Function saveChatMessage

togetherjs/chat.js:346–364

(obj)

  var maxLogMessages = 100;

  function saveChatMessage(obj) {
    assert(obj.peerId);
    assert(obj.messageId);
    assert(obj.date);
    assert(typeof obj.text == "string");

    loadChatLog().then(function (log) {
      for (var i = log.length - 1; i >= 0; i--) {
        if (log[i].messageId === obj.messageId) {
          return;
        }
      }
      log.push(obj);
      if (log.length > maxLogMessages) {
        log.splice(0, log.length - maxLogMessages);
      }
      storage.tab.set(chatStorageKey, log);
    });
  }

  function loadChatLog() {
    return storage.tab.get(chatStorageKey, []);