38 lines
1.1 KiB
TypeScript
38 lines
1.1 KiB
TypeScript
export const deepEqual = <T>(obj1: T, obj2: T) => {
|
|
if (obj1 === obj2) return true;
|
|
|
|
// 处理 null 和 object 类型
|
|
if (typeof obj1 !== 'object' || obj1 === null || typeof obj2 !== 'object' || obj2 === null) {
|
|
return false;
|
|
}
|
|
|
|
// 判断是否都是数组
|
|
const isArray1 = Array.isArray(obj1);
|
|
const isArray2 = Array.isArray(obj2);
|
|
|
|
if (isArray1 !== isArray2) return false; // 一个是数组另一个不是，不相等
|
|
|
|
// 数组的情况
|
|
if (isArray1 && isArray2) {
|
|
if (obj1.length !== obj2.length) return false;
|
|
for (let i = 0; i < obj1.length; i++) {
|
|
if (!deepEqual(obj1[i], obj2[i])) return false;
|
|
}
|
|
return true;
|
|
}
|
|
// 普通对象的情况
|
|
else {
|
|
const keys1 = Object.keys(obj1);
|
|
const keys2 = Object.keys(obj2);
|
|
|
|
if (keys1.length !== keys2.length) return false;
|
|
|
|
for (const key of keys1) {
|
|
if (!(key in obj2)) return false;
|
|
if (!deepEqual((obj1 as any)[key], (obj2 as any)[key])) return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|