opnform/resources/js/router/index.js

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import Vue from 'vue'
import store from '~/store'
import Meta from 'vue-meta'
import routes from './routes'
import Router from 'vue-router'
import {sync} from 'vuex-router-sync'
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Vue.use(Meta)
Vue.use(Router)
// The middleware for every page of the application.
const globalMiddleware = ['locale', 'check-auth', 'notion-connection']
// Load middleware modules dynamically.
const requireContext = import.meta.glob('../middleware/**/*.js', { eager: true })
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const routeMiddleware = resolveMiddleware(
requireContext
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)
const router = createRouter()
sync(store, router)
export default router
/**
* Create a new router instance.
*
* @return {Router}
*/
function createRouter () {
const router = new Router({
scrollBehavior,
mode: 'history',
routes
})
router.beforeEach(beforeEach)
router.afterEach(afterEach)
return router
}
/**
* Global router guard.
*
* @param {Route} to
* @param {Route} from
* @param {Function} next
*/
async function beforeEach (to, from, next) {
let components = []
// External redirect
if (to.matched.some((record) => record.meta.externalUrl)) {
const url = to.meta.externalUrl
window.location.replace(url)
return
}
try {
// Get the matched components and resolve them.
components = await resolveComponents(
router.getMatchedComponents({ ...to })
)
} catch (error) {
if (/^Loading( CSS)? chunk (\d)+ failed\./.test(error.message)) {
window.location.reload(true)
return
}
}
if (components.length === 0) {
return next()
}
// Start the loading bar.
if (components[components.length - 1].loading !== false) {
router.app.$nextTick(() => router.app.$loading.start())
}
// Get the middleware for all the matched components.
const middleware = getMiddleware(components)
// Call each middleware.
callMiddleware(middleware, to, from, (...args) => {
// Set the application layout only if "next()" was called with no args.
if (args.length === 0) {
router.app.setLayout(components[0].layout || '')
}
next(...args)
})
}
/**
* Global after hook.
*
* @param {Route} to
* @param {Route} from
* @param {Function} next
*/
async function afterEach (to, from, next) {
await router.app.$nextTick()
router.app.$loading.finish()
}
/**
* Call each middleware.
*
* @param {Array} middleware
* @param {Route} to
* @param {Route} from
* @param {Function} next
*/
function callMiddleware (middleware, to, from, next) {
const stack = middleware.reverse()
const _next = (...args) => {
// Stop if "_next" was called with an argument or the stack is empty.
if (args.length > 0 || stack.length === 0) {
if (args.length > 0) {
router.app.$loading.finish()
}
return next(...args)
}
const { middleware, params } = parseMiddleware(stack.pop())
if (typeof middleware === 'function') {
middleware(to, from, _next, params)
} else if (routeMiddleware[middleware]) {
routeMiddleware[middleware](to, from, _next, params)
} else {
throw Error(`Undefined middleware [${middleware}]`)
}
}
_next()
}
/**
* @param {String|Function} middleware
* @return {Object}
*/
function parseMiddleware (middleware) {
if (typeof middleware === 'function') {
return { middleware }
}
const [name, params] = middleware.split(':')
return { middleware: name, params }
}
/**
* Resolve async components.
*
* @param {Array} components
* @return {Array}
*/
function resolveComponents (components) {
return Promise.all(components.map(component => {
return typeof component === 'function' ? component() : component
}))
}
/**
* Merge the the global middleware with the components middleware.
*
* @param {Array} components
* @return {Array}
*/
function getMiddleware (components) {
const middleware = [...globalMiddleware]
components.filter(c => c.middleware).forEach(component => {
if (Array.isArray(component.middleware)) {
middleware.push(...component.middleware)
} else {
middleware.push(component.middleware)
}
})
return middleware
}
/**
* Scroll Behavior
*
* @link https://router.vuejs.org/en/advanced/scroll-behavior.html
*
* @param {Route} to
* @param {Route} from
* @param {Object|undefined} savedPosition
* @return {Object}
*/
function scrollBehavior (to, from, savedPosition) {
if (savedPosition) {
return savedPosition
}
if (to.hash) {
return { selector: to.hash }
}
const [component] = router.getMatchedComponents({ ...to }).slice(-1)
if (component && component.scrollToTop === false) {
return {}
}
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve({ x: 0, y: 0 })
}, 190)
})
}
/**
* @param {Object} requireContext
* @return {Object}
*/
function resolveMiddleware(requireContext) {
const middlewares = {}
Object.keys(requireContext)
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.map(file =>
[file.match(/[^/]*(?=\.[^.]*$)/)[0], requireContext[file]]
).forEach(([name, middleware]) => {
middlewares[name] = middleware.default || middleware
})
return middlewares
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}