diff --git a/src/generators/json-simple/index.mjs b/src/generators/json-simple/index.mjs
index 938e1904..e97daef1 100644
--- a/src/generators/json-simple/index.mjs
+++ b/src/generators/json-simple/index.mjs
@@ -54,8 +54,15 @@ export default {
     // This simply grabs all the different files and stringifies them
     const stringifiedContent = JSON.stringify(mappedInput);
 
-    // Writes all the API docs stringified content into one file
-    // Note: The full JSON generator in the future will create one JSON file per top-level API doc file
-    await writeFile(join(options.output, 'api-docs.json'), stringifiedContent);
+    if (options.output) {
+      // Writes all the API docs stringified content into one file
+      // Note: The full JSON generator in the future will create one JSON file per top-level API doc file
+      await writeFile(
+        join(options.output, 'api-docs.json'),
+        stringifiedContent
+      );
+    }
+
+    return mappedInput;
   },
 };
diff --git a/src/generators/legacy-html-all/index.mjs b/src/generators/legacy-html-all/index.mjs
index 3cbd1ec7..f2e49884 100644
--- a/src/generators/legacy-html-all/index.mjs
+++ b/src/generators/legacy-html-all/index.mjs
@@ -29,7 +29,7 @@ import { getRemarkRehype } from '../../utils/remark.mjs';
  *
  * @typedef {Array<TemplateValues>} Input
  *
- * @type {import('../types.d.ts').GeneratorMetadata<Input, void>}
+ * @type {import('../types.d.ts').GeneratorMetadata<Input, string>}
  */
 export default {
   name: 'legacy-html-all',
@@ -96,6 +96,10 @@ export default {
       minifyJS: true,
     });
 
-    await writeFile(join(output, 'all.html'), minified);
+    if (output) {
+      await writeFile(join(output, 'all.html'), minified);
+    }
+
+    return minified;
   },
 };
diff --git a/src/generators/legacy-html/index.mjs b/src/generators/legacy-html/index.mjs
index d36e9906..94f91e5b 100644
--- a/src/generators/legacy-html/index.mjs
+++ b/src/generators/legacy-html/index.mjs
@@ -150,30 +150,34 @@ export default {
     for (const node of headNodes) {
       const result = processModuleNodes(node);
 
-      // We minify the html result to reduce the file size and keep it "clean"
-      const minified = await minify(result, {
-        collapseWhitespace: true,
-        minifyJS: true,
-      });
-
-      await writeFile(join(output, `${node.api}.html`), minified);
+      if (output) {
+        // We minify the html result to reduce the file size and keep it "clean"
+        const minified = await minify(result, {
+          collapseWhitespace: true,
+          minifyJS: true,
+        });
+
+        await writeFile(join(output, `${node.api}.html`), minified);
+      }
     }
 
-    // Define the output folder for API docs assets
-    const assetsFolder = join(output, 'assets');
-
-    // Removes the current assets directory to copy the new assets
-    // and prevent stale assets from existing in the output directory
-    // If the path does not exists, it will simply ignore and continue
-    await rm(assetsFolder, { recursive: true, force: true });
-
-    // We copy all the other assets to the output folder at the end of the process
-    // to ensure that all latest changes on the styles are applied to the output
-    // Note.: This is not meant to be used for DX/developer purposes.
-    await cp(join(baseDir, 'assets'), assetsFolder, {
-      recursive: true,
-      force: true,
-    });
+    if (output) {
+      // Define the output folder for API docs assets
+      const assetsFolder = join(output, 'assets');
+
+      // Removes the current assets directory to copy the new assets
+      // and prevent stale assets from existing in the output directory
+      // If the path does not exists, it will simply ignore and continue
+      await rm(assetsFolder, { recursive: true, force: true });
+
+      // We copy all the other assets to the output folder at the end of the process
+      // to ensure that all latest changes on the styles are applied to the output
+      // Note.: This is not meant to be used for DX/developer purposes.
+      await cp(join(baseDir, 'assets'), assetsFolder, {
+        recursive: true,
+        force: true,
+      });
+    }
 
     return generatedValues;
   },