Jest ES6 Error unexpected token import?

Question

Hello how can I use ES6 with Jest. Because they send me a mistake in spread (operator) and export. How to modify jest?

export default function reducer(state={ open:false }, action) { switch (action.type) { case "HANDLE_TAP_HOME": { return {...state,open:action.open} } } return state }

test

import base from '../../client/src/redux/reducer/reducers/Admin/base/Index' describe('request to Reducer',()=>{ it('fetch',()=>{ expect(base(undefiend,{type:'nothing'})).toEqual({ open:false }) }) })

Have a look at my answer here: Unexpected import token - testing React Native with Jest — Arnold Schrijver
– Arnold Schrijver, Commented Aug 12, 2017 at 7:19
Yes, using the spread syntax with objects in ES6 is a mistake. — Bergi
– Bergi, Commented Aug 12, 2017 at 7:53

vale ale · Accepted Answer · 2017-08-13 06:38:18Z

jest configuration file

"jest": { "scriptPreprocessor": "<rootDir>/node_modules/jest-babel-preprocessor/preprocessor.js", "unmockedModulePathPatterns": [ "<rootDir>/node_modules/react" ] }

dependencies

npm i --D jest-cli jest-babel-preprocessor

bye

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