Function saveState

src/node/updater/state.ts:151–156

(filePath: string, state: UpdateState)

/** Atomic write via tmp-then-rename. Creates parent directories as needed. */
export const saveState = async (filePath: string, state: UpdateState): Promise<void> => {
  await fs.mkdir(path.dirname(filePath), {recursive: true});
  const tmp = `${filePath}.tmp`;
  await fs.writeFile(tmp, JSON.stringify(state, null, 2));
  await fs.rename(tmp, filePath);
};