Phan fixed!

src/Commands/CreateCsv.php

@@ -20,6 +20,9 @@
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputOption;
 
+/**
+ * @psalm-suppress PropertyNotSetInConstructor
+ */
 final class CreateCsv extends CliCommand
 {
     protected function configure(): void

src/Commands/CreateSchema.php

@@ -20,6 +20,9 @@
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputOption;
 
+/**
+ * @psalm-suppress PropertyNotSetInConstructor
+ */
 final class CreateSchema extends CliCommand
 {
     protected function configure(): void

src/Commands/ValidateCsv.php

@@ -23,6 +23,9 @@
 use JBZoo\CsvBlueprint\Validators\ErrorSuite;
 use Symfony\Component\Console\Input\InputOption;
 
+/**
+ * @psalm-suppress PropertyNotSetInConstructor
+ */
 final class ValidateCsv extends CliCommand
 {
     protected function configure(): void

src/Commands/ValidateDir.php

@@ -19,6 +19,9 @@
 use JBZoo\Cli\CliCommand;
 use Symfony\Component\Console\Input\InputArgument;
 
+/**
+ * @psalm-suppress PropertyNotSetInConstructor
+ */
 final class ValidateDir extends CliCommand
 {
     protected function configure(): void

src/Csv/CsvFile.php

@@ -63,10 +63,7 @@ public function getHeader(): array
         return [];
     }
 
-    /**
-     * @return iterable|\League\Csv\MapIterator
-     */
-    public function getRecords(): iterable
+    public function getRecords(): \Iterator
     {
         return $this->reader->getRecords($this->getHeader());
     }

src/Schema.php

@@ -44,7 +44,9 @@ public function __construct(null|array|string $csvSchemaFilenameOrArray = null)
             && \file_exists($csvSchemaFilenameOrArray)
         ) {
             $this->filename = $csvSchemaFilenameOrArray;
+            $this->data     = new Data();
             $fileExtension  = \pathinfo($csvSchemaFilenameOrArray, \PATHINFO_EXTENSION);
+
             if ($fileExtension === 'yml' || $fileExtension === 'yaml') {
                 $this->data = yml($csvSchemaFilenameOrArray);
             } elseif ($fileExtension === 'json') {
@@ -54,6 +56,9 @@ public function __construct(null|array|string $csvSchemaFilenameOrArray = null)
             } else {
                 throw new \InvalidArgumentException("Unsupported file extension: {$fileExtension}");
             }
+        } else {
+            $this->filename = null;
+            $this->data     = new Data();
         }
 
         $this->columns = $this->prepareColumns();

src/Validators/ErrorSuite.php

@@ -51,13 +51,14 @@ public function render(string $mode = self::RENDER_TEXT): string
             return '';
         }
 
-        $map = [
-            self::RENDER_TEXT     => fn () => $this->renderPlainText(),
-            self::RENDER_TABLE    => fn () => $this->renderTable(),
-            self::RENDER_GITHUB   => fn () => (new GithubCliConverter())->fromInternal($this->prepareSourceSuite()),
-            self::RENDER_GITLAB   => fn () => (new GitLabJsonConverter())->fromInternal($this->prepareSourceSuite()),
-            self::RENDER_TEAMCITY => fn () => (new TeamCityTestsConverter())->fromInternal($this->prepareSourceSuite()),
-            self::RENDER_JUNIT    => fn () => (new JUnitConverter())->fromInternal($this->prepareSourceSuite()),
+        $sourceSuite = $this->prepareSourceSuite();
+        $map         = [
+            self::RENDER_TEXT     => fn (): string => $this->renderPlainText(),
+            self::RENDER_TABLE    => fn (): string => $this->renderTable(),
+            self::RENDER_GITHUB   => static fn (): string => (new GithubCliConverter())->fromInternal($sourceSuite),
+            self::RENDER_GITLAB   => static fn (): string => (new GitLabJsonConverter())->fromInternal($sourceSuite),
+            self::RENDER_TEAMCITY => static fn (): string => (new TeamCityTestsConverter())->fromInternal($sourceSuite),
+            self::RENDER_JUNIT    => static fn (): string => (new JUnitConverter())->fromInternal($sourceSuite),
         ];
 
         if (isset($map[$mode])) {

src/Validators/Rules/Regex.php

@@ -24,7 +24,11 @@ public function validateRule(?string $cellValue): ?string
     {
         $regex = Utils::prepareRegex($this->getOptionAsString());
 
-        if (\preg_match((string)$regex, (string)$cellValue) === 0) {
+        if ($regex === null || $regex === '') {
+            return 'Regex pattern is not defined';
+        }
+
+        if (\preg_match($regex, (string)$cellValue) === 0) {
             return "Value \"{$cellValue}\" does not match the pattern \"{$regex}\"";
         }
 

src/Validators/Rules/UsaMarketName.php

@@ -25,7 +25,7 @@ public function validateRule(?string $cellValue): ?string
         }
 
         if (\preg_match('/^[A-Za-z0-9\s-]+, [A-Z]{2}$/u', (string)$cellValue) === 0) {
-            return 'Invalid market name format for value "' . $cellValue . '". ' .
+            return "Invalid market name format for value \"{$cellValue}\". " .
                 'Market name must have format "New York, NY"';
         }
 

src/Validators/Ruleset.php

@@ -28,12 +28,17 @@ final class Ruleset
     public function __construct(array $rules, string $columnNameId)
     {
         $this->columnNameId = $columnNameId;
+        $this->rules        = [];
 
         foreach ($rules as $ruleName => $options) {
             $this->rules[] = $this->createRule($ruleName, $options);
         }
     }
 
+    /**
+     * @psalm-suppress MoreSpecificReturnType
+     * @psalm-suppress LessSpecificReturnStatement
+     */
     public function createRule(string $ruleName, null|array|bool|float|int|string $options = null): AbstarctRule
     {
         $classname = __NAMESPACE__ . '\\Rules\\' . Utils::kebabToCamelCase($ruleName);