message: Cleanup formatting in store#rebase
diff: @@ -210,7 +210,6 @@ export default class Store extends Source implements Syncable, Queryable, Updata
  let forkPoint = this._forkPoint;
  assert('A `base` store must be defined for `rebase` to work', !!base);
  - //assert('A `forkPoint` must be defined for `rebase` to work', !!forkPoint);
  let baseTransforms: Transform[];
  if (forkPoint === undefined){
  @@ -219,6 +218,7 @@ export default class Store extends Source implements Syncable, Queryable, Updata
  } else {
  baseTransforms = base.transformsSince(forkPoint);
  }
  +
  if (baseTransforms.length > 0) {
  let localTransforms = this.allTransforms();
  @@ -236,7 +236,6 @@ export default class Store extends Source implements Syncable, Queryable, Updata
  }
  }
  -
  /**
  Rolls back the Store to a particular transformId
  