Function buildSourceMap

packages/challenge-builder/src/build.ts:62–81

(challengeFiles: ChallengeFile[])

const joinWithFileBoundaries = (contents: string[]) => contents.join('\n');

function buildSourceMap(challengeFiles: ChallengeFile[]): Source | undefined {
  // TODO: rename sources.index to sources.contents.
  const index = joinWithFileBoundaries(
    challengeFiles.map(challengeFile => challengeFile.source ?? '')
  );
  const editableContents = joinWithFileBoundaries(
    challengeFiles.map(challengeFile => challengeFile.editableContents ?? '')
  );
  const source: Source | undefined = challengeFiles.length
    ? {
        index,
        contents: index,
        editableContents
      }
    : {
        index,
        editableContents
      };
  return source;
}

const buildFunctions = {
  [challengeTypes.js]: buildJSChallenge,