Modified HTML for Algolia Crawler (twentyhq#5441)

* Modified HTML for Algolia Crawler
* Added anchor tags within user-guide headers

To implement Algolia correctly, my changes would need to be deployed
first, as it cannot run on localhost. In the meantime, I simulated
Algolia crawling locally using Cheerio, and it worked successfully on my
end.

packages/twenty-website/src/app/_components/ui/layout/articles/ArticleContent.tsx

@@ -4,6 +4,7 @@ import { ReactNode } from 'react';
 import styled from '@emotion/styled';
 
 import { Theme } from '@/app/_components/ui/theme/theme';
+import { wrapHeadingsWithAnchor } from '@/shared-utils/wrapHeadingsWithAnchor';
 
 const StyledContent = styled.div`
   flex: 1;
@@ -27,6 +28,10 @@ const StyledContent = styled.div`
     font-family: var(--font-gabarito);
     color: ${Theme.text.color.primary};
     font-weight: 700;
+    a {
+      text-decoration: none;
+      color: ${Theme.text.color.primary};
+    }
   }
 
   h1 {
@@ -89,5 +94,5 @@ const StyledContent = styled.div`
 `;
 
 export const ArticleContent = ({ children }: { children: ReactNode }) => {
-  return <StyledContent>{children}</StyledContent>;
+  return <StyledContent>{wrapHeadingsWithAnchor(children)}</StyledContent>;
 };

packages/twenty-website/src/app/_components/user-guide/UserGuideContent.tsx

@@ -54,10 +54,11 @@ const StyledHeader = styled.div`
   }
 `;
 
-const StyledHeading = styled.div`
+const StyledHeading = styled.h1`
   font-size: 40px;
   font-weight: 700;
   font-family: var(--font-gabarito);
+  margin: 0px;
   @media (max-width: 800px) {
     font-size: 28px;
   }
@@ -77,12 +78,13 @@ const StyledHeaderInfoSectionTitle = styled.div`
   font-family: var(--font-gabarito);
 `;
 
-const StyledHeaderInfoSectionSub = styled.div`
+const StyledHeaderInfoSectionSub = styled.p`
   display: flex;
   flex-direction: column;
   gap: ${Theme.spacing(4)};
   color: ${Theme.text.color.tertiary};
   line-height: 1.8;
+  margin: 0px;
 `;
 
 const StyledRectangle = styled.div`

packages/twenty-website/src/app/_components/user-guide/UserGuideSidebarSection.tsx

@@ -31,7 +31,7 @@ const StyledTitle = styled.div`
   font-weight: 600;
 `;
 
-const StyledSubTopicItem = styled.div<{ isselected: boolean }>`
+const StyledSubTopicItem = styled.a<{ isselected: boolean }>`
   cursor: pointer;
   display: flex;
   flex-direction: row;
@@ -135,6 +135,7 @@ const UserGuideSidebarSection = ({
                 <StyledSubTopicItem
                   key={card.title}
                   isselected={isselected}
+                  href={`/user-guide/${card.fileName}`}
                   onClick={() => router.push(`/user-guide/${card.fileName}`)}
                   onMouseEnter={() => setHoveredItem(card.title)}
                   onMouseLeave={() => setHoveredItem(null)}

packages/twenty-website/src/shared-utils/wrapHeadingsWithAnchor.tsx

@@ -0,0 +1,40 @@
+import React, {
+  Children,
+  cloneElement,
+  isValidElement,
+  ReactElement,
+  ReactNode,
+} from 'react';
+
+export const wrapHeadingsWithAnchor = (children: ReactNode): ReactNode => {
+  const hasChildren = (
+    element: ReactElement,
+  ): element is ReactElement<{ children: ReactNode }> => {
+    return element.props.children !== undefined;
+  };
+
+  return Children.map(children, (child) => {
+    if (
+      isValidElement(child) &&
+      typeof child.type === 'string' &&
+      ['h1', 'h2', 'h3', 'h4'].includes(child.type)
+    ) {
+      const id = child.props.children
+        .toString()
+        .replace(/\s+/g, '-')
+        .toLowerCase();
+      return cloneElement(child as ReactElement<any>, {
+        id: id,
+        children: <a href={`#${id}`}>{child.props.children}</a>,
+      });
+    }
+
+    if (isValidElement(child) && hasChildren(child)) {
+      return cloneElement(child, {
+        children: wrapHeadingsWithAnchor(child.props.children),
+      });
+    }
+
+    return child;
+  });
+};