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Data source adapter, virtual data loader, TreeList data controller and data source adapter - type virtual data loader - #35523
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bit-byte0 merged 2 commits intoOct 8, 2026
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Copilot review overview
🟡 Changes recommended
Several declared contracts contradict existing implementations, while a double assertion bypasses controller validation.
Review effort: Balanced
Findings: 4
Open (4)
What changed in this PR
Adds strict typing to the legacy grid virtual data loader and extracts its contracts.
Changes:
- Defines loader controller, cache, callback, and data-option contracts.
- Annotates loader fields, parameters, and return types.
- Connects the virtual-scroll controller to the typed loader.
| File | Description |
|---|---|
m_virtual_scrolling_core.ts |
Passes the controller to the typed loader. |
virtual_data_loader/types.ts |
Defines loader contracts. |
m_virtual_data_loader.ts |
Adds strict annotations and removes type suppressions. |
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| export type ChangedCallback = (args?: unknown) => void; | ||
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| export interface ProcessedChange { | ||
| changeType?: unknown; |
Contributor
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can DataChange or StoreChange type help here with better typing?
| const processChanged = ( | ||
| that: VirtualDataLoader, | ||
| changed: ChangedCallback, | ||
| changeType?: unknown, |
Contributor
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is it corresponds DataChange changeType or StoreChange type?
| } | ||
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| private handleDataChanged(callBase, e) { | ||
| private handleDataChanged(callBase: ChangedCallback, e?: { changes?: unknown }): void { |
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same for changes type
anna-shakhova
approved these changes
Oct 8, 2026
github-merge-queue
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removed this pull request from the merge queue due to failed status checks
Oct 8, 2026
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What
Typed grid_core virtual data loader: fields, params, return types
How
Added loader contract and change types to types.ts, reused adapter
ChangedEvent.pageIndexgot getter/setter overloads