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How to use the medium.0.nest.4 function in medium

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oreqizer / redux-forms / packages / redux-forms / src / __tests__ / arrays.spec.ts View on Github

it('should shift nested array', () => {
    const res = arrayUnshift('medium.0.nest', 2)(fields);

    expect(res['medium.0.nest.2']).toBeUndefined();

    expect(res['medium.0.nest.0']).toBe(field0);
    expect(res['medium.0.nest.1']).toBe(field1);
    expect(res['medium.0.nest.3']).toBe(field2);
    expect(res['medium.0.nest.4']).toBe(field3);
  });