Improve code for phpstan level 6

.editorconfig

@@ -2,13 +2,11 @@
 
 root = true
 
-[*]
+[*.php]
+indent_size = 4
 indent_style = space
-indent_size = 2
+indent_size = 4
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
-
-[*.php]
-indent_size = 4

.gitattributes

@@ -7,5 +7,6 @@
 /.editorconfig export-ignore
 /phpunit.xml export-ignore
 /phpcs.xml export-ignore
+/phpstan.dist.neon export-ignore
 /docker-compose.yml export-ignore
 /Dockerfile export-ignore

docker-compose.yml

@@ -16,7 +16,7 @@ services:
   analysis:
     build: ./
     working_dir: /project
-    command: bash -c "composer install && ./vendor/bin/phpstan analyze --level=4 ./src"
+    command: bash -c "composer install && ./vendor/bin/phpstan analyze ./src"
     volumes:
       - ./:/project
   standards:

phpstan.dist.neon

@@ -0,0 +1,12 @@
+parameters:
+    level: 6
+    paths:
+        - src
+    exceptions:
+        check:
+            missingCheckedExceptionInThrows: true
+        uncheckedExceptionClasses:
+            - ImagickException
+            - ImagickDrawException
+            - ImagickPixelException
+            - Error

src/AbstractEntity.php

@@ -4,6 +4,7 @@
 
 namespace Intervention\Gif;
 
+use Intervention\Gif\Exceptions\EncoderException;
 use Intervention\Gif\Traits\CanDecode;
 use Intervention\Gif\Traits\CanEncode;
 use ReflectionClass;
@@ -28,6 +29,7 @@ public static function getShortClassname(): string
     /**
      * Cast object to string
      *
+     * @throws EncoderException
      * @return string
      */
     public function __toString(): string

src/Blocks/ApplicationExtension.php

@@ -20,41 +20,74 @@ class ApplicationExtension extends AbstractExtension
     /**
      * Data Sub Blocks
      *
-     * @var array
+     * @var array<DataSubBlock>
      */
     protected array $blocks = [];
 
+    /**
+     * Get size of block
+     *
+     * @return int
+     */
     public function getBlockSize(): int
     {
         return strlen($this->application);
     }
 
+    /**
+     * Set application name
+     *
+     * @param string $value
+     * @return ApplicationExtension
+     */
     public function setApplication(string $value): self
     {
         $this->application = $value;
 
         return $this;
     }
 
+    /**
+     * Get application name
+     *
+     * @return string
+     */
     public function getApplication(): string
     {
         return $this->application;
     }
 
+    /**
+     * Add block to application extension
+     *
+     * @param DataSubBlock $block
+     * @return ApplicationExtension
+     */
     public function addBlock(DataSubBlock $block): self
     {
         $this->blocks[] = $block;
 
         return $this;
     }
 
+    /**
+     *  Set data sub blocks of instance
+     *
+     * @param array<DataSubBlock> $blocks
+     * @return ApplicationExtension
+     */
     public function setBlocks(array $blocks): self
     {
         $this->blocks = $blocks;
 
         return $this;
     }
 
+    /**
+     * Get blocks of ApplicationExtension
+     *
+     * @return array<DataSubBlock>
+     */
     public function getBlocks(): array
     {
         return $this->blocks;

src/Blocks/ColorTable.php

@@ -11,7 +11,7 @@ class ColorTable extends AbstractEntity
     /**
      * Create new instance
      *
-     * @param array $colors
+     * @param array<Color> $colors
      * @return void
      */
     public function __construct(protected array $colors = [])
@@ -21,7 +21,7 @@ public function __construct(protected array $colors = [])
     /**
      * Return array of current colors
      *
-     * @return array
+     * @return array<Color>
      */
     public function getColors(): array
     {
@@ -34,6 +34,7 @@ public function getColors(): array
      * @param int $r
      * @param int $g
      * @param int $b
+     * @return self
      */
     public function addRgb(int $r, int $g, int $b): self
     {
@@ -46,6 +47,7 @@ public function addRgb(int $r, int $g, int $b): self
      * Add color to table
      *
      * @param Color $color
+     * @return self
      */
     public function addColor(Color $color): self
     {
@@ -57,7 +59,8 @@ public function addColor(Color $color): self
     /**
      * Reset colors to array of color objects
      *
-     * @param array $colors
+     * @param array<Color> $colors
+     * @return self
      */
     public function setColors(array $colors): self
     {

src/Blocks/CommentExtension.php

@@ -13,7 +13,7 @@ class CommentExtension extends AbstractExtension
     /**
      * Comment blocks
      *
-     * @var array
+     * @var array<string>
      */
     protected array $comments = [];
 

src/Blocks/DataSubBlock.php

@@ -9,6 +9,13 @@
 
 class DataSubBlock extends AbstractEntity
 {
+    /**
+     * Create new instance
+     *
+     * @param string $value
+     * @throws FormatException
+     * @return void
+     */
     public function __construct(protected string $value)
     {
         if ($this->getSize() > 255) {
@@ -18,11 +25,21 @@ public function __construct(protected string $value)
         }
     }
 
+    /**
+     * Return size of current block
+     *
+     * @return int
+     */
     public function getSize(): int
     {
         return strlen($this->value);
     }
 
+    /**
+     * Return block value
+     *
+     * @return string
+     */
     public function getValue(): string
     {
         return $this->value;