export const jsonParseBig = (input: string) => { return JSON.parse(input, (_key, value) => { if (typeof value === 'string' && /^\d+n$/.test(value)) { return BigInt(value.substring(0, value.length - 1)); } return value; }); }; export const jsonStringifyBig = (input: any) => { return JSON.stringify(input, (_key, value) => typeof value === 'bigint' ? value.toString() + 'n' : value); };