67 lines
1.9 KiB
TypeScript
67 lines
1.9 KiB
TypeScript
/**
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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）
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* @param news 新数据
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* @param old 源数据
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* @returns 两数组相同返回 `true`，反之则反
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*/
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export function judementSameArr(newArr: unknown[] | string[], oldArr: string[]): boolean {
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const news = removeDuplicate(newArr);
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const olds = removeDuplicate(oldArr);
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let count = 0;
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const leng = olds.length;
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for (let i in olds) {
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for (let j in news) {
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if (olds[i] === news[j]) count++;
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}
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}
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return count === leng ? true : false;
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}
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/**
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* 判断两个对象是否相同
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* @param a 要比较的对象一
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* @param b 要比较的对象二
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* @returns 相同返回 true，反之则反
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*/
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export function isObjectValueEqual(a: { [key: string]: any }, b: { [key: string]: any }) {
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if (!a || !b) return false;
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let aProps = Object.getOwnPropertyNames(a);
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let bProps = Object.getOwnPropertyNames(b);
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if (aProps.length != bProps.length) return false;
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for (let i = 0; i < aProps.length; i++) {
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let propName = aProps[i];
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let propA = a[propName];
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let propB = b[propName];
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if (!b.hasOwnProperty(propName)) return false;
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if (propA instanceof Object) {
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if (!isObjectValueEqual(propA, propB)) return false;
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} else if (propA !== propB) {
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return false;
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}
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}
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return true;
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}
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/**
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* 数组、数组对象去重
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* @param arr 数组内容
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* @param attr 需要去重的键值（数组对象）
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* @returns
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*/
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export function removeDuplicate(arr: any, attr?: string) {
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if (!arr && !arr.length) {
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return arr;
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} else {
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if (attr) {
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const obj: any = {};
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const newArr = arr.reduce((cur: any, item: any) => {
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obj[item[attr]] ? '' : (obj[item[attr]] = true && item[attr] && cur.push(item));
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return cur;
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}, []);
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return newArr;
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} else {
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return Array.from(new Set([...arr]));
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}
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}
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}
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