title: how to use babel legacy decorators
body: <p>I am getting this error message </p>
  
  <p>"src\screens\LoginScreen.js: Cannot use the decorators and decorators-legacy plugin together
  ERROR
  Building JavaScript bundle: error"</p>
  
  <p>here is my babel.config.js </p>
  
  <pre><code>module.exports = function(api) {
    api.cache(true);
    return {
      presets: ['babel-preset-expo'],
      plugins: ["transform-decorators-legacy"]
    };
  };
  </code></pre>
  
  <p>I add babel-plugin-transform-decorators-legacy to devDepencies in package.json file</p>
  
  <pre><code> "devDependencies": {
      "babel-preset-expo": "^7.1.0",
      "react-native-debugger-open": "^0.3.23",
      "babel-plugin-transform-decorators-legacy": "1.3.5"
    },
  </code></pre>