const { pipe, map, when, is, reject, ifElse, F, either, isEmpty, isNil } = R;
const removeNulls = pipe(
map(when(is(Object), v => removeNulls(v))),
reject(ifElse(is(String), F, either(isEmpty, isNil))),
);
const specimen = {"tasks":[{"id":"foo","blank":"","zero":0,"nool":null},{"nool":null},{"id":"","blank":null,"zero":0,"nool":null}],"useless":{"nool":null},"uselessArray":[{"nool":null}],"nool":null};
const result = removeNulls(specimen);
console.log(result);
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