Prepare repository for merge

javascript/snippets/to-currency.md

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+---
+title: Number to currency string
+type: snippet
+tags: [math,string]
+cover: planning
+dateModified: 2020-10-22T20:24:30+03:00
+---
+
+Takes a number and returns it in the specified currency formatting.
+
+- Use `Intl.NumberFormat` to enable country / currency sensitive formatting.
+
+```js
+const toCurrency = (n, curr, LanguageFormat = undefined) =>
+  Intl.NumberFormat(LanguageFormat, {
+    style: 'currency',
+    currency: curr,
+  }).format(n);
+```
+
+```js
+toCurrency(123456.789, 'EUR');
+// €123,456.79  | currency: Euro | currencyLangFormat: Local
+toCurrency(123456.789, 'USD', 'en-us');
+// $123,456.79  | currency: US Dollar | currencyLangFormat: English (United States)
+toCurrency(123456.789, 'USD', 'fa');
+// ۱۲۳٬۴۵۶٫۷۹ ؜$ | currency: US Dollar | currencyLangFormat: Farsi
+toCurrency(322342436423.2435, 'JPY');
+// ¥322,342,436,423 | currency: Japanese Yen | currencyLangFormat: Local
+toCurrency(322342436423.2435, 'JPY', 'fi');
+// 322 342 436 423 ¥ | currency: Japanese Yen | currencyLangFormat: Finnish
+```