feat: plugin support

Author: bjohansebas

lib/Server.js

@@ -311,6 +311,8 @@ const DEFAULT_ALLOWED_PROTOCOLS = /^(file|.+-extension):/i;
  * @property {typeof useFn} use
  */
 
+const pluginName = "webpack-dev-server";
+
 /**
  * @template {BasicApplication} [A=ExpressApplication]
  * @template {BasicServer} [S=HTTPServer]
@@ -330,7 +332,7 @@ class Server {
     /**
      * @type {ReturnType<Compiler["getInfrastructureLogger"]>}
      */
-    this.logger = this.compiler.getInfrastructureLogger("webpack-dev-server");
+    this.logger = this.compiler.getInfrastructureLogger(pluginName);
     this.options = options;
     /**
      * @type {FSWatcher[]}
@@ -3414,6 +3416,23 @@ class Server {
       .then(() => callback(), callback)
       .catch(callback);
   }
+
+  /**
+   * @param {Compiler} compiler compiler
+   * @returns {void}
+   */
+  apply(compiler) {
+    const pluginName = this.constructor.name;
+    this.compiler = compiler;
+
+    this.compiler.hooks.watchRun.tapPromise(pluginName, async () => {
+      await this.start();
+    });
+
+    this.compiler.hooks.watchClose.tap(pluginName, async () => {
+      await this.stop();
+    });
+  }
 }
 
 module.exports = Server;