@aws-amplify/backend should inherit version bump of same kind from dependencies

package.json

@@ -64,6 +64,7 @@
     "@aws-sdk/client-ssm": "^3.624.0",
     "@changesets/cli": "^2.26.1",
     "@changesets/get-release-plan": "^4.0.0",
+    "@changesets/types": "^6.0.0",
     "@microsoft/api-extractor": "7.43.8",
     "@octokit/webhooks-types": "^7.5.1",
     "@shopify/eslint-plugin": "^43.0.0",

scripts/check_changeset_completeness.ts

@@ -2,6 +2,108 @@ import getReleasePlan from '@changesets/get-release-plan';
 import { GitClient } from './components/git_client.js';
 import { readPackageJson } from './components/package-json/package_json.js';
 import { EOL } from 'os';
+import { ReleasePlan, VersionType } from '@changesets/types';
+
+enum VersionTypeEnum {
+  'NONE' = 0,
+  'PATCH' = 1,
+  'MINOR' = 2,
+  'MAJOR' = 3,
+}
+
+const getModifiedPackages = (changedFiles: string[]): Set<string> => {
+  const modifiedPackageDirs = new Set<string>();
+
+  changedFiles
+    .filter(
+      (changedFile) =>
+        changedFile.startsWith('packages/') && !changedFile.endsWith('test.ts')
+    )
+    .forEach((changedPackageFile) => {
+      modifiedPackageDirs.add(
+        changedPackageFile.split('/').slice(0, 2).join('/')
+      );
+    });
+  return modifiedPackageDirs;
+};
+
+const versionTypeConverter = (version: VersionType): VersionTypeEnum => {
+  switch (version) {
+    case 'major':
+      return VersionTypeEnum.MAJOR;
+    case 'minor':
+      return VersionTypeEnum.MINOR;
+    case 'patch':
+      return VersionTypeEnum.PATCH;
+    case 'none':
+      return VersionTypeEnum.NONE;
+  }
+};
+
+const findEffectiveVersion = (
+  releasePlan: ReleasePlan,
+  packageName: string
+): VersionTypeEnum => {
+  let effectiveVersion: VersionTypeEnum = VersionTypeEnum.NONE;
+
+  for (const changeset of releasePlan.changesets) {
+    for (const release of changeset.releases) {
+      if (release.name === packageName) {
+        const releaseVersionType = versionTypeConverter(release.type);
+        if (releaseVersionType > effectiveVersion) {
+          effectiveVersion = releaseVersionType;
+        }
+      }
+    }
+  }
+  return effectiveVersion;
+};
+
+const maxVersion = (
+  version1: VersionTypeEnum,
+  version2: VersionTypeEnum,
+  version3: VersionTypeEnum,
+  version4: VersionTypeEnum
+) => {
+  return Math.max(version1, version2, version3, version4);
+};
+
+const checkBackendDependenciesVersion = (releasePlan: ReleasePlan) => {
+  const backendVersion: VersionTypeEnum = findEffectiveVersion(
+    releasePlan,
+    '@aws-amplify/backend'
+  );
+  const backendAuthVersion: VersionTypeEnum = findEffectiveVersion(
+    releasePlan,
+    '@aws-amplify/backend-auth'
+  );
+  const backendDataVersion: VersionTypeEnum = findEffectiveVersion(
+    releasePlan,
+    '@aws-amplify/backend-data'
+  );
+  const backendFunctionVersion: VersionTypeEnum = findEffectiveVersion(
+    releasePlan,
+    '@aws-amplify/backend-function'
+  );
+  const backendStorageVersion: VersionTypeEnum = findEffectiveVersion(
+    releasePlan,
+    '@aws-amplify/backend-storage'
+  );
+
+  if (
+    backendVersion <
+    maxVersion(
+      backendAuthVersion,
+      backendDataVersion,
+      backendFunctionVersion,
+      backendStorageVersion
+    )
+  ) {
+    throw new Error(
+      `@aws-amplify/backend has a version bump of a different kind from its dependencies (@aws-amplify/backend-auth, @aws-amplify/backend-data, @aws-amplify/backend-function, and @aws-amplify/backend-storage) but is expected to have a version bump of the same kind.${EOL}`
+    );
+  }
+};
 
 const gitClient = new GitClient();
 
@@ -18,18 +120,7 @@ const packagesWithChangeset = new Set(
 
 const changedFiles = await gitClient.getChangedFiles(baseRef);
 
-const modifiedPackageDirs = new Set<string>();
-
-changedFiles
-  .filter(
-    (changedFile) =>
-      changedFile.startsWith('packages/') && !changedFile.endsWith('test.ts')
-  )
-  .forEach((changedPackageFile) => {
-    modifiedPackageDirs.add(
-      changedPackageFile.split('/').slice(0, 2).join('/')
-    );
-  });
+const modifiedPackageDirs = getModifiedPackages(changedFiles);
 
 const packagesMissingChangesets = [];
 for (const modifiedPackageDir of modifiedPackageDirs) {
@@ -50,3 +141,5 @@ if (packagesMissingChangesets.length > 0) {
     )}${EOL}${EOL}Add a changeset using 'npx changeset add'.`
   );
 }
+
+checkBackendDependenciesVersion(releasePlan);