refactor: drop webpack@4

Author: cap-Bernardito

src/index.js

@@ -177,7 +177,7 @@ class HtmlMinimizerPlugin {
               return;
             }
 
-            output.source = new RawSource(output.html);
+            output.source = new RawSource(output.code);
 
             await cacheItem.storePromise({
               source: output.source,

src/minify.js

@@ -26,7 +26,7 @@ const minify = async (options) => {
     const result = await minifyFn({ [assetName]: input }, minimizerOptions);
 
     return {
-      html: result,
+      code: result,
     };
   }
 
@@ -36,7 +36,7 @@ const minify = async (options) => {
   });
 
   return {
-    html: result,
+    code: result,
   };
 };
 

test/worker.test.js

@@ -11,9 +11,9 @@ describe('worker', () => {
       input: '<!-- Comment --><p title="blah" id="moo">     foo     </p>',
       minimizerOptions: { removeComments: false },
     };
-    const { html } = await transform(serialize(options));
+    const { code } = await transform(serialize(options));
 
-    expect(html).toMatchSnapshot('html');
+    expect(code).toMatchSnapshot('html');
   });
 
   it('should minify html', async () => {
@@ -28,9 +28,9 @@ describe('worker', () => {
         };
       },
     };
-    const { html } = await transform(serialize(options));
+    const { code } = await transform(serialize(options));
 
-    expect(html).toMatchSnapshot('html');
+    expect(code).toMatchSnapshot('html');
   });
 
   it('should emit error', async () => {