Is that code formatting automatic? if yes, how did you do? (comma, variable number of spaces, key, value) { orientation : 'vertical' , anima

Is that code formatting automatic? if yes, how did you do? (comma, variable number of spaces, key, value) { orientation : 'vertical' , animate : true , value : 100 * radii[ ix + 1 ] , slide : onChange , change : onChange , step : .01 }