Fix nearest desc error (#140)

* possible bugfix

* v0.4.6-alpha.4

Author: YousefED

examples/editor/package.json

@@ -1,16 +1,16 @@
 {
   "name": "@blocknote/example-editor",
   "private": true,
-  "version": "0.4.6-alpha.3",
+  "version": "0.4.6-alpha.4",
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
     "lint": "eslint src --max-warnings 0"
   },
   "dependencies": {
-    "@blocknote/core": "^0.4.6-alpha.3",
-    "@blocknote/react": "^0.4.6-alpha.3",
+    "@blocknote/core": "^0.4.6-alpha.4",
+    "@blocknote/react": "^0.4.6-alpha.4",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },

examples/vanilla/package.json

@@ -1,15 +1,15 @@
 {
   "name": "@blocknote/example-vanilla",
   "private": true,
-  "version": "0.4.6-alpha.3",
+  "version": "0.4.6-alpha.4",
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
     "lint": "eslint src --max-warnings 0"
   },
   "dependencies": {
-    "@blocknote/core": "^0.4.6-alpha.3"
+    "@blocknote/core": "^0.4.6-alpha.4"
   },
   "devDependencies": {
     "eslint": "^8.10.0",

lerna.json

@@ -2,5 +2,5 @@
   "$schema": "node_modules/lerna/schemas/lerna-schema.json",
   "useNx": false,
   "useWorkspaces": true,
-  "version": "0.4.6-alpha.3"
+  "version": "0.4.6-alpha.4"
 }

package-lock.json

@@ -3,7 +3,7 @@
   "homepage": "https://github.com/TypeCellOS/BlockNote",
   "private": false,
   "license": "MPL-2.0",
-  "version": "0.4.6-alpha.3",
+  "version": "0.4.6-alpha.4",
   "files": [
     "dist",
     "types",

packages/core/package.json

@@ -38,6 +38,12 @@ function getDraggableBlockFromCoords(
   coords: { left: number; top: number },
   view: EditorView
 ) {
+  if (!view.dom.isConnected) {
+    // view is not connected to the DOM, this can cause posAtCoords to fail
+    // (Cannot read properties of null (reading 'nearestDesc'), https://github.com/TypeCellOS/BlockNote/issues/123)
+    return undefined;
+  }
+
   let pos = view.posAtCoords(coords);
   if (!pos) {
     return undefined;

packages/core/src/extensions/DraggableBlocks/DraggableBlocksPlugin.ts

@@ -3,7 +3,7 @@
   "homepage": "https://github.com/TypeCellOS/BlockNote",
   "private": false,
   "license": "MPL-2.0",
-  "version": "0.4.6-alpha.3",
+  "version": "0.4.6-alpha.4",
   "files": [
     "dist",
     "types",
@@ -46,7 +46,7 @@
     "lint": "eslint src --max-warnings 0"
   },
   "dependencies": {
-    "@blocknote/core": "^0.4.6-alpha.3",
+    "@blocknote/core": "^0.4.6-alpha.4",
     "@emotion/react": "^11.10.5",
     "@mantine/core": "^5.6.1",
     "@mantine/hooks": "^5.6.1",

packages/react/package.json

@@ -1,7 +1,7 @@
 {
   "name": "blocknote-website",
   "private": true,
-  "version": "0.4.6-alpha.3",
+  "version": "0.4.6-alpha.4",
   "description": "Website for BlockNote",
   "main": "index.js",
   "scripts": {
@@ -12,7 +12,7 @@
   "author": "",
   "license": "MPL-2.0",
   "dependencies": {
-    "@blocknote/react": "^0.4.6-alpha.3",
+    "@blocknote/react": "^0.4.6-alpha.4",
     "veaury": "^2.3.12",
     "vue-github-button": "^3.1.0"
   },