SectionOnPage.ejs

<%
// Create a link to a specific section on a page.
//
// Parameters:
//
// $0   Page path
// $1   Section name
// $2   Element name to wrap the page title (not the section name) in;
//      leave blank or don't specify this parameter to not wrap the title.
//      Don't include the angle brackets! Only specific tags are permitted;
//      they're in the allowedWrappers array. OPTIONAL.
//
// Example:
//
// {{SectionOnPage("/en-US/docs/Web/API/RTCPeerConnection",
//                 "RTCSignalingState enum", "code")}}

let allowedWrappers = [
    "code",
    "kbd",
];

let section = $1;
let lang = env.locale;
let text = "";
let page = await wiki.getPage($0);
let title = kuma.htmlEscape(page.title);

let commonLocalStrings = string.deserialize(await template("L10n:Common"));
let localize = mdn.getLocalString;

let summary = (page && page.summary) ? mdn.escapeQuotes(page.summary) :
    localize(commonLocalStrings, "summary");

if (!title || title == undefined || title == "undefined") {
    title = localize(commonLocalStrings, "MissingPage");
}

let elem = $2;

if (elem && elem != "") {
    elem = elem.toLowerCase();

    if (allowedWrappers.includes(elem)) {
        title = `<${elem}>${title}</${elem}>`;
    }
}

let url = $0 + "#" + section;

url = Web.spacesToUnderscores(url);
url = url.replace(":", "");             // Remove colons

switch(lang) {
    case "ru":
        text = `<a href="${url}" title="${summary}">${section}</a> в <a href="${$0}" title="${summary}">${title}</a>`;
        break;
    default:
        text = `<a href="${url}" title="${summary}">${section}</a> in <a href=${$0} title="${summary}">${title}</a>`;
        break;
}
%>
<%-text%>