Flutter Package Fixes Web App Data Loss and UI Flicker on Page Reload

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Flutter web apps lose all in-memory state when users refresh the browser, wiping form inputs, navigation position, and session data. Common workarounds like shared_preferences rely on asynchronous APIs that cause a visible UI flicker as default values briefly appear before stored data loads. A package called flutter_web_storage addresses both issues by using synchronous JavaScript interop to read localStorage directly within the same execution tick, before Flutter renders its first frame. The package also includes features for cross-tab state broadcasting, a tab teardown guard via the onbeforeunload event, and conditional imports to ensure compatibility across non-web platforms. Developers can integrate it via pubspec.yaml to preserve form drafts, navigation routes, filters, and other session state across browser refreshes.

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