refactor: deprecate i18n.t (#13039)

* refactor: deprecate i18n.t

* revert: deprecate i18n.t

This reverts commit 7dbf873a2f745040ee723df5db659acacff84e12.

* chore: reimpl

26 files changed, 103 insertions, 85 deletions

diff --git a/packages/frontend/src/components/MkAnnouncementDialog.vue b/packages/frontend/src/components/MkAnnouncementDialog.vue
index c649e69cd0..54cbbe18c2 100644
--- a/packages/frontend/src/components/MkAnnouncementDialog.vue
+++ b/packages/frontend/src/components/MkAnnouncementDialog.vue
@@ -44,7 +44,7 @@ async function ok() {
 		const confirm = await os.confirm({
 			type: 'question',
 			title: i18n.ts._announcement.readConfirmTitle,
-			text: i18n.t('_announcement.readConfirmText', { title: props.announcement.title }),
+			text: i18n.tsx._announcement.readConfirmText({ title: props.announcement.title }),
 		});
 		if (confirm.canceled) return;
 	}
diff --git a/packages/frontend/src/components/MkCwButton.vue b/packages/frontend/src/components/MkCwButton.vue
index 4a6d2dfba2..ca19a2122d 100644
--- a/packages/frontend/src/components/MkCwButton.vue
+++ b/packages/frontend/src/components/MkCwButton.vue
@@ -41,9 +41,9 @@ const emit = defineEmits<{
 
 const label = computed(() => {
 	return concat([
-		props.text ? [i18n.t('_cw.chars', { count: props.text.length })] : [],
+		props.text ? [i18n.tsx._cw.chars({ count: props.text.length })] : [],
 		props.renote ? [i18n.ts.quote] : [],
-		props.files.length !== 0 ? [i18n.t('_cw.files', { count: props.files.length })] : [],
+		props.files.length !== 0 ? [i18n.tsx._cw.files({ count: props.files.length })] : [],
 		props.poll != null ? [i18n.ts.poll] : [],
 	] as string[][]).join(' / ');
 });
diff --git a/packages/frontend/src/components/MkDateSeparatedList.vue b/packages/frontend/src/components/MkDateSeparatedList.vue
index 0a71b689fe..7b9a052868 100644
--- a/packages/frontend/src/components/MkDateSeparatedList.vue
+++ b/packages/frontend/src/components/MkDateSeparatedList.vue
@@ -46,7 +46,7 @@ export default defineComponent({
 		function getDateText(time: string) {
 			const date = new Date(time).getDate();
 			const month = new Date(time).getMonth() + 1;
-			return i18n.t('monthAndDay', {
+			return i18n.tsx.monthAndDay({
 				month: month.toString(),
 				day: date.toString(),
 			});
diff --git a/packages/frontend/src/components/MkDialog.vue b/packages/frontend/src/components/MkDialog.vue
index 3c1f83d335..3fc9f0e357 100644
--- a/packages/frontend/src/components/MkDialog.vue
+++ b/packages/frontend/src/components/MkDialog.vue
@@ -30,8 +30,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkInput v-if="input" v-model="inputValue" autofocus :type="input.type || 'text'" :placeholder="input.placeholder || undefined" :autocomplete="input.autocomplete" @keydown="onInputKeydown">
 			<template v-if="input.type === 'password'" #prefix><i class="ti ti-lock"></i></template>
 			<template #caption>
-				<span v-if="okButtonDisabledReason === 'charactersExceeded'" v-text="i18n.t('_dialog.charactersExceeded', { current: (inputValue as string).length, max: input.maxLength ?? 'NaN' })"/>
-				<span v-else-if="okButtonDisabledReason === 'charactersBelow'" v-text="i18n.t('_dialog.charactersBelow', { current: (inputValue as string).length, min: input.minLength ?? 'NaN' })"/>
+				<span v-if="okButtonDisabledReason === 'charactersExceeded'" v-text="i18n.tsx._dialog.charactersExceeded({ current: (inputValue as string).length, max: input.maxLength ?? 'NaN' })"/>
+				<span v-else-if="okButtonDisabledReason === 'charactersBelow'" v-text="i18n.tsx._dialog.charactersBelow({ current: (inputValue as string).length, min: input.minLength ?? 'NaN' })"/>
 			</template>
 		</MkInput>
 		<MkSelect v-if="select" v-model="selectedValue" autofocus>
diff --git a/packages/frontend/src/components/MkDrive.vue b/packages/frontend/src/components/MkDrive.vue
index dbf98cd622..560d5502d4 100644
--- a/packages/frontend/src/components/MkDrive.vue
+++ b/packages/frontend/src/components/MkDrive.vue
@@ -82,8 +82,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkButton v-show="moreFiles" ref="loadMoreFiles" @click="fetchMoreFiles">{{ i18n.ts.loadMore }}</MkButton>
 			</div>
 			<div v-if="files.length == 0 && folders.length == 0 && !fetching" :class="$style.empty">
-				<div v-if="draghover">{{ i18n.t('empty-draghover') }}</div>
-				<div v-if="!draghover && folder == null"><strong>{{ i18n.ts.emptyDrive }}</strong><br/>{{ i18n.t('empty-drive-description') }}</div>
+				<div v-if="draghover">{{ i18n.ts['empty-draghover'] }}</div>
+				<div v-if="!draghover && folder == null"><strong>{{ i18n.ts.emptyDrive }}</strong><br/>{{ i18n.ts['empty-drive-description'] }}</div>
 				<div v-if="!draghover && folder != null">{{ i18n.ts.emptyFolder }}</div>
 			</div>
 		</div>
diff --git a/packages/frontend/src/components/MkFollowButton.vue b/packages/frontend/src/components/MkFollowButton.vue
index 78c4fb3cd2..6bc96be1b9 100644
--- a/packages/frontend/src/components/MkFollowButton.vue
+++ b/packages/frontend/src/components/MkFollowButton.vue
@@ -84,7 +84,7 @@ async function onClick() {
 		if (isFollowing.value) {
 			const { canceled } = await os.confirm({
 				type: 'warning',
-				text: i18n.t('unfollowConfirm', { name: props.user.name || props.user.username }),
+				text: i18n.tsx.unfollowConfirm({ name: props.user.name || props.user.username }),
 			});
 
 			if (canceled) return;
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 9c4354ef5f..d7bb64661b 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -73,7 +73,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div v-if="translating || translation" :class="$style.translation">
 							<MkLoading v-if="translating" mini/>
 							<div v-else>
-								<b>{{ i18n.t('translatedFrom', { x: translation.sourceLang }) }}: </b>
+								<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
 								<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
 							</div>
 						</div>
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index e941827d74..1f5b283cfe 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -87,7 +87,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div v-if="translating || translation" :class="$style.translation">
 					<MkLoading v-if="translating" mini/>
 					<div v-else>
-						<b>{{ i18n.t('translatedFrom', { x: translation.sourceLang }) }}: </b>
+						<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
 						<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
 					</div>
 				</div>
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index ce8b054b39..92be20c6f6 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -56,8 +56,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<span v-else-if="notification.type === 'achievementEarned'">{{ i18n.ts._notification.achievementEarned }}</span>
 			<span v-else-if="notification.type === 'test'">{{ i18n.ts._notification.testNotification }}</span>
 			<MkA v-else-if="notification.user" v-user-preview="notification.user.id" :class="$style.headerName" :to="userPage(notification.user)"><MkUserName :user="notification.user"/></MkA>
-			<span v-else-if="notification.type === 'reaction:grouped'">{{ i18n.t('_notification.reactedBySomeUsers', { n: notification.reactions.length }) }}</span>
-			<span v-else-if="notification.type === 'renote:grouped'">{{ i18n.t('_notification.renotedBySomeUsers', { n: notification.users.length }) }}</span>
+			<span v-else-if="notification.type === 'reaction:grouped'">{{ i18n.tsx._notification.reactedBySomeUsers({ n: notification.reactions.length }) }}</span>
+			<span v-else-if="notification.type === 'renote:grouped'">{{ i18n.tsx._notification.renotedBySomeUsers({ n: notification.users.length }) }}</span>
 			<span v-else>{{ notification.header }}</span>
 			<MkTime v-if="withTime" :time="notification.createdAt" :class="$style.headerTime"/>
 		</header>
diff --git a/packages/frontend/src/components/MkNotificationSelectWindow.vue b/packages/frontend/src/components/MkNotificationSelectWindow.vue
index 6725776f43..0e77d2a6aa 100644
--- a/packages/frontend/src/components/MkNotificationSelectWindow.vue
+++ b/packages/frontend/src/components/MkNotificationSelectWindow.vue
@@ -23,7 +23,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkButton inline @click="disableAll">{{ i18n.ts.disableAll }}</MkButton>
 				<MkButton inline @click="enableAll">{{ i18n.ts.enableAll }}</MkButton>
 			</div>
-			<MkSwitch v-for="ntype in notificationTypes" :key="ntype" v-model="typesMap[ntype].value">{{ i18n.t(`_notification._types.${ntype}`) }}</MkSwitch>
+			<MkSwitch v-for="ntype in notificationTypes" :key="ntype" v-model="typesMap[ntype].value">{{ i18n.ts._notification._types[ntype] }}</MkSwitch>
 		</div>
 	</MkSpacer>
 </MkModalWindow>
diff --git a/packages/frontend/src/components/MkPoll.vue b/packages/frontend/src/components/MkPoll.vue
index 4cac1fe9c3..7c58b58697 100644
--- a/packages/frontend/src/components/MkPoll.vue
+++ b/packages/frontend/src/components/MkPoll.vue
@@ -11,12 +11,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<span :class="$style.fg">
 				<template v-if="choice.isVoted"><i class="ti ti-check" style="margin-right: 4px; color: var(--accent);"></i></template>
 				<Mfm :text="choice.text" :plain="true"/>
-				<span v-if="showResult" style="margin-left: 4px; opacity: 0.7;">({{ i18n.t('_poll.votesCount', { n: choice.votes }) }})</span>
+				<span v-if="showResult" style="margin-left: 4px; opacity: 0.7;">({{ i18n.tsx._poll.votesCount({ n: choice.votes }) }})</span>
 			</span>
 		</li>
 	</ul>
 	<p v-if="!readOnly" :class="$style.info">
-		<span>{{ i18n.t('_poll.totalVotes', { n: total }) }}</span>
+		<span>{{ i18n.tsx._poll.totalVotes({ n: total }) }}</span>
 		<span> · </span>
 		<a v-if="!closed && !isVoted" style="color: inherit;" @click="showResult = !showResult">{{ showResult ? i18n.ts._poll.vote : i18n.ts._poll.showResult }}</a>
 		<span v-if="isVoted">{{ i18n.ts._poll.voted }}</span>
@@ -47,10 +47,11 @@ const remaining = ref(-1);
 const total = computed(() => sum(props.note.poll.choices.map(x => x.votes)));
 const closed = computed(() => remaining.value === 0);
 const isVoted = computed(() => !props.note.poll.multiple && props.note.poll.choices.some(c => c.isVoted));
-const timer = computed(() => i18n.t(
-	remaining.value >= 86400 ? '_poll.remainingDays' :
-	remaining.value >= 3600 ? '_poll.remainingHours' :
-	remaining.value >= 60 ? '_poll.remainingMinutes' : '_poll.remainingSeconds', {
+const timer = computed(() => i18n.tsx._poll[
+		remaining.value >= 86400 ? 'remainingDays' :
+		remaining.value >= 3600 ? 'remainingHours' :
+		remaining.value >= 60 ? 'remainingMinutes' : 'remainingSeconds'
+	]({
 		s: Math.floor(remaining.value % 60),
 		m: Math.floor(remaining.value / 60) % 60,
 		h: Math.floor(remaining.value / 3600) % 24,
@@ -81,7 +82,7 @@ const vote = async (id) => {
 
 	const { canceled } = await os.confirm({
 		type: 'question',
-		text: i18n.t('voteConfirm', { choice: props.note.poll.choices[id].text }),
+		text: i18n.tsx.voteConfirm({ choice: props.note.poll.choices[id].text }),
 	});
 	if (canceled) return;
 
diff --git a/packages/frontend/src/components/MkPollEditor.vue b/packages/frontend/src/components/MkPollEditor.vue
index 43e576d1ab..34f6c72b6e 100644
--- a/packages/frontend/src/components/MkPollEditor.vue
+++ b/packages/frontend/src/components/MkPollEditor.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</p>
 	<ul>
 		<li v-for="(choice, i) in choices" :key="i">
-			<MkInput class="input" small :modelValue="choice" :placeholder="i18n.t('_poll.choiceN', { n: i + 1 })" @update:modelValue="onInput(i, $event)">
+			<MkInput class="input" small :modelValue="choice" :placeholder="i18n.tsx._poll.choiceN({ n: i + 1 })" @update:modelValue="onInput(i, $event)">
 			</MkInput>
 			<button class="_button" @click="remove(i)">
 				<i class="ti ti-x"></i>
diff --git a/packages/frontend/src/components/MkSignupDialog.form.vue b/packages/frontend/src/components/MkSignupDialog.form.vue
index 79e17c9aef..e27510fb34 100644
--- a/packages/frontend/src/components/MkSignupDialog.form.vue
+++ b/packages/frontend/src/components/MkSignupDialog.form.vue
@@ -263,7 +263,7 @@ async function onSubmit(): Promise<void> {
 			os.alert({
 				type: 'success',
 				title: i18n.ts._signup.almostThere,
-				text: i18n.t('_signup.emailSent', { email: email.value }),
+				text: i18n.tsx._signup.emailSent({ email: email.value }),
 			});
 			emit('signupEmailPending');
 		} else {
diff --git a/packages/frontend/src/components/MkSignupDialog.rules.vue b/packages/frontend/src/components/MkSignupDialog.rules.vue
index 8cf7ce92ad..d42b496a34 100644
--- a/packages/frontend/src/components/MkSignupDialog.rules.vue
+++ b/packages/frontend/src/components/MkSignupDialog.rules.vue
@@ -105,7 +105,7 @@ async function updateAgreeServerRules(v: boolean) {
 		const confirm = await os.confirm({
 			type: 'question',
 			title: i18n.ts.doYouAgree,
-			text: i18n.t('iHaveReadXCarefullyAndAgree', { x: i18n.ts.serverRules }),
+			text: i18n.tsx.iHaveReadXCarefullyAndAgree({ x: i18n.ts.serverRules }),
 		});
 		if (confirm.canceled) return;
 		agreeServerRules.value = true;
@@ -119,7 +119,7 @@ async function updateAgreeTosAndPrivacyPolicy(v: boolean) {
 		const confirm = await os.confirm({
 			type: 'question',
 			title: i18n.ts.doYouAgree,
-			text: i18n.t('iHaveReadXCarefullyAndAgree', {
+			text: i18n.tsx.iHaveReadXCarefullyAndAgree({
 				x: tosPrivacyPolicyLabel.value,
 			}),
 		});
@@ -135,7 +135,7 @@ async function updateAgreeNote(v: boolean) {
 		const confirm = await os.confirm({
 			type: 'question',
 			title: i18n.ts.doYouAgree,
-			text: i18n.t('iHaveReadXCarefullyAndAgree', { x: i18n.ts.basicNotesBeforeCreateAccount }),
+			text: i18n.tsx.iHaveReadXCarefullyAndAgree({ x: i18n.ts.basicNotesBeforeCreateAccount }),
 		});
 		if (confirm.canceled) return;
 		agreeNote.value = true;
diff --git a/packages/frontend/src/components/MkSubNoteContent.vue b/packages/frontend/src/components/MkSubNoteContent.vue
index 438140649e..13d0e6c2ca 100644
--- a/packages/frontend/src/components/MkSubNoteContent.vue
+++ b/packages/frontend/src/components/MkSubNoteContent.vue
@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkA v-if="note.renoteId" :class="$style.rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 	</div>
 	<details v-if="note.files.length > 0">
-		<summary>({{ i18n.t('withNFiles', { n: note.files.length }) }})</summary>
+		<summary>({{ i18n.tsx.withNFiles({ n: note.files.length }) }})</summary>
 		<MkMediaList :mediaList="note.files"/>
 	</details>
 	<details v-if="note.poll">
diff --git a/packages/frontend/src/components/MkTokenGenerateWindow.vue b/packages/frontend/src/components/MkTokenGenerateWindow.vue
index a42767e1b6..28f2f29b7d 100644
--- a/packages/frontend/src/components/MkTokenGenerateWindow.vue
+++ b/packages/frontend/src/components/MkTokenGenerateWindow.vue
@@ -33,12 +33,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkButton inline @click="enableAll">{{ i18n.ts.enableAll }}</MkButton>
 			</div>
 			<div class="_gaps_s">
-				<MkSwitch v-for="kind in Object.keys(permissionSwitches)" :key="kind" v-model="permissionSwitches[kind]">{{ i18n.t(`_permissions.${kind}`) }}</MkSwitch>
+				<MkSwitch v-for="kind in Object.keys(permissionSwitches)" :key="kind" v-model="permissionSwitches[kind]">{{ i18n.ts._permissions[kind] }}</MkSwitch>
 			</div>
 			<div v-if="iAmAdmin" :class="$style.adminPermissions">
 				<div :class="$style.adminPermissionsHeader"><b>{{ i18n.ts.adminPermission }}</b></div>
 				<div class="_gaps_s">
-					<MkSwitch v-for="kind in Object.keys(permissionSwitchesForAdmin)" :key="kind" v-model="permissionSwitchesForAdmin[kind]">{{ i18n.t(`_permissions.${kind}`) }}</MkSwitch>
+					<MkSwitch v-for="kind in Object.keys(permissionSwitchesForAdmin)" :key="kind" v-model="permissionSwitchesForAdmin[kind]">{{ i18n.ts._permissions[kind] }}</MkSwitch>
 				</div>
 			</div>
 		</div>
diff --git a/packages/frontend/src/components/MkTutorialDialog.vue b/packages/frontend/src/components/MkTutorialDialog.vue
index 963e78a1ff..9c3b46e133 100644
--- a/packages/frontend/src/components/MkTutorialDialog.vue
+++ b/packages/frontend/src/components/MkTutorialDialog.vue
@@ -133,7 +133,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 									<a href="https://misskey-hub.net/docs/for-users/" target="_blank" class="_link">{{ i18n.ts.help }}</a>
 								</template>
 							</I18n>
-							<div>{{ i18n.t('_initialAccountSetting.haveFun', { name: instance.name ?? host }) }}</div>
+							<div>{{ i18n.tsx._initialAccountSetting.haveFun({ name: instance.name ?? host }) }}</div>
 							<div class="_buttonsCenter" style="margin-top: 16px;">
 								<MkButton v-if="initialPage !== 4" rounded @click="page--"><i class="ti ti-arrow-left"></i> {{ i18n.ts.goBack }}</MkButton>
 								<MkButton rounded primary gradate @click="close(false)">{{ i18n.ts.close }}</MkButton>
diff --git a/packages/frontend/src/components/MkUserAnnouncementEditDialog.vue b/packages/frontend/src/components/MkUserAnnouncementEditDialog.vue
index af094a8e8c..9e3a78fe22 100644
--- a/packages/frontend/src/components/MkUserAnnouncementEditDialog.vue
+++ b/packages/frontend/src/components/MkUserAnnouncementEditDialog.vue
@@ -118,7 +118,7 @@ async function done() {
 async function del() {
 	const { canceled } = await os.confirm({
 		type: 'warning',
-		text: i18n.t('removeAreYouSure', { x: title.value }),
+		text: i18n.tsx.removeAreYouSure({ x: title.value }),
 	});
 	if (canceled) return;
 
diff --git a/packages/frontend/src/components/MkUserSetupDialog.Profile.vue b/packages/frontend/src/components/MkUserSetupDialog.Profile.vue
index 37aa677b44..f082833838 100644
--- a/packages/frontend/src/components/MkUserSetupDialog.Profile.vue
+++ b/packages/frontend/src/components/MkUserSetupDialog.Profile.vue
@@ -68,7 +68,7 @@ function setAvatar(ev) {
 
 		const { canceled } = await os.confirm({
 			type: 'question',
-			text: i18n.t('cropImageAsk'),
+			text: i18n.ts.cropImageAsk,
 			okText: i18n.ts.cropYes,
 			cancelText: i18n.ts.cropNo,
 		});
diff --git a/packages/frontend/src/components/MkUserSetupDialog.vue b/packages/frontend/src/components/MkUserSetupDialog.vue
index 05b55f77a7..4b0c540829 100644
--- a/packages/frontend/src/components/MkUserSetupDialog.vue
+++ b/packages/frontend/src/components/MkUserSetupDialog.vue
@@ -93,7 +93,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div class="_gaps" style="text-align: center;">
 							<i class="ti ti-bell-ringing-2" style="display: block; margin: auto; font-size: 3em; color: var(--accent);"></i>
 							<div style="font-size: 120%;">{{ i18n.ts.pushNotification }}</div>
-							<div style="padding: 0 16px;">{{ i18n.t('_initialAccountSetting.pushNotificationDescription', { name: instance.name ?? host }) }}</div>
+							<div style="padding: 0 16px;">{{ i18n.tsx._initialAccountSetting.pushNotificationDescription({ name: instance.name ?? host }) }}</div>
 							<MkPushNotificationAllowButton primary showOnlyToRegister style="margin: 0 auto;"/>
 							<div class="_buttonsCenter" style="margin-top: 16px;">
 								<MkButton rounded data-cy-user-setup-back @click="page--"><i class="ti ti-arrow-left"></i> {{ i18n.ts.goBack }}</MkButton>
@@ -110,7 +110,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div class="_gaps" style="text-align: center;">
 							<i class="ti ti-check" style="display: block; margin: auto; font-size: 3em; color: var(--accent);"></i>
 							<div style="font-size: 120%;">{{ i18n.ts._initialAccountSetting.initialAccountSettingCompleted }}</div>
-							<div>{{ i18n.t('_initialAccountSetting.youCanContinueTutorial', { name: instance.name ?? host }) }}</div>
+							<div>{{ i18n.tsx._initialAccountSetting.youCanContinueTutorial({ name: instance.name ?? host }) }}</div>
 							<div class="_buttonsCenter" style="margin-top: 16px;">
 								<MkButton rounded primary gradate data-cy-user-setup-continue @click="launchTutorial()">{{ i18n.ts._initialAccountSetting.startTutorial }} <i class="ti ti-arrow-right"></i></MkButton>
 							</div>
diff --git a/packages/frontend/src/components/MkWidgets.vue b/packages/frontend/src/components/MkWidgets.vue
index ee4e29dd8f..b8b253de06 100644
--- a/packages/frontend/src/components/MkWidgets.vue
+++ b/packages/frontend/src/components/MkWidgets.vue
@@ -9,7 +9,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<header :class="$style.editHeader">
 			<MkSelect v-model="widgetAdderSelected" style="margin-bottom: var(--margin)" data-cy-widget-select>
 				<template #label>{{ i18n.ts.selectWidget }}</template>
-				<option v-for="widget in widgetDefs" :key="widget" :value="widget">{{ i18n.t(`_widgets.${widget}`) }}</option>
+				<option v-for="widget in widgetDefs" :key="widget" :value="widget">{{ i18n.ts._widgets[widget] }}</option>
 			</MkSelect>
 			<MkButton inline primary data-cy-widget-add @click="addWidget"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
 			<MkButton inline @click="$emit('exit')">{{ i18n.ts.close }}</MkButton>
@@ -109,7 +109,7 @@ function onContextmenu(widget: Widget, ev: MouseEvent) {
 
 	os.contextMenu([{
 		type: 'label',
-		text: i18n.t(`_widgets.${widget.name}`),
+		text: i18n.ts._widgets[widget.name],
 	}, {
 		icon: 'ti ti-settings',
 		text: i18n.ts.settings,
diff --git a/packages/frontend/src/components/global/I18n.vue b/packages/frontend/src/components/global/I18n.vue
new file mode 100644
index 0000000000..162aa2bcf8
--- /dev/null
+++ b/packages/frontend/src/components/global/I18n.vue
@@ -0,0 +1,46 @@
+<template>
+<render/>
+</template>
+
+<script setup lang="ts" generic="T extends string | ParameterizedString">
+import { computed, h } from 'vue';
+import type { ParameterizedString } from '../../../../../locales/index.js';
+
+const props = withDefaults(defineProps<{
+	src: T;
+	tag?: string;
+	// eslint-disable-next-line vue/require-default-prop
+	textTag?: string;
+}>(), {
+	tag: 'span',
+});
+
+const slots = defineSlots<T extends ParameterizedString<infer R> ? { [K in R]: () => unknown } : NonNullable<unknown>>();
+
+const parsed = computed(() => {
+	let str = props.src as string;
+	const value: (string | { arg: string; })[] = [];
+	for (;;) {
+		const nextBracketOpen = str.indexOf('{');
+		const nextBracketClose = str.indexOf('}');
+
+		if (nextBracketOpen === -1) {
+			value.push(str);
+			break;
+		} else {
+			if (nextBracketOpen > 0) value.push(str.substring(0, nextBracketOpen));
+			value.push({
+				arg: str.substring(nextBracketOpen + 1, nextBracketClose),
+			});
+		}
+
+		str = str.substring(nextBracketClose + 1);
+	}
+
+	return value;
+});
+
+const render = () => {
+	return h(props.tag, parsed.value.map(x => typeof x === 'string' ? (props.textTag ? h(props.textTag, x) : x) : slots[x.arg]()));
+};
+</script>
diff --git a/packages/frontend/src/components/global/MkTime.stories.impl.ts b/packages/frontend/src/components/global/MkTime.stories.impl.ts
index 0eeefa4859..0e7f6a9bdf 100644
--- a/packages/frontend/src/components/global/MkTime.stories.impl.ts
+++ b/packages/frontend/src/components/global/MkTime.stories.impl.ts
@@ -123,7 +123,7 @@ export const DetailNow = {
 export const RelativeOneHourAgo = {
 	...Empty,
 	async play({ canvasElement }) {
-		await expect(canvasElement).toHaveTextContent(i18n.t('_ago.hoursAgo', { n: 1 }));
+		await expect(canvasElement).toHaveTextContent(i18n.tsx._ago.hoursAgo({ n: 1 }));
 	},
 	args: {
 		...Empty.args,
@@ -162,7 +162,7 @@ export const DetailOneHourAgo = {
 export const RelativeOneDayAgo = {
 	...Empty,
 	async play({ canvasElement }) {
-		await expect(canvasElement).toHaveTextContent(i18n.t('_ago.daysAgo', { n: 1 }));
+		await expect(canvasElement).toHaveTextContent(i18n.tsx._ago.daysAgo({ n: 1 }));
 	},
 	args: {
 		...Empty.args,
@@ -201,7 +201,7 @@ export const DetailOneDayAgo = {
 export const RelativeOneWeekAgo = {
 	...Empty,
 	async play({ canvasElement }) {
-		await expect(canvasElement).toHaveTextContent(i18n.t('_ago.weeksAgo', { n: 1 }));
+		await expect(canvasElement).toHaveTextContent(i18n.tsx._ago.weeksAgo({ n: 1 }));
 	},
 	args: {
 		...Empty.args,
@@ -240,7 +240,7 @@ export const DetailOneWeekAgo = {
 export const RelativeOneMonthAgo = {
 	...Empty,
 	async play({ canvasElement }) {
-		await expect(canvasElement).toHaveTextContent(i18n.t('_ago.monthsAgo', { n: 1 }));
+		await expect(canvasElement).toHaveTextContent(i18n.tsx._ago.monthsAgo({ n: 1 }));
 	},
 	args: {
 		...Empty.args,
@@ -279,7 +279,7 @@ export const DetailOneMonthAgo = {
 export const RelativeOneYearAgo = {
 	...Empty,
 	async play({ canvasElement }) {
-		await expect(canvasElement).toHaveTextContent(i18n.t('_ago.yearsAgo', { n: 1 }));
+		await expect(canvasElement).toHaveTextContent(i18n.tsx._ago.yearsAgo({ n: 1 }));
 	},
 	args: {
 		...Empty.args,
diff --git a/packages/frontend/src/components/global/MkTime.vue b/packages/frontend/src/components/global/MkTime.vue
index e11db9dc31..2b0bf246ad 100644
--- a/packages/frontend/src/components/global/MkTime.vue
+++ b/packages/frontend/src/components/global/MkTime.vue
@@ -55,21 +55,21 @@ const relative = computed<string>(() => {
 	if (invalid) return i18n.ts._ago.invalid;
 
 	return (
-		ago.value >= 31536000 ? i18n.t('_ago.yearsAgo', { n: Math.round(ago.value / 31536000).toString() }) :
-		ago.value >= 2592000 ? i18n.t('_ago.monthsAgo', { n: Math.round(ago.value / 2592000).toString() }) :
-		ago.value >= 604800 ? i18n.t('_ago.weeksAgo', { n: Math.round(ago.value / 604800).toString() }) :
-		ago.value >= 86400 ? i18n.t('_ago.daysAgo', { n: Math.round(ago.value / 86400).toString() }) :
-		ago.value >= 3600 ? i18n.t('_ago.hoursAgo', { n: Math.round(ago.value / 3600).toString() }) :
-		ago.value >= 60 ? i18n.t('_ago.minutesAgo', { n: (~~(ago.value / 60)).toString() }) :
-		ago.value >= 10 ? i18n.t('_ago.secondsAgo', { n: (~~(ago.value % 60)).toString() }) :
+		ago.value >= 31536000 ? i18n.tsx._ago.yearsAgo({ n: Math.round(ago.value / 31536000).toString() }) :
+		ago.value >= 2592000 ? i18n.tsx._ago.monthsAgo({ n: Math.round(ago.value / 2592000).toString() }) :
+		ago.value >= 604800 ? i18n.tsx._ago.weeksAgo({ n: Math.round(ago.value / 604800).toString() }) :
+		ago.value >= 86400 ? i18n.tsx._ago.daysAgo({ n: Math.round(ago.value / 86400).toString() }) :
+		ago.value >= 3600 ? i18n.tsx._ago.hoursAgo({ n: Math.round(ago.value / 3600).toString() }) :
+		ago.value >= 60 ? i18n.tsx._ago.minutesAgo({ n: (~~(ago.value / 60)).toString() }) :
+		ago.value >= 10 ? i18n.tsx._ago.secondsAgo({ n: (~~(ago.value % 60)).toString() }) :
 		ago.value >= -3 ? i18n.ts._ago.justNow :
-		ago.value < -31536000 ? i18n.t('_timeIn.years', { n: Math.round(-ago.value / 31536000).toString() }) :
-		ago.value < -2592000 ? i18n.t('_timeIn.months', { n: Math.round(-ago.value / 2592000).toString() }) :
-		ago.value < -604800 ? i18n.t('_timeIn.weeks', { n: Math.round(-ago.value / 604800).toString() }) :
-		ago.value < -86400 ? i18n.t('_timeIn.days', { n: Math.round(-ago.value / 86400).toString() }) :
-		ago.value < -3600 ? i18n.t('_timeIn.hours', { n: Math.round(-ago.value / 3600).toString() }) :
-		ago.value < -60 ? i18n.t('_timeIn.minutes', { n: (~~(-ago.value / 60)).toString() }) :
-		i18n.t('_timeIn.seconds', { n: (~~(-ago.value % 60)).toString() })
+		ago.value < -31536000 ? i18n.tsx._timeIn.years({ n: Math.round(-ago.value / 31536000).toString() }) :
+		ago.value < -2592000 ? i18n.tsx._timeIn.months({ n: Math.round(-ago.value / 2592000).toString() }) :
+		ago.value < -604800 ? i18n.tsx._timeIn.weeks({ n: Math.round(-ago.value / 604800).toString() }) :
+		ago.value < -86400 ? i18n.tsx._timeIn.days({ n: Math.round(-ago.value / 86400).toString() }) :
+		ago.value < -3600 ? i18n.tsx._timeIn.hours({ n: Math.round(-ago.value / 3600).toString() }) :
+		ago.value < -60 ? i18n.tsx._timeIn.minutes({ n: (~~(-ago.value / 60)).toString() }) :
+		i18n.tsx._timeIn.seconds({ n: (~~(-ago.value % 60)).toString() })
 	);
 });
 
diff --git a/packages/frontend/src/components/global/i18n.ts b/packages/frontend/src/components/global/i18n.ts
deleted file mode 100644
index 2f4d7edabd..0000000000
--- a/packages/frontend/src/components/global/i18n.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and other misskey contributors
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { h } from 'vue';
-
-export default function(props: { src: string; tag?: string; textTag?: string; }, { slots }) {
-	let str = props.src;
-	const parsed = [] as (string | { arg: string; })[];
-	while (true) {
-		const nextBracketOpen = str.indexOf('{');
-		const nextBracketClose = str.indexOf('}');
-
-		if (nextBracketOpen === -1) {
-			parsed.push(str);
-			break;
-		} else {
-			if (nextBracketOpen > 0) parsed.push(str.substring(0, nextBracketOpen));
-			parsed.push({
-				arg: str.substring(nextBracketOpen + 1, nextBracketClose),
-			});
-		}
-
-		str = str.substring(nextBracketClose + 1);
-	}
-
-	return h(props.tag ?? 'span', parsed.map(x => typeof x === 'string' ? (props.textTag ? h(props.textTag, x) : x) : slots[x.arg]()));
-}
diff --git a/packages/frontend/src/components/index.ts b/packages/frontend/src/components/index.ts
index a3e13c3a50..f3b476b15c 100644
--- a/packages/frontend/src/components/index.ts
+++ b/packages/frontend/src/components/index.ts
@@ -16,7 +16,7 @@ import MkUserName from './global/MkUserName.vue';
 import MkEllipsis from './global/MkEllipsis.vue';
 import MkTime from './global/MkTime.vue';
 import MkUrl from './global/MkUrl.vue';
-import I18n from './global/i18n.js';
+import I18n from './global/I18n.vue';
 import RouterView from './global/RouterView.vue';
 import MkLoading from './global/MkLoading.vue';
 import MkError from './global/MkError.vue';