import * as jsonpointer from 'jsonpointer'; const obj = { foo: 1, bar: { baz: 2}, qux: [3, 4, 5]}; jsonpointer.get(obj, '/foo'); // returns 1 jsonpointer.get(obj, '/bar/baz'); // returns 2 jsonpointer.get(obj, '/qux/0'); // returns 3 jsonpointer.get(obj, '/qux/1'); // returns 4 jsonpointer.get(obj, '/qux/2'); // returns 5 jsonpointer.get(obj, '/quo'); // returns undefined jsonpointer.set(obj, '/foo', 6); // sets obj.foo = 6; jsonpointer.set(obj, '/qux/-', 6); // sets obj.qux = [3, 4, 5, 6] const pointer = jsonpointer.compile('/foo'); pointer.get(obj); // returns 1 pointer.set(obj, 1); // sets obj.foo = 1