support currency symbol

src/filters/currency.js

@@ -1,3 +1,4 @@
+import currency from "../consts/currency.js";
 import settings from "../lib/settings.js";
 import utils from "../lib/utils.js";
 
@@ -49,6 +50,20 @@ export default function ({i18n}, value, currencyCode) {
     } else if (currencyDisplayMode === 'name') {
         const currencyName = i18n.t(`currency.${currencyCode}`);
         return `${value} ${currencyName}`;
+    } else if (currencyDisplayMode === 'symbol') {
+        const currencyInfo = currency.all[currencyCode];
+        let currencySymbol = currency.defaultCurrencySymbol;
+
+        if (currencyInfo && currencyInfo.symbol) {
+            currencySymbol = currencyInfo.symbol;
+        } else if (currencyInfo && currencyInfo.code) {
+            currencySymbol = currencyInfo.code;
+        }
+
+        return i18n.t('format.currency.symbol', {
+            amount: value,
+            symbol: currencySymbol
+        });
     } else {
         return value;
     }