Function: migrateLegacySaves()

migrateLegacySaves(): Promise<{ saves: number; settings: number; }>

Defined in: packages/core/src/saves/legacy.ts:146

Copies saves and settings out of the shared pre-gameId database on first open.

Returns

Promise<{ saves: number; settings: number; }>

How many saves and settings were copied

Remarks

Fixing the database name alone would strand every existing player: their saves stay in LEGACY_DATABASE_NAME while the game opens an empty <gameId>-gamedb. This copies them across once, and only into a database that holds no player saves of its own, so it can never overwrite newer progress. The legacy database is left in place - recovering data is easier than un-deleting it.

Called by Game.init() before anything reads storage. Safe to call again: the copy is recorded in a setting and skipped afterwards.