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Tighten search exchange suffix fallback

This commit is contained in:
keshav-005 2026-04-22 23:51:04 +05:30
parent 6bc464acce
commit 2c193bfacb
1 changed files with 17 additions and 2 deletions
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19
lib/actions/finnhub.actions.ts
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@ -26,6 +26,13 @@ type SearchStockCandidate = FinnhubSearchResult & {
__exchange?: string; __exchange?: string;
}; };
const FINNHUB_EXCHANGE_SUFFIXES = new Set([
'AS', 'AT', 'AX', 'BA', 'BK', 'BO', 'BR', 'CO', 'DE', 'F', 'HE', 'HK',
'IL', 'IS', 'JK', 'JO', 'KL', 'KQ', 'KS', 'L', 'LS', 'MC', 'MI', 'MX',
'NS', 'NZ', 'OL', 'PA', 'PR', 'SA', 'SI', 'SS', 'ST', 'SW', 'SZ', 'T',
'TA', 'TO', 'TW', 'TWO', 'V', 'VI', 'WA',
]);
async function fetchJSON<T>(url: string, revalidateSeconds?: number): Promise<T> { async function fetchJSON<T>(url: string, revalidateSeconds?: number): Promise<T> {
const options: RequestInit & { next?: { revalidate?: number } } = revalidateSeconds const options: RequestInit & { next?: { revalidate?: number } } = revalidateSeconds
? { cache: 'force-cache', next: { revalidate: revalidateSeconds } } ? { cache: 'force-cache', next: { revalidate: revalidateSeconds } }
@ -47,9 +54,17 @@ function getExchangeLabel(symbol: string, exchange?: string) {
} }
const parts = symbol.split('.'); const parts = symbol.split('.');
const suffix = parts.length > 1 ? parts[parts.length - 1] : ''; const suffix = parts.length > 1 ? parts[parts.length - 1].toUpperCase() : '';
return suffix || 'US'; if (!suffix) {
return 'US';
}
if (FINNHUB_EXCHANGE_SUFFIXES.has(suffix) || suffix.length >= 2) {
return suffix;
}
return 'US';
} }
export async function getQuote(symbol: string) { export async function getQuote(symbol: string) {