code: function(shouldValidate) {
      Array.prototype.forEach.call(this.wrapper.querySelectorAll('.st-block'), (block, idx) => {
        var _block = this.blockManager.findBlockById(block.getAttribute('id'));
        if (!_.isUndefined(_block)) {
          this.validateAndSaveBlock(_block, shouldValidate);
        }
      });
    }
docs: /*
  Call `validateAndSaveBlock` on each block found in the dom.