Move upgrade project code to its own file

src/storage/project.ts

@@ -20,12 +20,12 @@
  */
 
 import JSZip from 'jszip';
-import * as semver from 'semver';
 
 import * as commonStorage from './common_storage';
 import * as storageModule from './module';
 import * as storageModuleContent from './module_content';
 import * as storageNames from './names';
+import { upgradeProjectIfNecessary } from './upgrade_project';
 
 // Types, constants, and functions related to projects, regardless of where the projects are stored.
 
@@ -37,7 +37,7 @@ export type Project = {
 };
 
 const NO_VERSION = '0.0.0';
-const CURRENT_VERSION = '0.0.1';
+export const CURRENT_VERSION = '0.0.1';
 
 type ProjectInfo = {
   version: string,
@@ -62,7 +62,7 @@ export async function listProjectNames(storage: commonStorage.Storage): Promise<
  */
 export async function fetchProject(
     storage: commonStorage.Storage, projectName: string): Promise<Project> {
-  await updateProjectIfNecessary(storage, projectName);
+  await upgradeProjectIfNecessary(storage, projectName);
 
   const modulePaths: string[] = await storage.listFilePaths(
       storageNames.makeModulePathRegexPattern(projectName));
@@ -545,7 +545,7 @@ async function deleteProjectInfo(
   await storage.deleteFile(projectInfoPath);
 }
 
-async function fetchProjectInfo(
+export async function fetchProjectInfo(
     storage: commonStorage.Storage, projectName: string): Promise<ProjectInfo> {
   const projectInfoPath = storageNames.makeProjectInfoPath(projectName);
   let projectInfo: ProjectInfo;
@@ -560,19 +560,3 @@ async function fetchProjectInfo(
   }
   return projectInfo;
 }
-
-// TODO(lizlooney): Move updateProjectIfNecessary to it's own file.
-async function updateProjectIfNecessary(
-    storage: commonStorage.Storage, projectName: string): Promise<void> {
-  const projectInfo = await fetchProjectInfo(storage, projectName);
-  if (semver.lt(projectInfo.version, CURRENT_VERSION)) {
-    switch (projectInfo.version) {
-      case '0.0.0':
-        // Project was saved without a project.info.json file.
-        // Nothing needs to be done to update to '0.0.1';
-        projectInfo.version = '0.0.1';
-        break;
-    }
-    await saveProjectInfo(storage, projectName);
-  }
-}

src/storage/upgrade_project.ts

@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ *
+ * 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
+ *
+ *    https://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.
+ */
+
+/**
+ * @author [email protected] (Liz Looney)
+ */
+
+import * as semver from 'semver';
+
+import * as commonStorage from './common_storage';
+import * as storageProject from './project';
+
+
+export async function upgradeProjectIfNecessary(
+    storage: commonStorage.Storage, projectName: string): Promise<void> {
+  const projectInfo = await storageProject.fetchProjectInfo(storage, projectName);
+  if (semver.lt(projectInfo.version, storageProject.CURRENT_VERSION)) {
+    switch (projectInfo.version) {
+      case '0.0.0':
+        // Project was saved without a project.info.json file.
+        // Nothing needs to be done to upgrade to '0.0.1';
+        projectInfo.version = '0.0.1';
+        break;
+    }
+    await storageProject.saveProjectInfo(storage, projectName);
+  }
+}