message: Don't autocomplete users for single "@"
diff: @@ -101,8 +101,13 @@ export default class UserProvider extends AutocompleteProvider {
  let completions = [];
  const {command, range} = this.getCurrentCommand(query, selection, force);
  - if (command) {
  - completions = this.matcher.match(command[0]).map((user) => {
  +
  + if (!command) return completions;
  +
  + const fullMatch = command[0];
  + // Don't search if the query is a single "@"
  + if (fullMatch && fullMatch !== '@') {
  + completions = this.matcher.match(fullMatch).map((user) => {
  const displayName = (user.name || user.userId || '').replace(' (IRC)', ''); // FIXME when groups are done
  return {
  // Length of completion should equal length of text in decorator. draft-js
  