Optimize args and refs

PR-URL: #112

Author: tshemsedinov

lib/application.js

@@ -63,7 +63,7 @@ class Application extends events.EventEmitter {
   }
 
   runScript(methodName, session) {
-    const sandbox = session ? session.sandbox : this.sandbox;
+    const { sandbox } = (session || this);
     const script = this.api.get(methodName);
     if (!script) return null;
     return script.runInContext(sandbox, SCRIPT_OPTIONS);

lib/auth.js

@@ -57,8 +57,7 @@ module.exports = application => {
   const fillPool = () => {
     const need = SANDBOX_POOL - pool.length;
     for (let i = 0; i < need; i++) {
-      const sandbox = application.createSandbox();
-      pool.push(sandbox);
+      pool.push(application.createSandbox());
     }
   };
 

lib/server.js

@@ -55,13 +55,13 @@ class Client {
   }
 
   static() {
-    const { url } = this.req;
+    const { req: { url }, res, application } = this;
     const filePath = url === '/' ? '/index.html' : url;
     const fileExt = path.extname(filePath).substring(1);
     const mimeType = MIME_TYPES[fileExt] || MIME_TYPES.html;
-    this.res.writeHead(200, { 'Content-Type': mimeType });
-    const data = this.application.cache.get(filePath);
-    if (data) this.res.end(data);
+    res.writeHead(200, { 'Content-Type': mimeType });
+    const data = application.cache.get(filePath);
+    if (data) res.end(data);
     else this.error(404);
   }