diff --git a/compiler/Compiler.php b/compiler/Compiler.php
index c13ee19..549f728 100644
--- a/compiler/Compiler.php
+++ b/compiler/Compiler.php
@@ -1,16 +1,20 @@
 <?php
 
-namespace InnStudio\Compiler;
+namespace InnStudio\Prober\Compiler;
 
 class Compiler
 {
-    private $baseDir         = '';
-    private $compileFilePath = '';
+    private $ROOT              = '';
+    private $BASE_DIR          = '';
+    private $COMPILE_FILE_PATH = '';
+    private $COMPONENTS_DIR    = '';
 
     public function __construct(string $dir)
     {
-        $this->baseDir         = "{$dir}/src";
-        $this->compileFilePath = "{$dir}/dist/prober.php";
+        $this->ROOT              = $dir;
+        $this->BASE_DIR          = "{$dir}/src";
+        $this->COMPONENTS_DIR    = "{$this->BASE_DIR}/Components";
+        $this->COMPILE_FILE_PATH = "{$dir}/dist/prober.php";
 
         // lang
         $this->languageGeneration($dir);
@@ -19,7 +23,7 @@ class Compiler
 
         $code = '';
 
-        foreach ($this->yieldFiles($this->baseDir) as $filePath) {
+        foreach ($this->yieldFiles($this->COMPONENTS_DIR) as $filePath) {
             if (\is_dir($filePath) || false === \strpos($filePath, '.php')) {
                 continue;
             }
@@ -30,6 +34,7 @@ class Compiler
 
         $preDefineCode = $this->preDefine([
             $this->getTimerCode(),
+            $this->getDevMode(),
             $this->getDebugCode(),
             $this->getLangLoaderCode(),
         ]);
@@ -38,6 +43,15 @@ class Compiler
         $code = \preg_replace("/(\r|\n)+/", "\n", $code);
 
         if (true === $this->writeFile($code)) {
+            new ScriptGeneration([
+                'scriptFilePath' => "{$this->ROOT}/tmp/app.js",
+                'distFilePath'   => $this->COMPILE_FILE_PATH,
+            ]);
+            new StyleGeneration([
+                'styleFilePath' => "{$this->ROOT}/tmp/app.css",
+                'distFilePath'  => $this->COMPILE_FILE_PATH,
+            ]);
+            $this->isDev() || $this->writeFile(\php_strip_whitespace($this->COMPILE_FILE_PATH));
             echo 'Compiled!';
         } else {
             echo 'Failed.';
@@ -49,7 +63,7 @@ class Compiler
         echo "Generating I18n language pack...\n";
 
         $langGen = new LanguageGeneration("{$dir}/languages");
-        $status  = $langGen->writeJsonFile("{$dir}/src/I18n/Lang.json");
+        $status  = $langGen->writeJsonFile("{$this->COMPONENTS_DIR}/I18n/Lang.json");
 
         if ( ! $status) {
             die("Error: can not generate languages.\n");
@@ -100,31 +114,40 @@ class Compiler
     {
         $codeStr = \implode("\n", $code);
 
-        return <<<EOT
-namespace InnStudio\Prober\PreDefine;
+        return <<<PHP
+namespace InnStudio\\Prober\\Components\\PreDefine;
 {$codeStr}
-EOT;
+PHP;
+    }
+
+    private function getDevMode(): string
+    {
+        $isDev = $this->isDev() ? 'true' : 'false';
+
+        return <<<PHP
+\define('IS_DEV', {$isDev});
+PHP;
     }
 
     private function getTimerCode(): string
     {
-        return <<<EOT
+        return <<<'PHP'
 \define('TIMER', \microtime(true));
-EOT;
+PHP;
     }
 
     private function getDebugCode(): string
     {
         $debug = $this->isDev() ? 'true' : 'false';
 
-        return <<<EOT
-\define('DEBUG', {$debug});
-EOT;
+        return <<<PHP
+\\define('DEBUG', {$debug});
+PHP;
     }
 
     private function getLangLoaderCode(): string
     {
-        $filePath = $this->baseDir . '/I18n/Lang.json';
+        $filePath = $this->COMPONENTS_DIR . '/I18n/Lang.json';
 
         if ( ! \is_readable($filePath)) {
             die('Language is missing.');
@@ -144,16 +167,15 @@ EOT;
         }
 
         $json = \base64_encode(\json_encode($json));
-        $json = <<<EOT
-\define('LANG', '{$json}');
-EOT;
 
-        return $json;
+        return <<<PHP
+\\define('LANG', '{$json}');
+PHP;
     }
 
     private function loader(): string
     {
-        $dirs = \glob($this->baseDir . '/*');
+        $dirs = \glob($this->COMPONENTS_DIR . '/*');
 
         if ( ! $dirs) {
             return '';
@@ -169,14 +191,14 @@ EOT;
                 continue;
             }
 
-            if ('Entry' === $basename) {
+            if ('Bootstrap' === $basename) {
                 continue;
             }
 
-            $files[] = "new \\InnStudio\\Prober\\{$basename}\\{$basename}();";
+            $files[] = "new \\InnStudio\\Prober\\Components\\{$basename}\\{$basename}();";
         }
 
-        $files[] = 'new \\InnStudio\\Prober\\Entry\\Entry();';
+        $files[] = 'new \\InnStudio\\Prober\\Components\\Bootstrap\\Bootstrap();';
 
         return \implode("\n", $files);
     }
@@ -214,12 +236,12 @@ EOT;
 
     private function writeFile(string $data): bool
     {
-        $dir = \dirname($this->compileFilePath);
+        $dir = \dirname($this->COMPILE_FILE_PATH);
 
         if ( ! \is_dir($dir)) {
             \mkdir($dir, 0755, true);
         }
 
-        return (bool) \file_put_contents($this->compileFilePath, $data);
+        return (bool) \file_put_contents($this->COMPILE_FILE_PATH, $data);
     }
 }
diff --git a/compiler/LanguageGeneration.php b/compiler/LanguageGeneration.php
index 9a34aa2..d7a97e2 100644
--- a/compiler/LanguageGeneration.php
+++ b/compiler/LanguageGeneration.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace InnStudio\Compiler;
+namespace InnStudio\Prober\Compiler;
 
 use Gettext\Translations;
 
diff --git a/compiler/ScriptGeneration.php b/compiler/ScriptGeneration.php
new file mode 100644
index 0000000..55741e8
--- /dev/null
+++ b/compiler/ScriptGeneration.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace InnStudio\Prober\Compiler;
+
+class ScriptGeneration
+{
+    private $scriptFilePath = '';
+
+    private $distFilePath = '';
+
+    public function __construct(array $args)
+    {
+        [
+            'scriptFilePath' => $this->scriptFilePath,
+            'distFilePath'   => $this->distFilePath,
+        ] = $args;
+
+        if ( ! \is_file($this->scriptFilePath)) {
+            $this->die("File not found: {$this->scriptFilePath}");
+        }
+
+        if ( ! \is_file($this->distFilePath)) {
+            $this->die("File not found: {$this->distFilePath}");
+        }
+
+        if ( ! $this->setScript($this->getScript())) {
+            $this->die('Error: can not write script content to dist.');
+        }
+
+        $this->die('Script content wrote successful.', false);
+    }
+
+    private function getScript(): string
+    {
+        return (string) \file_get_contents($this->scriptFilePath);
+    }
+
+    private function setScript(string $script): bool
+    {
+        $dist = (string) \file_get_contents($this->distFilePath);
+
+        if ( ! $dist) {
+            return false;
+        }
+
+        $dist = \str_replace('{INN_SCRIPT}', $script, $dist);
+
+        return (bool) \file_put_contents($this->distFilePath, $dist);
+    }
+
+    private function die(string $msg, bool $die = true): void
+    {
+        $msg = "[ScriptGeneration] {$msg}\n";
+
+        if ($die) {
+            die($msg);
+        }
+
+        echo $msg;
+    }
+}
diff --git a/compiler/StyleGeneration.php b/compiler/StyleGeneration.php
new file mode 100644
index 0000000..a97071d
--- /dev/null
+++ b/compiler/StyleGeneration.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace InnStudio\Prober\Compiler;
+
+class StyleGeneration
+{
+    private $styleFilePath = '';
+
+    private $distFilePath = '';
+
+    public function __construct(array $args)
+    {
+        [
+            'styleFilePath' => $this->styleFilePath,
+            'distFilePath'  => $this->distFilePath,
+        ] = $args;
+
+        if ( ! \is_file($this->styleFilePath)) {
+            $this->die("File not found: {$this->styleFilePath}");
+        }
+
+        if ( ! \is_file($this->distFilePath)) {
+            $this->die("File not found: {$this->distFilePath}");
+        }
+
+        if ( ! $this->setStyle($this->getStyle())) {
+            $this->die('Error: can not write style content to dist.');
+        }
+
+        $this->die('Style content wrote successful.', false);
+    }
+
+    private function getStyle(): string
+    {
+        return (string) \file_get_contents($this->styleFilePath);
+    }
+
+    private function setStyle(string $style): bool
+    {
+        $dist = (string) \file_get_contents($this->distFilePath);
+
+        if ( ! $dist) {
+            return false;
+        }
+
+        $dist = \str_replace('{INN_STYLE}', $style, $dist);
+
+        return (bool) \file_put_contents($this->distFilePath, $dist);
+    }
+
+    private function die(string $msg, bool $die = true): void
+    {
+        $msg = "[StyleGeneration] {$msg}\n";
+
+        if ($die) {
+            die($msg);
+        }
+
+        echo $msg;
+    }
+}