Optimistic UI details - id generation

superfail · December 13, 2021, 9:32am

Has anybody a clue of what the following code does?

meteor/meteor/blob/7132723d1e3553be7e7e7e8c2966265918c502a1/packages/mongo/collection.js#L523-L531


      
          // Don't generate the id if we're the client and the 'outermost' call
          // This optimization saves us passing both the randomSeed and the id
          // Passing both is redundant.
          if (this._isRemoteCollection()) {
            const enclosing = DDP._CurrentMethodInvocation.get();
            if (!enclosing) {
              generateId = false;
            }
          }

EDIT: The code was added in this commit: