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import {
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proxyLaunchHook, beforeBackHooks, beforeTabHooks, backApiCallHook,
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} from './hooks';
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import { Global, uniAppHook } from '../helpers/config';
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import { assertCanBack } from './util';
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import { warn } from '../helpers/warn';
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/**
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* 重写掉uni-app的 uni.getLocation 和 uni.chooseLocation APi
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* @param {Object} Router 当前路由对象
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*/
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export const rewriteUniFun = function (Router) {
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const oldSwitchTab = uni.switchTab; // 缓存 跳转到 tabBar 页面
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uni.switchTab = function ({ url, ...args }, normal = false) {
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if (normal === true || uniAppHook.pageReady === false) { // 调用原始的uni-app api
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oldSwitchTab({
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url,
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...args,
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});
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} else {
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if (uniAppHook.pageReady) { // 只有在路由守卫等 处理完所有操作后才能触发
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const { path } = Router.$Route; // 获取当前路径
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if (path == url) { // 路径相同不执行
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return warn(`当前跳转路径:${url} 已在本页面无须跳转`);
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}
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beforeTabHooks.call(Router, url.substring(1)); // 不要 /
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} else {
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warn('路由守卫正在忙碌中 不允许执行 ‘uni.switchTab’');
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}
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}
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};
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};
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/**
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* 对当前app做一个动画页面 用来过渡首次next 等待时间过长的尴尬
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* @param {Object} Router 当前路由对象
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*/
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export const registerLoddingPage = function (Router) {
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const { loddingPageHook, loddingPageStyle } = Router.CONFIG.APP; // 获取app所有配置
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const view = new plus.nativeObj.View('router-loadding', {
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top: '0px',
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left: '0px',
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height: '100%',
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width: '100%',
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...loddingPageStyle.call(Router),
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});
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loddingPageHook.call(Router, view); // 触发等待页面生命周期
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};
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/**
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* 移除当前 页面上 非router 声明的 onBackPress 事件
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* @param {Object} page 当前 vue 组件对象
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* @param {Object} options 当前page对象的 $options
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* 修复 https://github.com/SilurianYang/uni-simple-router/issues/106
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*/
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export const removeBackPressEvent = function (page, options) {
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const isBack = assertCanBack(page);
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if (isBack) { // 可返回
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options.onBackPress = [options.onBackPress[0]]; // 路由混入的都干掉
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}
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};
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/**
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* 判断当前页面是否需要拦截返回
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*
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* @param {Object} page 当前 vue 组件对象
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* @param {Object} options 当前 vue 组件对象下的$options对象
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* @param {Array} args 当前页面是点击头部返回还是底部返回
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* 修复 https://github.com/SilurianYang/uni-simple-router/issues/66
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*
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* this 为当前 Router 对象
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*/
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export const pageIsHeadBack = function (page, options, args) {
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if (args[0].from == 'navigateBack') { // 调用api返回
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if (Global.LockStatus) { // 正在跳转的时候 返回按键按的太快啦
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warn('当前页面正在处于跳转状态,请稍后再进行跳转....');
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return true;
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}
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Global.LockStatus = true; // 设置为锁住状态
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backApiCallHook.call(this, options, args);
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return true;
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}
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const isBack = assertCanBack(page);
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if (isBack) { // 可返回
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if (Global.LockStatus) { // 正在跳转的时候 返回按键按的太快啦
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warn('当前页面正在处于跳转状态,请稍后再进行跳转....');
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return true;
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}
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Global.LockStatus = true; // 设置为锁住状态
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beforeBackHooks.call(this, options, args);
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return true;
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}
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return false;
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};
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/**
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* 开始初始化app端路由配置
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*
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* @param {Object} Router
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*
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* this 为当前 page 对象
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*/
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export const appInit = function (Router) {
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proxyLaunchHook.call(this);
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const { holdTabbar } = Router.CONFIG.APP;
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if (holdTabbar) { // 开启tab拦截时
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rewriteUniFun(Router);
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}
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registerLoddingPage(Router);
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};
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