Tips for implementing and utilizing an optional parameter within Vue Router

I am trying to set up a route for a specific component that can be accessed in two ways - one with a parameter and one without. I have been looking into optional parameters but haven't found much information.

Here is my current route setup:

{
    path: '/offers/:member',
    component: Offers,
    name: 'offers',
    props: true,
    meta: {
        guest: false,
        needsAuth: true
    }
},

When I programmatically call the route with the parameter, everything works as expected

this.$router.push({ path: /offers/1234 });

However, I also need to access it via navigation link like this

<router-link to="/offers">Offers</router-link>

The offers component is designed to accept the prop

props: ['member'],

And the component is used in this manner

<Offers :offers="data" :member="member"></Offers>

The workaround I have managed to make it work is by duplicating the route and having one of them not take any props:

{
    path: '/offers',
    component: Offers,
    name: 'offers',
    props: false,
    meta: {
        guest: false,
        needsAuth: true
    }
},

Although it functions correctly, I am not satisfied with this approach. Additionally, when in development mode, Vue.js displays a warning message 

[vue-router] Duplicate named routes definition: { name: "offers", path: "/offers" }

Is there a more elegant way to handle optional parameters in the component call like :member="member"?

javascriptvue.jsvue-router

Answer №2

When it comes to matching advanced routes with specific patterns, the official documentation states :

vue-router utilizes the path-to-regexp for its path matching capabilities, allowing for the use of various advanced matching patterns like optional dynamic segments, zero or more / one or more requirements, and even custom regex patterns. Refer to the documentation of path-to-regexp for a detailed explanation of these advanced patterns, along with an example of their implementation in vue-router.

To learn more about path-to-regexp, visit the page/manual here: https://github.com/pillarjs/path-to-regexp/tree/v1.7.0#parameters

Answer №3

Moreover, you have the option to include various parameters when invoking your route.

<router-link
  :to="{
    name: 'ComponentName',
    params: { user: {}, additionalParams: {} }
  }"
/>

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