doc: Use effect and set items for signal bindings#5370
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Preview DeploymentThis PR has been deployed for preview. URL: https://docs-preview-pr-5370.fly.dev Built from c44e023 |
Legioth
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Mar 19, 2026
| - *Individual item changes* (updating a value within a signal): Triggers [methodname]`refreshItem()` for only the affected item | ||
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| This two-level tracking means individual item updates are efficient—only the affected row is refreshed in a Grid, for example. | ||
| This pattern refreshes the entire data set with [methodname]`DataProvider.refreshAll()` when any change occurs to the list signal's structure or individual item signal. The framework doesn't yet provide a dedicated helper for binding items to data components. A support for more efficient item's granular updates and lazy loaded items bindings is planned in future releases. |
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refreshAll is an implementation detail. From the user's perspective, the full refresh comes from running setItems again.
Co-authored-by: Leif Åstrand <leif@vaadin.com>
Legioth
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Related-to vaadin/flow#23659