refactor(server): remove some variables of options (#2175)

Author: hiroppy

lib/Server.js

@@ -84,21 +84,7 @@ class Server {
 
     this.sockets = [];
     this.contentBaseWatchers = [];
-
-    // TODO this.<property> is deprecated (remove them in next major release.) in favor this.options.<property>
     this.hot = this.options.hot || this.options.hotOnly;
-    this.headers = this.options.headers;
-    this.progress = this.options.progress;
-
-    this.serveIndex = this.options.serveIndex;
-
-    this.clientOverlay = this.options.overlay;
-    this.clientLogLevel = this.options.clientLogLevel;
-
-    this.publicHost = this.options.public;
-    this.allowedHosts = this.options.allowedHosts;
-    this.disableHostCheck = !!this.options.disableHostCheck;
-
     this.watchOptions = options.watchOptions || {};
 
     // Replace leading and trailing slashes to normalize path
@@ -108,7 +94,7 @@ class Server {
         : 'sockjs-node'
     }`;
 
-    if (this.progress) {
+    if (this.options.progress) {
       this.setupProgressPlugin();
     }
 
@@ -547,9 +533,10 @@ class Server {
     }
 
     // checking if it's set to true or not set (Default : undefined => true)
-    this.serveIndex = this.serveIndex || this.serveIndex === undefined;
+    this.options.serveIndex =
+      this.options.serveIndex || this.options.serveIndex === undefined;
 
-    if (this.options.contentBase && this.serveIndex) {
+    if (this.options.contentBase && this.options.serveIndex) {
       runnableFeatures.push('contentBaseIndex');
     }
 
@@ -706,8 +693,8 @@ class Server {
         }
       });
 
-      if (this.clientLogLevel) {
-        this.sockWrite([connection], 'log-level', this.clientLogLevel);
+      if (this.options.clientLogLevel) {
+        this.sockWrite([connection], 'log-level', this.options.clientLogLevel);
       }
 
       if (this.hot) {
@@ -719,12 +706,12 @@ class Server {
         this.sockWrite([connection], 'liveReload', this.options.liveReload);
       }
 
-      if (this.progress) {
-        this.sockWrite([connection], 'progress', this.progress);
+      if (this.options.progress) {
+        this.sockWrite([connection], 'progress', this.options.progress);
       }
 
-      if (this.clientOverlay) {
-        this.sockWrite([connection], 'overlay', this.clientOverlay);
+      if (this.options.overlay) {
+        this.sockWrite([connection], 'overlay', this.options.overlay);
       }
 
       if (!this._stats) {
@@ -817,10 +804,10 @@ class Server {
   }
 
   setContentHeaders(req, res, next) {
-    if (this.headers) {
+    if (this.options.headers) {
       // eslint-disable-next-line
-      for (const name in this.headers) {
-        res.setHeader(name, this.headers[name]);
+      for (const name in this.options.headers) {
+        res.setHeader(name, this.options.headers[name]);
       }
     }
 
@@ -836,8 +823,10 @@ class Server {
   }
 
   checkHeaders(headers, headerToCheck) {
+    const optionsDisableHostCheck = !!this.options.disableHostCheck;
+
     // allow user to opt-out this security check, at own risk
-    if (this.disableHostCheck) {
+    if (optionsDisableHostCheck) {
       return true;
     }
 
@@ -879,9 +868,13 @@ class Server {
     }
     // always allow localhost host, for convenience
     // allow if hostname is in allowedHosts
-    if (this.allowedHosts && this.allowedHosts.length) {
-      for (let hostIdx = 0; hostIdx < this.allowedHosts.length; hostIdx++) {
-        const allowedHost = this.allowedHosts[hostIdx];
+    if (this.options.allowedHosts && this.options.allowedHosts.length) {
+      for (
+        let hostIdx = 0;
+        hostIdx < this.options.allowedHosts.length;
+        hostIdx++
+      ) {
+        const allowedHost = this.options.allowedHosts[hostIdx];
 
         if (allowedHost === hostname) {
           return true;
@@ -903,10 +896,12 @@ class Server {
     }
 
     // also allow public hostname if provided
-    if (typeof this.publicHost === 'string') {
-      const idxPublic = this.publicHost.indexOf(':');
+    if (typeof this.options.public === 'string') {
+      const idxPublic = this.options.public.indexOf(':');
       const publicHostname =
-        idxPublic >= 0 ? this.publicHost.substr(0, idxPublic) : this.publicHost;
+        idxPublic >= 0
+          ? this.options.public.substr(0, idxPublic)
+          : this.options.public;
 
       if (hostname === publicHostname) {
         return true;