feat: kernel dump

src/KernelDump.php

@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest;
+
+use Pest\Support\View;
+use Symfony\Component\Console\Output\OutputInterface;
+
+final class KernelDump
+{
+    /**
+     * The output buffer, if any.
+     */
+    private string $buffer = '';
+
+    /**
+     * Creates a new Kernel Dump instance.
+     */
+    public function __construct(
+        private readonly OutputInterface $output,
+    ) {
+        // ...
+    }
+
+    /**
+     * Enable the output buffering.
+     */
+    public function enable(): void
+    {
+        ob_start(function (string $message): string {
+            $this->buffer .= $message;
+
+            return '';
+        });
+    }
+
+    /**
+     * Disable the output buffering.
+     */
+    public function disable(): void
+    {
+        ob_clean();
+
+        if ($this->buffer !== '') {
+            $this->flush('INFO');
+        }
+    }
+
+    /**
+     * Shutdown the output buffering.
+     */
+    public function shutdown(): void
+    {
+        ob_clean();
+
+        if ($this->buffer !== '') {
+            $this->flush('ERROR');
+        }
+    }
+
+    /**
+     * Flushes the buffer.
+     */
+    private function flush(string $type): void
+    {
+        View::renderUsing($this->output);
+
+        if ($this->isOpeningHeadline($this->buffer)) {
+            $this->buffer = implode(PHP_EOL, array_slice(explode(PHP_EOL, $this->buffer), 2));
+        }
+
+        $this->buffer = trim($this->buffer);
+        $this->buffer = rtrim($this->buffer, '.').'.';
+
+        View::render('components.badge', [
+            'type' => $type,
+            'content' => $this->buffer,
+        ]);
+
+        $this->buffer = '';
+    }
+
+    /**
+     * Checks if the given output contains an opening headline.
+     */
+    private function isOpeningHeadline(string $output): bool
+    {
+        return str_contains($output, 'by Sebastian Bergmann and contributors.');
+    }
+}