fix: only preserveWhitespace on node content

See [this description for more details](#2230 (comment))

Author: nperez0111

packages/core/src/api/parsers/html/parseHTML.ts

@@ -23,7 +23,6 @@ export function HTMLToBlocks<
 
   const parentNode = parser.parse(htmlNode, {
     topNode: pmSchema.nodes["blockGroup"].create(),
-    preserveWhitespace: true
   });
 
   const blocks: Block<BSchema, I, S>[] = [];

packages/core/src/api/parsers/markdown/parseMarkdown.ts

@@ -93,6 +93,17 @@ export function markdownToHTML(markdown: string): string {
           }
         },
         code,
+        blockquote: (state: any, node: any) => {
+          const result = {
+            type: "element",
+            tagName: "blockquote",
+            properties: {},
+            // The only difference from the original is that we don't wrap the children with line endings
+            children: state.wrap(state.all(node), false),
+          };
+          state.patch(node, result);
+          return state.applyData(node, result);
+        },
       },
     })
     .use(rehypeStringify)

tests/src/unit/core/formatConversion/parse/__snapshots__/html/mixedTextTableCell.json

@@ -15,7 +15,10 @@
                 {
                   "styles": {},
                   "text": "Table Cell
-Table Cell Table Cell",
+Table Cell
+        
+        Table Cell
+",
                   "type": "text",
                 },
               ],

tests/src/unit/core/formatConversion/parse/__snapshots__/html/notion.json

@@ -169,7 +169,8 @@
     "content": [
       {
         "styles": {},
-        "text": "Paragraph With Hard Break",
+        "text": "Paragraph
+With Hard Break",
         "type": "text",
       },
     ],