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- /**
- * 判断两数组字符串是否相同(用于按钮权限验证),数组字符串中存在相同时会自动去重(按钮权限标识不会重复)
- * @param news 新数据
- * @param old 源数据
- * @returns 两数组相同返回 `true`,反之则反
- */
- export function judementSameArr(newArr: unknown[] | string[], oldArr: string[]): boolean {
- const news = removeDuplicate(newArr);
- const olds = removeDuplicate(oldArr);
- let count = 0;
- const leng = news.length;
- for (let i in olds) {
- for (let j in news) {
- if (olds[i] === news[j]) count++;
- }
- }
- return count === leng ? true : false;
- }
- /**
- * 判断两个对象是否相同
- * @param a 要比较的对象一
- * @param b 要比较的对象二
- * @returns 相同返回 true,反之则反
- */
- export function isObjectValueEqual<T>(a: T, b: T) {
- if (!a || !b) return false;
- let aProps = Object.getOwnPropertyNames(a);
- let bProps = Object.getOwnPropertyNames(b);
- if (aProps.length != bProps.length) return false;
- for (let i = 0; i < aProps.length; i++) {
- let propName = aProps[i];
- let propA = a[propName];
- let propB = b[propName];
- if (!b.hasOwnProperty(propName)) return false;
- if (propA instanceof Object) {
- if (!isObjectValueEqual(propA, propB)) return false;
- } else if (propA !== propB) {
- return false;
- }
- }
- return true;
- }
- /**
- * 数组、数组对象去重
- * @param arr 数组内容
- * @param attr 需要去重的键值(数组对象)
- * @returns
- */
- export function removeDuplicate(arr: any, attr?: string) {
- if (!arr && !arr.length) {
- return arr;
- } else {
- if (attr) {
- const obj: any = {};
- const newArr = arr.reduce((cur: any, item: any) => {
- obj[item[attr]] ? '' : (obj[item[attr]] = true && item[attr] && cur.push(item));
- return cur;
- }, []);
- return newArr;
- } else {
- return Array.from(new Set([...arr]));
- }
- }
- }
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