From 4bd714b7be4a5d891ab187a94e64e537cb43809e Mon Sep 17 00:00:00 2001
From: Stephen Tse <Stephen-X@users.noreply.github.com>
Date: Sat, 26 Apr 2025 18:05:51 +0000
Subject: [PATCH] fix(callout): Grid-based callout collapsible animation (#1944)

---
 quartz/plugins/transformers/ofm.ts |   39 ++++++++++++++++++++++++---------------
 1 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 983fd73..e958027 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -464,6 +464,30 @@
                   })
                 }
 
+                // For the rest of the MD callout elements other than the title, wrap them with
+                // two nested HTML <div>s (use some hacked mdhast component to achieve this) of
+                // class `callout-content` and `callout-content-inner` respectively for
+                // grid-based collapsible animation.
+                if (calloutContent.length > 0) {
+                  node.children = [
+                    node.children[0],
+                    {
+                      data: { hProperties: { className: ["callout-content"] }, hName: "div" },
+                      type: "blockquote",
+                      children: [
+                        {
+                          data: {
+                            hProperties: { className: ["callout-content-inner"] },
+                            hName: "div",
+                          },
+                          type: "blockquote",
+                          children: [...calloutContent],
+                        },
+                      ],
+                    },
+                  ]
+                }
+
                 // replace first line of blockquote with title and rest of the paragraph text
                 node.children.splice(0, 1, ...blockquoteContent)
 
@@ -485,21 +509,6 @@
                     "data-callout-metadata": calloutMetaData,
                   },
                 }
-
-                // Add callout-content class to callout body if it has one.
-                if (calloutContent.length > 0) {
-                  const contentData: BlockContent | DefinitionContent = {
-                    data: {
-                      hProperties: {
-                        className: "callout-content",
-                      },
-                      hName: "div",
-                    },
-                    type: "blockquote",
-                    children: [...calloutContent],
-                  }
-                  node.children = [node.children[0], contentData]
-                }
               }
             })
           }

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