renovate/lib/modules/versioning/index.ts

import { logger } from '../../logger';
import versionings from './api';
import { isVersioningApiConstructor } from './common';
import type { VersioningApi, VersioningApiConstructor } from './types';

export * from './types';

export const getVersioningList = (): string[] => Array.from(versionings.keys());
/**
 * Get versioning map. Can be used to dynamically add new versioning type
 */
export const getVersionings = (): Map<
  string,
  VersioningApi | VersioningApiConstructor
> => versionings;

export function get(versioning: string | undefined): VersioningApi {
  if (!versioning) {
    logger.trace('Missing versioning, using semver as fallback.');
    return versionings.get('semver') as VersioningApi;
  }
  const [versioningName, ...versioningRest] = versioning.split(':');
  const versioningConfig = versioningRest.length
    ? versioningRest.join(':')
    : undefined;

  const theVersioning = versionings.get(versioningName);
  if (!theVersioning) {
    logger.info({ versioning }, 'Unknown versioning - defaulting to semver');
    return versionings.get('semver') as VersioningApi;
  }
  if (isVersioningApiConstructor(theVersioning)) {
    return new theVersioning(versioningConfig);
  }
  return theVersioning;
}