fix: resolve TypeScript errors in frontend build

node_modules/rope-sequence/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "rope-sequence",
+  "version": "1.3.4",
+  "description": "Rope-based persistent sequence type",
+  "main": "dist/index.cjs",
+  "type": "module",
+  "module": "dist/index.js",
+  "exports": {
+    "import": "./dist/index.js",
+    "require": "./dist/index.cjs"
+  },
+  "scripts": {
+    "build": "rollup -c",
+    "prepare": "npm run build",
+    "test": "node test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/marijnh/rope-sequence.git"
+  },
+  "keywords": [
+    "persistent",
+    "data",
+    "structure",
+    "rope",
+    "sequence"
+  ],
+  "author": "Marijn Haverbeke <marijn@haverbeke.berlin>",
+  "license": "MIT",
+  "devDependencies": {
+    "@rollup/plugin-buble": "^0.20.0",
+    "rollup": "^1.26.3"
+  }
+}