Modrinth-plus/apps/app-frontend/src/components/ui/NavButton.vue

<template>
  <RouterLink
    v-if="typeof to === 'string'"
    :to="to"
    v-bind="$attrs"
    :class="{
      'router-link-active': isPrimary && isPrimary(route),
      'subpage-active': isSubpage && isSubpage(route),
    }"
    class="w-12 h-12 text-primary rounded-full flex items-center justify-center text-2xl transition-all bg-transparent hover:bg-button-bg hover:text-contrast"
  >
    <slot />
  </RouterLink>
  <button
    v-else
    v-bind="$attrs"
    class="button-animation border-none text-primary cursor-pointer w-12 h-12 rounded-full flex items-center justify-center text-2xl transition-all bg-transparent hover:bg-button-bg hover:text-contrast"
    @click="to"
  >
    <slot />
  </button>
</template>

<script setup lang="ts">
import type { RouteLocationNormalizedLoaded } from 'vue-router'
import { RouterLink, useRoute } from 'vue-router'

const route = useRoute()

type RouteFunction = (route: RouteLocationNormalizedLoaded) => boolean

defineProps<{
  to: (() => void) | string
  isPrimary?: RouteFunction
  isSubpage?: RouteFunction
  highlightOverride?: boolean
}>()

defineOptions({
  inheritAttrs: false,
})
</script>

<style lang="scss" scoped>
.router-link-active,
.subpage-active {
  svg {
    filter: drop-shadow(0 0 0.5rem black);
  }
}

.router-link-active {
  @apply text-[--color-button-text-selected] bg-[--color-button-bg-selected];
}

.subpage-active {
  @apply text-contrast bg-button-bg;
}
</style>