1 files changed, 38 insertions, 0 deletions
diff --git a/app/assets/javascripts/behaviors/markdown/nodes/table_row.js b/app/assets/javascripts/behaviors/markdown/nodes/table_row.js
new file mode 100644
index 00000000000..5852502773a
--- /dev/null
+++ b/app/assets/javascripts/behaviors/markdown/nodes/table_row.js
@@ -0,0 +1,38 @@
+/* eslint-disable class-methods-use-this */
+
+import { Node } from 'tiptap';
+
+// Transforms generated HTML back to GFM for Banzai::Filter::MarkdownFilter
+export default class TableRow extends Node {
+  get name() {
+    return 'table_row';
+  }
+
+  get schema() {
+    return {
+      content: 'table_cell+',
+      parseDOM: [{ tag: 'tr' }],
+      toDOM: () => ['tr', 0],
+    };
+  }
+
+  toMarkdown(state, node) {
+    const cellWidths = [];
+
+    state.flushClose(1);
+
+    state.write('| ');
+    node.forEach((cell, _, i) => {
+      if (i) state.write(' | ');
+
+      const { length } = state.out;
+      state.render(cell, node, i);
+      cellWidths.push(state.out.length - length);
+    });
+    state.write(' |');
+
+    state.closeBlock(node);
+
+    return cellWidths;
+  }
+}