8 lines
524 B
Markdown
8 lines
524 B
Markdown
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"effect": patch
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---
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Fix `SchemaAST.isJson` rejecting DAGs as cycles, closes #2021.
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The previous implementation marked every visited object in a single `seen` set and never removed it, so any value that referenced the same object through two different paths (a DAG, e.g. `{ x: shared, y: shared }`) was treated as a cycle and returned `false`. Cycle detection now tracks only the current recursion path (popping on exit) and memoizes fully validated subtrees, so DAGs are accepted while true cycles are still rejected.
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