fix: stop reading ComfyApp.rootGraph before initialization - #14502
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mattmillerai wants to merge 10 commits into
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fix: stop reading ComfyApp.rootGraph before initialization#14502mattmillerai wants to merge 10 commits into
mattmillerai wants to merge 10 commits into
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Route the startup-path callers that already tolerate a missing graph through the isGraphReady guard instead of the rootGraph getter, which logs an error when the graph has not been built yet.
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July 31, 2026 20:36
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📝 WalkthroughWalkthroughThe change replaces root-graph existence checks with ChangesGraph readiness migration
Estimated code review effort: 2 (Simple) | ~20 minutes Merge Risk: 🟡 Moderate · up to The change can leave users’ favorited widgets unloaded when the store starts before the graph is ready, causing favorites to appear missing; the readiness-triggered reload should be fixed before merge. Suggested reviewers: Important Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional. ❌ Failed checks (1 inconclusive)
✅ Passed checks (6 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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🎨 Storybook: ✅ Built — View Storybook🎭 Playwright: ✅ 1822 passed, 0 failed · 2 flaky📊 Browser Reports
📦 Bundle: 8.85 MB gzip 🔴 +203 BDetailsSummary
Category Glance App Entry Points — 3.71 kB (baseline 3.71 kB) • ⚪ 0 BMain entry bundles and manifests
Status: 1 added / 1 removed Graph Workspace — 1.37 MB (baseline 1.37 MB) • 🔴 +150 BGraph editor runtime, canvas, workflow orchestration
Status: 2 added / 2 removed / 1 unchanged Views & Navigation — 124 kB (baseline 124 kB) • ⚪ 0 BTop-level views, pages, and routed surfaces
Status: 13 added / 13 removed / 4 unchanged Panels & Settings — 566 kB (baseline 566 kB) • ⚪ 0 BConfiguration panels, inspectors, and settings screens
Status: 10 added / 10 removed / 16 unchanged User & Accounts — 27.7 kB (baseline 27.7 kB) • ⚪ 0 BAuthentication, profile, and account management bundles
Status: 6 added / 6 removed / 5 unchanged Editors & Dialogs — 125 kB (baseline 125 kB) • ⚪ 0 BModals, dialogs, drawers, and in-app editors
Status: 7 added / 7 removed / 1 unchanged UI Components — 67.1 kB (baseline 67.1 kB) • ⚪ 0 BReusable component library chunks
Status: 6 added / 6 removed / 8 unchanged Data & Services — 3.52 MB (baseline 3.52 MB) • 🔴 +94 BStores, services, APIs, and repositories
Status: 14 added / 14 removed / 3 unchanged Utilities & Hooks — 550 kB (baseline 550 kB) • 🔴 +3 BHelpers, composables, and utility bundles
Status: 18 added / 18 removed / 20 unchanged Vendor & Third-Party — 16.8 MB (baseline 16.8 MB) • ⚪ 0 BExternal libraries and shared vendor chunks Status: 18 unchanged Other — 14.2 MB (baseline 14.2 MB) • ⚪ 0 BBundles that do not match a named category
Status: 68 added / 68 removed / 217 unchanged ⚡ Performance Report
Show regressions
All metrics
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Trend (last 15 commits on main)
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Codecov Report❌ Patch coverage is @@ Coverage Diff @@
## main #14502 +/- ##
==========================================
+ Coverage 79.06% 81.64% +2.58%
==========================================
Files 2209 1882 -327
Lines 112303 107204 -5099
Branches 33016 32256 -760
==========================================
- Hits 88790 87529 -1261
+ Misses 23055 19318 -3737
+ Partials 458 357 -101
Flags with carried forward coverage won't be shown. Click here to find out more.
... and 340 files with indirect coverage changes 🚀 New features to boost your workflow:
|
Resolved conflict in useErrorClearingHooks.ts by preserving main's onConnectionsChange media-tracking rewrite and isNodeCandidateStillActive removal, while applying this branch's isGraphReady conversion to both the pre-existing and newly-introduced app.rootGraph existence checks.
…ests main's promoted-media bypass/delete/verification tests only stubbed app.rootGraph, relying on the guard clauses reading rootGraph directly. This PR switches those guards to isGraphReady, which the describe-level beforeEach stubs false — so merging main breaks the guard for tests that never re-enable it. Use the existing stubRootGraph helper (which sets both) everywhere a test needs a ready graph.
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
Contributor
There was a problem hiding this comment.
Actionable comments posted: 3
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@src/composables/graph/useErrorClearingHooks.test.ts`:
- Around line 40-44: Update stubRootGraph so the undefined-graph case mocks the
typed app.rootGraph getter to throw on access, while retaining the normal graph
return for defined inputs and the existing isGraphReady behavior. Keep the
helper type-safe without any escapes, and ensure readiness tests cover both
undefined-graph setup and the resulting diagnostic behavior.
In `@src/scripts/rootGraphPreInitAccess.test.ts`:
- Around line 17-20: Update the test lifecycle around the beforeEach setup in
rootGraphPreInitAccess tests to restore the console.error spy after every test,
using consoleError.mockRestore() or vi.restoreAllMocks() in afterEach. Keep
mockClear() only for clearing per-test call history and ensure teardown prevents
shared state between tests.
In `@src/stores/appModeStore.ts`:
- Around line 226-228: Make graph readiness observable or explicitly replay
initialization after setup so listeners created before readiness still process
the configured event. Update src/stores/appModeStore.ts lines 226-228, 87, and
238-239, plus src/stores/workspace/favoritedWidgetsStore.ts lines 140-146,
covering configured handling, hasNodes, readiness-gated persistence, and
favorites restoration; ensure all four paths react when app.isGraphReady changes
from false to true instead of remaining bound to undefined.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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src/components/builder/useEmptyWorkflowDialog.tssrc/components/rightSidePanel/errors/useErrorGroups.tssrc/composables/graph/useErrorClearingHooks.promotion.test.tssrc/composables/graph/useErrorClearingHooks.test.tssrc/composables/graph/useErrorClearingHooks.tssrc/platform/missingMedia/missingMediaStore.tssrc/platform/missingModel/missingModelStore.tssrc/scripts/app.tssrc/scripts/rootGraphPreInitAccess.test.tssrc/stores/appModeStore.test.tssrc/stores/appModeStore.tssrc/stores/workspace/favoritedWidgetsStore.tssrc/workbench/extensions/manager/composables/nodePack/useWorkflowPacks.ts
- useResolvedSelectedInputs still read app.rootGraph at construction and in four useEventListener targets; gate them on isGraphReady like the rest of the call sites. - stubRootGraph now throws on rootGraph access in the unready branch, so the unavailable-graph test actually proves nothing reads it. - Restore the console.error spy after each pre-init test.
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🤖 The reviews loop filed Linear follow-up ticket(s) for review thread(s) deferred as out of scope for this PR:
The following carry
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This was referenced Aug 9, 2026
…ph-pre-init-access # Conflicts: # src/composables/graph/useErrorClearingHooks.test.ts
This was referenced Aug 13, 2026
…ph-pre-init-access
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Can you reconile with other PRs that do similar things and decide which approach is best then close the others?
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Reconciled the overlapping PRs @christian-byrne flagged:
Recommendation: let #14567 be the one to land for the |
…ph-pre-init-access # Conflicts: # src/composables/graph/useErrorClearingHooks.ts
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Reconciled the "rootGraph early access" PR family:
Net: #14502 doesn't conflict with anything — it's a narrow, independent refactor that touches different call sites than the other three. The real overlap is #14567 vs #14976, which fix the same symptom (the |
Several tests stubbed app.rootGraph directly instead of via the shared stubRootGraph helper, leaving app.isGraphReady false. Guards converted from `!app.rootGraph` to `!app.isGraphReady` in this PR now bail early under those stubs, so scans/verification never ran.
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Note GitHub couldn't provide a complete incremental comparison for this pull request, so CodeRabbit is performing a full review instead. This review may take a little longer. |
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Actionable comments posted: 1
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Inline comments:
In `@src/stores/workspace/favoritedWidgetsStore.ts`:
- Around line 140-143: Update useFavoritedWidgetsStore so favorites reload when
app.isGraphReady transitions to true, including when activeWorkflow?.path was
already set during initialization; use the graph configured event or readiness
lifecycle and add a regression test covering initialization before readiness.
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Run ID: 3be93cbc-641b-4a92-8fb3-55461c1b732a
📒 Files selected for processing (15)
src/components/builder/useEmptyWorkflowDialog.tssrc/components/builder/useResolvedSelectedInputs.test.tssrc/components/builder/useResolvedSelectedInputs.tssrc/components/rightSidePanel/errors/useErrorGroups.tssrc/composables/graph/useErrorClearingHooks.promotion.test.tssrc/composables/graph/useErrorClearingHooks.test.tssrc/composables/graph/useErrorClearingHooks.tssrc/platform/missingMedia/missingMediaStore.tssrc/platform/missingModel/missingModelStore.tssrc/scripts/app.tssrc/scripts/rootGraphPreInitAccess.test.tssrc/stores/appModeStore.test.tssrc/stores/appModeStore.tssrc/stores/workspace/favoritedWidgetsStore.tssrc/workbench/extensions/manager/composables/nodePack/useWorkflowPacks.ts
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Reviews pass — no code changes were needed this round. State
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ELI-5
app.rootGraphis the app's main workflow graph. Reading it before the app has finished starting logs a scary error and hands backundefined. Some code was checking "do we have a graph yet?" by readingapp.rootGraph— which is exactly what trips the alarm. There is already a quiet way to ask that question (app.isGraphReady), so this switches those checks over to it. The alarm itself is untouched, so a genuinely-too-early read still gets reported.The pre-init callers
ComfyApp'srootGraphgetter logsComfyApp graph accessed before initializationwhenever it is read beforesetup()assigns the graph. On the cloud frontend that fires in 1,266 distinct sessions per week — ~12% of sessions, and roughly 30% of the errored sessions left once the extension-loading 404 cluster is excluded. The getter is a working diagnostic; the defect is whatever reads it too early.Two Pinia stores read it at construction time, before
await comfyApp.setup(canvasRef)inGraphCanvas.vuehas resolved (thatawaitsits behindsyncWorkflows()andloadExtensions(), so the window is wide):appModeStore—useEventListener(() => app.rootGraph?.events, 'configured', …). VueUse evaluates the target getter immediately, so merely instantiating the store readsrootGraph. The store is constructed byLinearView,AppModeToolbar, the builder components anduseWorkflowActionsMenu, i.e. app/linear mode entry — which matches a signature that fires in a subset of sessions rather than all of them.favoritedWidgetsStore—watch(() => workflowStore.activeWorkflow?.path, loadFromWorkflow, { immediate: true }), andloadFromWorkflow()opens withconst graph = app.rootGraph.Both were verified empirically, not by inspection: instantiating each store against a not-yet-
setup()ComfyAppemits the message exactly once (see the red→green note under Testing). The same probe overmissingModel/missingMedia/executionError/subgraphNavigation/nodeOutput/execution/workflowstores came back clean, so those are not startup emitters.The rest of the diff converts the other reads that are already written to tolerate a missing graph — every
if (!app.rootGraph)/app.rootGraph?.…existence check — to askisGraphReadyinstead. Those are the same defect class: code that tests for the pre-init state by triggering the pre-init diagnostic. Unguarded reads (the large majority, which run only after the graph exists by construction) are left alone.Notes / judgment calls
rootGraphstill logs, and a test asserts it does, so a future too-early read is still reported.isGraphReadyandrootGraphboth derive from the same private field, so!app.isGraphReadyand!app.rootGraphcannot disagree at runtime — every swap here is behaviour-preserving. They could disagree in tests that stub only one of them; two test files stubbedrootGraphalone and are updated to stub both together, which is what the real object guarantees.app.rootGraph?.nodes?.lengthbecameapp.isGraphReady && !!app.rootGraph.nodes.length.LGraph.nodesis a non-optional getter, so the dropped?.was already redundant (confirmed bypnpm typecheck).useErrorClearingHooks, the twoapp.rootGraph !== rootGraphAtScanidentity comparisons are left as-is: they compare which graph is current, not whether one exists, and they run after init.graphgetter (existing TODO atsrc/scripts/app.ts:217), and broaderComfyAppinit-ordering rework.Testing
src/scripts/rootGraphPreInitAccess.test.tspins the startup ordering: constructingappModeStoreandfavoritedWidgetsStorepre-init must log nothing,isGraphReadymust be readable without logging, and a directrootGraphread must still log. Verified red→green — with the two store fixes stashed, the two store cases fail with the pre-init message.vitest runover the touched areas (missingMedia,missingModel,nodePack,rightSidePanel,builder,stores/workspace,scripts, plusappModeStoreanduseErrorClearingHooks): 1015 passed / 0 failed across 73 files.pnpm typecheckclean;oxfmtandeslintclean on the changed files.Provenance
From a goal run against the cloud frontend error-free sessions dashboard ("State of Dog"; Datadog RUM, env
prod-v2), measured 2026-07-31 over a rolling 7-day window: error-free sessions were running 17–22% daily against a ≥90% daily target, with 8,662 of 10,790 sessions containing at least one error. This signature ranked 12th overall and 3rd among signatures not explained by the extension-loading 404s.