ByeongUkChoi opened a new pull request, #183:
URL: https://github.com/apache/age-viewer/pull/183
#### **Summary**
This PR ensures that `nodes` and `edges` properties in `GraphCreator` are
always initialized as arrays, preventing potential `undefined` errors when
processing uploaded files.
#### **Changes**
- Updated `CypherController.js`:
- Set `nodes` and `edges` to default to empty arrays (`[]`) if
`req.files.nodes` or `req.files.edges` are `undefined`.
#### **Reason for Change**
- If `req.files.nodes` or `req.files.edges` is missing, `GraphCreator` would
receive `undefined`, potentially causing runtime errors during graph parsing.
- Defaulting these values to empty arrays ensures that downstream
operations, such as `map()` and `forEach()`, do not fail.
#### **Impact**
- Improves robustness when handling file uploads.
- Prevents potential crashes due to missing properties.
- Ensures `GraphCreator` always has valid `nodes` and `edges` arrays to work
with.
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