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fix(analog): keep layout load data on the layout for an index child page - #287

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erkamyaman merged 2 commits into
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fix/h-analog
Oct 11, 2026
Merged

erkamyaman merged 2 commits into
mainfrom
fix/h-analog

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@erkamyaman

@erkamyaman erkamyaman commented Oct 11, 2026 •

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What and why

Take an Analog app with products.page.ts plus products.server.ts (a layout with a load()) and products/index.page.ts (no server file). Angular passes the layout's resolved data down to the empty-path index child, so both route nodes carry the same data.load object.

chainOf in analog-runtime.ts treated the child's inherited load as its own and moved loadFrom to the child. resolveAnalogReport then saw that the child has no .server.ts and dropped load. At /products:

  • the Analog page view showed no load data
  • analog-current-page told the agent "The page has a .server.ts but no load data reached the route. Check withComponentInputBinding()…", sending the developer after a problem they don't have

A load that is the same object already picked for an ancestor now counts as inherited, so loadFrom stays on the page that really ran load().

How it was verified

New analog-load-inherit.test.ts runs a real Angular Router with Analog-shaped routes and checks both loadFrom and the resolved report's load.keys. It fails on main and passes with the fix. All package tests pass.

  • pnpm commit:check (commit messages follow the guidelines)
  • pnpm format:check
  • pnpm typecheck (includes the ngc template checks)
  • pnpm test:devtools (all passing)
  • pnpm skills:check (when .claude/ changed): not changed
  • No docs change needed: the fix makes the code match existing docs (no-docs)
  • pnpm extension:build and extension/ui committed (when app/ changed): not changed
  • Checked in the browser with axe (when the UI changed): no UI change

Summary by CodeRabbit

  • Bug Fixes
    • Corrected route load data attribution for nested pages. Inherited layout data remains associated with the layout, while data from a child’s own resolver is attributed to that child, even when it returns the same object.

Angular passes a parent's resolved data down to an empty-path child, so
at /products the index page's data.load was the products layout's load()
result. chainOf credited it to the child, and the server then dropped it
because the child has no .server.ts. The page view lost the data and the
analog-current-page tool told the agent no load data reached the route.
The same object seen again is now treated as inherited.
@erkamyaman erkamyaman added the no-docs This pull request needs no docs change (the reason is in the description) label Oct 11, 2026
@github-actions github-actions Bot added the area: package The ng-devtools package (packages/ng-devtools) label Oct 11, 2026
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📒 Files selected for processing (2)
  • packages/devtools/src/__tests__/analog-load-inherit.test.ts
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  • packages/devtools/src/analog-runtime.ts
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📝 Walkthrough

Walkthrough

chainOf now distinguishes a route’s own load resolver from inherited load data. New router tests check inherited data and report keys, and verify that a child resolver is credited when it returns the same object as the layout resolver.

Changes

Analog load inheritance

Layer / File(s) Summary
Load selection and inheritance test
packages/devtools/src/analog-runtime.ts, packages/devtools/src/__tests__/analog-load-inherit.test.ts
chainOf excludes identical inherited data from load-source selection. Tests check inherited report keys and confirm that a child resolver returning the layout’s object is credited as the source.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix


Merge Risk: ⚪ Minimal · up to 9d980

The load-attribution fix is present, and no established issue blocks merging.

Pre-merge checks | Passed 4 | Failed 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 2 files. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Description Check Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check Passed The title clearly describes the main change: preserving layout load data for an empty-path index child page.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
Review comments at @packages/devtools/src/analog-runtime.ts:
- Line 113: Update the load-source logic in chainOf so a child’s own
resolve.load is treated as its resolved value even when it is the same object
reference as the parent’s data. Check whether the child defines resolve.load
before treating equal references as inheritance, and add a router test covering
both resolvers returning the same cached non-empty object.

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  • packages/devtools/src/__tests__/analog-load-inherit.test.ts
  • packages/devtools/src/analog-runtime.ts

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Comment thread packages/devtools/src/analog-runtime.ts Outdated
…ject

A route that defines its own resolve.load keeps the credit even when it returns the very object its parent resolved, so only a route without its own resolver counts as inheriting.
@erkamyaman
erkamyaman merged commit 9d68c93 into main Oct 11, 2026
7 of 8 checks passed
@erkamyaman
erkamyaman deleted the fix/h-analog branch October 11, 2026 07:46
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