[lexical-markdown] Bug Fix: standardise selection to move to start af…

…ter markdown toggle (#6220)

packages/lexical-markdown/src/MarkdownExport.ts

@@ -24,6 +24,9 @@ import {
 
 import {isEmptyParagraph, transformersByType} from './utils';
 
+/**
+ * Renders string from markdown. The selection is moved to the start after the operation.
+ */
 export function createMarkdownExport(
   transformers: Array<Transformer>,
   shouldPreserveNewLines: boolean = false,

packages/lexical-markdown/src/MarkdownImport.ts

@@ -43,6 +43,9 @@ type TextFormatTransformersIndex = Readonly<{
   transformersByTag: Readonly<Record<string, TextFormatTransformer>>;
 }>;
 
+/**
+ * Renders markdown from a string. The selection is moved to the start after the operation.
+ */
 export function createMarkdownImport(
   transformers: Array<Transformer>,
   shouldPreserveNewLines = false,
@@ -95,7 +98,7 @@ export function createMarkdownImport(
     }
 
     if ($getSelection() !== null) {
-      root.selectEnd();
+      root.selectStart();
     }
   };
 }

packages/lexical-markdown/src/index.ts

@@ -68,6 +68,9 @@ const TRANSFORMERS: Array<Transformer> = [
   ...TEXT_MATCH_TRANSFORMERS,
 ];
 
+/**
+ * Renders markdown from a string. The selection is moved to the start after the operation.
+ */
 function $convertFromMarkdownString(
   markdown: string,
   transformers: Array<Transformer> = TRANSFORMERS,
@@ -81,6 +84,9 @@ function $convertFromMarkdownString(
   return importMarkdown(markdown, node);
 }
 
+/**
+ * Renders string from markdown. The selection is moved to the start after the operation.
+ */
 function $convertToMarkdownString(
   transformers: Array<Transformer> = TRANSFORMERS,
   node?: ElementNode,

packages/lexical-playground/src/plugins/ActionsPlugin/index.tsx

@@ -189,7 +189,6 @@ export default function ActionsPlugin({
             $createCodeNode('markdown').append($createTextNode(markdown)),
           );
       }
-      root.selectEnd();
     });
   }, [editor, shouldPreserveNewLinesInMarkdown]);