Method loadScripts

lib/commands/script-loader.js:359–392

* Load redis lua scripts. * The name of the script must have the following format: * * cmdName-numKeys.lua * * cmdName must be in camel case format. * * For example: * moveToFinish-3.lua *

(dir, cache)

   *
   */
  async loadScripts(dir, cache) {
    dir = path.normalize(dir || __dirname);

    let commands = this.commandCache.get(dir);
    if (commands) {
      return commands;
    }

    const files = await readdir(dir);

    const luaFiles = files.filter(file => path.extname(file) === '.lua');

    if (luaFiles.length === 0) {
      /**
       * To prevent unclarified runtime error "updateDelayset is not a function
       * @see https://github.com/OptimalBits/bull/issues/920
       */
      throw new ScriptLoaderError('No .lua files found!', dir, []);
    }

    commands = [];
    cache = cache ? cache : new Map();

    for (let i = 0; i < luaFiles.length; i++) {
      const file = path.join(dir, luaFiles[i]);

      const command = await this.loadCommand(file, cache);
      commands.push(command);
    }

    this.commandCache.set(dir, commands);

    return commands;
  }

  /**
   * Attach all lua scripts in a given directory to a client instance