import lodashStable from 'lodash'; describe('uniq', () => { it('should perform an unsorted uniq when used as an iteratee for methods like `_.map`', () => { const array = [ [2, 1, 2], [1, 2, 1], ]; const actual = lodashStable.map(array, lodashStable.uniq); expect(actual).toEqual([ [2, 1], [1, 2], ]); }); });