Function createSource

packages/shared/src/utils/polyvinyl.ts:128–135

(
  poly: Pick<ChallengeFile, 'contents' | 'source'> & Rest
)

// createSource(poly: PolyVinyl) => PolyVinyl
export function createSource<Rest>(
  poly: Pick<ChallengeFile, 'contents' | 'source'> & Rest
): Rest & { contents: string; source: string } {
  return {
    ...poly,
    source: poly.source ?? poly.contents
  };
}