Update Babel config

Author: scriptex

.babelrc

@@ -1,8 +1,15 @@
 {
-	"presets": [
-		"@babel/env",
-		["@babel/stage-2", {
-			"decoratorsLegacy": true
-		}]
+	"presets": ["@babel/env"],
+	"plugins": [
+		["@babel/plugin-proposal-decorators", { "legacy": true }],
+		"@babel/plugin-proposal-function-sent",
+		"@babel/plugin-proposal-export-namespace-from",
+		"@babel/plugin-proposal-numeric-separator",
+		"@babel/plugin-proposal-throw-expressions",
+		"@babel/plugin-syntax-dynamic-import",
+		"@babel/plugin-syntax-import-meta",
+		["@babel/plugin-proposal-class-properties", { "loose": false }],
+		"@babel/plugin-proposal-json-strings",
+		"@babel/plugin-transform-modules-umd"
 	]
-}
+}