Tag prop on <router-link> doesn't work since 2.0.0-rc.6

[VincentGarreau]

Versions

vue.js : 2.x
vue-router: > 2.0.0-rc.5

Reproduction Link

https://jsfiddle.net/9b80nxx1/6/
Update (link above is broken) : http://jsfiddle.net/VincentGarreau/4L240m47/1/

Steps to reproduce

Click on "Other"

What is actually happening?

The route is not updated with vue-router >= 2.0.0-rc.6, but it's working with <= 2.0.0-rc.5.

[fnlctrl]

Thanks! It's indeed a bug.
https://github.com/vuejs/vue-router/blob/dev/src/components/link.js#L68-L70
Click event is not bound for <router-link> when this.tag is not 'a' and it doesn't have a child <a>..

[LinusBorg]

I'm not sure it qualifies as a bug, but it's definitely worth an enhancement.

The point is that one should use the tag attribute to define the element that will receive the "active" class, and define the actual <a> element in the slot (in cases where the two should not be the same).

If my understanding is correct, there's three things to do:

1. Explain this in the docs.
2. make this work with button
3. Fallback: add event to the root tag element if neither a not button was found in the slot.

[fnlctrl]

@LinusBorg It's not about active classes, it's the element itself didn't get click events bound on it. It used to work in all previous versions.

[LinusBorg]

I think Evan added it specifically for the purpose I explained:

e5f0964

Also see the explanation in the migration guide about v-link-active.

It is just missing fallback handling in case no link is provided in the slot.

[fnlctrl]

Well then I guess we need to ask @yyx990803 to explain all this..

[LinusBorg]

http://vuejs.org/guide/migration-vue-router.html#v-link-active-deprecated

This described behaviour should simply be extended to include button elements also, and fall back to the root element of neither are found.

[lukepolo]

Will this be fixed then ? Wondering if I should go ahead and re-do all my navigation

[LinusBorg]

There's already a PR in review.

Just out of curiosity: So all your navigation does work without any <a> elements?

[lukepolo]

<router-link :to="{ path : '/site/' + site.id}" tag="li" class="btn btn-primary">Repository</router-link>

Vue Router would attach the event to the li tag , since im in a SPA it doesn't require the use of the a tag .

[LinusBorg]

I would rather consider it good form to use the appropriate tags for navigation elements. For Screenreaders, or so the URL shows up at the bottom of the window when you hover the link etc.

Nontheless, the described fallback should be implemented, the review is still inprocess though.

[lukepolo]

I agree , have already switched it up

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wrote:

I would rather consider it good form to use the appropriate tags for
navigation elements. For Screenreaders, or so the URL shows up at the
bottom of the window when you hover the link etc.

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[mattattui]

@LinusBorg My understanding is that ARIA provides role="link" to allow (for instance) screenreaders to discern non-<a> links.

That said, I didn't realise until researching this reply that HTML5 changed the definition of the <a> element to allow it to wrap blocks (in HTML 4, it was an inline tag). So if Vue-router is only for HTML5 doctypes, I think it's fine to no longer support this behaviour… though it was a bit of an unwelcome surprise, since this breaking change wasn't listed in the release notes for RC7 or 2.0.