symfony · nicolas-grekas · Aug 23, 2023 · Aug 10, 2023
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/asset_mapper.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/asset_mapper.php
@@ -19,6 +19,7 @@
 use Symfony\Component\AssetMapper\Command\AssetMapperCompileCommand;
 use Symfony\Component\AssetMapper\Command\DebugAssetMapperCommand;
 use Symfony\Component\AssetMapper\Command\ImportMapExportCommand;
+use Symfony\Component\AssetMapper\Command\ImportMapInstallCommand;
 use Symfony\Component\AssetMapper\Command\ImportMapRemoveCommand;
 use Symfony\Component\AssetMapper\Command\ImportMapRequireCommand;
 use Symfony\Component\AssetMapper\Command\ImportMapUpdateCommand;
@@ -202,5 +203,9 @@
         ->set('asset_mapper.importmap.command.export', ImportMapExportCommand::class)
             ->args([service('asset_mapper.importmap.manager')])
             ->tag('console.command')
+
+        ->set('asset_mapper.importmap.command.install', ImportMapInstallCommand::class)
+            ->args([service('asset_mapper.importmap.manager')])
+            ->tag('console.command')
     ;
 };
diff --git a/src/Symfony/Bundle/FrameworkBundle/composer.json b/src/Symfony/Bundle/FrameworkBundle/composer.json
@@ -37,7 +37,7 @@
         "doctrine/persistence": "^1.3|^2|^3",
         "seld/jsonlint": "^1.10",
         "symfony/asset": "^5.4|^6.0|^7.0",
-        "symfony/asset-mapper": "^6.3|^7.0",
+        "symfony/asset-mapper": "^6.4|^7.0",
         "symfony/browser-kit": "^5.4|^6.0|^7.0",
         "symfony/console": "^5.4.9|^6.0.9|^7.0",
         "symfony/clock": "^6.2|^7.0",
@@ -79,6 +79,7 @@
         "phpdocumentor/reflection-docblock": "<3.2.2",
         "phpdocumentor/type-resolver": "<1.4.0",
         "symfony/asset": "<5.4",
+        "symfony/asset-mapper": "<6.4",
         "symfony/clock": "<6.3",
         "symfony/console": "<5.4",
         "symfony/dotenv": "<5.4",

diff --git a/src/Symfony/Component/AssetMapper/CHANGELOG.md b/src/Symfony/Component/AssetMapper/CHANGELOG.md
@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * Mark the component as non experimental
+ * Add a `importmap:install` command to download all missing downloaded packages
 
 6.3
 ---

diff --git a/src/Symfony/Component/AssetMapper/Command/ImportMapInstallCommand.php b/src/Symfony/Component/AssetMapper/Command/ImportMapInstallCommand.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\AssetMapper\Command;
+
+use Symfony\Component\AssetMapper\ImportMap\ImportMapManager;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+/**
+ * Downloads all assets that should be downloaded.
+ *
+ * @author Jonathan Scheiber <[email protected]>
+ */
+#[AsCommand(name: 'importmap:install', description: 'Downloads all assets that should be downloaded.')]
+final class ImportMapInstallCommand extends Command
+{
+    public function __construct(
+        private readonly ImportMapManager $importMapManager,
+    ) {
+        parent::__construct();
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+
+        $downloadedPackages = $this->importMapManager->downloadMissingPackages();
+        $io->success(sprintf('Downloaded %d assets.', \count($downloadedPackages)));
+
+        return Command::SUCCESS;
+    }
+}
diff --git a/src/Symfony/Component/AssetMapper/ImportMap/ImportMapManager.php b/src/Symfony/Component/AssetMapper/ImportMap/ImportMapManager.php
@@ -13,6 +13,7 @@
 
 use Symfony\Component\AssetMapper\AssetDependency;
 use Symfony\Component\AssetMapper\AssetMapperInterface;
+use Symfony\Component\AssetMapper\Exception\RuntimeException;
 use Symfony\Component\AssetMapper\ImportMap\Resolver\PackageResolverInterface;
 use Symfony\Component\AssetMapper\Path\PublicAssetsPathResolverInterface;
 use Symfony\Component\VarExporter\VarExporter;
@@ -108,6 +109,36 @@ public function update(): array
         return $this->updateImportMapConfig(true, [], []);
     }
 
+    /**
+     * Downloads all missing downloaded packages.
+     *
+     * @return ImportMapEntry[] The downloaded packages
+     */
+    public function downloadMissingPackages(): array
+    {
+        $entries = $this->loadImportMapEntries();
+        $packagesToDownload = [];
+
+        foreach ($entries as $entry) {
+            if (!$entry->isDownloaded || $this->assetMapper->getAsset($entry->path)) {
+                continue;
+            }
+
+            $parts = self::parsePackageName($entry->url);
+
+            $packagesToDownload[] = new PackageRequireOptions(
+                $parts['package'],
+                $parts['version'] ?? throw new RuntimeException(sprintf('Cannot get a version for the "%s" package.', $parts['package'])),
+                true,
+                $entry->preload,
+                $parts['alias'] ?? $parts['package'],
+                isset($parts['registry']) && $parts['registry'] ? $parts['registry'] : null,
+            );
+        }
+
+        return $this->require($packagesToDownload);
+    }
+
     /**
      * @internal
      */

diff --git a/src/Symfony/Component/AssetMapper/Tests/ImportMap/ImportMapManagerTest.php b/src/Symfony/Component/AssetMapper/Tests/ImportMap/ImportMapManagerTest.php
@@ -373,6 +373,43 @@ public function testUpdate()
         $this->assertSame('contents of cowsay.js', $actualContents);
     }
 
+    public function testDownloadMissingPackages()
+    {
+        $rootDir = __DIR__.'/../fixtures/download';
+        $manager = $this->createImportMapManager(['assets' => ''], $rootDir);
+
+        $this->packageResolver->expects($this->once())
+            ->method('resolvePackages')
+            ->willReturn([
+                self::resolvedPackage('@hotwired/stimulus', 'https://cdn.jsdelivr.net/npm/[email protected]/+esm', true, content: 'contents of stimulus.js'),
+            ])
+        ;
+
+        $downloadedPackages = $manager->downloadMissingPackages();
+        $actualImportMap = require $rootDir.'/importmap.php';
+        $expectedImportMap = [
+            '@hotwired/stimulus' => [
+                'downloaded_to' => 'vendor/@hotwired/stimulus.js',
+                'url' => 'https://cdn.jsdelivr.net/npm/[email protected]/+esm',
+            ],
+            'lodash' => [
+                'downloaded_to' => 'vendor/lodash.js',
+                'url' => 'https://ga.jspm.io/npm:[email protected]/lodash.js',
+            ],
+        ];
+        $this->assertEquals($expectedImportMap, $actualImportMap);
+
+        $expectedDownloadedFiles = [
+            'assets/vendor/@hotwired/stimulus.js' => 'contents of stimulus.js',
+        ];
+        foreach ($expectedDownloadedFiles as $file => $expectedContents) {
+            $this->assertFileExists($rootDir.'/'.$file);
+            $actualContents = file_get_contents($rootDir.'/'.$file);
+            $this->assertSame($expectedContents, $actualContents);
+            unlink($rootDir.'/'.$file);
+        }
+    }
+
     /**
      * @dataProvider getPackageNameTests
      */

diff --git a/src/Symfony/Component/AssetMapper/Tests/fixtures/download/assets/vendor/lodash.js b/src/Symfony/Component/AssetMapper/Tests/fixtures/download/assets/vendor/lodash.js
@@ -0,0 +1 @@
+console.log('fake downloaded lodash.js');
diff --git a/src/Symfony/Component/AssetMapper/Tests/fixtures/download/importmap.php b/src/Symfony/Component/AssetMapper/Tests/fixtures/download/importmap.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+return [
+    '@hotwired/stimulus' => [
+        'downloaded_to' => 'vendor/@hotwired/stimulus.js',
+        'url' => 'https://cdn.jsdelivr.net/npm/[email protected]/+esm',
+    ],
+    'lodash' => [
+        'downloaded_to' => 'vendor/lodash.js',
+        'url' => 'https://ga.jspm.io/npm:[email protected]/lodash.js',
+    ],
+];
-Original file line number
+Diff line change
@@ Expand Up / @@ -5,6 +5,7 @@ CHANGELOG @@
     ---
      * Mark the component as non experimental
+     * Add a `importmap:install` command to download all missing downloaded packages
 .3
     ---
@@ Expand Down @@