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v-if not patching component scoped slot correctly #12223

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decademoon opened this issue Aug 17, 2021 · 2 comments · May be fixed by #12244
Open

v-if not patching component scoped slot correctly #12223

decademoon opened this issue Aug 17, 2021 · 2 comments · May be fixed by #12244
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bug has workaround

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@decademoon
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decademoon commented Aug 17, 2021

Version

2.6.14

Reproduction link

https://jsfiddle.net/5w1ydeu8/3/

Steps to reproduce

  • Click between A and B => works
  • Click between A and C => works
  • Click between B and C => doesn't work

What is expected?

The scoped slot should update.

What is actually happening?

The scoped slot doesn't update.
@JuniorTour
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JuniorTour commented Aug 17, 2021 •
edited

Use v-if as a workaround:

  <Foo v-if="frame === 'a'">
    <template #default="x">
      a
    </template>
  </Foo>
  <Foo v-if="frame === 'b'">
    <template #default="x">
      b
    </template>
  </Foo>
  <Foo v-if="frame === 'c'">
    <template #default="x">
      c
    </template>
  </Foo>

But it does have something wrong with v-else-if, I'm looking into it.

@decademoon
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decademoon commented Aug 17, 2021

@JuniorTour Thanks, I'm aware of various workarounds (like using key), but I thought this behavior was odd.

JuniorTour added a commit to JuniorTour/vue that referenced this issue Aug 26, 2021
@JuniorTour
fix(compiler): scoped slot with v-else-if not update (fix vuejs#12223)
4376341
@JuniorTour JuniorTour linked a pull request Aug 26, 2021 that will close this issue
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fix(compiler): scoped slot with v-else-if not update (fix #12223) JuniorTour/vue
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@posva @decademoon @JuniorTour