youngdo212
diff --git a/‎.babelrc.json
+1 b/‎.babelrc.json
+1
diff --git a/‎package-lock.json
+1 b/‎package-lock.json
+1
diff --git a/‎package.json
+1 b/‎package.json
+1
diff --git a/‎src/base/events/Events.js
-304 b/‎src/base/events/Events.js
-304
@@ -1,4 +1,5 @@
 {
+  "plugins": ["@babel/plugin-proposal-class-properties"],
   "presets": [
     "@babel/typescript",
     [
 
@@ -24,6 +24,7 @@
   "homepage": "https://github.com/youngdo212/better-player#readme",
   "devDependencies": {
     "@babel/core": "^7.12.3",
+    "@babel/plugin-proposal-class-properties": "^7.12.1",
     "@babel/preset-env": "^7.12.1",
     "@babel/preset-typescript": "^7.12.1",
     "@storybook/addon-actions": "^6.1.0",
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`{`
	`2`	`+ "plugins": ["@babel/plugin-proposal-class-properties"],`
`2`	`3`	`"presets": [`
`3`	`4`	`"@babel/typescript",`
`4`	`5`	`[`