Function getDiff

ts/CodeDiffContainer.tsx:102–115

()

    // It would be more correct to set contents=undefined here to get a loading state,
    // but this produces an unnecessary flash for rapid transitions.
    const getDiff = async () => {
      const response = await fetch(`/diff/${filePair.idx}`, {
        method: 'POST',
        headers: {
          Accept: 'application/json',
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({
          options: gitDiffOptionsToFlags(diffOptions),
          normalize_json: normalizeJSON,
        }),
      });
      return response.json() as Promise<DiffRange[]>;
    };

    const {a, b} = filePair;
    // Do XHRs for the contents of both sides in parallel and fill in the diff.