讓Vue instance能用巢狀的key來修改值
/**
* 讓Vue instance可以用巢狀的key來修改值
*
* @type {Object}
*/
Object.defineProperty(Vue.prototype, '$nestedSet', {
value(key, val) {
const self = this;
const keys = key.split('.');
let target = self;
for (let i = 0; i < keys.length - 1; i += 1) {
target = target[keys[i]];
}
target[keys.pop()] = val;
},
writable: false,
});