Re-render Monaco editor completions widget

rerender.js

/** 
 * This is useful when you have both sync and async completions and don't want to have to wait for the async completions to resolve
 * to show the already available sync completions.
 */
function rerenderCompletions() {
    editor.trigger('editor', 'hideSuggestWidget', null);
    editor.trigger('source', 'editor.action.triggerSuggest', null);
}