Typescript errors with mapping.ts implementation

[hwilliams1]

An issue has been identified regarding src/mapping/mapping.ts showing an error regarding the generic specification when running the tests. An initial solution has been found by changing from :

import camelCaseKeys from "camelcase-keys";
import snakeCaseKeys from "snakecase-keys";

export default class Mapping {
    public static camelCaseKeys<T> (input: any): T {
        return camelCaseKeys(input, { deep: true }) as T;
    }

    public static snakeCaseKeys<T> (input: any): T {
        return snakeCaseKeys(input, { deep: true }) as T;
    }
}

to instead be :

import camelCaseKeys from "camelcase-keys";
import snakeCaseKeys from "snakecase-keys";

type ObjArray = { [key: string]: any; }[]
type Obj = { [key: string]: any; }
type ObjOptions = Obj | ObjArray;

export default class Mapping {
    public static camelCaseKeys<T> (input: any): T {
        return camelCaseKeys(input, { deep: true }) as T;
    }

    public static snakeCaseKeys (input: ObjOptions) {
        return snakeCaseKeys(input, { deep: true });
    }
}

However changing the camelCaseKeys to be the same has brought up additional errors when running the tests, so further investigation will be needed regarding the changes required.