feat(store): live entities and events plugin + method calls timings - #62
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📝 WalkthroughWalkthroughThe NgRx inspector now reports entity collections and method durations, records dispatched events and correlated store changes, and exposes live inspection and history tools. The travel example now stores bookings as entities and dispatches booking events. ChangesNgRx live inspection
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~60 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant Agent
participant NgRxRPCTool
participant PageReports
Agent->>NgRxRPCTool: Request store inspection or history
NgRxRPCTool->>PageReports: Read current page data
PageReports->>NgRxRPCTool: Return store or log data
NgRxRPCTool->>Agent: Return formatted report
Suggested labels: Suggested reviewers: Merge Risk: 🟡 Moderate · up to Restore classic NgRx state access through the new inspection tool before merging. Event attribution can also misidentify unrelated changes, and event-only pages cannot open full payload details. Security Architecture ReviewSecurity architecture risk: 🟡 Moderate · up to Entity summaries introduce a potential gap in the existing redaction boundary: identifiers can be copied into inspection output without the field-name checks applied to ordinary state. The new inspection tools remain read-only and use existing access settings, limiting their authority. Actual sensitive-data exposure and deployment access controls remain unverified. Retained concerns
Security review detailsSecurity Blast Radius
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Full details: Linked Issues checkExplanation Issue [ Full details: Out of Scope Changes checkExplanation Most changes support issue [ Full details: Docstring CoverageExplanation Docstring coverage is 28.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 25 functions across 15 files. (5 skipped: 5 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 3
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @app/src/pages/store-inspector.ts:
- Line 466: Move the selected event detail panel out of the `store()` guards so
events selected through `selectEntry(evt.seq)` show their full details even when
no live store exists. Keep store-specific state and restore controls guarded by
`store()`.
Review comments at @packages/ng-devtools/src/ngrx-collector.ts:
- Around line 471-483: Move event correlation out of onReducerEvent and wrap the
resolved Dispatcher dispatch in attachDispatcher. Snapshot which tracked stores
have pendingBefore before calling the original dispatch, then correlate only
stores newly pending after it returns, preserving existing event metadata and
avoiding duplicate correlations; restore the original dispatch when detaching.
Review comments at @packages/ng-devtools/src/rpc/ngrx-live-tools.ts:
- Around line 104-141: Update inspectSignalStoreText so unfiltered output
includes the classic @ngrx/store state, not only its scope and DevTools status.
When page.classic exists, render its state using the existing JSON formatting
helper while preserving the current classic-store summary.
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app/src/pages/store-inspector.tsapp/src/pages/store-types.tsapps/docs/src/app/components/llm-actions.tsapps/docs/src/content/agents/resources.mdapps/docs/src/content/agents/tools.mdapps/docs/src/content/guides/ngrx-signals-restore.mdapps/docs/src/content/inspectors/ngrx-store.mdextension/ui/assets/browser-agent-rpc-BXhoSh1z-CDg_ZrxU.jsextension/ui/index.htmlpackages/ng-devtools/src/__tests__/ngrx-collector.test.tspackages/ng-devtools/src/config.tspackages/ng-devtools/src/devframe.tspackages/ng-devtools/src/ngrx-collector.tspackages/ng-devtools/src/ngrx-shared.tspackages/ng-devtools/src/rpc/__tests__/ngrx-live-tools.test.tspackages/ng-devtools/src/rpc/get-ngrx-store.tspackages/ng-devtools/src/rpc/ngrx-live-tools.tssrc/app/pages/booking.tssrc/app/pages/trips.tssrc/app/travel/travel.store.ts
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@erkamyaman the PR is ready to be reviewed, |
I will have a look ASAP! |
erkamyaman
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Thanks for this, the entities summary and the events wiring are a nice start. Before it goes in, can you go through the NgRx Signals docs (watchState, the events plugin, signalMethod) and line it up with what #34 asks? A few things I hit:
- The Dispatcher lookup stops after 5 misses, and Dispatcher only exists once something injects it. Open the demo on
/, go to /booking, and no events get logged. Keep looking until it's found and add a test. - If a withReducer case sets a value it already has,
finish()returns before clearingpendingEventByTracked, so the next change (even a plain method call) gets tagged with that old event. Clear it before the early return and inuntrack, and use a WeakMap. - devframe sends positional args as
arg0/arg1/arg2, so agents can't passstoreId/sinceby name. Register both tools withagent.registerTooland a namedinputSchema(page,storeId,since) like the router and forms tools. - Please keep the
ng-devtools:ngrx-storeresource, the issue doesn't ask to remove it. - State changes should come from
watchStatelike #34 says, so every change in the same tick is its own entry. Right now they're merged. - Clicking an event shows its detail inside the store's change log, somewhere else on the page, and focus doesn't follow. Give events their own selection with the detail right under the list.
- Smaller: cap the tool output and add the untrusted-data line like the forms and router tools, don't set
payloadon events without one (shows{"@type":"undefined"}), label signalMethod correctly, and mention scoped dispatchers and sync-only tagging under Limits.
I'll take another look after that.
feat(store): live entities with events plugin and call counts for rxMethod / SignalMethod
What and why
Fixes #34
How it was verified
pnpm commit:check(commit messages follow the guidelines)pnpm format:checkpnpm typecheckand thengctemplate check (pnpm exec ngc -p app/tsconfig.json --noEmit)pnpm testandpnpm test:devtoolspnpm skills:check(when.claude/changed)apps/docsupdated andpnpm docs:buildpasses (when behavior, options, UI labels or agent tools changed), or theno-docslabel added with the reason belowpnpm extension:buildandextension/uicommitted (whenapp/changed)Screenshots
Entities added (with calls count)

Events added:
Notes for reviewers
Summary by CodeRabbit