Function getIntegrationsToSetup

packages/core/src/integration.ts:46–69

(
  options: Pick<CoreOptions, 'defaultIntegrations' | 'integrations'>,
)

/** Gets integrations to install */
export function getIntegrationsToSetup(
  options: Pick<CoreOptions, 'defaultIntegrations' | 'integrations'>,
): Integration[] {
  const defaultIntegrations = options.defaultIntegrations || [];
  const userIntegrations = options.integrations;

  // We flag default instances, so that later we can tell them apart from any user-created instances of the same class
  defaultIntegrations.forEach((integration: IntegrationWithDefaultInstance) => {
    integration.isDefaultInstance = true;
  });

  let integrations: Integration[];

  if (Array.isArray(userIntegrations)) {
    integrations = [...defaultIntegrations, ...userIntegrations];
  } else if (typeof userIntegrations === 'function') {
    const resolvedUserIntegrations = userIntegrations(defaultIntegrations);
    integrations = Array.isArray(resolvedUserIntegrations) ? resolvedUserIntegrations : [resolvedUserIntegrations];
  } else {
    integrations = defaultIntegrations;
  }

  return filterDuplicates(integrations);
}

/**
 * Given a list of integration instances this installs them all. When `withDefaults` is set to `true` then all default