openclaw/src/agents/stable-stringify.ts

export function stableStringify(value: unknown): string {
  if (value === null || typeof value !== "object") {
    return JSON.stringify(value) ?? "null";
  }
  if (Array.isArray(value)) {
    return `[${value.map((entry) => stableStringify(entry)).join(",")}]`;
  }
  const record = value as Record<string, unknown>;
  const keys = Object.keys(record).toSorted();
  const entries = keys.map((key) => `${JSON.stringify(key)}:${stableStringify(record[key])}`);
  return `{${entries.join(",")}}`;
}