相关疑难解决方法(0)

在我所有的.ts或.tsx文件，我有像下面的截图文件中的第一个字符这样的警告：

我正在使用标准的 CRA 设置。这是我的package.json：

{
  "name": "my-project",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "firebase": "^8.0.1",
    "formik": "^2.2.3",
    "i18next": "^19.8.3",
    "i18next-browser-languagedetector": "^6.0.1",
    "i18next-xhr-backend": "^3.2.2",
    "react": "^17.0.1",
    "react-dom": "^17.0.1",
    "react-firebaseui": "^4.1.0",
    "react-i18next": "^11.7.3",
    "react-router-dom": "^5.2.0",
    "react-scripts": "^4.0.0",
    "react-select": "^3.1.0",
    "react-spinners": "^0.9.0",
    "react-syntax-highlighter": "^15.3.0",
    "react-transition-group": "^4.4.1",
    "styled-components": "^5.2.1",
    "yup": "^0.29.3"
  },
  "devDependencies": {
    "@cypress/webpack-preprocessor": "^5.4.10",
    "@types/firebase": "^3.2.1",
    "@types/jest": "^26.0.15",
    "@types/react": "^16.9.56",
    "@types/react-dom": "^16.9.9",
    "@types/react-router-dom": "^5.1.6",
    "@types/react-select": "^3.0.23",
    "@types/react-syntax-highlighter": "^13.5.0",
    "@types/styled-components": "^5.1.4",
    "@types/yup": "^0.29.9",
    "cypress": "^5.5.0",
    "eslint-plugin-cypress": "^2.11.2", …