fix type annotations on some of the docs (#539)

Author: YousefED

packages/website/docs/docs/cursor-selections.md

@@ -25,7 +25,7 @@ type TextCursorPosition = {
   block: Block;
   prevBlock: Block | undefined;
   nextBlock: Block | undefined;
-}
+};
 ```
 
 `block:` The block currently containing the text cursor. If the cursor is in a nested block, this is the block at the deepest possible nesting level.
@@ -61,7 +61,7 @@ You can set the text cursor position to the start or end of an existing block us
 class BlockNoteEditor {
 ...
   public setTextCursorPosition(
-    targetBlock: BlockIdentifier, 
+    targetBlock: BlockIdentifier,
     placement: "start" | "end" = "start"
   ): void;
 ...
@@ -94,15 +94,15 @@ export default function App() {
     // Listens for when the text cursor position changes.
     onTextCursorPositionChange: (editor) => {
       // Gets the block currently hovered by the text cursor.
-      const hoveredBlock: Block = editor.getTextCursorPosition().block;
+      const hoveredBlock = editor.getTextCursorPosition().block;
 
       // Traverses all blocks.
       editor.forEachBlock((block) => {
         if (
           block.id === hoveredBlock.id &&
           block.props.backgroundColor !== "blue"
         ) {
-          // If the block is currently hovered by the text cursor, makes its 
+          // If the block is currently hovered by the text cursor, makes its
           // background blue if it isn't already.
           editor.updateBlock(block, {
             props: {backgroundColor: "blue"},
@@ -111,18 +111,18 @@ export default function App() {
           block.id !== hoveredBlock.id &&
           block.props.backgroundColor === "blue"
         ) {
-          // If the block is not currently hovered by the text cursor, resets 
+          // If the block is not currently hovered by the text cursor, resets
           // its background if it's blue.
           editor.updateBlock(block, {
             props: {backgroundColor: "default"},
           });
         }
-        
+
         return true;
       });
     }
   })
-  
+
   // Renders the editor instance.
   return <BlockNoteView editor={editor} theme={ "{{ getTheme(isDark) }}"} />;
 }
@@ -141,7 +141,7 @@ When you highlight content using the mouse or keyboard, this is called a selecti
 ```typescript
 type Selection = {
   blocks: Block[];
-}
+};
 ```
 
 `blocks:` The blocks currently spanned by the selection, including nested blocks.
@@ -232,4 +232,4 @@ export default function App() {
 {{ getStyles(isDark) }}
 ```
 
-:::
+:::

packages/website/docs/docs/slash-menu.md

@@ -40,13 +40,13 @@ import { HiOutlineGlobeAlt } from "react-icons/hi";
 // Command to insert "Hello World" in bold in a new block below.
 const insertHelloWorld = (editor: BlockNoteEditor) => {
   // Block that the text cursor is currently in.
-  const currentBlock: Block = editor.getTextCursorPosition().block;
+  const currentBlock = editor.getTextCursorPosition().block;
 
   // New block we want to insert.
-  const helloWorldBlock: PartialBlock = {
-    type: "paragraph",
+  const helloWorldBlock = {
+    type: "paragraph" as const,
     content: [{ type: "text", text: "Hello World", styles: { bold: true } }],
-  };
+  } as const;
 
   // Inserting the new block after the current one.
   editor.insertBlocks([helloWorldBlock], currentBlock, "after");
@@ -105,7 +105,7 @@ import {
 import "@blocknote/react/style.css";
 
 function App() {
-  const newSlashMenuItems: ReactSlashMenuItem[] = 
+  const newSlashMenuItems: ReactSlashMenuItem[] =
     getDefaultReactSlashMenuItems();
 
   // Edit newSlashMenuItems