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next / express / next-routes
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class01 homework
// src/index.ts
// 反转字符串
export const reverseString = (str: String) => str.split("").reverse().join("");
// 数组去重
export const uniqueArray = <T>(arr: T[]): T[] => Array.from(new Set(arr));
// 日期格式化
export const formatDate = (date: Date): string => date.toISOString().split("T")[0];