User:Bequw/bc-ad.js
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Note: You may have to bypass your browser’s cache to see the changes. In addition, after saving a sitewide CSS file such as MediaWiki:Common.css, it will take 5-10 minutes before the changes take effect, even if you clear your cache.
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- This script lacks a documentation subpage. Please create it.
- Useful links: root page • root page’s subpages • links • redirects • your own
// <nowiki>
// Switches the year-numbering system from BCE/CE to BC/AD
// Now available as a gadget: [[MediaWiki:Gadget-BC-AD.js]]
/* globals addOnloadHook */
"use strict";
function yearFormatSwitch() {
if (!document.querySelectorAll) return;
// This code supports date labels formatted using the following wikitext. (See {{B.C.E}} and {{C.E.}}.) BCE can be replaced by CE:
// <small class="ce-date">[[Appendix:Glossary#BCE|<span title="Glossary and display preference">BCE</span>]]</small>
var datetags = document.querySelectorAll('.ce-date');
for (var i = 0; i < datetags.length; i++) {
var datetag = datetags[i];
if (datetag.firstChild && datetag.firstChild.firstChild && datetag.firstChild.firstChild.firstChild) {
if (datetag.firstChild.firstChild.firstChild.nodeValue === "CE") {
if (typeof datetag.firstChild.setAttribute === "function") {
datetag.firstChild.setAttribute("href", "/wiki/Appendix:Glossary#AD");
}
datetag.firstChild.firstChild.innerHTML = "AD";
if (datetag.previousSibling) {
var patt = /((?:\d{1,4} ?(?:-|–|to) ?)?\d{1,4}) ?$/g; // first if hyphen-minus, then en-dash
var val = datetag.previousSibling.nodeValue;
var matches = val.match(patt);
if (matches !== null) {
var lastMatch = matches[matches.length - 1];
datetag.previousSibling.nodeValue = datetag.previousSibling.nodeValue.substr(0, datetag.previousSibling.nodeValue.length - lastMatch.length);
if(!datetag.nextSibling)
datetag.parentElement.appendChild(document.createTextNode(" " + lastMatch));
else
datetag.nextSibling.nodeValue = " " + lastMatch + datetag.nextSibling.nodeValue;
}
}
}
else {
if (typeof datetag.firstChild.setAttribute === "function") {
datetag.firstChild.setAttribute("href", "/wiki/Appendix:Glossary#BC");
}
datetag.firstChild.firstChild.innerHTML = "BC";
}
}
}
// This code supports dates formatted in the following fashion:
// <small class="ce-date2">CE</small>
// The tag <small> can be replaced with <span> or something else.
var datetags2 = document.querySelectorAll(".ce-date2");
for (i = 0; i < datetags2.length; ++i ) {
var datetag2 = datetags2[i];
var convert = { "BCE": "BC", "CE": "AD" };
datetag2.innerHTML = convert[datetag2.innerHTML];
}
}
$(yearFormatSwitch);
// </nowiki>