json-casing
Here are a few lines of code taken from a unit test so you can see how to use this very simple JavaScript.
import JSONCasing from 'json-casing'; var camelObj = prop1: "prop 1" obj1: deepProp1: "dp1" deepProp2: "dp2" ;var pascalObj = Prop1: "prop 1" Obj1: DeepProp1: "dp1" DeepProp2: "dp2" ; var result = JSONCasing; ;