refactor: small (#2878)

Author: alexander-akait

lib/Server.js

@@ -45,7 +45,7 @@ class Server {
     this.options = options;
     this.logger = this.compiler.getInfrastructureLogger('webpack-dev-server');
     this.sockets = [];
-    this.contentBaseWatchers = [];
+    this.staticWatchers = [];
     // Keep track of websocket proxies for external websocket upgrade.
     this.websocketProxies = [];
     // this value of ws can be overwritten for tests
@@ -639,9 +639,9 @@ class Server {
     this.sockets = [];
 
     const prom = Promise.all(
-      this.contentBaseWatchers.map((watcher) => watcher.close())
+      this.staticWatchers.map((watcher) => watcher.close())
     );
-    this.contentBaseWatchers = [];
+    this.staticWatchers = [];
 
     this.listeningApp.kill(() => {
       // watchers must be closed before closing middleware
@@ -865,13 +865,15 @@ class Server {
     };
 
     const watcher = chokidar.watch(watchPath, finalWatchOptions);
+
     // disabling refreshing on changing the content
     if (this.options.liveReload) {
       watcher.on('change', () => {
         this.sockWrite(this.sockets, 'content-changed');
       });
     }
-    this.contentBaseWatchers.push(watcher);
+
+    this.staticWatchers.push(watcher);
   }
 
   invalidate(callback) {

test/server/liveReload-option.test.js

@@ -37,7 +37,7 @@ describe('liveReload option', () => {
     it('Should not reload on changing files', (done) => {
       let reloaded = false;
 
-      server.contentBaseWatchers[0].on('change', () => {
+      server.staticWatchers[0].on('change', () => {
         // it means that file has changed
 
         // simulating server behaviour
@@ -91,7 +91,7 @@ describe('liveReload option', () => {
     it('Should reload on changing files', (done) => {
       let reloaded = false;
 
-      server.contentBaseWatchers[0].on('change', () => {
+      server.staticWatchers[0].on('change', () => {
         // it means that files has changed
 
         // simulating server behaviour

test/server/static-directory-option.test.js

@@ -57,7 +57,7 @@ describe('static.directory option', () => {
     it('Watches folder recursively', (done) => {
       // chokidar emitted a change,
       // meaning it watched the file correctly
-      server.contentBaseWatchers[0].on('change', () => {
+      server.staticWatchers[0].on('change', () => {
         done();
       });
 
@@ -73,7 +73,7 @@ describe('static.directory option', () => {
 
       // chokidar emitted a change,
       // meaning it watched the file correctly
-      server.contentBaseWatchers[0].on('change', () => {
+      server.staticWatchers[0].on('change', () => {
         fs.unlinkSync(filePath);
         done();
       });