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fix: handle circular references when calling json stringify #479

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Merged
liu-zhipeng merged 1 commit into from
Jan 12, 2026
+16 −1
Merged

fix: handle circular references when calling json stringify #479

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17 changes: 16 additions & 1 deletion packages/core/src/utils.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,22 @@
/**
* Serializes an object containing BigInt values by converting them to strings
* This is necessary because JSON.stringify() cannot serialize BigInt values
* Also handles circular references by tracking seen objects
*/
export const serializeBigInt = (obj: unknown): unknown => {
return JSON.parse(JSON.stringify(obj, (_, value) => (typeof value === 'bigint' ? value.toString() : value)));
const seen = new WeakSet();
return JSON.parse(
JSON.stringify(obj, (_, value) => {
if (typeof value === 'bigint') {
return value.toString();
}
if (typeof value === 'object' && value !== null) {
if (seen.has(value)) {
return undefined; // Remove circular reference
}
seen.add(value);
}
return value;
}),
);
};