Function getPinoKey

packages/node-core/src/integrations/pino.ts:30–40

* Gets a custom Pino key from a logger instance by searching for the symbol. * Pino uses non-global symbols like Symbol('pino.messageKey'): https://github.com/pinojs/pino/blob/8a816c0b1f72de5ae9181f3bb402109b66f7d812/lib/symbols.js

(logger: Pino, symbolName: string, defaultKey: string)

 * Pino uses non-global symbols like Symbol('pino.messageKey'): https://github.com/pinojs/pino/blob/8a816c0b1f72de5ae9181f3bb402109b66f7d812/lib/symbols.js
 */
function getPinoKey(logger: Pino, symbolName: string, defaultKey: string): string {
  const symbols = Object.getOwnPropertySymbols(logger);
  const symbolString = `Symbol(${symbolName})`;
  for (const sym of symbols) {
    if (sym.toString() === symbolString) {
      const value = logger[sym];
      return typeof value === 'string' ? value : defaultKey;
    }
  }
  return defaultKey;
}

type MergeObject = {
  [key: string]: unknown;