chore: remove exist jsx demo file and generate when site build (#2976)

* chore: remove exist jsx demo file and generate when site build

* chore: update snapshot

Author: uyarn

babel.config.demo.js

@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['@babel/preset-typescript'],
+};

package.json

@@ -37,15 +37,17 @@
     "init": "git submodule init && git submodule update",
     "start": "cd site && vite",
     "dev": "cd site && vite",
-    "site": "cd site && vite build",
-    "site:intranet": "cd site && vite build --mode intranet",
-    "site:preview": "cd site && vite build --mode preview",
+    "site": "npm run build:jsx-demo && cd site && vite build",
+    "site:intranet": "npm run build:jsx-demo && cd site && vite build --mode intranet",
+    "site:preview": "npm run build:jsx-demo && cd site && vite build --mode preview",
     "postsite:preview": "cp _site/index.html _site/404.html",
     "lint": "npm run lint:tsc && eslint --ext .ts,.tsx ./ --max-warnings 0",
     "lint:fix": "eslint --ext .ts,.tsx ./src --ignore-pattern src/__tests__ --max-warnings 0 --fix",
     "lint:tsc": "tsc -p ./tsconfig.dev.json ",
     "generate:usage": "node script/generate-usage/index.js",
     "generate:coverage-badge": "npm run test:coverage && node script/generate-coverage.js",
+    "generate:jsx-demo":"npx babel src/**/_example --extensions '.tsx' --config-file ./babel.config.demo.js --relative --out-dir ../_example-js --out-file-extension=.jsx",
+    "format:jsx-demo": "npx eslint src/**/_example-js/*.jsx --fix && npx prettier --write src/**/_example-js/*.jsx",
     "test": "vitest run && npm run test:snap",
     "test:ui": "vitest --ui",
     "test:snap": "cross-env NODE_ENV=test-snap vitest run",
@@ -59,6 +61,7 @@
     "build:tsc-esm": "tsc --emitDeclarationOnly -d -p ./tsconfig.build.json --outDir esm/",
     "build:tsc-cjs": "tsc --emitDeclarationOnly -d -p ./tsconfig.build.json --outDir cjs/",
     "build:tsc-lib": "tsc --emitDeclarationOnly -d -p ./tsconfig.build.json --outDir lib/",
+    "build:jsx-demo":"npm run generate:jsx-demo && npm run format:jsx-demo",
     "changelog": "node script/generate-changelog.js",
     "init:component": "node script/init-component",
     "robot": "publish-cli robot-msg",
@@ -97,6 +100,7 @@
     "react-popper": "~2.3.0"
   },
   "devDependencies": {
+    "@babel/cli": "^7.24.7",
     "@babel/core": "^7.16.5",
     "@babel/plugin-transform-runtime": "^7.21.4",
     "@babel/plugin-transform-typescript": "^7.18.10",