egirlskey/packages/frontend/src/components/global/MkEmoji.vue
2023-01-22 05:33:26 +09:00

84 lines
2.7 KiB
Vue

<template>
<span v-if="isCustom && errored">:{{ customEmojiName }}:</span>
<img v-else-if="isCustom" :class="[$style.root, $style.custom, { [$style.normal]: normal, [$style.noStyle]: noStyle }]" :src="url" :alt="alt" :title="alt" decoding="async" @error="errored = true"/>
<img v-else-if="char && !useOsNativeEmojis" :class="$style.root" :src="url" :alt="alt" decoding="async" @pointerenter="computeTitle"/>
<span v-else-if="char && useOsNativeEmojis" :alt="alt" @pointerenter="computeTitle">{{ char }}</span>
<span v-else>{{ emoji }}</span>
</template>
<script lang="ts" setup>
import { computed } from 'vue';
import { getStaticImageUrl } from '@/scripts/media-proxy';
import { char2twemojiFilePath, char2fluentEmojiFilePath } from '@/scripts/emoji-base';
import { defaultStore } from '@/store';
import { getEmojiName } from '@/scripts/emojilist';
import { customEmojis } from '@/custom-emojis';
const props = defineProps<{
emoji: string;
normal?: boolean;
noStyle?: boolean;
isReaction?: boolean;
host?: string | null;
}>();
const char2path = defaultStore.state.emojiStyle === 'twemoji' ? char2twemojiFilePath : char2fluentEmojiFilePath;
const isCustom = computed(() => props.emoji.startsWith(':'));
const customEmojiName = props.emoji.substr(1, props.emoji.length - 2);
const char = computed(() => isCustom.value ? undefined : props.emoji);
const useOsNativeEmojis = computed(() => defaultStore.state.emojiStyle === 'native' && !props.isReaction);
const url = computed(() => {
if (char.value) {
return char2path(char.value);
} else if (props.host == null) {
const found = customEmojis.find(x => x.name === customEmojiName);
return found ? found.url : null;
} else {
const rawUrl = `/emoji/${customEmojiName}@${props.host}.webp`;
return defaultStore.state.disableShowingAnimatedImages
? getStaticImageUrl(rawUrl)
: rawUrl;
}
});
const alt = computed(() => isCustom.value ? `:${customEmojiName}:` : char.value);
let errored = $ref(isCustom.value && url.value == null);
// Searching from an array with 2000 items for every emoji felt like too energy-consuming, so I decided to do it lazily on pointerenter
function computeTitle(event: PointerEvent): void {
const title = isCustom.value
? `:${customEmojiName}:`
: (getEmojiName(char.value as string) ?? char.value as string);
(event.target as HTMLElement).title = title;
}
</script>
<style lang="scss" module>
.root {
height: 1.25em;
vertical-align: -0.25em;
}
.custom {
height: 2.5em;
vertical-align: middle;
transition: transform 0.2s ease;
&:hover {
transform: scale(1.2);
}
}
.normal {
height: 1.25em;
vertical-align: -0.25em;
&:hover {
transform: none;
}
}
.noStyle {
height: auto !important;
}
</style>