DefaultAPISidebar.ejs

<%
// API Sidebar for overview pages
//
// Parameters:
//  $0  Name of the API group in GroupData

// Variables and data
var slug = env.slug;
var locale = env.locale;
var APIHref = '/' + locale + '/docs/Web/API';
var output = "";
var group = $0;
var htmlEscape = kuma.htmlEscape;
// slug is not available in preview mode.
if (slug && group) {

var webAPIGroups = JSON.parse(await template("GroupData"));

var commonl10n = JSON.parse(await template('L10n:Common'));

var text = {
    'Methods': mdn.getLocalString(commonl10n, 'Methods'),
    'Properties': mdn.getLocalString(commonl10n, 'Properties'),
    'Events': mdn.getLocalString(commonl10n, 'Events'),
    'Interfaces': mdn.getLocalString(commonl10n, 'Interfaces'),
    'Guides': mdn.getLocalString(commonl10n, 'Guides'),
    'translate': mdn.getLocalString(commonl10n, '[Translate]'),
    'title': mdn.getLocalString(commonl10n, 'TranslationCTA'),
};

if (webAPIGroups[0][group]) {

var interfaces = webAPIGroups[0][group].interfaces || [];
var methods = webAPIGroups[0][group].methods || [];
var properties = webAPIGroups[0][group].properties || [];
var events = webAPIGroups[0][group].events || [];
var groupGuides = webAPIGroups[0][group].guides || [];
var guides = [];

for (let guideUrl of groupGuides) {
    const page = await wiki.getPage(guideUrl);
    if (page && page.url) {
        guides.push(page);
    }
}

function buildSublist(pages, title) {
  var result = '<li class="toggle"><details open><summary>' + title + '</summary><ol>';

  for (var i in pages) {
    var aPage = pages[i];
    var url = aPage.url.replace('en-US', locale);
    var title = htmlEscape(aPage.title);

    if (locale != 'en-US' && aPage.translations) {
        aPage.translations.forEach(function(translation){
            if(translation.locale === locale) {
                url = translation.url;
                title = htmlEscape(translation.title);
            }
        });
    }

    result += '<li>';
    result += '<a href="' + url + '">' + title + '</a>';
    result += '</li>';
  }

  result += '</ol></details></li>';

  return result;
}

function buildIFList(interfaces, title) {
  var result = '<li class="toggle"><details open><summary>' + title + '</summary><ol>';

  for (let interface of interfaces) {
    result += '<li><a href="' + APIHref + '/' + interface.target + '">' + interface.text + '</a></li>';
  }

  result += '</ol></details></li>';

  return result;
}

function convert(itemName) {
    return {
      text: `<code>${itemName}</code>`,
      target: itemName.replace('()', '').replace('.', '/')
    }
}

function convertEvent(eventName) {
    const eventComponents = eventName.split(': ');
    if (eventComponents.length !== 2) {
      return null;
    }
    return {
      text: `<code>${eventComponents[0]}</code>: <code>${eventComponents[1]}</code>`,
      target: `${eventComponents[0]}/${eventComponents[1]}_event`
    }
}

// output
output = '<section class="Quick_links" id="Quick_Links"><ol>';

if (webAPIGroups[0][group].overview) {
  output += '<li><strong><a href="' +  APIHref + '/' + webAPIGroups[0][group].overview[0].replace(/ /g, '_') + '">' + webAPIGroups[0][group].overview[0] + '</a></strong></li>';
}

if (guides.length > 0) {
  output += buildSublist(guides, text['Guides']);
}

interfaces = interfaces.map(convert);
if (interfaces.length > 0) {
  output += buildIFList(interfaces, text['Interfaces']);
}

properties = properties.map(convert);
if (properties.length > 0) {
  output += buildIFList(properties, text['Properties']);
}

methods = methods.map(convert);
if (methods.length > 0) {
  output += buildIFList(methods, text['Methods']);
}

events = events.sort().map(convertEvent).filter( e => e !== null );
if (events.length > 0) {
  output += buildIFList(events, text['Events']);
}

output += '</ol></section>';
}}
%>

<%-output%>