import { beforeEnterHooks } from '../concat';
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import { vuelifeHooks } from '../base';
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import MyArray from '../extends/myArray';
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/**
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* 通过 Object.defineProperty 代理一个对象主要是拦截beforeEnter 生命钩子
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* @param {Router} Router 路由实例对象
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* @param {Object} BeProxy 需要代理的路由表
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*/
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export const proxyBeforeEnter = function (Router, BeProxy) {
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const proxyDc = Object.create(null);// 创建没有继承的属性
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const BeProxyKeys = Object.keys(BeProxy);
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for (let i = 0; i < BeProxyKeys.length; i += 1) {
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const key = BeProxyKeys[i];
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Object.defineProperty(proxyDc, key, {
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enumerable: true,
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configurable: true,
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get() {
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const value = BeProxy[key];
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if (key == 'beforeEnter' && value !== undefined) {
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return (to, from, next) => {
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beforeEnterHooks(to, from, next, value, Router);
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};
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}
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return value;
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},
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set(v) {
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BeProxy[key] = v;
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},
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});
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}
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return proxyDc;
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};
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/**
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* 在uni-app没有注入生命周期时先直接代理相关生命周期数组
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* @param {Object} Router
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* @param {Object} key
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* @param {Funtion} hookFun
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*/
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export const proxyEachHooks = function (Router, key, hookFun) {
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const vueOldHooks = vuelifeHooks[key];
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return new MyArray(Router, vueOldHooks, hookFun);
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};
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