webapp: replace own formatNumber by vue-i18n $n

webapp/src/components/InverterChannelInfo.vue

@@ -19,7 +19,12 @@
                     <tr v-for="(property, key) in channelData" :key="`prop-${key}`">
                         <template v-if="key != 'name' && property">
                             <th scope="row">{{ $t('inverterchannelproperty.' + key) }}</th>
-                            <td style="text-align: right">{{ formatNumber(property.v, property.d) }}</td>
+                            <td style="text-align: right">
+                                {{ $n(property.v, 'decimal', {
+                                    minimumFractionDigits: property.d,
+                                    maximumFractionDigits: property.d})
+                                }}
+                             </td>
                             <td>{{ property.u }}</td>
                         </template>
                     </tr>
@@ -31,7 +36,6 @@
 
 <script lang="ts">
 import type { InverterStatistics } from '@/types/LiveDataStatus';
-import { formatNumber } from '@/utils';
 import { defineComponent, type PropType } from 'vue';
 
 export default defineComponent({
@@ -39,8 +43,5 @@ export default defineComponent({
         channelData: { type: Object as PropType<InverterStatistics>, required: true },
         channelNumber: { type: Number, required: true },
     },
-    methods: {
-        formatNumber,
-    },
 });
 </script>

webapp/src/components/InverterTotalInfo.vue

@@ -4,7 +4,11 @@
             <div class="card">
                 <div class="card-header text-bg-success">{{ $t('invertertotalinfo.TotalYieldTotal') }}</div>
                 <div class="card-body card-text text-center">
-                    <h2>{{ formatNumber(totalData.YieldTotal.v, totalData.YieldTotal.d) }}
+                    <h2>
+                        {{ $n(totalData.YieldTotal.v, 'decimal', {
+                                minimumFractionDigits: totalData.YieldTotal.d,
+                                maximumFractionDigits: totalData.YieldTotal.d
+                            })}}
                         <small class="text-muted">{{ totalData.YieldTotal.u }}</small>
                     </h2>
                 </div>
@@ -14,7 +18,11 @@
             <div class="card">
                 <div class="card-header text-bg-success">{{ $t('invertertotalinfo.TotalYieldDay') }}</div>
                 <div class="card-body card-text text-center">
-                    <h2>{{ formatNumber(totalData.YieldDay.v, totalData.YieldDay.d) }}
+                    <h2>
+                        {{ $n(totalData.YieldDay.v, 'decimal', {
+                                minimumFractionDigits: totalData.YieldDay.d,
+                                maximumFractionDigits: totalData.YieldDay.d
+                            })}}
                         <small class="text-muted">{{ totalData.YieldDay.u }}</small>
                     </h2>
                 </div>
@@ -24,7 +32,11 @@
             <div class="card">
                 <div class="card-header text-bg-success">{{ $t('invertertotalinfo.TotalPower') }}</div>
                 <div class="card-body card-text text-center">
-                    <h2>{{ formatNumber(totalData.Power.v, totalData.Power.d) }}
+                    <h2>
+                        {{ $n(totalData.Power.v, 'decimal', {
+                                minimumFractionDigits: totalData.Power.d,
+                                maximumFractionDigits: totalData.Power.d
+                            })}}
                         <small class="text-muted">{{ totalData.Power.u }}</small>
                     </h2>
                 </div>
@@ -35,15 +47,11 @@
 
 <script lang="ts">
 import type { Total } from '@/types/LiveDataStatus';
-import { formatNumber } from '@/utils';
 import { defineComponent, type PropType } from 'vue';
 
 export default defineComponent({
     props: {
         totalData: { type: Object as PropType<Total>, required: true },
     },
-    methods: {
-        formatNumber,
-    },
 });
 </script>

webapp/src/locales/index.ts

@@ -57,4 +57,49 @@ export const dateTimeFormats: I18nOptions["datetimeFormats"] = {
     }
 };
 
+export const numberFormats: I18nOptions["numberFormats"] = {
+    [Locales.EN]: {
+        decimal: {
+            style: 'decimal',
+        },
+        decimalNoDigits: {
+            style: 'decimal', minimumFractionDigits: 0, maximumFractionDigits: 0
+        },
+        decimalTwoDigits: {
+            style: 'decimal', minimumFractionDigits: 2, maximumFractionDigits: 2
+        },
+        percent: {
+            style: 'percent',
+        },
+    },
+    [Locales.DE]: {
+        decimal: {
+            style: 'decimal',
+        },
+        decimalNoDigits: {
+            style: 'decimal', minimumFractionDigits: 0, maximumFractionDigits: 0
+        },
+        decimalTwoDigits: {
+            style: 'decimal', minimumFractionDigits: 2, maximumFractionDigits: 2
+        },
+        percent: {
+            style: 'percent',
+        },
+    },
+    [Locales.FR]: {
+        decimal: {
+            style: 'decimal',
+        },
+        decimalNoDigits: {
+            style: 'decimal', minimumFractionDigits: 0, maximumFractionDigits: 0
+        },
+        decimalTwoDigits: {
+            style: 'decimal', minimumFractionDigits: 2, maximumFractionDigits: 2
+        },
+        percent: {
+          style: 'percent',
+        },
+    },
+};
+
 export const defaultLocale = Locales.EN;

webapp/src/main.ts

@@ -2,7 +2,7 @@ import mitt from 'mitt'
 import { createApp } from 'vue'
 import { createI18n } from 'vue-i18n'
 import App from './App.vue'
-import { defaultLocale, messages, dateTimeFormats } from './locales'
+import { defaultLocale, messages, dateTimeFormats, numberFormats } from './locales'
 import { tooltip } from './plugins/bootstrap'
 import router from './router'
 
@@ -23,6 +23,7 @@ const i18n = createI18n({
     fallbackLocale: defaultLocale,
     messages,
     datetimeFormats: dateTimeFormats,
+    numberFormats: numberFormats
 })
 
 app.use(router)

webapp/src/utils/index.ts

@@ -1,10 +1,8 @@
 import { isLoggedIn, login, logout } from './authentication';
-import { formatNumber } from './number';
 import { timestampToString } from './time';
 
 export {
     timestampToString,
-    formatNumber,
     login,
     logout,
     isLoggedIn,
@@ -12,7 +10,6 @@ export {
 
 export default {
     timestampToString,
-    formatNumber,
     login,
     logout,
     isLoggedIn,

webapp/src/utils/number.ts

@@ -1,5 +0,0 @@
-export const formatNumber = (num: number, digits: number): string => {
-    return new Intl.NumberFormat(
-        undefined, { minimumFractionDigits: digits, maximumFractionDigits: digits }
-    ).format(num);
-}

webapp/src/views/HomeView.vue

@@ -41,8 +41,8 @@
                                     </div>
                                     <div style="padding-right: 2em;">
                                         {{ $t('home.CurrentLimit') }}<template v-if="inverter.limit_absolute > -1"> {{
-                                                formatNumber(inverter.limit_absolute, 0)
-                                        }} W | </template>{{ formatNumber(inverter.limit_relative, 0) }} %
+                                                $n(inverter.limit_absolute, 'decimalNoDigits')
+                                        }} W | </template>{{ $n(inverter.limit_relative / 100, 'percent') }}
                                     </div>
                                     <div style="padding-right: 2em;">
                                         {{ $t('home.DataAge') }} {{ $t('home.Seconds', {'val': inverter.data_age }) }}
@@ -320,7 +320,6 @@ import type { EventlogItems } from '@/types/EventlogStatus';
 import type { LimitConfig } from '@/types/LimitConfig';
 import type { LimitStatus } from '@/types/LimitStatus';
 import type { Inverter, LiveData } from '@/types/LiveDataStatus';
-import { formatNumber } from '@/utils';
 import { authHeader, authUrl, handleResponse, isLoggedIn } from '@/utils/authentication';
 import * as bootstrap from 'bootstrap';
 import {
@@ -439,19 +438,20 @@ export default defineComponent({
     computed: {
         currentLimitAbsolute(): string {
             if (this.currentLimitList.max_power > 0) {
-                return formatNumber(this.currentLimitList.limit_relative * this.currentLimitList.max_power / 100, 2);
+                return this.$n(this.currentLimitList.limit_relative * this.currentLimitList.max_power / 100,
+                    'decimalTwoDigits');
             }
             return "0";
         },
         currentLimitRelative(): string {
-            return formatNumber(this.currentLimitList.limit_relative, 2);
+            return this.$n(this.currentLimitList.limit_relative,
+                'decimalTwoDigits');
         },
         inverterData(): Inverter[] {
             return this.liveData.inverters;
         }
     },
     methods: {
-        formatNumber,
         isLoggedIn,
         getInitialData() {
             this.dataLoading = true;