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| import {
| hasLifecycleHook,
| findExistsPageIndex
| } from 'uni-helpers/index'
|
| import {
| initEventChannel
| } from 'uni-helpers/navigate-to'
|
| const {
| invokeCallbackHandler: invoke
| } = UniServiceJSBridge
|
| function onAppRoute (type, {
| url,
| delta,
| events,
| exists,
| animationType,
| animationDuration,
| from = 'navigateBack',
| detail
| } = {}) {
| const router = getApp().$router
| delete router.$eventChannel
| switch (type) {
| case 'redirectTo':
| if (exists === 'back') {
| const existsPageIndex = findExistsPageIndex(url)
| if (existsPageIndex !== -1) {
| const delta = (getCurrentPages().length - 1) - existsPageIndex
| if (delta > 0) {
| return onAppRoute('navigateBack', {
| delta
| })
| }
| }
| }
| router.replace({
| type,
| path: url
| })
| break
| case 'navigateTo':
| router.$eventChannel = initEventChannel(events)
| router.push({
| type,
| path: url,
| animationType,
| animationDuration
| })
| return {
| errMsg: type + ':ok',
| eventChannel: router.$eventChannel
| }
| case 'navigateBack':
| {
| let canBack = true
| const pages = getCurrentPages()
| if (pages.length) {
| const page = pages[pages.length - 1]
| if (hasLifecycleHook(page.$options, 'onBackPress') && page.__call_hook('onBackPress', {
| from
| }) === true) {
| canBack = false
| }
| }
| if (canBack) {
| if (delta > 1) {
| router._$delta = delta
| }
| router.go(-delta, {
| animationType,
| animationDuration
| })
| }
| }
| break
| case 'reLaunch':
| router.replace({
| type,
| path: url
| })
| break
| case 'switchTab':
| router.replace({
| type,
| path: url,
| params: {
| detail
| }
| })
| break
| }
| return {
| errMsg: type + ':ok'
| }
| }
|
| export function redirectTo (args) {
| return onAppRoute('redirectTo', args)
| }
|
| export function navigateTo (args) {
| return onAppRoute('navigateTo', args)
| }
|
| export function navigateBack (args) {
| return onAppRoute('navigateBack', args)
| }
|
| export function reLaunch (args) {
| return onAppRoute('reLaunch', args)
| }
|
| export function switchTab (args) {
| return onAppRoute('switchTab', args)
| }
|
| export function preloadPage ({
| url
| }, callbackId) {
| const path = url.split('?')[0].replace(/\//g, '-')
| __uniConfig.__webpack_chunk_load__(path.substr(1)).then(() => {
| invoke(callbackId, {
| url,
| errMsg: 'preloadPage:ok'
| })
| }).catch(err => {
| invoke(callbackId, {
| url,
| errMsg: 'preloadPage:fail ' + err
| })
| })
| }
|
|
