/** * 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(a: T, b: T): boolean { 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: EmptyArrayType, attr?: string) { if (!Object.keys(arr).length) { return arr } else { if (attr) { const obj: EmptyObjectType = {} return arr.reduce((cur: EmptyArrayType[], item: EmptyArrayType) => { obj[item[attr]] ? '' : (obj[item[attr]] = true && item[attr] && cur.push(item)) return cur }, []) } else { return [...new Set(arr)] } } }