@ledgerhq/live-common
Version:
Common ground for the Ledger Live apps
48 lines • 1.84 kB
JavaScript
import { makeRe } from "minimatch";
import { isCryptoCurrency, isTokenCurrency, listCurrencies } from "../currencies";
import { PlatformCurrencyType, PLATFORM_FAMILIES, } from "./types";
import { includes } from "../helpers";
export function isPlatformSupportedCurrency(currency) {
if (isCryptoCurrency(currency)) {
return includes(PLATFORM_FAMILIES, currency.family);
}
if (isTokenCurrency(currency)) {
return includes(PLATFORM_FAMILIES, currency.parentCurrency.family);
}
return false;
}
export function isPlatformCryptoCurrency(currency) {
return currency.type === PlatformCurrencyType.CryptoCurrency;
}
export function isPlatformTokenCurrency(currency) {
return currency.type === PlatformCurrencyType.TokenCurrency;
}
export function isPlatformERC20TokenCurrency(currency) {
return currency.standard === "ERC20";
}
export function filterCurrencies(currencies, filters) {
const filterCurrencyRegexes = filters.currencies
? filters.currencies.map(filter => makeRe(filter))
: null;
return currencies.filter(currency => {
if (!filters.includeTokens && isTokenCurrency(currency)) {
return false;
}
if (filterCurrencyRegexes &&
filterCurrencyRegexes.length &&
!filterCurrencyRegexes.some(regex => currency.id.match(regex))) {
return false;
}
return true;
});
}
export function listAndFilterCurrencies({ includeTokens = false, currencies, }) {
// We removed the filtering with `isPlatformSupportedCurrency`
// As we want to show all the currencies in the requestAccount drawer
const allCurrencies = listCurrencies(includeTokens);
return filterCurrencies(allCurrencies, {
includeTokens,
currencies,
});
}
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