Function createPoly

packages/shared/src/utils/polyvinyl.ts:37–59

({
  name,
  ext,
  contents,
  history,
  ...rest
}: PolyProps & Rest)

};

export function createPoly<Rest>({
  name,
  ext,
  contents,
  history,
  ...rest
}: PolyProps & Rest): PolyProps & AddedProperties & Rest {
  if (typeof name !== 'string') throw new TypeError('name must be a string');
  if (typeof ext !== 'string') throw new TypeError('ext must be a string');
  if (typeof contents !== 'string')
    throw new TypeError('contents must be a string');

  return {
    ...rest,
    history: Array.isArray(history) ? history : [name + '.' + ext],
    name,
    ext,
    path: name + '.' + ext,
    fileKey: name + ext,
    contents,
    error: null
  } as PolyProps & AddedProperties & Rest;
}

export function isPoly(poly: unknown): poly is ChallengeFile {
  function hasProperties(poly: unknown): poly is Record<string, unknown> {