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    Interface SchemaMigration

    Represents a schema migration which can be applied to a source object to bring it up to date with the schema version of this migration.

    interface SchemaMigration {
        range: VersionRange<number>;
        version: Version<number>;
        migrate(source: object): Promise<object>;
    }

    Implemented by

    Index

    Properties

    range version

    Methods

    migrate

    Properties

    range: VersionRange<number>

    The range of schema versions which can be migrated by this SchemaMigration instance.

    version: Version<number>

    The resulting schema version after the migration.

    Methods

    • Migrates the given source object to match the new schema. The source object may not be a copy of the original object and care must be taken to ensure that the original object is not modified.

      Parameters

      • source: object

        the copy of the source object to migrate.

      Returns Promise<object>

      a promise which resolves to the migrated object.

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