Using for mutual-exclusive TS def

realm · Jun 8, 2021 · d60c373 · d60c373
1 parent 5fcac62
commit d60c373
Showing 1 changed file with 11 additions and 11 deletions.
diff --git a/types/index.d.ts b/types/index.d.ts
@@ -107,27 +107,28 @@ declare namespace Realm {
         error?: ErrorCallback;
     }
 
-    interface ConfigurationWithSync {
+    interface BaseConfiguration {
         encryptionKey?: ArrayBuffer | ArrayBufferView | Int8Array;
         schema?: (ObjectClass | ObjectSchema)[];
         schemaVersion?: number;
         shouldCompactOnLaunch?: (totalBytes: number, usedBytes: number) => boolean;
         path?: string;
         fifoFilesFallbackPath?: string;
         readOnly?: boolean;
-        sync: SyncConfiguration;
     }
 
-    interface ConfigurationWithoutSync {
-        encryptionKey?: ArrayBuffer | ArrayBufferView | Int8Array;
+    interface ConfigurationWithSync extends BaseConfiguration {
+        sync: SyncConfiguration,
+        migration?: never,
+        inMemory?: never,
+        deleteRealmIfMigrationNeeded?: never,
+        disableFormatUpgrade?: never
+    }
+
+    interface ConfigurationWithoutSync extends BaseConfiguration {
+        sync?: never,
         migration?: MigrationCallback;
-        shouldCompactOnLaunch?: (totalBytes: number, usedBytes: number) => boolean;
-        path?: string;
-        fifoFilesFallbackPath?: string;
-        readOnly?: boolean;
         inMemory?: boolean;
-        schema?: (ObjectClass | ObjectSchema)[];
-        schemaVersion?: number;
         deleteRealmIfMigrationNeeded?: boolean;
         disableFormatUpgrade?: boolean;
     }
@@ -138,7 +139,6 @@ declare namespace Realm {
      */
     type Configuration = ConfigurationWithSync | ConfigurationWithoutSync;
 
-
     /**
      * realm configuration used for overriding default configuration values.
      * @see { @link https://realm.io/docs/javascript/latest/api/Realm.html#~Configuration }