From c4785a21dc5cfecdecf68042c394360208b2c4cf Mon Sep 17 00:00:00 2001
From: Michiel Borkent <michielborkent@gmail.com>
Date: Tue, 24 Sep 2024 12:18:01 +0200
Subject: [PATCH] middle ground

---
 src/nextjournal/markdown/impl/types.clj           | 15 +++++----------
 .../markdown/impl/types/CustomNode.java           | 12 ++++++++++++
 2 files changed, 17 insertions(+), 10 deletions(-)
 create mode 100644 src/nextjournal/markdown/impl/types/CustomNode.java

diff --git a/src/nextjournal/markdown/impl/types.clj b/src/nextjournal/markdown/impl/types.clj
index 30fb846..df3ab70 100644
--- a/src/nextjournal/markdown/impl/types.clj
+++ b/src/nextjournal/markdown/impl/types.clj
@@ -1,19 +1,14 @@
-(ns nextjournal.markdown.impl.types)
+(ns nextjournal.markdown.impl.types
+  (:import [nextjournal.markdown.impl.types CustomNode]))
 
 ;; See also
 ;; https://github.com/noties/Markwon/blob/master/markwon-ext-latex/src/main/java/io/noties/markwon/ext/latex/JLatexMathBlockParser.java
 
 (set! *warn-on-reflection* true)
 
-(defonce _
-  (definterface CustomNode
-    (getLiteral [])
-    (setLiteral [v])
-    (nodeType [])))
-
 (defn ->InlineFormula [lit]
   (let [state (atom lit)]
-    (proxy [org.commonmark.node.CustomNode nextjournal.markdown.impl.types.CustomNode] []
+    (proxy [org.commonmark.node.CustomNode CustomNode] []
       (getLiteral [] @state)
       (nodeType [] :inline-formula))))
 
@@ -21,14 +16,14 @@
   ([] (->BlockFormula nil))
   ([lit]
    (let [state (atom lit)]
-     (proxy [org.commonmark.node.CustomBlock nextjournal.markdown.impl.types.CustomNode] []
+     (proxy [org.commonmark.node.CustomBlock CustomNode] []
        (getLiteral [] @state)
        (setLiteral [v] (do (reset! state v)
                            this))
        (nodeType [] :block-formula)))))
 
 (defn ->ToC []
-  (proxy [org.commonmark.node.CustomBlock nextjournal.markdown.impl.types.CustomNode] []
+  (proxy [org.commonmark.node.CustomBlock CustomNode] []
     (nodeType [] :toc)))
 
 (defn setLiteral [^CustomNode n lit]
diff --git a/src/nextjournal/markdown/impl/types/CustomNode.java b/src/nextjournal/markdown/impl/types/CustomNode.java
new file mode 100644
index 0000000..b9f9a38
--- /dev/null
+++ b/src/nextjournal/markdown/impl/types/CustomNode.java
@@ -0,0 +1,12 @@
+package nextjournal.markdown.impl.types;
+
+// rebuild with:
+// javac src/nextjournal/markdown/impl/types/CustomNode.java
+
+public interface CustomNode {
+
+    public Object setLiteral(Object v);
+    public Object getLiteral();
+    public Object nodeType();
+
+}