Method msg_

src/utils/log.js:210–235

* @param {string} tag * @param {!LogLevel_Enum} level * @param {!Array} messages * @return {boolean} true if a the message was logged

(tag, level, messages)

   * @return {boolean} true if a the message was logged
   */
  msg_(tag, level, messages) {
    if (level > (levelOverride_ ?? this.level_)) {
      return false;
    }

    const cs = this.win.console;
    const fn =
      {
        [LogLevel_Enum.ERROR]: cs.error,
        [LogLevel_Enum.INFO]: cs.info,
        [LogLevel_Enum.WARN]: cs.warn,
      }[level] ?? cs.log;

    const args = this.maybeExpandMessageArgs_(messages);
    // Prefix console message with "[tag]".
    const prefix = `[${tag}]`;
    if (isString(args[0])) {
      // Prepend string to avoid breaking string substitutions e.g. %s.
      args[0] = prefix + ' ' + args[0];
    } else {
      args.unshift(prefix);
    }
    fn.apply(cs, args);

    return true;
  }

  /**
   * Reports a fine-grained message.