User:Ilmari Karonen/fancysubpagetitle.js

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Documentation for this user script can be added at User:Ilmari Karonen/fancysubpagetitle.

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// RENDER BASE PAGE NAMES OF SUBPAGES IN SMALLER FONT
// (proof-of-concept test for discussion on wikitech-l)

if (wgNamespaceNumber > 0 && wgPageName.indexOf("/") >= 0) {
    appendCSS(
        "h1 span.fancysubpagetitle-slash { padding-left: 0.5em; padding-right: 0.5em; }\n" +
        "h1 span.fancysubpagetitle-base { font-size: 53%; line-height: 100%; color: #777; display: block; }\n" +
    "")
    addOnloadHook(function () {
        var heading = document.getElementsByTagName("h1")[0]
        var pieces = wgPageName.replace(/_/g, " ").split("/")
        var lastpiece = pieces.pop()

        var divider = document.createElement("span")
        divider.className = "fancysubpagetitle-slash"
        divider.appendChild(document.createTextNode("/"))

        var basepath = document.createElement("span")
        basepath.className = "fancysubpagetitle-base"

        for (var i = 0; i < pieces.length; i++) {
            basepath.appendChild(document.createTextNode(pieces[i]))
            basepath.appendChild(divider.cloneNode(true))
        }

        heading.innerHTML = ""
        heading.appendChild(basepath)
        heading.appendChild(document.createTextNode(lastpiece))
    })
}