version-bridge: restructure module layout

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/version-bridge/src/lib/VersionedContext.ts

@@ -16,31 +16,7 @@
 
 import { createContext, useContext, Context } from 'react';
 import { getGlobalSingleton, setGlobalSingleton } from './globalObject';
-
-/**
- * The versioned value interface is a container for a set of values that
- * can be looked up by version. It is intended to be used as a container
- * for values that can be versioned independently of package versions.
- */
-export type VersionedValue<Versions extends { [version: number]: any }> = {
-  atVersion<Version extends keyof Versions>(
-    version: Version,
-  ): Versions[Version] | undefined;
-};
-
-/**
- * Creates a container for a map of versioned values that implements VersionedValue.
- */
-export function createVersionedValueMap<
-  Versions extends { [version: number]: any },
->(versions: Versions): VersionedValue<Versions> {
-  Object.freeze(versions);
-  return {
-    atVersion(version) {
-      return versions[version];
-    },
-  };
-}
+import { createVersionedValueMap, VersionedValue } from './VersionedValue';
 
 export function useVersionedContext<
   Versions extends { [version in number]: any },

packages/version-bridge/src/lib/VersionedValue.ts

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * The versioned value interface is a container for a set of values that
+ * can be looked up by version. It is intended to be used as a container
+ * for values that can be versioned independently of package versions.
+ */
+export type VersionedValue<Versions extends { [version: number]: any }> = {
+  atVersion<Version extends keyof Versions>(
+    version: Version,
+  ): Versions[Version] | undefined;
+};
+
+/**
+ * Creates a container for a map of versioned values that implements VersionedValue.
+ */
+export function createVersionedValueMap<
+  Versions extends { [version: number]: any },
+>(versions: Versions): VersionedValue<Versions> {
+  Object.freeze(versions);
+  return {
+    atVersion(version) {
+      return versions[version];
+    },
+  };
+}

packages/version-bridge/src/lib/index.ts

@@ -14,5 +14,14 @@
  * limitations under the License.
  */
 
-export * from './globalObject';
-export * from './versionedValues';
+export {
+  getGlobalSingleton,
+  getOrCreateGlobalSingleton,
+  setGlobalSingleton,
+} from './globalObject';
+export {
+  createVersionedContextForTesting,
+  useVersionedContext,
+} from './versionedValues';
+export { createVersionedValueMap } from './VersionedValue';
+export type { VersionedValue } from './VersionedValue';