以前，运行过的yarn在我的终端中添加了redux-thunk，但在package.json中什么也没有发生。没有添加其他依赖项。
我已经尝试用--save标志和--force标志运行yarn add redux-thunk（我确保首先备份它）
"name": "vrs",
"version": "2.6.0",
"description": "Vehicle Reservation System",
"author": {
"name": " ",
"url": "",
"github": " ",
"twitter": " "
},
"homepage": ".",
"copyright": " ",
"license": "https://coreui.io/pro/license/",
"private": true,
"dependencies": {
"@coreui/coreui-plugin-chartjs-custom-tooltips": "^1.3.1",
"@coreui/coreui-pro": "^2.1.14",
"@coreui/icons": "0.3.0",
"@coreui/react": "^2.5.1",
"@fortawesome/fontawesome-free": "^5.11.2",
"axios": "^0.19.0",
"bootstrap": "^4.3.1",
"chart.js": "^2.8.0",
"classnames": "^2.2.6",
"codemirror": "^5.47.0",
"core-js": "^3.1.4",
"enzyme": "^3.10.0",
"enzyme-adapter-react-16": "^1.14.0",
"flag-icon-css": "^3.3.0",
"font-awesome": "^4.7.0",
"formik": "^1.5.1",
"node-sass": "^4.12.0",
"prop-types": "^15.7.2",
"react": "^16.8.6",
"react-app-polyfill": "^1.0.1",
"react-big-calendar": "^0.21.0",
"react-bootstrap-table": "4.3.1",
"react-chartjs-2": "^2.7.6",
"react-codemirror2": "^6.0.0",
"react-dates": "^20.2.3",
"react-dom": "^16.8.6",
"react-google-maps": "9.4.5",
"react-grid-layout": "^0.16.6",
"react-ladda": "6.0.0",
"react-quill": "1.3.3",
"react-redux": "^7.1.0",
"react-router-config": "^5.0.1",
"react-router-dom": "^5.0.1",
"react-select": "^1.3.0",
"react-test-renderer": "^16.8.6",
"react-text-mask-hoc": "^0.11.0",
"react-toastify": "^5.2.1",
"reactstrap": "^8.0.0",
"redux": "^4.0.4",
"simple-line-icons": "^2.4.1",
"spinkit": "1.2.5",
"yup": "^0.27.0"
},
"devDependencies": {
"mutationobserver-shim": "^0.3.3",
"react-scripts": "^3.0.1"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"test:cov": "npm test -- --coverage --watchAll=false",
"test:debug": "react-scripts --inspect-brk test --runInBand",
"eject": "react-scripts eject"
},
"bugs": {
"url": "https://github.com/coreui/coreui-pro-react-admin-template-starter/issues"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": [
">0.2%",
"not dead",
"not ie <= 10",
"not op_mini all"
],
"jest": {
"collectCoverageFrom": [
"src/**/*.{js,jsx}",
"!**/*index.js",
"!src/serviceWorker.js",
"!src/polyfill.js"
]
},
"engines": {
"node": ">=8.10",
"npm": ">=6"
},
"proxy": "http://localhost:5000"
}
终端输出成功保存锁定文件。成功保存了1个新的依赖项信息直接依赖项redux-thunk@2.3.0所有依赖项redux-thunk@2.3.0