Function formatSymbolForTradingView

lib/utils.ts:215–233

(symbol: string)

};

export function formatSymbolForTradingView(symbol: string): string {
    if (!symbol) return '';
    const upperSymbol = symbol.toUpperCase();

    // Check for known exchange suffixes, trying longer suffixes first
    // to avoid ".TWO" matching ".TW" prematurely
    const suffixes = Object.keys(FINNHUB_TO_TRADINGVIEW_EXCHANGE)
        .sort((a, b) => b.length - a.length);

    for (const suffix of suffixes) {
        if (upperSymbol.endsWith(suffix.toUpperCase())) {
            const ticker = upperSymbol.slice(0, -suffix.length);
            const exchange = FINNHUB_TO_TRADINGVIEW_EXCHANGE[suffix];
            return `${exchange}:${ticker}`;
        }
    }

    return upperSymbol;
}