We've encountered a number of cases where the eslint result doesn't
include values for all of these expected keys. Harden the code for these
cases using idx(). The internal Arcanist interface allows these values
to be null, which is idx()'s default value.
We've encountered a number of cases where the eslint result doesn't include values for all of these expected keys. Harden the code for these cases using idx(). The internal Arcanist interface allows these values to be
null, which is idx()'s default value.Fixes #62