Add an anchored link to titles on Wikipedia articles
// ==UserScript==
// @name Wikipedia Anchors
// @version 0.1
// @namespace https://github.com/OoDeLally/wikipedia-anchors
// @description Add an anchored link to titles on Wikipedia articles
// @author Pascal Heitz
// @license MIT
// @include http*://*.wikipedia.org/*
// @include http*://wikipedia.org/*
// @grant none
// ==/UserScript==
function createDivider() {
var divider = document.createElement('span');
divider.innerHTML = ' | ';
divider.classList.add('mw-editsection-divider');
divider.style.display = 'inline';
return divider;
}
function createLink(href) {
var link = document.createElement('a');
link.innerHTML = 'link';
link.style.display = 'inline';
link.href = href;
return link;
}
function createBracket(innerHTML) {
var bracket = document.createElement('span');
bracket.innerHTML = innerHTML;
bracket.classList.add('mw-editsection-bracket');
bracket.style.display = 'inline';
return bracket;
}
function createEditSection() {
var editSectionSpan = document.createElement('span');
editSectionSpan.classList.add('mw-editsection');
editSectionSpan.appendChild(createBracket('['));
editSectionSpan.appendChild(createBracket(']'));
return editSectionSpan;
}
function insertBeforeLastIfPossible(containerNode, childNode) {
if (containerNode.childNodes.length < 1) {
return;
}
containerNode.insertBefore(childNode, containerNode.lastElementChild);
}
(function() {
'use strict';
var headers = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
for (var header of headers) {
var headlineSpan = header.querySelectorAll('span.mw-headline')[0];
if (!headlineSpan) {
continue;
}
var headlineId = headlineSpan.id;
if (!headlineId) {
continue;
}
var anchoredLink = createLink(document.location.href.match(/(^[^#]*)/)[0] + "#" + headlineId);
var editsectionSpan = header.querySelectorAll('span.mw-editsection')[0];
if (editsectionSpan) {
insertBeforeLastIfPossible(editsectionSpan, createDivider());
insertBeforeLastIfPossible(editsectionSpan, anchoredLink);
} else {
// The editsection doesnt exist, we need to create it
editsectionSpan = createEditSection();
header.appendChild(editsectionSpan);
insertBeforeLastIfPossible(editsectionSpan, anchoredLink);
}
}
})();