意外標記與巴別等待

Question

使用異步時獲取意外的標記/與巴別等待6

boot.js

require("babel-core/register")({ 
    ignore: "./node_modules" 
}); 
require("babel-polyfill"); 

asyncAwaitSample.js

async function() { 
    await someAsyncAction(); 
    }() 

.babelrc

{ 
    "presets": ["es2015", "stage-0", "react"] 
} 

編譯器在字符串async function() {上拍攝錯誤，它表示「意外的令牌」{'「

Answer 1

你安裝了嗎babel-plugin-transform-async-to-generator？

npm install babel-plugin-transform-async-to-generator

，並在您.babelrc

{ 
    "plugins": ["transform-async-to-generator"] 
} 

源https://babeljs.io/docs/plugins/transform-async-to-generator/

然後執行：

(async function() { 
    await someAsyncAction(); 
})()