Iam getting following error, when i try to restructure an array TypeError: Cannot read property 'map' of undefined react

[Tiruvengadam85]

` return items.map(item => (

{item}

));

`
Below is the items array
0: {applied_rule_ids: "XXX", base_currency_code: "AED", base_discount_amount: -310, base_grand_total: 300, base_discount_tax_compensation_amount: 14.78}
1: {applied_rule_ids: "YYY", base_currency_code: "AED", base_discount_amount: 0, base_grand_total: 170, base_discount_tax_compensation_amount: 0}
2: {base_currency_code: "AED", base_discount_amount: 0, base_discount_invoiced: 0, base_grand_total: 50, base_discount_tax_compensation_amount: 0}
3: {base_currency_code: "AED", base_discount_amount: 0, base_discount_invoiced: 0, base_grand_total: 100, base_discount_tax_compensation_amount: 0}

Any one please suggest