migratePrefabData
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migratePrefabData(
raw):MigrationResult
Defined in: prefab/migrate.ts:31
Upgrade a parsed .esprefab JSON value to the current format.
The historical format used numeric entity ids; current format uses
opaque strings (UUIDs for editor-authored prefabs). Numeric ids are
stringified with String(n) so cross-references — parent, children,
rootEntityId, PrefabOverride.prefabEntityId, nestedPrefab.overrides
— remain consistent.
The function is total: it accepts already-migrated data and returns it
with migrated: false. Throws on shapes that can’t be reconciled.
Parameters
Section titled “Parameters”unknown