title: SyntaxError: Missing class properties transform
body: <p>I have problem with babel transform. After add handle event in my React container i got this error.</p>
  
  <p>SyntaxError: Missing class properties transform.</p>
  
  <pre><code>  21 |     // handlers
    22 |
  &gt; 23 |     onIncrement = () =&gt; {
       |     ^
    24 |         const { dispatch } = this.props;
    25 |
    26 |         dispatch(valueDecrement())
  </code></pre>
  
  <p>My .babelrc</p>
  
  <pre><code>{
      "presets": [
          [
              "@babel/env",
              {
                  "targets": {
                      "browsers": [
                        "last 2 versions"
                      ]
                  }
              }
          ],
  
          "@babel/react",
          "@babel/typescript",
      ],
  }
  </code></pre>
  
  <p>My webpack loader</p>
  
  <pre><code>...
      module: {
          rules: [
              {
                  test: /\.(ts|js)x?$/,
                  exclude: /node_modules/,
                  loader: 'babel-loader',
              },
          ],
      },
  ...
  </code></pre>