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fix: use ObjectID timestamp for createdTime sorting #18

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fix: use ObjectID timestamp for createdTime sorting #18

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17 changes: 13 additions & 4 deletions src/tools/task/list-tasks.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -153,10 +153,19 @@ function sortTasks(
break;
}
case "createdTime": {
// Use sortOrder as proxy for creation time
const orderA = a.sortOrder ?? 0;
const orderB = b.sortOrder ?? 0;
comparison = orderA - orderB;
// Extract timestamp from MongoDB ObjectID (first 8 hex chars)
// The sortOrder field values exceed JavaScript's safe integer range (2^53),
// causing precision loss during arithmetic operations.
// ObjectID's first 8 hex characters represent a Unix timestamp.
const getTimestampFromId = (id: string | undefined): number => {
if (typeof id === 'string' && id.length >= 8) {
return parseInt(id.substring(0, 8), 16);
}
return 0;
};
const timeA = getTimestampFromId(a.id);
const timeB = getTimestampFromId(b.id);
comparison = timeA - timeB;
break;
}
}
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