Remove Tapable#apply calls (#1331)

Author: ooflorent

bin/webpack-dev-server.js

@@ -386,9 +386,9 @@ function startDevServer(webpackOptions, options) {
   }
 
   if (options.progress) {
-    compiler.apply(new webpack.ProgressPlugin({
+    new webpack.ProgressPlugin({
       profile: argv.profile
-    }));
+    }).apply(compiler);
   }
 
   const suffix = (options.inline !== false || options.lazy === true ? '/' : '/webpack-dev-server/');

lib/Server.js

@@ -64,7 +64,7 @@ function Server(compiler, options, _log) {
       if (addInfo) msg = `${msg} (${addInfo})`;
       this.sockWrite(this.sockets, 'progress-update', { percent, msg });
     });
-    compiler.apply(progressPlugin);
+    progressPlugin.apply(compiler);
   }
 
   const addCompilerHooks = (comp) => {