feat: improves exporter

src/Support/Exporter.php

@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Support;
+
+use SebastianBergmann\Exporter\Exporter as BaseExporter;
+use SebastianBergmann\RecursionContext\Context;
+
+/**
+ * @internal
+ */
+final class Exporter
+{
+    /**
+     * The maximum number of items in an array to export.
+     */
+    private const MAX_ARRAY_ITEMS = 3;
+
+    /**
+     * Creates a new Exporter instance.
+     */
+    public function __construct(
+        private readonly BaseExporter $exporter,
+    ) {
+        // ...
+    }
+
+    /**
+     * Creates a new Exporter instance.
+     */
+    public static function default(): self
+    {
+        return new self(
+            new BaseExporter()
+        );
+    }
+
+    /**
+     * Exports a value into a single-line string recursively.
+     *
+     * @param  array<int|string, mixed>  $data
+     */
+    public function shortenedRecursiveExport(array &$data, Context $context = null): string
+    {
+        $result = [];
+        $array = $data;
+        $itemsCount = 0;
+        $exporter = self::default();
+        $context ??= new Context();
+
+        $context->add($data);
+
+        foreach ($array as $key => $value) {
+            if (++$itemsCount > self::MAX_ARRAY_ITEMS) {
+                $result[] = '…';
+
+                break;
+            }
+
+            if (! is_array($value)) {
+                $result[] = $exporter->shortenedExport($value);
+
+                continue;
+            }
+
+            $result[] = $context->contains($data[$key]) !== false
+                ? '*RECURSION*'
+                : sprintf('[%s]', $this->shortenedRecursiveExport($data[$key], $context));
+        }
+
+        return implode(', ', $result);
+    }
+
+    /**
+     * Exports a value into a single-line string.
+     */
+    public function shortenedExport(mixed $value): string
+    {
+        return (string) preg_replace(['#\.{3}#', '#\\\n\s*#'], ['…'], $this->exporter->shortenedExport($value));
+    }
+}