v12 (#5712)

Co-authored-by: MeiMei <30769358+mei23@users.noreply.github.com>
Co-authored-by: Satsuki Yanagi <17376330+u1-liquid@users.noreply.github.com>

src/client/components/misskey-flavored-markdown.vue

@@ -0,0 +1,35 @@
+<template>
+<mfm-core v-bind="$attrs" class="havbbuyv" :class="{ nowrap: $attrs['nowrap'] }" v-once/>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import MfmCore from './mfm';
+
+export default Vue.extend({
+	components: {
+		MfmCore
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.havbbuyv {
+	white-space: pre-wrap;
+
+	&.nowrap {
+		white-space: pre;
+		word-wrap: normal; // https://codeday.me/jp/qa/20190424/690106.html
+		overflow: hidden;
+		text-overflow: ellipsis;
+	}
+
+	::v-deep .quote {
+		display: block;
+		margin: 8px;
+		padding: 6px 0 6px 12px;
+		color: var(--mfmQuote);
+		border-left: solid 3px var(--mfmQuoteLine);
+	}
+}
+</style>