Cache the counts of an associated collection.
All definitions should be made server side only.
1// Sets up a 'booksCount' field on each author 2Authors.maintainCountOf(Books, 'authorId'); 3 4// TODO: more examples
collection1.maintainCountOf(collection2, lookup, [name])
The collection to store the counter on
collection2 — Meteor Collection
The collection to maintain a count of
lookup — String or Function
The field name on collection2 to perform the match against collection1
or a callback function returning a value to match against collection1
name — String
Optional. Specify a custom counter field name
MIT. (c) Percolate Studio
counter-cache was developed as part of the Verso project.