chore: implement generate baseline script (#309)

* feat: implement generate baseline script

* Update .cspell.json

* apply review

* Update .cspell.json

* remove underline

Author: yeonjuan

.cspell.json

@@ -10,7 +10,8 @@
     "**/out/**",
     "**/node_modules/**",
     "packages/website/**",
-    "packages/eslint-plugin/types/**"
+    "packages/eslint-plugin/types/**",
+    "packages/eslint-plugin/lib/rules/utils/baseline.js"
   ],
   "words": [
     "tseslint",

eslint.config.js

@@ -52,4 +52,10 @@ module.exports = [
       },
     },
   },
+  {
+    files: ["tools/**/*.mjs"],
+    languageOptions: {
+      sourceType: "module",
+    },
+  },
 ];

package.json

@@ -19,12 +19,15 @@
     "check": "yarn test && yarn check:format && yarn check:spell && yarn check:ts",
     "publish:website": "yarn workspace website deploy",
     "prepare": "husky",
-    "new-rule": "node ./tools/add-new-rule.js"
+    "new-rule": "node ./tools/add-new-rule.js",
+    "baseline": "node ./tools/base-line/generate-baseline.mjs"
   },
   "author": "yeonjuan",
   "license": "MIT",
   "devDependencies": {
+    "@mdn/browser-compat-data": "^6.0.2",
     "@types/jest": "^29.5.14",
+    "compute-baseline": "^0.3.1",
     "cspell": "^8.0.0",
     "eslint": "^9.19.0",
     "eslint-plugin-jest": "^28.11.0",