|
|
import { uniAppHook, Global } from '../helpers/config';
|
|
|
import {
|
|
|
callAppHook, getPages, getPageVmOrMp, ruleToUniNavInfo, formatTo, formatFrom, APPGetPageRoute, getPageOnBeforeBack,
|
|
|
} from './util';
|
|
|
import { noop } from '../helpers/util';
|
|
|
import { warn } from '../helpers/warn';
|
|
|
import uniPushTo from './uniNav';
|
|
|
|
|
|
let startBack = false; // 主要是兼容低端手机返回卡 然后多次返回直接提示退出的问题
|
|
|
|
|
|
/**
|
|
|
* 还原并执行所有 拦截下来的生命周期 app.vue 及 index 下的生命周期
|
|
|
* @param {Boolean} callHome // 是否触发首页的生命周期
|
|
|
*
|
|
|
* this 为当前 page 对象
|
|
|
*/
|
|
|
const callwaitHooks = function (callHome) {
|
|
|
return new Promise(async (resolve) => {
|
|
|
const variation = []; // 存储一下在uni-app上的变异生命钩子 奇葩的要死
|
|
|
const {
|
|
|
appVue, indexVue, onLaunch, onShow, waitHooks, variationFuns, indexCallHooks,
|
|
|
} = uniAppHook;
|
|
|
const app = appVue.$options;
|
|
|
await onLaunch.fun[onLaunch.fun.length - 1].call(appVue, onLaunch.args); // 确保只执行最后一个 并且强化异步操作
|
|
|
onShow.fun[onShow.fun.length - 1].call(appVue, onShow.args); // onshow 不保证异步 直接确保执行最后一个
|
|
|
if (callHome) { // 触发首页生命周期
|
|
|
// eslint-disable-next-line
|
|
|
for (const key in waitHooks) {
|
|
|
if (indexCallHooks.includes(key)) { // 只有在被包含的情况下才执行
|
|
|
callAppHook.call(this, waitHooks[key].fun);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if (onLaunch.isHijack) { // 还原 onLaunch生命钩子
|
|
|
app.onLaunch.splice(app.onLaunch.length - 1, 1, onLaunch.fun[0]);
|
|
|
}
|
|
|
if (onShow.isHijack) { // 继续还原 onShow
|
|
|
app.onShow.splice(app.onShow.length - 1, 1, onShow.fun[0]);
|
|
|
}
|
|
|
// eslint-disable-next-line
|
|
|
for (const key in waitHooks) { // 还原 首页下的生命钩子
|
|
|
const item = waitHooks[key];
|
|
|
if (item.isHijack) {
|
|
|
if (variationFuns.includes(key)) { // 变异方法
|
|
|
variation.push({ key, fun: item.fun[0] });
|
|
|
} else {
|
|
|
const indeHooks = indexVue[key];
|
|
|
// 修复 https://github.com/SilurianYang/uni-simple-router/issues/76
|
|
|
setTimeout(() => { // 异步延迟还原 不然 uni-app 给给触发了
|
|
|
indeHooks.splice(indeHooks.length - 1, 1, item.fun[0]);
|
|
|
}, 50);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
resolve(variation);
|
|
|
});
|
|
|
};
|
|
|
/**
|
|
|
* 还原剩下的奇葩生命钩子
|
|
|
* @param {Object} variation 当前uni-app中的一些变异方法 奇葩生命钩子
|
|
|
*/
|
|
|
const callVariationHooks = function (variation) {
|
|
|
for (let i = 0; i < variation.length; i += 1) {
|
|
|
const { key, fun } = variation[i];
|
|
|
const indeHooks = uniAppHook.indexVue[key];
|
|
|
indeHooks.splice(indeHooks.length - 1, 1, fun);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 主要是对app.vue下onLaunch和onShow生命周期进行劫持
|
|
|
*
|
|
|
* this 为当前 page 对象
|
|
|
*/
|
|
|
export const proxyLaunchHook = function () {
|
|
|
const {
|
|
|
onLaunch,
|
|
|
onShow,
|
|
|
} = this.$options;
|
|
|
uniAppHook.appVue = this; // 缓存 当前app.vue组件对象
|
|
|
if (onLaunch.length > 1) { // 确保有写 onLaunch 可能有其他混入 那也办法
|
|
|
uniAppHook.onLaunch.isHijack = true;
|
|
|
uniAppHook.onLaunch.fun = onLaunch.splice(onLaunch.length - 1, 1, (arg) => {
|
|
|
uniAppHook.onLaunch.args = arg;
|
|
|
}); // 替换uni-app自带的生命周期
|
|
|
}
|
|
|
if (onShow.length > 0) {
|
|
|
uniAppHook.onShow.isHijack = true;
|
|
|
uniAppHook.onShow.fun = onShow.splice(onShow.length - 1, 1, (arg) => {
|
|
|
uniAppHook.onShow.args = arg;
|
|
|
if (uniAppHook.pageReady) { // 因为还有app切前台后台的操作
|
|
|
callAppHook.call(this, uniAppHook.onShow.fun, arg);
|
|
|
}
|
|
|
}); // 替换替换 都替换
|
|
|
}
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 把指定页面的生命钩子函数保存并替换
|
|
|
* this 为当前 page 对象
|
|
|
*/
|
|
|
export const proxyIndexHook = function (Router) {
|
|
|
const { needHooks, waitHooks } = uniAppHook;
|
|
|
const options = this.$options;
|
|
|
uniAppHook.indexVue = options;
|
|
|
for (let i = 0; i < needHooks.length; i += 1) {
|
|
|
const key = needHooks[i];
|
|
|
if (options[key] != null) { // 只劫持开发者声明的生命周期
|
|
|
const { length } = options[key];
|
|
|
// eslint-disable-next-line
|
|
|
const whObject= waitHooks[key]={};
|
|
|
whObject.fun = options[key].splice(length - 1, 1, noop); // 把实际的页面生命钩子函数缓存起来,替换原有的生命钩子
|
|
|
whObject.isHijack = true;
|
|
|
}
|
|
|
}
|
|
|
// eslint-disable-next-line
|
|
|
triggerLifeCycle.call(this, Router); // 接着 主动我们触发导航守卫
|
|
|
};
|
|
|
/**
|
|
|
* 触发全局beforeHooks 生命钩子
|
|
|
* @param {Object} _from // from 参数
|
|
|
* @param {Object} _to // to 参数
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
const beforeHooks = function (_from, _to) {
|
|
|
return new Promise(async (resolve) => {
|
|
|
const beforeHooksFun = this.lifeCycle.beforeHooks[0];
|
|
|
if (beforeHooksFun == null) {
|
|
|
return resolve();
|
|
|
}
|
|
|
await beforeHooksFun.call(this, _to, _from, resolve);
|
|
|
});
|
|
|
};
|
|
|
/**
|
|
|
* 触发全局afterEachHooks 生命钩子
|
|
|
* @param {Object} _from // from 参数
|
|
|
* @param {Object} _to // to 参数
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
const afterEachHooks = function (_from, _to) {
|
|
|
const afterHooks = this.lifeCycle.afterHooks[0];
|
|
|
if (afterHooks != null && afterHooks.constructor === Function) {
|
|
|
afterHooks.call(this, _to, _from);
|
|
|
}
|
|
|
};
|
|
|
/**
|
|
|
* 触发全局 beforeEnter 生命钩子
|
|
|
* @param {Object} finalRoute // 当前格式化后的路由参数
|
|
|
* @param {Object} _from // from 参数
|
|
|
* @param {Object} _to // to 参数
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
const beforeEnterHooks = function (finalRoute, _from, _to) {
|
|
|
return new Promise(async (resolve) => {
|
|
|
const { beforeEnter } = finalRoute.route;
|
|
|
if (beforeEnter == null || beforeEnter.constructor !== Function) { // 当前这个beforeEnter不存在 或者类型错误
|
|
|
return resolve();
|
|
|
}
|
|
|
await beforeEnter.call(this, _to, _from, resolve);
|
|
|
});
|
|
|
};
|
|
|
/**
|
|
|
* 触发返回事件公共方法
|
|
|
* @param {Object} page 用getPages获取到的页面栈对象
|
|
|
* @param {Object} options 当前vue页面对象
|
|
|
* @param {Object} backLayerC 需要返回页面的层级
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
const backCallHook = function (page, options, backLayerC = 1) {
|
|
|
const route = APPGetPageRoute([page]);
|
|
|
const NAVTYPE = 'RouterBack';
|
|
|
// eslint-disable-next-line
|
|
|
transitionTo.call(this, { path: route.path, query: route.query }, NAVTYPE, (finalRoute, fnType) => {
|
|
|
if (fnType != NAVTYPE) { // 返回时的api如果有next到其他页面 那么必须带上NAVTYPE 不相同则表示需要跳转到其他页面
|
|
|
return uniPushTo(finalRoute, fnType);
|
|
|
}
|
|
|
if (startBack) { // 如果当前处于正在返回的状态
|
|
|
return warn('当前处于正在返回的状态，请稍后再试！');
|
|
|
}
|
|
|
startBack = true; // 标记开始返回
|
|
|
options.onBackPress = [noop]; // 改回uni-app可执行的状态
|
|
|
setTimeout(() => {
|
|
|
this.back(backLayerC, undefined, true); // 越过加锁验证
|
|
|
startBack = false; // 返回结束
|
|
|
});
|
|
|
});
|
|
|
};
|
|
|
/**
|
|
|
* 处理返回按钮的生命钩子
|
|
|
* @param {Object} options 当前 vue 组件对象下的$options对象
|
|
|
* @param {Array} args 当前页面是点击头部返回还是底部返回
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
export const beforeBackHooks = async function (options, args) {
|
|
|
const isNext = await getPageOnBeforeBack(args); // 执行onBeforeBack
|
|
|
if (isNext === false) { // onBeforeBack 返回了true 阻止了跳转
|
|
|
Global.LockStatus = false; // 也需要解锁
|
|
|
return false;
|
|
|
}
|
|
|
const page = getPages(-3); // 上一个页面对象
|
|
|
backCallHook.call(this, page, options);
|
|
|
};
|
|
|
/**
|
|
|
* 处理back api的生命钩子
|
|
|
* @param {Object} options 当前 vue 组件对象下的$options对象
|
|
|
* @param {Array} args 当前页面是点击头部返回还是底部返回
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
export const backApiCallHook = async function (options, args) {
|
|
|
await getPageOnBeforeBack(args);
|
|
|
const { backLayerC } = Global;
|
|
|
const pages = getPages();
|
|
|
let page = null;
|
|
|
if (backLayerC > pages.length - 1 || backLayerC == pages.length - 1) { // 返回的首页 我们需要显示tabbar拦截
|
|
|
// eslint-disable-next-line
|
|
|
page = pages[0];
|
|
|
} else {
|
|
|
page = pages[pages.length - 2];
|
|
|
}
|
|
|
backCallHook.call(this, page, options, backLayerC);
|
|
|
};
|
|
|
/**
|
|
|
* v1.5.4+
|
|
|
* beforeRouteLeave 生命周期
|
|
|
* @param {Object} to 将要去的那个页面 to对象
|
|
|
* @param {Object} from 从那个页面触发的 from对象
|
|
|
* @param {Boolean} leaveHook:? 是否为 beforeRouteLeave 触发的next 到别处 如果是则不再触发 beforeRouteLeave 生命钩子
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
const beforeRouteLeaveHooks = function (from, to, leaveHook) {
|
|
|
return new Promise((resolve) => {
|
|
|
if (leaveHook) { // 我们知道这个是来自页面beforeRouteLeave next到其他地方，所有不必再执行啦
|
|
|
warn('beforeRouteLeave next到其他地方，无须再执行！');
|
|
|
return resolve();
|
|
|
}
|
|
|
if (from.path == to.path) { // 进入首页的时候不触发
|
|
|
return resolve();
|
|
|
}
|
|
|
const currentPage = getPages(-2); // 获取到全部的页面对象
|
|
|
const callThis = getPageVmOrMp(currentPage); // 获取到页面的 $vm 对象 及 page页面的this对象
|
|
|
const { beforeRouteLeave } = callThis.$options; // 查看当前是否有开发者声明
|
|
|
if (beforeRouteLeave == null) {
|
|
|
warn('当前页面下无 beforeRouteLeave 钩子声明，无须执行！');
|
|
|
return resolve();
|
|
|
}
|
|
|
if (beforeRouteLeave != null && beforeRouteLeave.constructor !== Function) {
|
|
|
warn('beforeRouteLeave 生命钩子声明错误，必须是一个函数！');
|
|
|
return resolve();
|
|
|
}
|
|
|
beforeRouteLeave.call(callThis, to, from, resolve); // 执行生命钩子
|
|
|
});
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 验证当前 next() 管道函数是否支持下一步
|
|
|
*
|
|
|
* @param {Object} Intercept 拦截到的新路由规则
|
|
|
* @param {Object} fnType 跳转页面的类型方法 原始的
|
|
|
* @param {Object} navCB 回调函数 原始的
|
|
|
* @param {Boolean} leaveHookCall:? 是否为 beforeRouteLeave 触发的next 做拦截判断
|
|
|
* this 为当前 Router 对象
|
|
|
*
|
|
|
*/
|
|
|
const isNext = function (Intercept, fnType, navCB, leaveHookCall = false) {
|
|
|
return new Promise((resolve, reject) => {
|
|
|
if (Intercept == null) { // 什么也不做 直接执行下一个钩子
|
|
|
return resolve();
|
|
|
}
|
|
|
if (Intercept === false) { // 路由中断
|
|
|
Global.LockStatus = false; // 解锁跳转状态
|
|
|
return reject('路由终止');
|
|
|
}
|
|
|
if (Intercept.constructor === String) { // 说明 开发者直接传的path 并且没有指定 NAVTYPE 那么采用原来的navType
|
|
|
reject('next到其他页面');
|
|
|
// eslint-disable-next-line
|
|
|
return transitionTo.call(this, Intercept, fnType, navCB,leaveHookCall);
|
|
|
}
|
|
|
if (Intercept.constructor === Object) { // 有一系列的配置 包括页面切换动画什么的
|
|
|
reject('next到其他页面');
|
|
|
// eslint-disable-next-line
|
|
|
return transitionTo.call(this, Intercept, Intercept.NAVTYPE || fnType, navCB,leaveHookCall);
|
|
|
}
|
|
|
});
|
|
|
};
|
|
|
/**
|
|
|
* 核心方法 处理一系列的跳转配置
|
|
|
* @param {Object} rule 当前跳转规则
|
|
|
* @param {Object} fnType 跳转页面的类型方法
|
|
|
* @param {Object} navCB:? 回调函数
|
|
|
* @param {Boolean} leaveHook:? 是否为 beforeRouteLeave 触发的next 到别处 如果是则不再触发 beforeRouteLeave 生命钩子
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
export const transitionTo = async function (rule, fnType, navCB, leaveHook = false) {
|
|
|
await this.lifeCycle.routerbeforeHooks[0].call(this); // 触发内部跳转前的生命周期
|
|
|
const finalRoute = ruleToUniNavInfo(rule, this.CONFIG.routes); // 获得到最终的 route 对象
|
|
|
const _from = formatFrom(this.CONFIG.routes); // 先根据跳转类型获取 from 数据
|
|
|
const _to = formatTo(finalRoute); // 再根据跳转类型获取 to 数据
|
|
|
try {
|
|
|
const leaveResult = await beforeRouteLeaveHooks.call(this, _from, _to, leaveHook); // 执行页面中的 beforeRouteLeave 生命周期 v1.5.4+
|
|
|
await isNext.call(this, leaveResult, fnType, navCB, true); // 验证当前是否继续 可能需要递归 那么 我们把参数传递过去
|
|
|
|
|
|
const beforeResult = await beforeHooks.call(this, _from, _to); // 执行 beforeEach 生命周期
|
|
|
await isNext.call(this, beforeResult, fnType, navCB); // 验证当前是否继续 可能需要递归 那么 我们把参数传递过去
|
|
|
|
|
|
const enterResult = await beforeEnterHooks.call(this, finalRoute, _from, _to); // 接着执行 beforeEnter 生命周期
|
|
|
await isNext.call(this, enterResult, fnType, navCB); // 再次验证 如果生命钩子多的话应该写成递归或者循环
|
|
|
} catch (e) {
|
|
|
warn(e); // 打印开发者操作的日志
|
|
|
return false;
|
|
|
}
|
|
|
if (navCB) {
|
|
|
navCB.call(this, finalRoute, fnType); // 执行当前回调生命周期
|
|
|
}
|
|
|
afterEachHooks.call(this, _from, _to);
|
|
|
await this.lifeCycle.routerAfterHooks[0].call(this); // 触发内部跳转前的生命周期
|
|
|
};
|
|
|
/**
|
|
|
* 主动触发导航守卫
|
|
|
* @param {Object} Router 当前路由对象
|
|
|
*
|
|
|
* this 当前vue页面组件对象
|
|
|
*/
|
|
|
export const triggerLifeCycle = function (Router) {
|
|
|
const topPage = getCurrentPages()[0];
|
|
|
if (topPage == null) {
|
|
|
return warn('打扰了,当前一个页面也没有 这不是官方的bug是什么??');
|
|
|
}
|
|
|
const { query, page } = getPageVmOrMp(topPage, false);
|
|
|
transitionTo.call(Router, { path: page.route, query }, 'push', async (finalRoute, fnType) => {
|
|
|
let variation = [];
|
|
|
if (`/${page.route}` == finalRoute.route.path) { // 在首页不动的情况下
|
|
|
uniAppHook.pageReady = true; // 标致着路由已经就绪 可能准备起飞
|
|
|
await callwaitHooks.call(this, true);
|
|
|
} else { // 需要跳转
|
|
|
variation = await callwaitHooks.call(this, false); // 只触发app.vue中的生命周期
|
|
|
await uniPushTo(finalRoute, fnType);
|
|
|
}
|
|
|
plus.nativeObj.View.getViewById('router-loadding').close();
|
|
|
callVariationHooks(variation);
|
|
|
uniAppHook.pageReady = true; // 标致着路由已经就绪 可能准备起飞
|
|
|
});
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 处理tabbar点击拦截事件
|
|
|
* @param {Object} path 当前需要跳转的tab页面路径
|
|
|
*
|
|
|
* this 为当前 Router 对象
|
|
|
*/
|
|
|
export const beforeTabHooks = function (path) {
|
|
|
transitionTo.call(this, { path: `/${path}`, query: {} }, 'pushTab', (finalRoute, fnType) => {
|
|
|
uniPushTo(finalRoute, fnType);
|
|
|
});
|
|
|
};
|
