Fix types for extensions

To accompany FreshRSS/Extensions#185

lib/Minz/Extension.php

@@ -164,7 +164,7 @@ private function setType(string $type): void {
 	 * Return the url for a given file.
 	 *
 	 * @param string $filename name of the file to serve.
-	 * @param 'css'|'js' $type the type (js or css) of the file to serve.
+	 * @param 'css'|'js'|'svg' $type the type (js or css or svg) of the file to serve.
 	 * @param bool $isStatic indicates if the file is a static file or a user file. Default is static.
 	 * @return string url corresponding to the file.
 	 */

lib/Minz/Mailer.php

@@ -39,10 +39,18 @@ class Minz_Mailer {
 	private int $debug_level;
 
 	/**
-	 * Constructor.
+	 * @phpstan-param class-string|'' $viewType
+	 * @param string $viewType Name of the class (inheriting from Minz_View) to use for the view model
 	 */
-	public function __construct () {
-		$this->view = new Minz_View();
+	public function __construct(string $viewType = '') {
+		$view = null;
+		if ($viewType !== '' && class_exists($viewType)) {
+			$view = new $viewType();
+			if (!($view instanceof Minz_View)) {
+				$view = null;
+			}
+		}
+		$this->view = $view ?? new Minz_View();
 		$this->view->_layout(null);
 		$this->view->attributeParams();
 

lib/Minz/View.php

@@ -157,7 +157,7 @@ public function helperToString(string $helper): string {
 
 	/**
 	 * Choose the current view layout.
-	 * @param string|null $layout the layout name to use, false to use no layouts.
+	 * @param string|null $layout the layout name to use, null to use no layouts.
 	 */
 	public function _layout(?string $layout): void {
 		if ($layout != null) {
@@ -205,7 +205,7 @@ public static function appendTitle(string $title): void {
 	 */
 	public static function headStyle(): string {
 		$styles = '';
-		foreach(self::$styles as $style) {
+		foreach (self::$styles as $style) {
 			$styles .= '<link rel="stylesheet" ' .
 				($style['media'] === 'all' ? '' : 'media="' . $style['media'] . '" ') .
 				'href="' . $style['url'] . '" />';
@@ -220,10 +220,13 @@ public static function headStyle(): string {
 	 * @param bool $cond Conditional comment for IE, now deprecated and ignored @deprecated
 	 */
 	public static function prependStyle(string $url, string $media = 'all', bool $cond = false): void {
-		array_unshift (self::$styles, array (
+		if ($url === '') {
+			return;
+		}
+		array_unshift(self::$styles, [
 			'url' => $url,
 			'media' => $media,
-		));
+		]);
 	}
 
 	/**
@@ -233,10 +236,13 @@ public static function prependStyle(string $url, string $media = 'all', bool $co
 	 * @param bool $cond Conditional comment for IE, now deprecated and ignored @deprecated
 	 */
 	public static function appendStyle(string $url, string $media = 'all', bool $cond = false): void {
-		self::$styles[] = array (
+		if ($url === '') {
+			return;
+		}
+		self::$styles[] = [
 			'url' => $url,
 			'media' => $media,
-		);
+		];
 	}
 
 	/**
@@ -298,12 +304,15 @@ public static function headScript(): string {
 	 * @param string $id Add a script `id` attribute
 	 */
 	public static function prependScript(string $url, bool $cond = false, bool $defer = true, bool $async = true, string $id = ''): void {
-		array_unshift(self::$scripts, array (
+		if ($url === '') {
+			return;
+		}
+		array_unshift(self::$scripts, [
 			'url' => $url,
 			'defer' => $defer,
 			'async' => $async,
 			'id' => $id,
-		));
+		]);
 	}
 
 	/**
@@ -315,12 +324,15 @@ public static function prependScript(string $url, bool $cond = false, bool $defe
 	 * @param string $id Add a script `id` attribute
 	 */
 	public static function appendScript(string $url, bool $cond = false, bool $defer = true, bool $async = true, string $id = ''): void {
-		self::$scripts[] = array (
+		if ($url === '') {
+			return;
+		}
+		self::$scripts[] = [
 			'url' => $url,
 			'defer' => $defer,
 			'async' => $async,
 			'id' => $id,
-		);
+		];
 	}
 
 	/**