I found a rule that does this:
obj = {
a : 1,
longkey: 2,
zxc : 3
}
which kinda sucks as you really loose track which value belongs to which key if one of the keys are long enough...
however if there was something like this...
obj = {
a: 1,
longkey: 2,
zxc: 3
}
This i think would be ideal.