Vue-Timers：SyntaxError：意外的令牌导出

Question

我正在尝试将测试框架迁移到Jest。似乎在我的大多数测试中，我通常都可以使导入工作，但是由于某些原因，“ vue-timers”无法正确导入。进口产品在开发或生产中运作良好；因此，我确定我的配置有问题。

错误：

    ({"Object.<anonymous>":function(module,exports,require,__dirname,__filename,global,jest){function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var set$1=function(t,e,i){var n=assign({},i);return n[t]=e,n},assign=Object.assign||function(t){for(var e=1;e<arguments.length;e+=1){var i=arguments[e];for(var n in i)t[n]=i[n]}return t},isArray=Array.isArray||function(t){return"[object Array]"===Object.prototype.toString.call(t)};function generateData(t){return Object.keys(t).reduce(function(e,i){return set$1(i,{isRunning:!1,time:t[i].time||0,instance:null},e)},{})}function setTimer(t){return t?setInterval:setTimeout}function clearTimer(t){return t?clearInterval:clearTimeout}function generateTimer(t,e){return setTimer(t.repeat)(function(){e.$emit("timer-tick:"

    SyntaxError: Unexpected token export

       6 | <script>
       7 | import { Component, Vue, Prop } from 'vue-property-decorator';
    >  8 | import VueTimers from 'vue-timers';
         | ^
       9 | 
      10 | export default {

      at ScriptTransformer._transformAndBuildScript (node_modules/@jest/transform/build/ScriptTransformer.js:471:17)
      at ScriptTransformer.transform (node_modules/@jest/transform/build/ScriptTransformer.js:513:25)
      at src/renderer/components/ApplicationStatus.vue:8:1
      at Object.<anonymous> (src/renderer/components/....vue:34:3)

.babelrc

{
  "comments": false,
  "env": {
    "test": {
      "presets": [["env", { "targets": { "node": "current" } }]],
      "plugins": ["transform-es2015-modules-commonjs"]
    },
    "main": {
      "presets": [
        [
          "env",
          {
            "targets": { "node": 7 }
          }
        ],
        "stage-0"
      ]
    },
    "renderer": {
      "presets": [
        [
          "env",
          {
            "modules": false
          }
        ],
        "stage-0"
      ]
    },
    "web": {
      "presets": [
        [
          "env",
          {
            "modules": false
          }
        ],
        "stage-0"
      ]
    }
  },
  "plugins": ["transform-runtime", "transform-object-rest-spread"]
}

jest.config.js

module.exports = {
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'vue'],
  transform: {
    '^.+\\.js$': '<rootDir>/node_modules/babel-jest',
    '.*\\.(vue)$': 'vue-jest',
    '.+\\.(css|styl|less|sass|scss|png|jpg|ttf|woff|woff2)$': 'jest-transform-stub',
    '^.+\\.tsx?$': 'ts-jest',
  },
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/renderer/$1',
    '^vue$': 'vue/dist/vue.common.js',
  },
  modulePaths: ['<rootDir>'],
  setupFiles: ['<rootDir>/vue-test-setup.ts'],
  snapshotSerializers: ['jest-serializer-vue'],
  testMatch: ['**/test/**/*.spec.(js|jsx|ts|tsx)|**/__test__/*.(js|jsx|ts|tsx)'],
  transformIgnorePatterns: ['<rootDir>/node_modules/'],
};