migrate to milkdown v7

Author: Saul-Mirone

.gitignore

@@ -3,4 +3,5 @@ dist
 media
 node_modules
 .vscode-test/
-*.vsix
+*.vsix
+.idea

.vscode/settings.json

@@ -13,5 +13,8 @@
     "typescript.tsc.autoDetect": "off",
     "cSpell.words": ["milkdown"],
     "npm.packageManager": "npm",
-    "typescript.tsdk": "node_modules\\typescript\\lib"
+    "typescript.tsdk": "node_modules\\typescript\\lib",
+    "[typescriptreact]": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode"
+    }
 }

package.json

@@ -218,8 +218,9 @@
     },
     "devDependencies": {
         "@babel/core": "^7.18.10",
+        "@lit-labs/context": "^0.3.0",
         "@milkdown/core": "^7.0.0",
-        "@milkdown/design-system": "^6.2.0",
+        "@milkdown/ctx": "^7.0.0",
         "@milkdown/plugin-clipboard": "^7.0.0",
         "@milkdown/plugin-cursor": "^7.0.0",
         "@milkdown/plugin-emoji": "^7.0.0",
@@ -235,26 +236,28 @@
         "@milkdown/preset-commonmark": "^7.0.0",
         "@milkdown/preset-gfm": "^7.0.0",
         "@milkdown/prose": "^7.0.0",
-        "@milkdown/theme-pack-helper": "^6.2.0",
+        "@milkdown/transformer": "^7.0.0",
         "@milkdown/utils": "^7.0.0",
+        "@prosemirror-adapter/lit": "^0.2.4",
         "@types/glob": "^8.0.0",
         "@types/node": "18.x",
         "@types/vscode": "^1.59.0",
-        "@typescript-eslint/eslint-plugin": "^5.29.0",
-        "@typescript-eslint/parser": "^5.29.0",
+        "@typescript-eslint/eslint-plugin": "^5.59.0",
+        "@typescript-eslint/parser": "^5.59.0",
         "concurrently": "^8.0.0",
         "esbuild": "^0.17.0",
-        "eslint": "^8.0.0",
-        "eslint-config-prettier": "^8.5.0",
+        "eslint": "^8.39.0",
+        "eslint-config-prettier": "^8.8.0",
         "eslint-plugin-header": "^3.1.1",
         "eslint-plugin-prettier": "^4.0.0",
         "eslint-plugin-simple-import-sort": "^10.0.0",
         "glob": "^10.0.0",
         "katex": "^0.16.0",
+        "lit": "^2.7.2",
         "postcss": "^8.3.6",
         "postcss-cli": "^10.0.0",
         "postcss-import": "^15.0.0",
-        "prettier": "^2.7.1",
+        "prettier": "^2.8.8",
         "prism-themes": "^1.9.0",
         "ts-loader": "^9.2.2",
         "typescript": "^5.0.0",