Function getChangesForTarget

src/cdk/schematics/update-tool/version-changes.ts:31–38

(target: TargetVersion, data: VersionChanges<T>)

 * easy iterable array.
 */
export function getChangesForTarget<T>(target: TargetVersion, data: VersionChanges<T>): T[] {
  if (!data) {
    const version = (TargetVersion as Record<string, string>)[target];
    throw new Error(`No data could be found for target version: ${version}`);
  }

  return (data[target] || []).reduce((result, prData) => result.concat(prData.changes), [] as T[]);
}

/**
 * Gets all changes from the specified version changes object. This is helpful in case a migration