尝试使用 create-react-app 开玩笑地运行打字稿

Zus*_*s C 5 typescript reactjs jestjs

我想用带有 typescript 的 react 来设置 jest 。
每当我运行npm test它都会出错。

npm test 给了我以下错误:

开箱即用,Create React App 仅支持覆盖这些 Jest 选项:

• collectCoverageFrom • coverageReporters • coverageThreshold
• snapshotSerializers。

Create React App 目前不支持 package.json Jest 配置中的这些选项:

• 转换 • testRegex • moduleFileExtensions

如果您希望覆盖其他 Jest 选项,则需要从默认设置中弹出。您可以通过运行 npm run eject 来实现,但请记住,这是一种单向操作。您还可以向 Create React App 提交问题,以讨论支持更多开箱即用的选项。

我不想弹出,我还希望以下选项起作用
• 转换
• testRegex
• moduleFileExtensions

我该怎么办??

我的 package.json 文件如下

 {
  "name": "appname",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "jest-cli": "^22.3.0",
    "jest-enzyme": "^4.2.0",
    "react": "^16.2.0",
    "react-scripts": "1.1.1"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test --env=jsdom",
    "eject": "react-scripts eject",
    "storybook": "start-storybook -p 9009 -s public",
    "build-storybook": "build-storybook -s public"
  },
  "devDependencies": {
    "@storybook/addon-actions": "^3.3.13",
    "@storybook/addon-links": "^3.3.13",
    "@storybook/addon-storyshots": "^3.3.13",
    "@storybook/addons": "^3.3.13",
    "@storybook/react": "^3.3.13",
    "@types/enzyme": "^3.1.9",
    "@types/jest": "^22.1.2",
    "@types/react-dom": "^16.0.4",
    "@types/storybook__react": "^3.0.7",
    "awesome-typescript-loader": "^3.4.1",
    "babel-core": "^6.26.0",
    "enzyme": "^3.3.0",
    "jest": "^22.3.0",
    "prettier-eslint": "^8.8.1",
    "react-addons-test-utils": "^15.6.2",
    "react-dom": "^16.2.0",
    "redux": "^3.7.2",
    "ts-jest": "^22.0.4",
    "ts-loader": "^3.5.0",
    "typescript": "^2.7.2",
    "typescript-eslint-parser": "^13.0.0"
  },
  "jest": {
    "transform": {
      "^.+\\.tsx?$": "ts-jest"
    },
    "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
    "moduleFileExtensions": [
      "ts",
      "tsx",
      "js",
      "jsx",
      "json",
      "node"
    ]
  }
}
`
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Jus*_*ant 1

在 CRA 2.1 及更高版本中,您应该能够在测试文件中使用 TypeScript,而无需任何特殊的 jest 配置。只需确保您的__tests__文件夹嵌套在您的src文件夹下方,或者您的测试文件位于您的src文件夹内并且具有以下任何扩展名:

  • .test.js
  • .test.ts
  • .test.jsx
  • .test.tsx
  • .spec.js
  • .spec.ts
  • .spec.jsx
  • .spec.tsx