Use early return pattern to avoid nested conditions

__tests__/cache-utils.test.ts

@@ -46,7 +46,8 @@ describe('cache-utils', () => {
     isFeatureAvailable.mockImplementation(() => false);
     process.env['GITHUB_SERVER_URL'] = 'https://www.test.com';
 
-    expect(() => isCacheFeatureAvailable()).toThrowError(
+    expect(isCacheFeatureAvailable()).toBeFalsy();
+    expect(warningSpy).toHaveBeenCalledWith(
       'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
     );
   });

__tests__/installer.test.ts

@@ -728,8 +728,9 @@ describe('setup-node', () => {
 
       await main.run();
 
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::error::Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.${osm.EOL}`
+      expect(warningSpy).toHaveBeenCalledWith(
+        //  `::error::Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.${osm.EOL}`
+        'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
       );
     });
 

dist/cache-save/index.js

@@ -61185,16 +61185,14 @@ function isGhes() {
 }
 exports.isGhes = isGhes;
 function isCacheFeatureAvailable() {
-    if (!cache.isFeatureAvailable()) {
-        if (isGhes()) {
-            throw new Error('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if 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('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if 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;
 

dist/setup/index.js

@@ -73139,16 +73139,14 @@ function isGhes() {
 }
 exports.isGhes = isGhes;
 function isCacheFeatureAvailable() {
-    if (!cache.isFeatureAvailable()) {
-        if (isGhes()) {
-            throw new Error('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if 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('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if 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;
 

src/cache-utils.ts

@@ -105,19 +105,18 @@ export function isGhes(): boolean {
 }
 
 export function isCacheFeatureAvailable(): boolean {
-  if (!cache.isFeatureAvailable()) {
-    if (isGhes()) {
-      throw new Error(
-        'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if 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(
+      'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if 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;
 }