feat(richtext-lexical): linebreak html converter

packages/richtext-lexical/src/field/features/converters/html/converter/converters/linebreak.ts

@@ -0,0 +1,10 @@
+import type { SerializedParagraphNode } from 'lexical'
+
+import type { HTMLConverter } from '../types'
+
+export const LinebreakHTMLConverter: HTMLConverter<SerializedParagraphNode> = {
+  converter() {
+    return `<br>`
+  },
+  nodeTypes: ['linebreak'],
+}

packages/richtext-lexical/src/field/features/converters/html/converter/defaultConverters.ts

@@ -1,6 +1,11 @@
 import type { HTMLConverter } from './types'
 
+import { LinebreakHTMLConverter } from './converters/linebreak'
 import { ParagraphHTMLConverter } from './converters/paragraph'
 import { TextHTMLConverter } from './converters/text'
 
-export const defaultHTMLConverters: HTMLConverter[] = [ParagraphHTMLConverter, TextHTMLConverter]
+export const defaultHTMLConverters: HTMLConverter[] = [
+  ParagraphHTMLConverter,
+  TextHTMLConverter,
+  LinebreakHTMLConverter,
+]

packages/richtext-lexical/src/index.ts

@@ -172,6 +172,7 @@ export {
   convertLexicalNodesToHTML,
   convertLexicalToHTML,
 } from './field/features/converters/html/converter'
+export { LinebreakHTMLConverter } from './field/features/converters/html/converter/converters/linebreak'
 export { ParagraphHTMLConverter } from './field/features/converters/html/converter/converters/paragraph'
 export { TextHTMLConverter } from './field/features/converters/html/converter/converters/text'
 export { defaultHTMLConverters } from './field/features/converters/html/converter/defaultConverters'