What is the technique used to initialize the $route object?

Question

What is the technique used to initialize the $route object?

Upon attempting to access this.$route in the created() hook, I noticed that it consistently returns an empty object when logged to the console.

{path: '/', name: undefined, params: {…}, query: {…}, hash: '', …}
fullPath: "/"
hash: ""
matched: []
meta: {}
name: undefined
params: {}
path: "/"
query: {}
redirectedFrom: undefined
[[Prototype]]: Object

I suspect this is due to asynchronous loading. How is it able to determine the path from the start?

After implementing a workaround, I am curious to understand the inner workings behind it.

localhost:8080/?server=BlackHole

// index.js
  {
    path: '/network-error',
    name: 'NetworkError',
    component: NetworkError
  },
  {
    path: '/:server',
  },

// App.vue
created() {
     setTimeout(() => {
      // △ Request to unreachable server
      if (this.$route.query.server == 'BlackHole')  
        {this.$router.push({ name: 'NetworkError' })}}, 1)},

Thank you in advance :)

javascript vue.js vue-router

Answer 1

Answer №1

When you are on the /network-error route, the app is positioned above it, making it impossible to determine your exact location within the app.

At this point, your application has already created and mounted the view app before navigating to the detected route.

A recommended practice is to fetch every route beforehand using a middleware function in your router.js or routes/index.js. Utilize the following code snippet:

router.beforeEach(async (to, from, next) => {
  if (to.name === 'BlackHole') {
    next({ name: 'NetworkError' })
  }
  next()
})

This may not precisely match your redirect scenario due to missing information, but it should guide you on what steps to take.

Answer 2

When you are on the /network-error route, the app is positioned above it, making it impossible to determine your exact location within the app.

At this point, your application has already created and mounted the view app before navigating to the detected route.

A recommended practice is to fetch every route beforehand using a middleware function in your router.js or routes/index.js. Utilize the following code snippet:

router.beforeEach(async (to, from, next) => {
  if (to.name === 'BlackHole') {
    next({ name: 'NetworkError' })
  }
  next()
})

This may not precisely match your redirect scenario due to missing information, but it should guide you on what steps to take.

Answer 3

Answer №2

The issue arose from the asynchronous nature of the route loading process. I managed to find a swift solution by adding this line of configuration to main.js:

router.isReady().then(() => {app.mount('#app')})

https://www.youtube.com/watch?v=a6gT6qHtch8&ab_channel=VueMastery

Answer 4

The issue arose from the asynchronous nature of the route loading process. I managed to find a swift solution by adding this line of configuration to main.js:

router.isReady().then(() => {app.mount('#app')})

https://www.youtube.com/watch?v=a6gT6qHtch8&ab_channel=VueMastery

What is the technique used to initialize the $route object?

Answer №1

Answer №2

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