fix importmap for assetmapper 6.4 (#1245)

* fix default importmap

* fix paths and add entrypoint comment

* remove adding stylesheet line in base.html.twig

* Update symfony/asset-mapper/6.4/manifest.json

Co-authored-by: Ryan Weaver <weaverryan+github@gmail.com>

* ignore assets/vendor

* revert to 6.3

---------

Co-authored-by: Ryan Weaver <weaverryan+github@gmail.com>

symfony/asset-mapper/6.4/assets/app.js

@@ -0,0 +1,9 @@
+/*
+ * Welcome to your app's main JavaScript file!
+ *
+ * This file will be included onto the page via the importmap() Twig function,
+ * which should already be in your base.html.twig.
+ */
+import './styles/app.css'
+
+console.log('This log comes from assets/app.js - welcome to AssetMapper! 🎉')

symfony/asset-mapper/6.4/assets/styles/app.css

@@ -0,0 +1,3 @@
+body {
+    background-color: skyblue;
+}

symfony/asset-mapper/6.4/config/packages/asset_mapper.yaml

@@ -0,0 +1,5 @@
+framework:
+    asset_mapper:
+        # The paths to make available to the asset mapper.
+        paths:
+            - assets/

symfony/asset-mapper/6.4/importmap.php

@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * Returns the import map for this application.
+ *
+ * - "path" is a path inside the asset mapper system. Use the
+ *     "debug:asset-map" command to see the full list of paths.
+ *
+ *  - "entrypoint" (JavaScript only) set to true for any module that will
+ *      be used as an "entrypoint" (and passed to the importmap() Twig function).
+ *
+ * The "importmap:require" command can be used to add new entries to this file.
+ *
+ * This file has been auto-generated by the importmap commands.
+ */
+return [
+    'app' => [
+        'path' => './assets/app.js',
+        'entrypoint' => true,
+    ],
+];

symfony/asset-mapper/6.4/manifest.json

@@ -0,0 +1,26 @@
+{
+    "copy-from-recipe": {
+        "assets/": "assets/",
+        "config/": "%CONFIG_DIR%/",
+        "importmap.php": "importmap.php"
+    },
+    "aliases": ["asset-mapper", "importmap"],
+    "gitignore": [
+        "/%PUBLIC_DIR%/assets/",
+        "/assets/vendor"
+    ],
+    "add-lines": [
+        {
+            "file": "templates/base.html.twig",
+            "content": "            {{ importmap('app') }}",
+            "position": "after_target",
+            "target": "{% block javascripts %}",
+            "warn_if_missing": true
+        }
+    ],
+    "conflict": {
+        "symfony/framework-bundle": "<6.3",
+        "symfony/twig-bundle": "<6.3",
+        "symfony/flex": "<1.20.0 || >=2.0.0,<2.3.0"
+    }
+}