No cache by default

Author: olvlvl

src/Config.php

@@ -4,11 +4,13 @@
 
 use Composer\Factory;
 use Composer\PartialComposer;
+use Composer\Util\Platform;
 use InvalidArgumentException;
 use RuntimeException;
 
 use function array_map;
 use function dirname;
+use function filter_var;
 use function implode;
 use function is_string;
 use function preg_quote;
@@ -28,6 +30,7 @@ final class Config
     public const EXTRA = 'composer-attribute-collector';
     public const EXTRA_INCLUDE = 'include';
     public const EXTRA_EXCLUDE = 'exclude';
+    public const ENV_USE_CACHE = 'COMPOSER_ATTRIBUTE_COLLECTOR_USE_CACHE';
 
     /**
      * If a path starts with this placeholder, it is replaced with the absolute path to the vendor directory.
@@ -57,11 +60,14 @@ public static function from(PartialComposer $composer): self
         $include = self::expandPaths($extra[self::EXTRA_INCLUDE] ?? [], $vendorDir, $rootDir);
         $exclude = self::expandPaths($extra[self::EXTRA_EXCLUDE] ?? [], $vendorDir, $rootDir);
 
+        $useCache = filter_var(Platform::getEnv(self::ENV_USE_CACHE), FILTER_VALIDATE_BOOL);
+
         return new self(
             $vendorDir,
             attributesFile: "$vendorDir/attributes.php",
             include: $include,
             exclude: $exclude,
+            useCache: $useCache,
         );
     }
 
@@ -78,12 +84,15 @@ public static function from(PartialComposer $composer): self
      *     Paths that should be included to attributes collection.
      * @param non-empty-string[] $exclude
      *     Paths that should be excluded from attributes collection.
+     * @param bool $useCache
+     *     Whether a cache should be used during the process.
      */
     public function __construct(
         public string $vendorDir,
         public string $attributesFile,
         public array $include,
         public array $exclude,
+        public bool $useCache,
     ) {
         $this->excludeRegExp = count($exclude) ? self::compileExclude($this->exclude) : null;
     }

src/FileDatastore.php renamed to src/Datastore/FileDatastore.php

@@ -1,8 +1,10 @@
 <?php
 
-namespace olvlvl\ComposerAttributeCollector;
+namespace olvlvl\ComposerAttributeCollector\Datastore;
 
 use Composer\IO\IOInterface;
+use olvlvl\ComposerAttributeCollector\Datastore;
+use olvlvl\ComposerAttributeCollector\Plugin;
 
 use function file_exists;
 use function file_get_contents;

src/Datastore/RuntimeDatastore.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace olvlvl\ComposerAttributeCollector\Datastore;
+
+use olvlvl\ComposerAttributeCollector\Datastore;
+
+final class RuntimeDatastore implements Datastore
+{
+    /**
+     * @var array<string, array<int|string, mixed>>
+     */
+    private array $datastore = [];
+
+    public function get(string $key): array
+    {
+        return $this->datastore[$key] ?? [];
+    }
+
+    public function set(string $key, array $data): void
+    {
+        $this->datastore[$key] = $data;
+    }
+}

src/Plugin.php

@@ -8,7 +8,8 @@
 use Composer\Plugin\PluginInterface;
 use Composer\Script\Event;
 use Composer\Util\Platform;
-
+use olvlvl\ComposerAttributeCollector\Datastore\FileDatastore;
+use olvlvl\ComposerAttributeCollector\Datastore\RuntimeDatastore;
 use olvlvl\ComposerAttributeCollector\Filter\ContentFilter;
 use olvlvl\ComposerAttributeCollector\Filter\InterfaceFilter;
 
@@ -75,15 +76,13 @@ public static function onPostAutoloadDump(Event $event): void
         $io->write("<info>Generated attributes file in $elapsed</info>");
     }
 
-    public static function dump(
-        Config $config,
-        IOInterface $io
-    ): void {
+    public static function dump(Config $config, IOInterface $io): void
+    {
         //
         // Scan include paths
         //
         $start = microtime(true);
-        $datastore = self::buildDefaultDatastore($io);
+        $datastore = self::buildDefaultDatastore($config, $io);
         $classMapGenerator = new MemoizeClassMapGenerator($datastore, $io);
         foreach ($config->include as $include) {
             $classMapGenerator->scanPaths($include, $config->excludeRegExp);
@@ -124,8 +123,12 @@ public static function dump(
         $io->debug("Generating attributes file: rendered code in $elapsed");
     }
 
-    private static function buildDefaultDatastore(IOInterface $io): Datastore
+    private static function buildDefaultDatastore(Config $config, IOInterface $io): Datastore
     {
+        if (!$config->useCache) {
+            return new RuntimeDatastore();
+        }
+
         $basePath = Platform::getCwd();
 
         assert($basePath !== '');
@@ -137,6 +140,7 @@ private static function renderElapsedTime(float $start): string
     {
         return sprintf("%.03f ms", (microtime(true) - $start) * 1000);
     }
+
     private static function buildFileFilter(): Filter
     {
         return new Filter\Chain([

tests/ClassMapBuilderTest.php

@@ -11,7 +11,7 @@
 
 use Composer\IO\NullIO;
 use olvlvl\ComposerAttributeCollector\ClassMapBuilder;
-use olvlvl\ComposerAttributeCollector\FileDatastore;
+use olvlvl\ComposerAttributeCollector\Datastore\FileDatastore;
 use olvlvl\ComposerAttributeCollector\MemoizeClassMapGenerator;
 use PHPUnit\Framework\TestCase;
 

tests/FileDatastoreTest.php

@@ -3,7 +3,7 @@
 namespace tests\olvlvl\ComposerAttributeCollector;
 
 use Composer\IO\IOInterface;
-use olvlvl\ComposerAttributeCollector\FileDatastore;
+use olvlvl\ComposerAttributeCollector\Datastore\FileDatastore;
 use olvlvl\ComposerAttributeCollector\Plugin;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;

tests/MemoizeClassMapGeneratorTest.php

@@ -3,7 +3,7 @@
 namespace tests\olvlvl\ComposerAttributeCollector;
 
 use Composer\IO\NullIO;
-use olvlvl\ComposerAttributeCollector\FileDatastore;
+use olvlvl\ComposerAttributeCollector\Datastore\FileDatastore;
 use olvlvl\ComposerAttributeCollector\MemoizeClassMapGenerator;
 use PHPUnit\Framework\TestCase;