add explanation for meta mfm setting

locales/en-US.yml

@@ -517,6 +517,9 @@ noHistory: "No history available"
 signinHistory: "Login history"
 enableAdvancedMfm: "Enable advanced MFM"
 enableAnimatedMfm: "Enable animated MFM"
+enableMetaMfm: "Enable meta MFM"
+enableMetaMfmExplanation: "Meta MFM allows posts to dynamically change based on you and your instance. For example with this on A post could say 'Hello [Username]'"
+postUsingMetaMfm: "This post is using the meta mfm tag and so its content may change according to your instance, name, and other things"
 doing: "Processing..."
 category: "Category"
 tags: "Aliases"

locales/index.d.ts

@@ -2096,6 +2096,14 @@ export interface Locale extends ILocale {
      * 動きのあるMFMを有効にする
      */
     "enableAnimatedMfm": string;
+    /**
+     * この投稿はメタmfmタグを使用しているため、インスタンス、名前、その他の要素に応じて内容が変わる可能性があります。
+     */
+    "postUsingMetaMfm": string;
+    /**
+     * Meta MFM を使用すると、ユーザーとインスタンスに基づいて投稿を動的に変更できます。たとえば、これを投稿すると、「Hello [ユーザー名]」と言うことができます。
+     */
+    "enableMetaMfmExplanation": string;
     /**
      * やっています
      */

locales/ja-JP.yml

@@ -520,6 +520,8 @@ noHistory: "履歴はありません"
 signinHistory: "ログイン履歴"
 enableAdvancedMfm: "高度なMFMを有効にする"
 enableAnimatedMfm: "動きのあるMFMを有効にする"
+postUsingMetaMfm: "この投稿はメタmfmタグを使用しているため、インスタンス、名前、その他の要素に応じて内容が変わる可能性があります。"
+enableMetaMfmExplanation: "Meta MFM を使用すると、ユーザーとインスタンスに基づいて投稿を動的に変更できます。たとえば、これを投稿すると、「Hello [ユーザー名]」と言うことができます。"
 doing: "やっています"
 category: "カテゴリ"
 tags: "タグ"

packages/frontend/src/components/FkMfmMeta.vue

@@ -0,0 +1,70 @@
+Components/FkMfmMeta.vue
+<template>
+<span v-tooltip="i18n.ts.postUsingMetaMfm" :class="$style.special">
+	<span v-if="props.type==='userName'">
+		{{metaMfmEnabled ? $i.username : 'you'}}
+	</span>
+	<span v-else-if="props.type==='instanceName'">
+		{{metaMfmEnabled ? loc : 'your instance'}}
+	</span>
+	<span v-else-if="props.query">
+			<span v-if="!metaMfmEnabled">
+				<slot></slot>
+    	</span>
+			<span v-else-if="props.hastype==='username' && invertIfHasnt($i.username.includes(props.query))">
+				<slot></slot>
+    	</span>
+			<span v-else-if="props.hastype==='desc' && invertIfHasnt($i.description.includes(props.query))">
+				<slot></slot>
+    	</span>
+			<span v-else-if="props.hastype==='fields' && invertIfHasnt($i.fields.filter(e => e.value.includes(props.query)).length > 0)">
+				<slot></slot>
+    	</span>
+			<span v-else-if="props.hastype==='iscat' && invertIfHasnt(invertIfHasnt($i.isCat))">
+				<slot></slot>
+    	</span>
+	</span>
+</span>
+</template>
+
+<script lang="ts" setup>
+import { shallowRef } from 'vue';
+import {$i} from "../account.js";
+import {i18n} from "@/i18n.js";
+import {defaultStore} from "../store.js";
+const loc = location.hostname.toString();
+const metaMfmEnabled = defaultStore.state.metaMfm;
+const el = shallowRef<HTMLElement>();
+const container = shallowRef<HTMLElement>();
+
+
+const props = defineProps({
+	type: {
+		type: String,
+		//Can be 'desc' | 'instanceName' | 'userName' | 'has' | 'hasnt'
+		default: 'has',
+	},
+	query: {
+		type: String,
+		default: 'forkey',
+	},
+	hastype: {
+		type: String,
+		//Can be 'username' | 'instancename' | 'isCat'
+		default: 'username',
+	},
+	userName: {
+		type: Boolean,
+		default: true,
+	},
+	instanceName: {
+		type: Boolean,
+		default: false,
+	},
+});
+
+function invertIfHasnt(condition: boolean) {
+  return props.type === 'has' ? condition : !condition;
+}
+
+</script>

packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts

@@ -21,6 +21,7 @@ import { host } from '@/config.js';
 import { defaultStore } from '@/store.js';
 import { nyaize as doNyaize } from '@/scripts/nyaize.js';
 import { safeParseFloat } from '@/scripts/safe-parse.js';
+import FkMfmMeta from "@/components/FkMfmMeta.vue";
 
 const QUOTE_STYLE = `
 display: block;
@@ -342,6 +343,29 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 							}),
 						]);
 					}
+					case 'meta': {
+						let type = 'userName'
+
+						if (token.props.args.instance) {
+							type = 'instanceName';
+						}
+
+						if (token.props.args.has) {
+							type = 'has';
+						}
+						else if (token.props.args.hasnt) {
+							type = 'hasnt';
+						}
+
+						return h(FkMfmMeta, {
+							type,
+							userName: token.props.args.user,
+							instanceName: token.props.args.instance,
+							query: token.props.args.has ?? token.props.args.hasnt,
+							hastype: token.props.args.hastype,
+            }, genEl(token.children, scale));
+
+					}
 					case 'clickable': {
 						return h('span', { onClick(ev: MouseEvent): void {
 							ev.stopPropagation();

packages/frontend/src/const.ts

@@ -122,7 +122,7 @@ export const DEFAULT_SERVER_ERROR_IMAGE_URL = 'https://xn--931a.moe/assets/error
 export const DEFAULT_NOT_FOUND_IMAGE_URL = 'https://xn--931a.moe/assets/not-found.jpg';
 export const DEFAULT_INFO_IMAGE_URL = 'https://xn--931a.moe/assets/info.jpg';
 
-export const MFM_TAGS = ['tada', 'jelly', 'twitch', 'shake', 'spin', 'jump', 'bounce', 'flip', 'x2', 'x3', 'x4', 'scale', 'position', 'fg', 'bg', 'border', 'font', 'blur', 'rainbow', 'sparkle', 'rotate', 'ruby', 'unixtime', 'crop', 'fade'];
+export const MFM_TAGS = ['tada', 'jelly', 'twitch', 'shake', 'spin', 'jump', 'bounce', 'flip', 'x2', 'x3', 'x4', 'scale', 'position', 'fg', 'bg', 'border', 'font', 'blur', 'rainbow', 'sparkle', 'rotate', 'ruby', 'unixtime', 'crop', 'fade', 'meta'];
 export const MFM_PARAMS: Record<typeof MFM_TAGS[number], string[]> = {
 	tada: ['speed=', 'delay='],
 	jelly: ['speed=', 'delay='],
@@ -148,4 +148,5 @@ export const MFM_PARAMS: Record<typeof MFM_TAGS[number], string[]> = {
 	unixtime: [],
 	fade: ['speed=', 'delay=', 'loop=', 'out'],
 	crop: ['top=', 'bottom=', 'left=', 'right='],
+	meta: ['has=', 'hasnt=', 'hastype=', 'user', 'instance']
 };

packages/frontend/src/pages/settings/general.vue

@@ -55,6 +55,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="collapseRenotes">{{ i18n.ts.collapseRenotes }}</MkSwitch>
 				<MkSwitch v-model="hideMutedNotes">{{ i18n.ts._wordMute.hideMutedNotes }}</MkSwitch>
 				<MkSwitch v-model="advancedMfm">{{ i18n.ts.enableAdvancedMfm }}</MkSwitch>
+				<MkSwitch v-if="advancedMfm" v-model="metaMfm">
+					<template #label>{{ i18n.ts.enableMetaMfm }} <div v-tooltip:dialog="i18n.ts.enableMetaMfmExplanation" class="_button _help"><i class="ti ti-help-circle"></i></div></template>
+				</MkSwitch>
 				<MkSwitch v-if="advancedMfm" v-model="animatedMfm">{{ i18n.ts.enableAnimatedMfm }}</MkSwitch>
 				<MkSwitch v-if="advancedMfm" v-model="enableQuickAddMfmFunction">{{ i18n.ts.enableQuickAddMfmFunction }}</MkSwitch>
 				<MkSwitch v-model="showRepliesCount">{{ i18n.ts.showRepliesCount }}</MkSwitch>
@@ -288,6 +291,7 @@ const useBlurEffectForModal = computed(defaultStore.makeGetterSetter('useBlurEff
 const useBlurEffect = computed(defaultStore.makeGetterSetter('useBlurEffect'));
 const showGapBetweenNotesInTimeline = computed(defaultStore.makeGetterSetter('showGapBetweenNotesInTimeline'));
 const animatedMfm = computed(defaultStore.makeGetterSetter('animatedMfm'));
+const metaMfm = computed(defaultStore.makeGetterSetter('metaMfm'));
 const advancedMfm = computed(defaultStore.makeGetterSetter('advancedMfm'));
 const showRepliesCount = computed(defaultStore.makeGetterSetter('showRepliesCount'));
 const showRenotesCount = computed(defaultStore.makeGetterSetter('showRenotesCount'));

packages/frontend/src/pages/settings/preferences-backups.vue

@@ -70,6 +70,7 @@ const defaultStoreSaveKeys: (keyof typeof defaultStore['state'])[] = [
 	'highlightSensitiveMedia',
 	'animation',
 	'animatedMfm',
+	'metaMfm',
 	'advancedMfm',
 	'showRepliesCount',
 	'showRenotesCount',

packages/frontend/src/store.ts

@@ -222,6 +222,10 @@ export const defaultStore = markRaw(new Storage('base', {
 	animatedMfm: {
 		where: 'device',
 		default: false,
+	},
+	metaMfm: {
+		where: 'device',
+  	default: true,
   },
 	advancedMfm: {
 		where: 'device',