MigrationStep
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Defined in: src/persistence/migration/MigrationChain.ts:10
One step in an upcaster pipeline — a pure function that maps a payload
at version fromVersion to one at version toVersion. Steps are
normally consecutive (fromVersion + 1 === toVersion); larger jumps
are allowed but rare.
Type Parameters
Section titled “Type Parameters”From = unknown
To = unknown
Properties
Section titled “Properties”fromVersion
Section titled “fromVersion”
readonlyfromVersion:number
Defined in: src/persistence/migration/MigrationChain.ts:11
toVersion
Section titled “toVersion”
readonlytoVersion:number
Defined in: src/persistence/migration/MigrationChain.ts:12
Methods
Section titled “Methods”upcast()
Section titled “upcast()”upcast(
from):To
Defined in: src/persistence/migration/MigrationChain.ts:13
Parameters
Section titled “Parameters”From
Returns
Section titled “Returns”To