Blocknote custom slash menu (#4517)

blocknote v12, cleaned up blockschema & specs, added custom slash menu

packages/twenty-front/src/modules/ui/navigation/menu-item/components/MenuItemSuggestion.tsx

@@ -0,0 +1,79 @@
+import { MouseEvent } from 'react';
+import styled from '@emotion/styled';
+
+import { IconComponent } from '@/ui/display/icon/types/IconComponent';
+import { HOVER_BACKGROUND } from '@/ui/theme/constants/HoverBackground';
+
+import { MenuItemLeftContent } from '../internals/components/MenuItemLeftContent';
+import { StyledMenuItemLeftContent } from '../internals/components/StyledMenuItemBase';
+
+export type MenuItemSuggestionProps = {
+  LeftIcon?: IconComponent | null;
+  text: string;
+  selected?: boolean;
+  className?: string;
+  onClick?: (event: MouseEvent<HTMLLIElement>) => void;
+};
+
+const StyledSuggestionMenuItem = styled.li<{
+  selected?: boolean;
+}>`
+  --horizontal-padding: ${({ theme }) => theme.spacing(1)};
+  --vertical-padding: ${({ theme }) => theme.spacing(2)};
+
+  align-items: center;
+
+  border-radius: ${({ theme }) => theme.border.radius.sm};
+  cursor: pointer;
+
+  display: flex;
+
+  flex-direction: row;
+
+  font-size: ${({ theme }) => theme.font.size.sm};
+
+  gap: ${({ theme }) => theme.spacing(2)};
+
+  height: calc(32px - 2 * var(--vertical-padding));
+  justify-content: space-between;
+
+  padding: var(--vertical-padding) var(--horizontal-padding);
+
+  background: ${({ selected, theme }) =>
+    selected ? theme.background.transparent.medium : ''};
+
+  ${HOVER_BACKGROUND};
+
+  position: relative;
+  user-select: none;
+
+  width: calc(100% - 2 * var(--horizontal-padding));
+`;
+
+export const MenuItemSuggestion = ({
+  LeftIcon,
+  text,
+  className,
+  selected,
+  onClick,
+}: MenuItemSuggestionProps) => {
+  const handleMenuItemClick = (event: MouseEvent<HTMLLIElement>) => {
+    if (!onClick) return;
+    event.preventDefault();
+    event.stopPropagation();
+
+    onClick?.(event);
+  };
+
+  return (
+    <StyledSuggestionMenuItem
+      onClick={handleMenuItemClick}
+      className={className}
+      selected={selected}
+    >
+      <StyledMenuItemLeftContent>
+        <MenuItemLeftContent LeftIcon={LeftIcon ?? undefined} text={text} />
+      </StyledMenuItemLeftContent>
+    </StyledSuggestionMenuItem>
+  );
+};