fix: compile npm packages for node 12 (#18989)

Author: Barthélémy Ledoux

npm/vite-dev-server/tsconfig.json

@@ -1,14 +1,11 @@
 {
   "compilerOptions": {
     /* Basic Options */
-    "target": "ESNEXT" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */,
+    "target": "ES2019" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */,
     "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
     "moduleResolution": "node",
     "skipLibCheck": true,
-    "lib": [
-      "es2015",
-      "dom"
-    ] /* Specify library files to be included in the compilation:  */,
+    "lib": ["es2019", "es2020.bigint", "es2020.string", "es2020.symbol.wellknown"] /* Specify library files to be included in the compilation:  */,
     "allowJs": true /* Allow javascript files to be compiled. */,
     // "checkJs": true,                       /* Report errors in .js files. */
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */