Function parseSemanticDiffJson

packages/shared/semantic-diff.ts:347–387

(stdout: string, sem: ResolvedSem)

}

export function parseSemanticDiffJson(stdout: string, sem: ResolvedSem): SemanticDiffResponse {
  let parsed: unknown;
  try {
    parsed = JSON.parse(stdout);
  } catch {
    return {
      status: "error",
      reason: "invalid-json",
      message: "sem returned invalid JSON.",
      semVersion: sem.version,
      semSource: sem.source,
    };
  }

  if (!parsed || typeof parsed !== "object") {
    return {
      status: "error",
      reason: "invalid-json-shape",
      message: "sem returned an unexpected JSON payload.",
      semVersion: sem.version,
      semSource: sem.source,
    };
  }

  const payload = parsed as Record<string, unknown>;
  const changes = Array.isArray(payload.changes)
    ? payload.changes.map(changeFromJson).filter((change): change is SemanticDiffChange => !!change)
    : [];
  const binaryChanges = Array.isArray(payload.binaryChanges)
    ? payload.binaryChanges.map(binaryChangeFromJson).filter((change): change is SemanticDiffBinaryChange => !!change)
    : [];

  return {
    status: "ok",
    summary: summaryFromJson(payload.summary),
    changes,
    binaryChanges,
    semVersion: sem.version,
    semSource: sem.source,
  };
}

export function normalizeSemanticDiffFileExts(fileExts: string[] | undefined): string[] {
  return Array.from(new Set((fileExts ?? [])