Refactoring of i18n (#3165)

Refactoring of i18n

src/client/app/mobile/views/widgets/activity.vue

@@ -1,7 +1,7 @@
 <template>
 <div class="mkw-activity">
 	<mk-widget-container :show-header="!props.compact">
-		<template slot="header"><fa icon="chart-bar"/>%i18n:@activity%</template>
+		<template slot="header"><fa icon="chart-bar"/>{{ $t('activity') }}</template>
 		<div :class="$style.body">
 			<mk-activity :user="$store.state.i"/>
 		</div>
@@ -11,6 +11,7 @@
 
 <script lang="ts">
 import define from '../../../common/define-widget';
+import i18n from '../../../i18n';
 
 export default define({
 	name: 'activity',
@@ -18,6 +19,7 @@ export default define({
 		compact: false
 	})
 }).extend({
+	i18n: i18n(),
 	methods: {
 		func() {
 			this.props.compact = !this.props.compact;