fix: package lock fingerprint

src/Plugins/Tia/Contracts/Lockfile.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Plugins\Tia\Contracts;
+
+/**
+ * @internal
+ */
+interface Lockfile
+{
+    public function applies(string $filename): bool;
+
+    public function fingerprint(string $contents): ?string;
+}

src/Plugins/Tia/Fingerprint.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Pest\Plugins\Tia;
 
+use Pest\Plugins\Tia\Contracts\Lockfile;
 use Symfony\Component\Finder\Finder;
 
 /**
@@ -11,7 +12,14 @@ use Symfony\Component\Finder\Finder;
  */
 final readonly class Fingerprint
 {
-    private const int SCHEMA_VERSION = 17;
+    private const int SCHEMA_VERSION = 18;
+
+    /**
+     * @var array<int, class-string<Lockfile>>
+     */
+    private const array LOCKFILES = [
+        Lockfiles\PackageLock::class,
+    ];
 
     /**
      * @return array{
@@ -205,7 +213,11 @@ final readonly class Fingerprint
         $parts = [];
 
         foreach (['package-lock.json', 'pnpm-lock.yaml', 'yarn.lock', 'bun.lock', 'bun.lockb'] as $name) {
-            $hash = self::trackedHash($projectRoot, $name);
+            if (! self::isTrackedByGit($projectRoot, $name)) {
+                continue;
+            }
+
+            $hash = self::lockfileHash($projectRoot.'/'.$name, $name);
 
             if ($hash !== null) {
                 $parts[] = $name.':'.$hash;
@@ -215,6 +227,37 @@ final readonly class Fingerprint
         return $parts === [] ? null : hash('xxh128', implode("\n", $parts));
     }
 
+    private static function lockfileHash(string $path, string $name): ?string
+    {
+        if (! is_file($path)) {
+            return null;
+        }
+
+        $contents = @file_get_contents($path);
+
+        if ($contents === false) {
+            return null;
+        }
+
+        foreach (self::LOCKFILES as $class) {
+            $handler = new $class;
+
+            if (! $handler->applies($name)) {
+                continue;
+            }
+
+            $fingerprint = $handler->fingerprint($contents);
+
+            if ($fingerprint !== null) {
+                return $fingerprint;
+            }
+
+            break;
+        }
+
+        return hash('xxh128', $contents);
+    }
+
     private static function trackedHash(string $projectRoot, string $relativePath): ?string
     {
         if (! self::isTrackedByGit($projectRoot, $relativePath)) {

src/Plugins/Tia/Lockfiles/PackageLock.php

@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Plugins\Tia\Lockfiles;
+
+use Pest\Plugins\Tia\Contracts\Lockfile;
+
+/**
+ * @internal
+ */
+final readonly class PackageLock implements Lockfile
+{
+    public function applies(string $filename): bool
+    {
+        return $filename === 'package-lock.json';
+    }
+
+    public function fingerprint(string $contents): ?string
+    {
+        $data = json_decode($contents, true);
+
+        if (! is_array($data) || ! isset($data['packages']) || ! is_array($data['packages'])) {
+            return null;
+        }
+
+        $packages = $data['packages'];
+
+        $platformPaths = [];
+
+        foreach ($packages as $path => $meta) {
+            if (is_string($path) && is_array($meta) && $this->isPlatformSpecific($meta)) {
+                $platformPaths[] = $path;
+            }
+        }
+
+        $entries = [];
+
+        foreach ($packages as $path => $meta) {
+            if (! is_string($path)) {
+                continue;
+            }
+            if (! is_array($meta)) {
+                continue;
+            }
+            if ($this->isPlatformSpecific($meta)) {
+                continue;
+            }
+            if ($this->isBundledUnderPlatform($path, $platformPaths)) {
+                continue;
+            }
+            $version = $meta['version'] ?? null;
+
+            $entries[$path] = is_string($version) ? $version : '';
+        }
+
+        ksort($entries);
+
+        $encoded = json_encode($entries, JSON_UNESCAPED_SLASHES);
+
+        return $encoded === false ? null : hash('xxh128', $encoded);
+    }
+
+    /**
+     * @param  array<string, mixed>  $meta
+     */
+    private function isPlatformSpecific(array $meta): bool
+    {
+        return isset($meta['os']) || isset($meta['cpu']) || isset($meta['libc']);
+    }
+
+    /**
+     * @param  list<string>  $platformPaths
+     */
+    private function isBundledUnderPlatform(string $path, array $platformPaths): bool
+    {
+        return array_any($platformPaths, fn (string $platformPath): bool => str_starts_with($path, $platformPath.'/node_modules/'));
+    }
+}