fix: rt-531

Author: shreya-kamble

src/toRedactor.tsx

@@ -60,7 +60,7 @@ const ELEMENT_TYPES: IJsonToHtmlElementTags = {
     return `<ul${attrs}>${child}</ul>`
   },
   code: (attrs: any, child: any) => {
-    return `<pre${attrs}>${child}</pre>`
+    return `<pre${attrs}>${child.replace(/<br\/?>/g, '\n')}</pre>`
   },
   li: (attrs: any, child: any) => {
     return `<li${attrs}>${child}</li>`
@@ -602,7 +602,6 @@ export const toRedactor = (jsonValue: any,options?:IJsonToHtmlOptions) : string
        figureStyles
      )
   }
-
   return children
 }
 

test/toRedactor.test.ts

@@ -348,3 +348,8 @@ test("should add nbsp for empty blocks", () => {
   expect(html).toBe(`<p>Hi</p><p>&nbsp;</p><p>&nbsp;</p><p>Hello</p>`);
 });
 
+test("should convert codeblock to proper html, where \n should not be replaced with <br/>",()=>{
+  const json = {"type":"doc","uid":"uid","attrs":{},"children":[{"type":"code","attrs":{},"uid":"uid","children":[{"text":"Hi\nHello"}]}]};
+  const html = toRedactor(json);
+  expect(html).toBe(`<pre>Hi\nHello</pre>`);
+})