From 98d01e603933030df988baa3931389f9749cceed Mon Sep 17 00:00:00 2001
From: NullVoxPopuli <199018+NullVoxPopuli@users.noreply.github.com>
Date: Sun, 10 Mar 2024 14:23:18 -0400
Subject: [PATCH 1/2] Fix issue where rehypePlugins were not passed through all
 the way through to the markdown compiler

---
 .../ember-repl/addon/src/compile/formats.ts   |  2 +
 .../tests/rendering/markdown-test.gts         | 88 +++++++++++++++++++
 2 files changed, 90 insertions(+)

diff --git a/packages/ember-repl/addon/src/compile/formats.ts b/packages/ember-repl/addon/src/compile/formats.ts
index b9113c833..e148335a8 100644
--- a/packages/ember-repl/addon/src/compile/formats.ts
+++ b/packages/ember-repl/addon/src/compile/formats.ts
@@ -90,6 +90,7 @@ export async function compileMD(
     importMap?: EvalImportMap;
     topLevelScope?: ScopeMap;
     remarkPlugins?: UnifiedPlugin[];
+    rehypePlugins?: UnifiedPlugin[];
     CopyComponent?: string;
     ShadowComponent?: string;
   }
@@ -114,6 +115,7 @@ export async function compileMD(
       CopyComponent: options?.CopyComponent,
       ShadowComponent: options?.ShadowComponent,
       remarkPlugins: options?.remarkPlugins,
+      rehypePlugins: options?.rehypePlugins,
     });
 
     rootTemplate = templateOnlyGlimdown;
diff --git a/packages/ember-repl/test-app/tests/rendering/markdown-test.gts b/packages/ember-repl/test-app/tests/rendering/markdown-test.gts
index 8b88b12e2..361957ec0 100644
--- a/packages/ember-repl/test-app/tests/rendering/markdown-test.gts
+++ b/packages/ember-repl/test-app/tests/rendering/markdown-test.gts
@@ -239,5 +239,93 @@ module('Rendering | compile()', function (hooks) {
 
       assert.dom().containsText(text);
     });
+
+    test('adding a remark plugin', async function (assert) {
+      setupOnerror((e) => {
+        console.error(e);
+        assert.notOk('This should not error');
+      });
+
+      let snippet = '# Hello';
+
+      let component: ComponentLike | undefined;
+
+      await compile(snippet, {
+        format: 'glimdown',
+        onSuccess: (comp) => (component = comp),
+        onError: (e) => {
+          console.error(e);
+          assert.notOk('did not expect error');
+        },
+        onCompileStart: () => {
+          /* not used */
+        },
+
+        remarkPlugins: [
+          function noH1(/* options */) {
+            return (tree) => {
+              return visit(tree, ['heading'], function (node) {
+                if (!('depth' in node)) return;
+
+                if (node.depth === 1) {
+                  node.depth = 2;
+                }
+
+                return 'skip';
+              });
+            };
+          },
+        ],
+      });
+
+      debugAssert(`[BUG]`, component);
+
+      await render(component);
+
+      assert.dom('h2').containsText('Hello');
+    });
+    test('adding a rehype plugin', async function (assert) {
+      setupOnerror((e) => {
+        console.error(e);
+        assert.notOk('This should not error');
+      });
+
+      let snippet = '# Hello';
+
+      let component: ComponentLike | undefined;
+
+      await compile(snippet, {
+        format: 'glimdown',
+        onSuccess: (comp) => (component = comp),
+        onError: (e) => {
+          console.error(e);
+          assert.notOk('did not expect error');
+        },
+        onCompileStart: () => {
+          /* not used */
+        },
+        rehypePlugins: [
+          function noH1(/* options */) {
+            return (tree) => {
+              return visit(tree, ['element'], function (node) {
+                if (!('tagName' in node)) return;
+
+                if (node.tagName === 'h1') {
+                  node.tagName = 'h2';
+                }
+
+                return 'skip';
+              });
+            };
+          },
+        ],
+      });
+
+      debugAssert(`[BUG]`, component);
+
+      await render(component);
+
+      assert.dom('h2').containsText('Hello');
+    });
   });
 });

From 3d48cc4f5d9e2818bea25dd938884d63e6c01af4 Mon Sep 17 00:00:00 2001
From: NullVoxPopuli <199018+NullVoxPopuli@users.noreply.github.com>
Date: Sun, 10 Mar 2024 14:31:30 -0400
Subject: [PATCH 2/2] Also update types

---
 packages/ember-repl/addon/src/compile/index.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/ember-repl/addon/src/compile/index.ts b/packages/ember-repl/addon/src/compile/index.ts
index 91f29f955..a2e9d8d4b 100644
--- a/packages/ember-repl/addon/src/compile/index.ts
+++ b/packages/ember-repl/addon/src/compile/index.ts
@@ -29,6 +29,7 @@ const SUPPORTED_FORMATS = ['glimdown', 'gjs', 'hbs'];
 interface GlimdownOptions extends Scope, Events {
   format: 'glimdown';
   remarkPlugins?: UnifiedPlugin[];
+  rehypePlugins?: UnifiedPlugin[];
   CopyComponent?: string;
   ShadowComponent?: string;
   topLevelScope?: ScopeMap;