feat(@formatjs/intl-unified-numberformat): add currencyDisplay… (#332)

add support for `currencyDisplay`: `narrowSymbol`

polyfill for tc39/ecma402#200

packages/formatjs/packages/formatjs-extract-cldr-data/src/extract-currencies.ts

@@ -0,0 +1,59 @@
+import * as Currencies from 'cldr-numbers-full/main/en/currencies.json';
+import {Locale} from './types';
+import generateFieldExtractorFn from './utils';
+import {sync as globSync} from 'glob';
+import {resolve, dirname} from 'path';
+import {CurrencyData} from '@formatjs/intl-utils';
+import {mapValues} from 'lodash';
+
+export type Currencies = typeof Currencies['main']['en']['numbers']['currencies'];
+
+export function getAllLocales() {
+  return globSync('*/currencies.json', {
+    cwd: resolve(
+      dirname(require.resolve('cldr-numbers-full/package.json')),
+      './main'
+    ),
+  }).map(dirname);
+}
+
+const currenciesLocales = getAllLocales();
+
+function loadCurrencies(locale: Locale): Record<string, CurrencyData> {
+  const jsonData = require(`cldr-numbers-full/main/${locale}/currencies.json`) as typeof Currencies;
+  return mapValues<
+    Record<
+      string,
+      {
+        displayName: string;
+        'displayName-count-one'?: string;
+        'displayName-count-other': string;
+        symbol: string;
+        'symbol-alt-narrow'?: string;
+        'symbol-alt-variant'?: string;
+      }
+    >,
+    CurrencyData
+  >(jsonData.main[locale as 'en'].numbers.currencies, currencyData => {
+    return {
+      displayName: {
+        one: currencyData['displayName-count-one'],
+        other:
+          currencyData['displayName-count-other'] || currencyData.displayName,
+      },
+      symbol: currencyData.symbol,
+      narrowSymbol: currencyData['symbol-alt-narrow'],
+      variantSymbol: currencyData['symbol-alt-variant'],
+    };
+  });
+}
+
+function hasCurrencies(locale: Locale): boolean {
+  return currenciesLocales.includes(locale);
+}
+
+export default generateFieldExtractorFn<Record<string, CurrencyData>>(
+  loadCurrencies,
+  hasCurrencies,
+  getAllLocales()
+);

packages/formatjs/packages/formatjs-extract-cldr-data/src/index.ts

@@ -9,9 +9,12 @@ import extractRelativeFields, {
 import extractUnits, {
   getAllLocales as getAllUnitsLocales,
 } from './extract-units';
-import extracListPatterns, {
+import extractListPatterns, {
   getAllLocales as getAllListLocales,
 } from './extract-list';
+import extractCurrencies, {
+  getAllLocales as getAllCurrenciesLocales,
+} from './extract-currencies';
 
 export interface Opts {
   locales?: string[];
@@ -32,7 +35,13 @@ export function extractAllUnits(options: Opts = {}) {
 export function extractAllListPatterns(options: Opts = {}) {
   // Default to all CLDR locales if none have been provided.
   const locales = options.locales || getAllListLocales();
-  return extracListPatterns(locales);
+  return extractListPatterns(locales);
+}
+
+export function extractAllCurrencies(options: Opts = {}) {
+  // Default to all CLDR locales if none have been provided.
+  const locales = options.locales || getAllCurrenciesLocales();
+  return extractCurrencies(locales);
 }
 
 export {getAllLanguages} from './locales';
@@ -41,3 +50,4 @@ export const processAliases = process;
 export {getAllLocales as getAllDateFieldsLocales} from './extract-relative';
 export {getAllLocales as getAllListLocales} from './extract-list';
 export {getAllLocales as getAllUnitsLocales} from './extract-units';
+export {getAllLocales as getAllCurrenciesLocales} from './extract-currencies';