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Javascript Babelify拒绝了我的JSX,我正在使用';反应';预设_Javascript_Reactjs_Browserify_Babeljs_React Jsx - Fatal编程技术网

Javascript Babelify拒绝了我的JSX,我正在使用';反应';预设

Javascript Babelify拒绝了我的JSX,我正在使用';反应';预设,javascript,reactjs,browserify,babeljs,react-jsx,Javascript,Reactjs,Browserify,Babeljs,React Jsx,将browserify+babelify与react和ES6以及stage-2和polyfill预设一起使用: browserify -t [babelify --presets ['latest' 'react' 'babel-polyfill' 'stage-2'] ] client-src/root.js -o lib/root.js 使用此javascript代码: import React, { PropTypes } from 'react'; import ReactDOM fr

将browserify+babelify与react和ES6以及stage-2和polyfill预设一起使用:

browserify -t [babelify --presets ['latest' 'react' 'babel-polyfill' 'stage-2'] ] client-src/root.js -o lib/root.js
使用此javascript代码:

import React, { PropTypes } from 'react';
import ReactDOM from 'react-dom';

import RecordRow from './RecordRow';

const RecordSection = ({section, index}) => {

  return (
    { section.useHeading &&
     <tr>
       <td colspan="4" key={'sectionHeading' + index}>
         {section.heading}
       </td>
     </tr>
    }
    {section.rows.map((row, i) =>
      <RecordRow
        key={'sectionRow' + index + ',' + i}
        sectionIndex={index}
        rowIndex={i} />
    )}
  );
}
import React,{PropTypes}来自'React';
从“react dom”导入react dom;
从“/RecordRow”导入RecordRow;
const RecordSection=({section,index})=>{
返回(
{section.useHeading&&
{节.标题}
}
{section.rows.map((row,i)=>
)}
);
}
我在JSX大括号内的“.”上得到一个错误:

   SyntaxError: /blah/RecordSection.js: Unexpected token, expected , (10:13)
   8 | 
   9 |   return (
   > 10 |     { section.useHeading &&
        |              ^
   11 |      <tr>
   12 |        <td colspan="4" key={'sectionHeading' + index}>
   13 |          {section.heading}
    at Parser.pp$5.raise (/blah/node_modules/babylon/lib/index.js:4246:13)
    at Parser.pp.unexpected (/blah/node_modules/babylon/lib/index.js:1627:8)
SyntaxError:/blah/RecordSection.js:意外标记,应为,(10:13)
8 | 
9 |返回(
>10 |{section.useHeading&&
|              ^
11 |      
12 |        
13 |{章节标题}
在Parser.pp$5.raise(/blah/node_modules/babylon/lib/index.js:4246:13)
意外(/blah/node_modules/babylon/lib/index.js:1627:8)

为什么?

原来JSX不允许在根目录下有多个项。你可以从函数返回数组,但传递给渲染的东西必须有一个根目录。请看,你的代码不是有效的JSX。你的
部分。useHeading&
逻辑不在合理的位置。啊,好的,谢谢。我想我应该重命名这篇文章,然后哈哈。