Symbol fallback (#129)

* fix(currency): symbol fallback

* test(currency): add case for lang/locale pair without explicit symbol

Author: kirchoni

src/cldr/currency.js

@@ -112,7 +112,7 @@ export function currencyDisplay(locale, options) {
     let result;
 
     if (currencyDisplay === SYMBOL) {
-        result = currencyInfo["symbol-alt-narrow"] || currencyInfo[SYMBOL];
+        result = currencyInfo["symbol-alt-narrow"] || currencyInfo[SYMBOL] || currency;
     } else {
         if (typeof value === "undefined" || value !== 1) {
             result = currencyInfo["displayName-count-other"];

test/numbers.test.js

@@ -6,7 +6,10 @@ const numbers = require("cldr-numbers-full/main/bg/numbers.json");
 const currencies = require("cldr-numbers-full/main/bg/currencies.json");
 const currencyData = require("cldr-core/supplemental/currencyData.json");
 
-load(likelySubtags, currencyData, numbers, currencies);
+const localNumbers = require("cldr-numbers-full/main/de-CH/numbers.json");
+const localCurrencies = require("cldr-numbers-full/main/de-CH/currencies.json");
+
+load(likelySubtags, currencyData, numbers, currencies, localNumbers, localCurrencies);
 
 function loadCustom(options) {
     load({
@@ -300,6 +303,10 @@ describe('standard currency formatting', () => {
         expect(formatNumber(10, "c", "bg-BG")).toEqual("10,00 лв.");
     });
 
+    it("should apply format when passing language and territory without symbol", () => {
+        expect(formatNumber(10, "c", "de-CH")).toEqual("CHF 10.00");
+    });
+
     it("should apply format when passing object", () => {
         expect(formatNumber(10, { style: "currency" })).toEqual("$10.00");
     });