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标题几乎解释了我所面临的。我正在尝试测试具有某种状态的 React 组件，并且我尝试将我的商店提供给组件以获得它需要的东西。当我使用 Jest 运行组件测试时，出现以下错误：
ReferenceError: regeneratorRuntime is not defined
我通过阅读确定这是由于 babel-polyfill 或 regenerator-runtime 未正确应用于 Jest 引起的。但是，我尝试安装这两个软件包并重新运行，结果没有任何变化。在阅读了 Jest Github 问题页面（ Remove auto-inclusion of babel-polyfill #2755 ）后，我发现 babel-polyfill 从版本 19 开始 Jest 不自动包含。我手动安装的那个包应该有解决了这个问题，但它没有。我已经包含了一些我认为相关的文件
.babelrc :
{
"presets": ["es2015", "react", "stage-2"],
"env": {
"development": {
"plugins": [
["react-transform", {
"transforms": [{
"transform": "react-transform-hmr",
"imports": ["react"],
"locals": ["module"]
}]
}]
]
}
}
}
jest.config :
{
"transform": {
"^.+\\.(js|jsx)$": "<rootDir>/node_modules/webpack-babel-jest",
".*\\.(vue)$": "<rootDir>/node_modules/jest-vue-preprocessor",
".*": "babel-jest"
},
"moduleNameMapper": {
"\\.(jpg|jpeg|css|scss|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__tests__/__mocks__/fileMock.js",
".*\\.(vue)$": "vue/dist/vue.js"
},
"testPathIgnorePatterns": ["type_parser.spec.js",
"<rootDir>/__tests__/__mocks__/",
"__tests__/unit/core/util/type_parser.js",
"__tests__/GitlabLoader.test.js"
]
}
package.json ：
{
"name": "my_project",
"version": "0.2.0",
"description": "My Project",
"scripts": {
"clean:build": "node ./bin/clean.js createdir",
"build:html": "node ./bin/buildHtml.js",
"deployProduction": "node ./bin/deployProduction.js",
"start": "webpack-dev-server --config ./config/webpack.config.dev.js --hot --inline --progress",
"serve": "npm run deployProduction&& supervisor --watch ./production-copy src/js/server",
"prebuild": "npm run clean:build",
"postbuild": "node ./bin/postBuild.js",
"rebuild-win": "set BUILD_TYPE=preview& npm run prebuild & npm run build-win & npm run serve",
"build": "set BUILD_TYPE=final& npm run prebuild & npm run build-win",
"deploy": "npm run build & npm run serve",
"build-win": "set NODE_ENV=production & npm run element-build & npm run build-doc & npm run build:html & webpack -p --config ./config/webpack.config.prod.js --json > webpack.log.json & npm run postbuild",
"lint": "eslint config src/js/**/*.js",
"jscs": "jscs src/js/",
"test": "jest --no-cache --verbose --config=./__tests__/jest.config",
"test:watch": "npm run test -- --watch",
"element-init": "node node_modules/element-theme/bin/element-theme -i src/js/core/ui/element-theme.css",
"element-build": "node node_modules/element-theme/bin/element-theme -c src/js/core/ui/element-theme.css -o src/js/core/ui/element-theme ",
"build-doc": "node bin/buildDoc.js ",
"storybook": "start-storybook -p 9001 -c .storybook"
},
"repository": {
"type": "git",
"url": "my_url"
},
"license": "MIT",
"bugs": {
"url": "my_url"
},
"homepage": "my_homepage",
"dependencies": {
"autoprefixer": "^6.3.6",
"axios": "^0.11.1",
"babel-runtime": "^6.23.0",
"babel-standalone": "^6.10.3",
"bluebird": "^3.4.0",
"brace": "^0.8.0",
"browserify": "^13.0.1",
"chai": "^3.5.0",
"classnames": "2.2.3",
"cls-bluebird": "^1.0.1",
"codemirror": "^5.16.0",
"connect-history-api-fallback": "^1.3.0",
"continuation-local-storage": "^3.1.7",
"dateformat": "^1.0.12",
"diff": "^3.0.1",
"element-theme": "^0.4.0",
"element-ui": "^1.1.5",
"express-history-api-fallback": "^2.0.0",
"filedrop": "^2.0.0",
"fs-extra": "^0.30.0",
"history": "^2.0.2",
"humps": "^1.0.0",
"immutability-helper": "^2.1.1",
"isomorphic-fetch": "^2.2.1",
"json-loader": "^0.5.4",
"jszip": "^3.0.0",
"jszip-utils": "0.0.2",
"material-ui": "^0.16.7",
"materialize-css": "^0.97.6",
"mocha": "^2.5.3",
"moment": "^2.17.1",
"normalizr": "^1.0.0",
"raven-js": "^3.9.1",
"react": "^15.0.1",
"react-ace": "^3.5.0",
"react-addons-update": "^15.4.2",
"react-dom": "^15.0.1",
"react-redux": "^4.4.5",
"react-router": "^2.3.0",
"react-router-redux": "^4.0.2",
"redux": "^3.4.0",
"redux-logger": "^2.6.1",
"redux-saga": "^0.9.5",
"request": "^2.72.0",
"request-promise": "^3.0.0",
"reselect": "^2.5.4",
"save-as": "^0.1.7",
"showdown": "^1.4.2",
"three": "^0.79.0",
"url-pattern": "^1.0.3",
"vue": "^2.0.5",
"vue-easy-slider": "^1.4.0",
"vue-loader": "^9.8.1",
"vue-router": "^2.0.1",
"vue-slider-component": "^2.0.4",
"walk": "^2.3.9"
},
"devDependencies": {
"@kadira/storybook": "^2.35.3",
"babel-core": "^6.7.6",
"babel-eslint": "^6.1.0",
"babel-jest": "^18.0.0",
"babel-loader": "^6.0.2",
"babel-plugin-react-transform": "^2.0.2",
"babel-polyfill": "^6.23.0",
"babel-preset-es2015": "^6.22.0",
"babel-preset-es2016": "^6.22.0",
"babel-preset-react": "^6.23.0",
"babel-preset-stage-2": "^6.5.0",
"babel-register": "^6.7.2",
"chai": "3.5.0",
"chai-jquery": "2.0.0",
"cheerio": "0.20.0",
"colors": "1.1.2",
"concurrently": "^2.0.0",
"copy-webpack-plugin": "2.1.1",
"css-loader": "0.23.1",
"element-theme-default": "^1.1.5",
"enzyme": "^2.7.1",
"eslint": "^2.13.1",
"eslint-config-airbnb": "^9.0.1",
"eslint-plugin-import": "^2.2.0",
"eslint-plugin-jsx-a11y": "^4.0.0",
"eslint-plugin-react": "^5.2.2",
"express": "^4.13.4",
"extract-text-webpack-plugin": "1.0.1",
"file-loader": "0.8.5",
"identity-obj-proxy": "^3.0.0",
"jest": "^19.0.2",
"jest-cli": "^18.1.0",
"jest-css-modules": "^1.1.0",
"jest-enzyme": "^2.1.2",
"jest-vue-preprocessor": "^0.1.2",
"jquery": "2.2.3",
"jscs": "3.0.3",
"jsdoc-to-markdown": "^2.0.0",
"jsdom": "8.4.0",
"json-loader": "^0.5.4",
"mocha": "^2.4.5",
"ncp": "^2.0.0",
"node-sass": "3.7.0",
"postcss-loader": "0.8.2",
"react-addons-test-utils": "^15.4.2",
"react-hot-loader": "1.3.0",
"react-test-renderer": "^15.4.2",
"react-transform-hmr": "^1.0.4",
"redux-devtools": "^3.3.1",
"redux-devtools-dock-monitor": "^1.1.1",
"redux-devtools-log-monitor": "^1.0.11",
"regenerator-runtime": "^0.10.3",
"remotedev": "^0.1.2",
"rimraf": "^2.5.2",
"sass-loader": "3.2.0",
"storybook-addon-material-ui": "^0.7.6",
"style-loader": "0.13.1",
"url-loader": "0.5.7",
"vueify": "^9.4.0",
"webpack": "^1.13.0",
"webpack-babel-jest": "^1.0.4",
"webpack-dev-middleware": "^1.6.1",
"webpack-dev-server": "^1.16.3",
"webpack-hot-middleware": "^2.10.0"
}
}
原文由 rafafan2010 发布，翻译遵循 CC BY-SA 3.0 许可协议
我使用了
import "babel-polyfill"它解决了我的问题。2020 年更新： 此答案已过时，已弃用
babel-polyfill。查看 文档 和 Jero 的答案。