Jest css-modules SyntaxError:意外的令牌

问题描述 投票:2回答:2

我已经设置了我的jest以允许静态文件跟随他们的documentation如何这样做,但我仍然收到以下错误。

我怎样才能传递并创建快照。

终端错误

FAIL  src/components/Splash/Splash.test.js
  ● Test suite failed to run

    /var/www/com/src/components/shared/logo/_Logo.css:1
    ({"Object.<anonymous>":function(module,exports,require,__dirname,__filename,global,jest){.logo {
                                                                                             ^

    SyntaxError: Unexpected token .

      3 | 
      4 | 
    > 5 | import logo from './_Logo.css';
      6 | import * as font from '../font/fontello.css';

Splash.test.js

import { shallow } from 'enzyme';
import { shallowToJson } from 'enzyme-to-json';
import Splash from './Splash';

it('Splash page is rendered', () => {
    const result = shallow(
        <Splash />,
    );

    expect(shallowToJson(result)).toMatchSnapshot();
});

是配置

  "jest": {
    "snapshotSerializers": [
      "enzyme-to-json/serializer"
    ],
    "setupTestFrameworkScriptFile": "./node_modules/jest-enzyme/lib/index.js",
    "moduleFileExtensions": [
      "js"
    ],
    "moduleDirectories": [
      "node_modules"
    ],
    "testPathIgnorePatterns": [
      "<rootDir>/node_modules/",
      "<rootDir>/app/"
    ],
    "moduleNameMapper": {
      "moduleNameMapper": {
        "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
        "\\.(css|less)$": "identity-obj-proxy"
      }
    },
    "transform": {
      "^.+\\.js$": "babel-jest"
    }
  }
javascript reactjs jestjs css-modules
2个回答
0
投票

有一个小错误:moduleNameMapper: {moduleNameMapper{}}应该只是moduleNameMapper:{}

"moduleNameMapper": {
  "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
  "\\.(css|less)$": "identity-obj-proxy"
}

0
投票

从2018年2月开始使用create-react-app可能会有效。我部分地遵循文档jest webpack使它工作。

另外发现moduleNameMapper不能在package.json中重写,但在jest.config.js中它可以解决问题。不幸的是,我没有找到任何关于它为什么的文档,但这是我的答案。这是我的jest.config.js:

module.exports = {
...,
  "moduleNameMapper": {
    "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
    "\\.(scss|sass|css)$": "identity-obj-proxy"
  }
}

它可以很好地跳过scss文件和@import。

我添加到devDependencies identity-obj-proxy

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