Return value from recurring function

Question

This Meteor server recursive method commonHint returns result undefined to the console even the finalRes has a value.
Any suggestion o

Answer 1

Any place you call commonHint you need to return the value of the call.

  ... 

  if (!hinters) {
    hinters = [...lib.getCombinations(['arg1', 'arg2', 'arg3'], 2, 3)];
    return this.commonHint(doc, shortMatches, hinters, results);  // hinters is an array of length 3 with 2 elements each
  }

  ...

  if (hinters.length > 0) {
    return this.commonHint(doc, shortMatches, hinters, results);