selectNone.className = 'wiki-filter-btn';
selectNone.addEventListener('click', (e) => {
e.preventDefault();
parent.querySelectorAll(checkboxSelector).forEach(cb => cb.checked = false);
applyFilters();
});
container.appendChild(selectAll);
container.appendChild(selectNone);
return container;
}
function createNamespaceSection() {
const { section, content } = createCollapsibleSection('Filter by namespace', 'nsExpanded');
const state = loadState();
const saved = state.namespaces || [];
const checkboxContainer = document.createElement('div');
checkboxContainer.className = 'wiki-filter-checkboxes';
const sortedNs = Array.from(namespaces).sort((a, b) =>
a === 'Main' ? -1 : b === 'Main' ? 1 : a.localeCompare(b)
);
sortedNs.forEach(ns => {
const label = document.createElement('label');
label.className = 'wiki-filter-checkbox';
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.value = ns;
checkbox.checked = saved.length === 0 || saved.includes(ns);
checkbox.addEventListener('change', () => {
saveFiltersState();
applyFilters();
});
label.appendChild(checkbox);
label.appendChild(document.createTextNode(ns));
checkboxContainer.appendChild(label);
});
const buttons = createButtons(checkboxContainer, 'input[type="checkbox"]');
content.appendChild(buttons);
content.appendChild(checkboxContainer);
return section;
}
function createTagSection() {
if (tags.size === 0) return null;
const { section, content } = createCollapsibleSection('Filter by tags', 'tagsExpanded');
const state = loadState();
const saved = state.tags || [];
const checkboxContainer = document.createElement('div');
checkboxContainer.className = 'wiki-filter-checkboxes';
// Add "None" option
const noneLabel = document.createElement('label');
noneLabel.className = 'wiki-filter-checkbox';
const noneCheckbox = document.createElement('input');
noneCheckbox.type = 'checkbox';
noneCheckbox.value = 'none';
noneCheckbox.checked = saved.length === 0 || saved.includes('none');
noneCheckbox.addEventListener('change', () => {
saveFiltersState();
applyFilters();
});
noneLabel.appendChild(noneCheckbox);
noneLabel.appendChild(document.createTextNode('None (untagged)'));
checkboxContainer.appendChild(noneLabel);
// Add tag options
Array.from(tags).sort().forEach(tag => {
const label = document.createElement('label');
label.className = 'wiki-filter-checkbox';
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.value = tag;
checkbox.checked = saved.length === 0 || saved.includes(tag);
checkbox.addEventListener('change', () => {
saveFiltersState();
applyFilters();
});
label.appendChild(checkbox);
label.appendChild(document.createTextNode(tag));
checkboxContainer.appendChild(label);
});
const buttons = createButtons(checkboxContainer, 'input[type="checkbox"]');
content.appendChild(buttons);
content.appendChild(checkboxContainer);
return section;
}
function createSummarySection() {
const { section, content } = createCollapsibleSection('Filter by edit summary', 'summaryExpanded');
const state = loadState();
const input = document.createElement('input');
input.type = 'text';
input.className = 'wiki-filter-input';
input.placeholder = 'Enter text or regular expression...';
input.value = state.summaryFilter || '';
const debouncedFilter = debounce(() => {
saveFiltersState();
applyFilters();
}, CONFIG.DEBOUNCE_TIME);
input.addEventListener('input', debouncedFilter);
const regexOption = document.createElement('div');
regexOption.className = 'wiki-filter-regex-option';
const regexCheckbox = document.createElement('input');
regexCheckbox.type = 'checkbox';
regexCheckbox.id = 'summary-regex';
regexCheckbox.checked = state.useRegex || false;
regexCheckbox.addEventListener('change', () => {
saveFiltersState();
applyFilters();
});
const regexLabel = document.createElement('label');
regexLabel.htmlFor = 'summary-regex';
regexLabel.appendChild(regexCheckbox);
regexLabel.appendChild(document.createTextNode('Use regular expression (case-insensitive)'));
regexOption.appendChild(regexLabel);
content.appendChild(input);
content.appendChild(regexOption);
return section;
}
function createUI() {
const container = document.createElement('div');
container.className = 'wiki-filter-container';
const nsSection = createNamespaceSection();
container.appendChild(nsSection);
const tagSection = createTagSection();
if (tagSection) {
container.appendChild(tagSection);
}
const summarySection = createSummarySection();
container.appendChild(summarySection);
const stats = document.createElement('div');
stats.className = 'wiki-filter-stats';
stats.id = 'filter-stats';
container.appendChild(stats);
const targetList = isContribPage
? document.querySelector('.mw-contributions-list')
: document.querySelector('#pagehistory');
if (targetList) {
targetList.parentNode.insertBefore(container, targetList);
}
}
function saveFiltersState() {
const state = loadState();
// Save namespace selections
const nsCheckboxes = document.querySelectorAll('.wiki-filter-section:first-child .wiki-filter-checkbox input');
state.namespaces = Array.from(nsCheckboxes).filter(cb => cb.checked).map(cb => cb.value);
// Save tag selections
if (tags.size > 0) {
const tagCheckboxes = document.querySelectorAll('.wiki-filter-section:nth-child(2) .wiki-filter-checkbox input');
state.tags = Array.from(tagCheckboxes).filter(cb => cb.checked).map(cb => cb.value);
}
// Save summary filter
const summaryInput = document.querySelector('.wiki-filter-input');
const regexCheckbox = document.getElementById('summary-regex');
if (summaryInput) {
state.summaryFilter = summaryInput.value;
state.useRegex = regexCheckbox.checked;
}
saveState(state);
}
function matchesSummary(summary, filter, useRegex) {
if (!filter) return true;
try {
if (useRegex) {
const regex = new RegExp(filter, 'i');
return regex.test(summary);
} else {
return summary.toLowerCase().includes(filter.toLowerCase());
}
} catch {
return false;
}
}
function applyFilters() {
const state = loadState();
const nsEnabled = state.nsExpandedEnabled !== false;
const tagsEnabled = state.tagsExpandedEnabled !== false;
const summaryEnabled = state.summaryExpandedEnabled !== false;
const selectedNs = state.namespaces || [];
const selectedTags = state.tags || [];
const summaryFilter = state.summaryFilter || '';
const useRegex = state.useRegex || false;
let visibleCount = 0;
items.forEach(item => {
const data = item._filterData;
let show = true;
// Namespace filter - only apply if enabled
if (nsEnabled && selectedNs.length > 0) {
if (!selectedNs.includes(data.namespace)) {
show = false;
}
}
// Tag filter - only apply if enabled
if (show && tagsEnabled && tags.size > 0 && selectedTags.length > 0) {
if (data.tags.length === 0) {
if (!selectedTags.includes('none')) {
show = false;
}
} else {
if (!data.tags.some(tag => selectedTags.includes(tag))) {
show = false;
}
}
}
// Summary filter - only apply if enabled
if (show && summaryEnabled && summaryFilter) {
if (!matchesSummary(data.summary, summaryFilter, useRegex)) {
show = false;
}
}
item.style.display = show ? '' : 'none';
if (show) visibleCount++;
});
updateStats(visibleCount);
}
function updateStats(visible) {
const stats = document.getElementById('filter-stats');
if (stats) {
stats.textContent = `Showing ${visible} of ${items.length} items`;
}
}
function init() {
addStyles();
initializeData();
createUI();
applyFilters();
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
})();
// </nowiki>