Method useCLS

src/sequelize.js:1223–1232

* Use CLS (Continuation Local Storage) with Sequelize. With Continuation * Local Storage, all queries within the transaction callback will * automatically receive the transaction object. * * CLS namespace provided is stored as `Sequelize._cls` * * @param {object} ns CLS namespace

(ns)

   * @returns {object} Sequelize constructor
   */
  static useCLS(ns) {
    // check `ns` is valid CLS namespace
    if (!ns || typeof ns !== 'object' || typeof ns.bind !== 'function' || typeof ns.run !== 'function') throw new Error('Must provide CLS namespace');

    // save namespace as `Sequelize._cls`
    Sequelize._cls = ns;

    // return Sequelize for chaining
    return this;
  }

  /**
   * Run function in CLS context.