feat: add item sources and per-image links to Photo Gallery

[briantstephan]

Updates Photo Gallery to use itemSource, with support for manual images, image lists, and lists of objects containing images. Adds optional hyperlinks for each image, including links mapped from CTA fields. Includes migration support to preserve existing gallery configurations.

Feel free to play around with the Photo Gallery on this test site:
https://www.yext.com/s/4520471/yextsites/168685/pagesets

[pkg-pr-new]

• pages-visual-editor-starter

  npm i https://pkg.pr.new/@yext/visual-editor@1339
  

commit: c983399

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Configuration used: Repository UI

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Run ID: c8505f9c-6dd1-4cba-bcdc-1251b9b449e9

📥 Commits

Reviewing files that changed from the base of the PR and between aa2c1d1 and 9720e0b.

📒 Files selected for processing (9)

• packages/visual-editor/src/components/pageSections/PhotoGallerySection/PhotoGalleryWrapper.test.tsx
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/photoGallerySource.ts
• packages/visual-editor/src/fields/YextAutoField.tsx
• packages/visual-editor/src/fields/fields.test.tsx
• packages/visual-editor/src/fields/fields.ts
• packages/visual-editor/src/internal/components/InternalLayoutEditor.tsx
• packages/visual-editor/src/utils/itemSource/createItemSource.test.ts
• packages/visual-editor/src/utils/itemSource/createItemSource.ts
• packages/visual-editor/src/utils/itemSource/itemSourceTypes.ts

🚧 Files skipped from review as they are similar to previous changes (1)

• packages/visual-editor/src/utils/itemSource/itemSourceTypes.ts

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Walkthrough

The photo gallery now uses item sources for image and optional link mappings. Gallery items resolve localized image data and validated URLs. The gallery renders links outside editor mode and tracks empty mapped content. Direct-item mapping support lets eligible list entries map as $item. A migration converts existing gallery image data. Default and starter data use the image-and-link item structure.

Sequence Diagram(s)

sequenceDiagram
  participant PhotoGallerySection
  participant photoGallerySource
  participant getPhotoGalleryImageData
  participant PhotoGalleryWrapper
  participant CTA
  PhotoGallerySection->>photoGallerySource: Resolve gallery items with stream document and locale
  photoGallerySource->>getPhotoGalleryImageData: Provide resolved image and link mappings
  getPhotoGalleryImageData->>PhotoGalleryWrapper: Return image data and validated href
  PhotoGalleryWrapper->>CTA: Render linked image when href exists and editor mode is off

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Suggested reviewers: jwartofsky-yext

Priority: ➖ Normal

Change: Feature

Merge Risk: ⚪ Minimal · up to 9720e

The gallery adds item sources and optional image links with migration and rendering coverage. No concrete merge-blocking issue remains; merge after normal checks pass.

Security Architecture Review

Security architecture risk: 🔵 Low · up to 9720e

The change is contained within the existing gallery and editor design, with explicit link validation and migration compatibility checks. No exploitable security issue was established, but who can supply link values and how all link types are ultimately handled remain incompletely verified.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

• inferred — Control of a configured manual link or mapped CTA could influence navigation on live pages consuming that gallery data. The inspected path reaches a browser link consumer rather than a server-side request sink. The number of affected pages, content-write privileges, tenant scope, and any broader authority are not established.

Trust Boundaries and Controls

• observed — Both live gallery renderers pass validated href and linkType to CTA with normalizeLink disabled. EMAIL and PHONE values bypass the gallery's ordinary URL expression, leaving their final scheme handling to the downstream Link implementation. That implementation and the authority to write gallery or entity values remain proof gaps, not verified vulnerabilities.
• observed — Counterevidence includes rendering assertions for mailto email handling, tel phone handling, and the absence of gallery anchors in editing mode. Resolver test source also checks javascript rejection for uppercase and mixed-case EMAIL and PHONE types. These tests were inspected, not executed, and do not prove handling of every adversarial input.

Resilience and Maintainability Implications

• inferred — The synchronous, guarded gallery conversion and whole-document serialization limit evidence for a newly introduced partial-migration problem. The runner's completion-marker behavior predates this PR; missing backend transaction and recovery evidence does not by itself establish a new security or rollback defect.

Hardening Proposals

• proposed — Make the URL-validation and type-specific scheme-handling contract explicit at the gallery-to-Link boundary, with adversarial rendered-link checks for EMAIL and PHONE. This would reduce the remaining enforcement uncertainty; it is not a claim that an exploit exists.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main changes: adding item sources and per-image links to Photo Gallery.
Description check	✅ Passed	The description directly explains the Photo Gallery itemSource update, supported image sources, per-image links, and migration support.
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

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• 🪄 Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at
@packages/visual-editor/src/components/pageSections/PhotoGallerySection/photoGalleryUtils.ts:
- Around line 108-130: Update the href validation around
isNonNormalizableLinkType to reject resolved links beginning with the
javascript: scheme, case-insensitively, before allowing non-normalizable CTA
types through. Preserve the existing validation for other links.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Advanced

Run ID: 2ba378fc-19f3-42e3-ad59-ffe234bb1b8d

📥 Commits

Reviewing files that changed from the base of the PR and between 1356c3c and 33119c5.

📒 Files selected for processing (9)

• packages/visual-editor/src/components/pageSections/EntityMappedSectionEmptyState.test.tsx
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/PhotoGallerySection.test.tsx
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/PhotoGallerySection.tsx
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/PhotoGalleryWrapper.test.tsx
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/PhotoGalleryWrapper.tsx
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/photoGalleryUtils.test.ts
• packages/visual-editor/src/components/pageSections/PhotoGallerySection/photoGalleryUtils.ts
• packages/visual-editor/src/fields/EntityFieldSelectorField.test.tsx
• packages/visual-editor/src/fields/EntityFieldSelectorField.tsx

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[benlife5]

I can't say I follow the item source stuff super well but generally looks fine to me and seems to pass all existing tests.

One editor bug: when a value is entered in a photo gallery constant value field and then the state is saved, the array focus is lost