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Using ReactJS with npm and its giving following error(Unexpected token)

Any information would be really helpful ,Initially i ran the npm install babel-loader command as well.

I have

ERROR in ./app-client.js Module build failed: SyntaxError: /Users/dawatramani/ReactNodejs/app-client.js:

Unexpected token (4:13)

  2 | var APP= require('./components/APP');
  3 | 
> 4 | React.render(<APP />,document.getElementById('react-container'));
    |              ^
  5 |

at Parser.pp.raise (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/location.js:22:13) at Parser.pp.unexpected (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/util.js:89:8) at Parser.pp.parseExprAtom (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:522:12) at Parser.pp.parseExprSubscripts (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:277:19) at Parser.pp.parseMaybeUnary (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:257:19) at Parser.pp.parseExprOps (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:188:19) at Parser.pp.parseMaybeConditional (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:165:19) at Parser.pp.parseMaybeAssign (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:128:19) at Parser.pp.parseExprListItem (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:1046:16) at Parser.pp.parseCallExpressionArguments (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:353:20) at Parser.pp.parseSubscripts (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:316:31) at Parser.pp.parseExprSubscripts (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:287:15) at Parser.pp.parseMaybeUnary (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:257:19) at Parser.pp.parseExprOps (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:188:19) at Parser.pp.parseMaybeConditional (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:165:19) at Parser.pp.parseMaybeAssign (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:128:19) at Parser.pp.parseExpression (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/expression.js:92:19) at Parser.pp.parseStatement (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/statement.js:163:19) at Parser.pp.parseBlockBody (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/statement.js:529:21) at Parser.pp.parseTopLevel (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/statement.js:36:8) at Parser.parse (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/parser/index.js:129:19) at parse (/Users/dawatramani/ReactNodejs/node_modules/babel-core/node_modules/babylon/lib/index.js:47:47) at File.parse (/Users/dawatramani/ReactNodejs/node_modules/babel-core/lib/transformation/file/index.js:517:34) at File.parseCode (/Users/dawatramani/ReactNodejs/node_modules/babel-core/lib/transformation/file/index.js:603:20) at /Users/dawatramani/ReactNodejs/node_modules/babel-core/lib/transformation/pipeline.js:49:12 at File.wrap (/Users/dawatramani/ReactNodejs/node_modules/babel-core/lib/transformation/file/index.js:563:16) at Pipeline.transform (/Users/dawatramani/ReactNodejs/node_modules/babel-core/lib/transformation/pipeline.js:47:17) at transpile (/Users/dawatramani/ReactNodejs/node_modules/babel-loader/index.js:14:22) at Object.module.exports (/Users/dawatramani/ReactNodejs/node_modules/babel-loader/index.js:88:12)

Solution

  • Well with current versions of reactJS you shouldn't use React.render() but rather use ReactDOM.render() and import ReactDOM from "react-dom". I think this will solve your problem.

    ReactDOM.render(<ComponentName />,document.getElementById('react-container'));

    This is a very recent change introduced with 0.14. React is now split into a core library and the DOM adapter. Rendering is now done via ReactDOM.render.

    DOCS