hexo/node_modules/ali-oss/lib/common/utils/deepCopy.ts

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2023-09-25 15:58:56 +08:00
import { isBuffer } from './isBuffer';
export const deepCopy = obj => {
if (obj === null || typeof obj !== 'object') {
return obj;
}
if (isBuffer(obj)) {
return obj.slice();
}
const copy = Array.isArray(obj) ? [] : {};
Object.keys(obj).forEach(key => {
copy[key] = deepCopy(obj[key]);
});
return copy;
};
export const deepCopyWith = (obj: any, customizer?: (v: any, k: string, o: any) => any) => {
function deepCopyWithHelper(value: any, innerKey: string, innerObject: any) {
const result = customizer!(value, innerKey, innerObject);
if (result !== undefined) return result;
if (value === null || typeof value !== 'object') {
return value;
}
if (isBuffer(value)) {
return value.slice();
}
const copy = Array.isArray(value) ? [] : {};
Object.keys(value).forEach(k => {
copy[k] = deepCopyWithHelper(value[k], k, value);
});
return copy;
}
if (customizer) {
return deepCopyWithHelper(obj, '', null);
} else {
return deepCopy(obj);
}
};