Function fetchSymbol

src/hooks/useMarketData.ts:180–199

(
    symbol: string,
    provider: MarketProvider,
    apiKey?: string,
)

// --- Dispatcher ---
async function fetchSymbol(
    symbol: string,
    provider: MarketProvider,
    apiKey?: string,
): Promise<MarketQuote> {
    const hasPermission = await checkHostPermission(provider);
    if (!hasPermission) throw new Error('Host permission not granted');

    switch (provider) {
        case 'finnhub':
            if (!apiKey) throw new Error('Finnhub requires an API key');
            return fetchFinnhub(symbol, apiKey);
        case 'twelvedata':
            if (!apiKey) throw new Error('Twelve Data requires an API key');
            return fetchTwelveData(symbol, apiKey);
        case 'yahoo':
        default:
            return fetchYahoo(symbol);
    }
}

// --- Hook ---
export function useMarketData(