feat: allow flow and jsx in javascript

Author: aminya

package.json

@@ -32,9 +32,10 @@
     "bump": "ncu -u -x coffeescript"
   },
   "dependencies": {
-    "eslint-plugin-only-warn": "npm:@aminya/eslint-plugin-only-warn@^1.2.2",
     "@babel/core": "^7",
     "@babel/eslint-parser": "^7.14.3",
+    "@babel/plugin-syntax-flow": "^7.14.5",
+    "@babel/plugin-syntax-jsx": "^7.14.5",
     "@typescript-eslint/eslint-plugin": "^4.25.0",
     "@typescript-eslint/parser": "^4.25.0",
     "coffeescript": "^1",
@@ -45,6 +46,7 @@
     "eslint-plugin-import": "^2.23.3",
     "eslint-plugin-json": "^3.0.0",
     "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-only-warn": "npm:@aminya/eslint-plugin-only-warn@^1.2.2",
     "eslint-plugin-optimize-regex": "^1.2.0",
     "eslint-plugin-react": "^7.23.2",
     "eslint-plugin-yaml": "^0.4.2",

pnpm-lock.yaml

@@ -9,6 +9,13 @@ exports.jsConfig = {
     ecmaFeatures: {
       jsx: true,
     },
+    babelOptions: {
+      plugins: [
+        // enable jsx and flow syntax
+        "@babel/plugin-syntax-flow",
+        "@babel/plugin-syntax-jsx",
+      ],
+    },
     ecmaVersion: 2021,
     sourceType: "module",
   },