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react-native-format-currency
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A lightweight international currency formatter for React Native & Expo (iOS and Android). Check out the example app for a working demo.
$ yarn add react-native-format-currency
or
$ npm install react-native-format-currency
Import library with
import { formatCurrency, getSupportedCurrencies } from "react-native-format-currency";
formatCurrency({ amount: _number_, code: _string_})
formatCurrency({ amount: 1234.56, code: "ARS" })
Formats a currency amount to specified currency code:
const [valueFormattedWithSymbol, valueFormattedWithoutSymbol, symbol] = formatCurrency({ amount: 1234.56, code: "ARS" })
Props
Prop | Type | Default | Note |
---|---|---|---|
amount | Number | null | currency amount |
code | String | null | 3-letter ISO 4217 Currency Code |
Returns:
Array containing formatted currency string, formatted currency (without symbol), and currency symbol
["$ 1.234,56", "1.234,56", "$"]
getSupportedCurrencies()
getSupportedCurrencies()
Returns an array of currencies:
[
{ code: "ARS", name: "Argentina Peso" },
{ code: "AUD", name: "Australia Dollar" },
{ code: "BGN", name: "Bulgaria Lev" },
{ code: "BRL", name: "Brazil Real" },
{ code: "CAD", name: "Canada Dollar" },
{ code: "CHF", name: "Switzerland Franc" },
{ code: "CLP", name: "Chile Peso" },
{ code: "CNY", name: "China Yuan Renminbi" },
{ code: "COP", name: "Colombia Peso" },
{ code: "CZK", name: "Czech Republic Koruna" },
{ code: "DKK", name: "Denmark Krone" },
{ code: "EUR", name: "Euro Member Countries" },
{ code: "GBP", name: "United Kingdom Pound" },
{ code: "HKD", name: "Hong Kong Dollar" },
...
]
Check out the example app for a working demo.
import { StatusBar } from "expo-status-bar";
import React, { useState } from "react";
import {
FlatList,
SafeAreaView,
StyleSheet,
Text,
TextInput,
View,
} from "react-native";
import {
formatCurrency,
getSupportedCurrencies,
} from "react-native-format-currency";
export default function App() {
const [inputValue, setInputValue] = useState("1234.56");
// get all of the supported currency codes
const currencyCodes = getSupportedCurrencies();
// loop through each currency code and show formatted value
const renderItem = ({ item }) => {
const [valueFormattedWithSymbol, valueFormattedWithoutSymbol, symbol] =
formatCurrency({ amount: Number(inputValue), code: item.code });
return (
<View style={styles.currencyRow}>
<Text style={styles.currencyRowText}>
{item.code} {symbol}
</Text>
<Text style={styles.currencyRowText}>{item.name}</Text>
<Text style={styles.currencyRowText}>{valueFormattedWithSymbol}</Text>
</View>
);
};
return (
<SafeAreaView style={styles.container}>
<View style={styles.inputContainer}>
<TextInput
style={styles.input}
textAlign="center"
value={inputValue}
onChangeText={(value) => setInputValue(value)}
keyboardType="decimal-pad"
/>
</View>
<FlatList
style={styles.scrollView}
data={currencyCodes}
renderItem={renderItem}
keyExtractor={(code) => code.code}
/>
<StatusBar style="auto" />
</SafeAreaView>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: "#fff",
alignItems: "flex-start",
},
inputContainer: {
flex: 1,
alignSelf: "stretch",
marginTop: 10,
marginBottom: 15,
},
input: {
backgroundColor: "#eee",
height: 38,
fontSize: 30,
fontWeight: "bold",
},
scrollView: {
width: "100%",
paddingHorizontal: 5,
marginTop: 40,
marginBottom: 40,
},
currencyRow: {
flex: 1,
flexDirection: "row",
justifyContent: "space-between",
},
currencyRowText: {
alignContent: "flex-start",
color: "#000",
fontSize: 16,
},
});
yarn build
yarn test
Feel free to submit a PR if you'd like to help!
FAQs
A lightweight international currency formatter for React Native & Expo (iOS and Android).
The npm package react-native-format-currency receives a total of 1,091 weekly downloads. As such, react-native-format-currency popularity was classified as popular.
We found that react-native-format-currency demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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