export function bindMethods<T extends object>(instance: T): void {
|
const prototype = Object.getPrototypeOf(instance);
|
const propertyNames = Object.getOwnPropertyNames(prototype);
|
|
propertyNames.forEach((propertyName) => {
|
const descriptor = Object.getOwnPropertyDescriptor(prototype, propertyName);
|
const propertyValue = instance[propertyName as keyof T];
|
|
if (
|
typeof propertyValue === 'function' &&
|
propertyName !== 'constructor' &&
|
descriptor &&
|
!descriptor.get &&
|
!descriptor.set
|
) {
|
instance[propertyName as keyof T] = propertyValue.bind(instance);
|
}
|
});
|
}
|
|
/**
|
* 获取嵌套对象的字段值
|
* @param obj - 要查找的对象
|
* @param path - 用于查找字段的路径，使用小数点分隔
|
* @returns 字段值，或者未找到时返回 undefined
|
*/
|
export function getNestedValue<T>(obj: T, path: string): any {
|
if (typeof path !== 'string' || path.length === 0) {
|
throw new Error('Path must be a non-empty string');
|
}
|
// 把路径字符串按 "." 分割成数组
|
const keys = path.split('.') as (number | string)[];
|
|
let current: any = obj;
|
|
for (const key of keys) {
|
if (current === null || current === undefined) {
|
return undefined;
|
}
|
current = current[key as keyof typeof current];
|
}
|
|
return current;
|
}
|
