【发布时间】：2022-02-01 10:00:10
【问题描述】：
我是 npm 和 javascript 的新手，但我正在尝试使用现有的 npm 项目在本地运行和测试它。我使用命令npm run dev 同时激活服务和客户端脚本。为了能够连接到服务器 url，我使用了上面命令中的律师建议的 http://localhost:5200/，我从浏览器中收到以下消息“{“hi”：“there”}。我希望这个命令能让我进入为这个项目创建和构建的网站。我收到警告但没有错误。这些警告是否会导致连接问题？如何解决此问题并连接到客户端服务器？
非常感谢任何帮助或解决此问题的建议。
这是我运行命令时的顾问输出：
> backendserver@1.0.0 dev
> concurrently "npm run server" "npm run client"
[1]
[1] > backendserver@1.0.0 client
[1] > npm run start --prefix client
[1]
[0]
[0] > backendserver@1.0.0 server
[0] > nodemon index.js
[0]
[1]
[1] > client@0.1.0 start
[1] > react-scripts start
[1]
[0] [nodemon] 1.19.4
[0] [nodemon] to restart at any time, enter `rs`
[0] [nodemon] watching dir(s): *.*
[0] [nodemon] watching extensions: js,mjs,json
[0] [nodemon] starting `node index.js`
[0] devUser
[0] App listening on port 5200
[1] Attempting to bind to HOST environment variable: x86_64-apple-darwin13.4.0
[1] If this was unintentional, check that you haven't mistakenly set it in your shell.
[1]
[1] [HPM] Proxy created: /api/* -> http://localhost:5200/
[1] Compiled with warnings.
[1]
[1] ./src/components/searches/QueryHookForm_v3.js
[1] Line 16:9: 'options1' is assigned a value but never used no-unused-vars
[1] Line 22:9: 'options2' is assigned a value but never used no-unused-vars
[1] Line 222:25: 'register' is assigned a value but never used no-unused-vars
[1] Line 373:7: 'mapStateToProps' is assigned a value but never used no-unused-vars
[1]
[1] ./src/components/plot/TestPlot_v12.js
[1] Line 1:17: 'useState' is defined but never used no-unused-vars
[1] Line 1:27: 'useEffect' is defined but never used no-unused-vars
[1] Line 1:38: 'useRef' is defined but never used no-unused-vars
[1] Line 31:7: 'geneAccessor' is assigned a value but never used no-unused-vars
[1] Line 54:9: 'inputData2' is assigned a value but never used no-unused-vars
[1]
[1] ./src/components/dataset/DataSetDownload_v2.js
[1] Line 20:67: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1] Line 23:107: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1] Line 26:46: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1]
[1] ./src/components/tables/ReactTableContainer_v3.js
[1] Line 26:25: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1] Line 43:21: The href attribute is required for an anchor to be keyboard accessible. Provide a valid, navigable address as the href value. If you cannot provide an href, but still need the element to resemble a link, use a button and change it with appropriate styles. Learn more: https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/anchor-is-valid.md jsx-a11y/anchor-is-valid
[1] Line 93:21: The href attribute is required for an anchor to be keyboard accessible. Provide a valid, navigable address as the href value. If you cannot provide an href, but still need the element to resemble a link, use a button and change it with appropriate styles. Learn more: https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/anchor-is-valid.md jsx-a11y/anchor-is-valid
[1] Line 153:21: The href attribute is required for an anchor to be keyboard accessible. Provide a valid, navigable address as the href value. If you cannot provide an href, but still need the element to resemble a link, use a button and change it with appropriate styles. Learn more: https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/anchor-is-valid.md jsx-a11y/anchor-is-valid
[1]
[1] ./src/components/landing/UseCases/CollapsibleComponent/Panel.js
[1] Line 27:26: Expected '===' and instead saw '==' eqeqeq
[1] Line 34:26: Expected '===' and instead saw '==' eqeqeq
[1]
[1] ./src/components/header/Header_v3.js
[1] Line 32:33: Expected '===' and instead saw '==' eqeqeq
[1]
[1] ./src/components/plot/OptionsGroup/OptionsGroup.js
[1] Line 3:10: 'fetchGeneSummary' is defined but never used no-unused-vars
[1] Line 38:7: React Hook useCallback has missing dependencies: 'option1.name' and 'setGroupOptions'. Either include them or remove the dependency array react-hooks/exhaustive-deps
[1] Line 57:7: React Hook useCallback has missing dependencies: 'option2.name' and 'setGroupOptions'. Either include them or remove the dependency array react-hooks/exhaustive-deps
[1]
[1] ./src/components/footer/Footer.js
[1] Line 40:22: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1]
[1] ./src/components/App.js
[1] Line 4:8: 'ReactGA' is defined but never used no-unused-vars
[1]
[1] ./src/components/documentation/Documentation_v3.js
[1] Line 50:75: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1] Line 641:88: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1] Line 645:57: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1] Line 662:103: Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
[1]
[1] ./src/components/plot/PiePlot_v12.js
[1] Line 6:10: 'elementType' is defined but never used no-unused-vars
[1] Line 15:25: 'selectedFilters' is assigned a value but never used no-unused-vars
[1] Line 15:42: 'setSelectedFilters' is assigned a value but never used no-unused-vars
[1] Line 28:45: Expected '===' and instead saw '==' eqeqeq
[1] Line 28:61: Unexpected mix of '&' and '|' no-mixed-operators
[1] Line 28:67: Unexpected mix of '&' and '|' no-mixed-operators
Line 310:49: Unexpected string concatenation of literals no-useless-concat
[1] Line 332:49: Unexpected string concatenation of literals no-useless-concat
[1] Line 354:16: 'x_coord' is assigned a value but never used no-unused-vars
[1] Line 381:5: React Hook useEffect has missing dependencies: 'colors', 'createArc', 'createArcOver', 'createOuter2Arc', 'createOuterArc', 'createPie', 'filteredData', 'format', 'props.height', 'props.keyID', 'props.outerRadius', and 'props.width'. Either include them or remove the dependency array react-hooks/exhaustive-deps
[1]
[1] ./src/actions/index.js
[1] Line 6:10: 'FETCH_WEATHER' is defined but never used no-unused-vars
[1]
[1] ./src/components/studies/ReactBootstrapTableForStudies.js
[1] Line 73:15: 'defaultSorted' is assigned a value but never used no-unused-vars
[1]
[1] ./src/components/fileupload/FileUpload_v2.js
[1] Line 75:13: 'payload' is assigned a value but never used no-unused-vars
[1] Line 151:7: 'setFieldTouched' is assigned a value but never used no-unused-vars
[1]
[1] Search for the keywords to learn more about each warning.
[1] To ignore, add // eslint-disable-next-line to the line before.
[1]
【问题讨论】：
-
请在此处提供服务器和客户端代码以便能够检查。 package.json 的代码也很有用。见minimal reproducible example
标签： javascript npm package.json