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ComfyUI_frontend/browser_tests/assets/subgraphs/nested-subgraph-stale-proxy-widgets.json
Alexander Brown 08ea013c51 fix: prune stale proxyWidgets referencing nodes removed by nested subgraph packing (#10390)
## Summary

Prune stale proxyWidgets entries that reference grandchild nodes no
longer present in the outer subgraph after nested packing.

## Changes

- **What**: Filter out proxyWidgets entries during hydration when the
source node doesn't exist in the subgraph. Also skip missing-node
entries in `_pruneStaleAliasFallbackEntries` as defense-in-depth. Write
back cleaned entries so stale data doesn't persist.

## Review Focus

The fix touches two codepaths in `SubgraphNode.ts`:
1. **Hydration** (`_internalConfigureAfterSlots`): Added `getNodeById`
guard before accepting a proxyWidget entry, and broadened the write-back
condition from legacy-only to any filtered entries.
2. **Runtime pruning** (`_pruneStaleAliasFallbackEntries`): Added
early-exit for entries whose source node no longer exists — previously
these survived because failed resolution returned `undefined` which
bypassed the concrete-key comparison.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-10390-fix-prune-stale-proxyWidgets-referencing-nodes-removed-by-nested-subgraph-packing-32b6d73d365081e69eedcb2b67d7043d)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Amp <amp@ampcode.com>
2026-03-25 12:15:52 -07:00

556 lines
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JSON

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"revision": 0,
"last_node_id": 11,
"last_link_id": 16,
"nodes": [
{
"id": 9,
"type": "SaveImage",
"pos": [1451.0058559453123, 189.0019842294924],
"size": [400, 200],
"flags": {},
"order": 2,
"mode": 0,
"inputs": [
{
"name": "images",
"type": "IMAGE",
"link": 13
}
],
"outputs": [],
"properties": {},
"widgets_values": ["ComfyUI"]
},
{
"id": 4,
"type": "CheckpointLoaderSimple",
"pos": [25.988896564209426, 473.9973077158204],
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"inputs": [],
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"links": [11]
},
{
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"type": "CLIP",
"slot_index": 1,
"links": [10]
},
{
"name": "VAE",
"type": "VAE",
"slot_index": 2,
"links": [12]
}
],
"properties": {
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"widgets_values": ["v1-5-pruned-emaonly-fp16.safetensors"]
},
{
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"pos": [711.776576770508, 420.55569028417983],
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"flags": {},
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],
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["6", "text"],
["3", "seed"]
]
},
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}
],
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[11, 4, 0, 10, 1, "MODEL"],
[12, 4, 2, 10, 2, "VAE"],
[13, 10, 0, 9, 0, "IMAGE"]
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"inputs": [],
"outputs": [
{
"localized_name": "LATENT",
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"type": "LATENT",
"slot_index": 0,
"links": [2]
}
],
"properties": {
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"widgets_values": [512, 512, 1]
},
{
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],
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{
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],
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}
],
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