refactor: Use early return pattern to avoid nested conditions (#566)

* refactor: Use early return pattern

Signed-off-by: jongwooo <[email protected]>

* fix: Replace throw with warn

Signed-off-by: jongwooo <[email protected]>

Signed-off-by: jongwooo <[email protected]>

Author: jongwooo

__tests__/utils.test.ts

@@ -42,14 +42,13 @@ describe('validateVersion', () => {
 describe('isCacheFeatureAvailable', () => {
   it('isCacheFeatureAvailable disabled on GHES', () => {
     jest.spyOn(cache, 'isFeatureAvailable').mockImplementation(() => false);
+    const infoMock = jest.spyOn(core, 'warning');
+    const message =
+      'Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.';
     try {
       process.env['GITHUB_SERVER_URL'] = 'http://example.com';
-      isCacheFeatureAvailable();
-    } catch (error) {
-      expect(error).toHaveProperty(
-        'message',
-        'Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.'
-      );
+      expect(isCacheFeatureAvailable()).toBeFalsy();
+      expect(infoMock).toHaveBeenCalledWith(message);
     } finally {
       delete process.env['GITHUB_SERVER_URL'];
     }

dist/setup/index.js

@@ -67057,16 +67057,15 @@ function isGhes() {
 }
 exports.isGhes = isGhes;
 function isCacheFeatureAvailable() {
-    if (!cache.isFeatureAvailable()) {
-        if (isGhes()) {
-            throw new Error('Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.');
-        }
-        else {
-            core.warning('The runner was not able to contact the cache service. Caching will be skipped');
-        }
+    if (cache.isFeatureAvailable()) {
+        return true;
+    }
+    if (isGhes()) {
+        core.warning('Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.');
         return false;
     }
-    return true;
+    core.warning('The runner was not able to contact the cache service. Caching will be skipped');
+    return false;
 }
 exports.isCacheFeatureAvailable = isCacheFeatureAvailable;
 function logWarning(message) {

src/utils.ts

@@ -105,21 +105,21 @@ export function isGhes(): boolean {
 }
 
 export function isCacheFeatureAvailable(): boolean {
-  if (!cache.isFeatureAvailable()) {
-    if (isGhes()) {
-      throw new Error(
-        'Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.'
-      );
-    } else {
-      core.warning(
-        'The runner was not able to contact the cache service. Caching will be skipped'
-      );
-    }
+  if (cache.isFeatureAvailable()) {
+    return true;
+  }
 
+  if (isGhes()) {
+    core.warning(
+      'Caching is only supported on GHES version >= 3.5. If you are on a version >= 3.5, please check with your GHES admin if the Actions cache service is enabled or not.'
+    );
     return false;
   }
 
-  return true;
+  core.warning(
+    'The runner was not able to contact the cache service. Caching will be skipped'
+  );
+  return false;
 }
 
 export function logWarning(message: string): void {