Google Bookmarks Completer for Vimperator

gmarks-completer.js

let cacheLimit = 30 * 60 * 1000;
let xmlCache;
let getting;

function setCompletions (context, doc) {
  let cs = [];
  for ([, e] in Iterator(doc.querySelectorAll('bookmark'))) {
    let title = e.querySelector('title');
    let url = e.querySelector('url');
    if (url)
      cs.push([url.textContent, title && title.textContent]);
  }
  context.completions = cs;
}

completion.addUrlCompleter(
  'G',
  'Google Bookmark',
  function (context, args) {
    context.incomplete =  false;
    context.filters = [CompletionContext.Filter.textDescription];
    context.title = ["Google Bookmark", "Description"];
    if (xmlCache) {
      setCompletions(context, xmlCache);
    } else {
      if (getting)
        return;
      getting = true;
      let xhr = new XMLHttpRequest();
      xhr.onreadystatechange = function () {
        if (xhr.readyState == 4) {
          getting = false;
          if (xhr.status == 200) {
            xmlCache = xhr.responseXML;
            setCompletions(context, xhr.responseXML);
            context.incomplete = false;
          }
          setTimeout(function () (xmlCache = void 0), cacheLimit);
        }
      };
      xhr.open("GET", 'https://www.google.com/bookmarks/find?output=xml&q=', true);
      xhr.send(null);
    }
  }
);