unleash.unleash/src/lib/util/flattenPayload.test.ts

import { flattenPayload } from './flattenPayload';

describe('flattenPayload', () => {
    it('should flatten a payload', () => {
        const payload = {
            a: 1,
            b: {
                c: 2,
                d: [3, 4],
                e: {
                    f: 5,
                },
            },
        };
        expect(flattenPayload(payload)).toEqual({
            a: 1,
            'b.c': 2,
            'b.d[0]': 3,
            'b.d[1]': 4,
            'b.e.f': 5,
        });
    });

    it('should handle conflicting keys gracefully by prioritizing later keys', () => {
        const payload = {
            a: {
                b: 1,
            },
            'a.b': 2,
        };
        expect(flattenPayload(payload)).toEqual({
            'a.b': 2,
        });
    });
});