Function patchConfig

libs/langchain-core/src/runnables/config.ts:245–281

(
  config: Partial<CallOptions> = {},
  {
    callbacks,
    maxConcurrency,
    recursionLimit,
    runName,
    configurable,
    runId,
  }: RunnableConfig = {}
)

 * Helper function that patches runnable configs with updated properties.
 */
export function patchConfig<CallOptions extends RunnableConfig>(
  config: Partial<CallOptions> = {},
  {
    callbacks,
    maxConcurrency,
    recursionLimit,
    runName,
    configurable,
    runId,
  }: RunnableConfig = {}
): Partial<CallOptions> {
  const newConfig = ensureConfig(config);
  if (callbacks !== undefined) {
    /**
     * If we're replacing callbacks we need to unset runName
     * since that should apply only to the same run as the original callbacks
     */
    delete newConfig.runName;
    newConfig.callbacks = callbacks;
  }
  if (recursionLimit !== undefined) {
    newConfig.recursionLimit = recursionLimit;
  }
  if (maxConcurrency !== undefined) {
    newConfig.maxConcurrency = maxConcurrency;
  }
  if (runName !== undefined) {
    newConfig.runName = runName;
  }
  if (configurable !== undefined) {
    newConfig.configurable = { ...newConfig.configurable, ...configurable };
  }
  if (runId !== undefined) {
    delete newConfig.runId;
  }
  return newConfig;
}

// oxlint-disable-next-line @typescript-eslint/no-explicit-any
export function pickRunnableConfigKeys<CallOptions extends Record<string, any>>(