use all formatters by default

Author: Oscar Otero

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [3.0.0] - 2019-11-29
 ### Changed
 - Merged `JpegFormatter`, `GifFormatter` and `PngFormatter` in one `ImageFormatter`.
+- By default, all formatters are used.
 
 ### Removed
 - Support for PHP 7.0 and 7.1

README.md

@@ -58,7 +58,7 @@ $response = $dispatcher->dispatch($request);
 
 ## Usage
 
-Add the [formatters](src/Formatter) to be used (instances of `Middlewares\ErrorFormatter\FormatterInterface`).
+Add the [formatters](src/Formatter) to be used (instances of `Middlewares\ErrorFormatter\FormatterInterface`). If no formatters are provided, use all available.
 
 ```php
 $errorHandler = new ErrorHandler([

src/ErrorHandler.php

@@ -4,7 +4,6 @@
 namespace Middlewares;
 
 use Middlewares\ErrorFormatter\FormatterInterface;
-use Middlewares\ErrorFormatter\PlainFormatter;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\MiddlewareInterface;
@@ -21,8 +20,19 @@ class ErrorHandler implements MiddlewareInterface
      *
      * @param FormatterInterface[] $formatters
      */
-    public function __construct(array $formatters = [])
+    public function __construct(array $formatters = null)
     {
+        if (empty($formatters)) {
+            $formatters = [
+                new ErrorFormatter\PlainFormatter(),
+                new ErrorFormatter\HtmlFormatter(),
+                new ErrorFormatter\ImageFormatter(),
+                new ErrorFormatter\JsonFormatter(),
+                new ErrorFormatter\SvgFormatter(),
+                new ErrorFormatter\XmlFormatter(),
+            ];
+        }
+
         $this->addFormatters(...$formatters);
     }
 
@@ -49,7 +59,7 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
                 }
             }
 
-            $default = current($this->formatters);
+            $default = reset($this->formatters);
 
             return $default->handle($error, $request);
         }