Unexpected token after `async`

Tell us about your environment

• ESLint Version: 4.3
• eslint-plugin-vue Version: 3.11.0
• Node Version: 8.1.4

Please show your full configuration:

module.exports = {
  root: true,
  extends: [
    'dwing',
    'plugin:vue/recommended'
  ],
  rules: {
    'global-require': 0,
    'import/extensions': [2, 'always', { js: 'never', vue: 'never' }]
  },
  settings: {
    'import/resolver': {
      webpack: {
        config: 'build/webpack.config.js'
      }
    }
  }
};

What did you do? Please include the actual source code causing the issue.

const actions = {
  async getAllData({ commit }) {
    await this.getAllData();
  }
};

export default actions;

// or this 
export const getAllData = async ({ commit }) => {
   await this.getAllData();
}

What did you expect to happen?

What actually happened? Please include the actual, raw output from ESLint.

file: 'file:///Users/willin/Desktop/vuetify-demo/src/store/actions.js' severity: '错误' message: 'Parsing error: Unexpected token getAllData' at: '2,9' source: 'eslint'

[mysticatea]

Async functions have been added in ECMAScript 2017. You have to have ecmaVersion: 2017 or ecmaVersion: 8.

[mysticatea]

@JounQin I’m sure because I implemented it.