{"id":31972,"date":"2022-11-19T17:18:15","date_gmt":"2024-01-22T18:44:53","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91nodejstypescript%e9%a1%b9%e7%9b%ae%e7%9a%84%e5%88%9d%e5%a7%8b%e9%85%8d%e7%bd%ae%e6%ad%a5%e9%aa%a4%e3%80%82\/"},"modified":"2024-04-29T01:29:21","modified_gmt":"2024-04-28T17:29:21","slug":"%e6%88%91nodejstypescript%e9%a1%b9%e7%9b%ae%e7%9a%84%e5%88%9d%e5%a7%8b%e9%85%8d%e7%bd%ae%e6%ad%a5%e9%aa%a4%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91nodejstypescript%e9%a1%b9%e7%9b%ae%e7%9a%84%e5%88%9d%e5%a7%8b%e9%85%8d%e7%bd%ae%e6%ad%a5%e9%aa%a4%e3%80%82\/","title":{"rendered":"\u6211NodeJS+TypeScript\u9879\u76ee\u7684\u521d\u59cb\u914d\u7f6e\u6b65\u9aa4"},"content":{"rendered":"

\u5173\u4e8e\u8fd9\u7bc7\u6587\u7ae0<\/h1>\n

\u5728\u4f7f\u7528NodeJS\u73af\u5883\u8fdb\u884c\u670d\u52a1\u5668\u7aef\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u65f6\uff0c
\n\u4ee5\u4e0b\u662f\u5411\u65b0\u9879\u76ee\uff08\u4ed3\u5e93\uff09\u5f15\u5165TypeScript\u3001\u683c\u5f0f\u5316\u5de5\u5177\uff08Prettier\uff09\u3001\u68c0\u67e5\u5de5\u5177\uff08ESLint\uff09\u548c\u5355\u5143\u6d4b\u8bd5\u5de5\u5177\uff08Jest\uff09\u7684\u6b65\u9aa4\u5907\u5fd8\u5f55\u3002
\n\u203b\u9884\u8ba1\u5c06\u6839\u636e\u9700\u8981\u8fdb\u884c\u9002\u5f53\u7684\u4fee\u6539\u548c\u8c03\u6574\u3002<\/p>\n

\u64cd\u4f5c\u6b65\u9aa4<\/h1>\n

\u751f\u6210 package.json<\/h2>\n
npm init -y<\/span>\r\n<\/code><\/pre>\n
\u5f15\u5165TypeScript<\/h2>\n
\u5b89\u88c5TypeScript\u672c\u4f53\u548cNodeJS\u5185\u7f6e\u529f\u80fd\u7684\u7c7b\u578b\u5b9a\u4e49\u5305\u3002<\/p>\n
npm install<\/span> --save-dev<\/span> typescript @types\/node\r\n<\/code><\/pre>\n
\u8bbe\u7f6e tsconfig.json<\/h3>\n
\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u751f\u6210\u5e26\u6709\u6ce8\u91ca\u7684 tsconfig.json \u6587\u4ef6\uff0c\u7136\u540e\u53ef\u4ee5\u66f4\u6539\u4e00\u4e9b\u8bbe\u7f6e\u3002<\/p>\n
npx tsc --init<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u914d\u7f6e\u793a\u4f8b\uff0c\u5c06\u6e90\u4ee3\u7801\u653e\u7f6e\u5728 src \u76ee\u5f55\u4e2d\uff0c\u751f\u6210\u7269\u653e\u7f6e\u5728 dist \u76ee\u5f55\u4e2d\u3002<\/p>\n
{<\/span>\r\n    \"compilerOptions\"<\/span>:<\/span> {<\/span>\r\n        \"incremental\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"tsBuildInfoFile\"<\/span>:<\/span> \".\/.tsbuildinfo\"<\/span>,<\/span>\r\n\r\n        \"target\"<\/span>:<\/span> \"ES2021\"<\/span>,<\/span>\r\n        \"lib\"<\/span>:<\/span> [<\/span>\"ES2021\"<\/span>],<\/span>\r\n        \"experimentalDecorators\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"emitDecoratorMetadata\"<\/span>:<\/span> true<\/span>,<\/span>\r\n\r\n        \"module\"<\/span>:<\/span> \"commonjs\"<\/span>,<\/span>\r\n        \"moduleResolution\"<\/span>:<\/span> \"node\"<\/span>,<\/span>\r\n        \"rootDir\"<\/span>:<\/span> \".\/src\"<\/span>,<\/span>\r\n        \"baseUrl\"<\/span>:<\/span> \".\/src\"<\/span>,<\/span>\r\n        \"paths\"<\/span>:<\/span> {<\/span>\r\n            \"~\/*\"<\/span>:<\/span> [<\/span>\".\/*\"<\/span>]<\/span>\r\n        },<\/span>\r\n        \"resolveJsonModule\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"allowJs\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"checkJs\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"outDir\"<\/span>:<\/span> \".\/dist\"<\/span>,<\/span>\r\n\r\n        \"isolatedModules\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"esModuleInterop\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"forceConsistentCasingInFileNames\"<\/span>:<\/span> true<\/span>,<\/span>\r\n\r\n        \"strict\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noUnusedLocals\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noUnusedParameters\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"exactOptionalPropertyTypes\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noImplicitReturns\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noFallthroughCasesInSwitch\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noUncheckedIndexedAccess\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noImplicitOverride\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"noPropertyAccessFromIndexSignature\"<\/span>:<\/span> true<\/span>,<\/span>\r\n        \"allowUnusedLabels\"<\/span>:<\/span> false<\/span>,<\/span>\r\n        \"allowUnreachableCode\"<\/span>:<\/span> false<\/span>,<\/span>\r\n\r\n        \"skipLibCheck\"<\/span>:<\/span> true<\/span>\r\n    },<\/span>\r\n    \"include\"<\/span>:<\/span> [<\/span>\".\/src\"<\/span>],<\/span>\r\n    \"exclude\"<\/span>:<\/span> [<\/span>\"node_modules\"<\/span>,<\/span> \".\/dist\"<\/span>]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
tsconfig.json\u5173\u4e8e\u5404\u4e2a\u8bbe\u7f6e\u503c\u7684\u8865\u5145”target”: “ES2021”,
\n“lib”: [“ES2021”],<\/p>\n
\u6839\u636eNodeJS\u7684\u7248\u672c\u8fdb\u884c\u8bbe\u7f6e\uff0c(\u5f53\u524dLTS\u7248\u672c\u7684)NodeJS v16\u652f\u6301ES2021<\/p>\n
“experimentalDecorators”: true,
\n“emitDecoratorMetadata”: true,<\/p>\n
\u5982\u679c\u9700\u8981\u4f7f\u7528\u88c5\u9970\u5668\uff0c\u8bf7\u5c06\u5176\u8bbe\u4e3atrue<\/p>\n
“rootDir”: “.\/src”,<\/p>\n
\u5982\u679c\u6e90\u4ee3\u7801\u653e\u7f6e\u5728src\u76ee\u5f55\u5185\u7684\u9879\u76ee\u5e03\u5c40\uff0c\u8bf7\u8fd9\u6837\u8bbe\u7f6e<\/p>\n
“baseUrl”: “.\/src”,
\n“paths”: { “~\/”: [“.\/”] },<\/p>\n
\u8def\u5f84\u522b\u540d\u8bbe\u7f6e\u3002\u4f7f\u5f97\u4efb\u4f55\u5c42\u7ea7\u7684\u6587\u4ef6\u90fd\u53ef\u4ee5\u5c06src\/\u89c6\u4e3a~\/\u4ee5\u4fbf\u8fdb\u884cimport<\/p>\n
“outDir”: “.\/dist”,<\/p>\n
\u5df2\u7f16\u8bd1\u7684JS\u8f93\u51fa\u76ee\u5f55\u3002
\n\u4e3a\u4e86\u907f\u514d\u4e0e\u6e90\u4ee3\u7801\u6df7\u5408\u5b58\u5728\u4e8e\u540c\u4e00\u76ee\u5f55\u4e0b\uff0c\u5c06\u5176\u8f93\u51fa\u5230dist\u76ee\u5f55\u4e0b
\n\u6ce8\u610f\uff0c\u5728\u4f7f\u7528webpack\u6216esbuild\u7b49\u6346\u7ed1\u5de5\u5177\u65f6\uff0c\u6b64\u8bbe\u7f6e\u53ef\u80fd\u6ca1\u6709\u6548\u679c<\/p>\n
“strict”: true,
\n\u5230
\n“allowUnreachableCode”: false,<\/p>\n
\u5c06\u8fd9\u4e9b\u4e25\u683c\u7684\u8bed\u6cd5\u68c0\u67e5\u8bbe\u7f6e\u4e00\u5f00\u59cb\u5168\u90e8\u542f\u7528\uff0c\u53ea\u6709\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u624d\u7981\u7528\u5b83\u4eec<\/p>\n<\/details>\n
\u8bf7\u53c2\u8003\u5b98\u65b9\u6587\u6863\u4ee5\u83b7\u5f97\u5404\u9879\u76ee\u7684\u66f4\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n
\u6dfb\u52a0\u4e00\u79cd\u5de5\u5177\uff0c\u65b9\u4fbf\u5728TypeScript\u5f00\u53d1\u4e2d\u5feb\u901f\u6267\u884c\u3002<\/h3>\n
npm install<\/span> --save-dev<\/span> ts-node ts-node-dev tsconfig-paths\r\n<\/code><\/pre>\n
\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5728TypeScript\u9879\u76ee\u4e2d\u901a\u5e38\u4f1a\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
ts-node\uff1a\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884cTS\u6587\u4ef6\u7684\u5de5\u5177
\nts-node-dev\uff1a\u5728\u8fdb\u884c\u4ee3\u7801\u4fee\u6539\u65f6\u81ea\u52a8\u91cd\u65b0\u542f\u52a8\uff08watch\uff09\u7684\u5de5\u5177\uff0c\u5e38\u7528\u4e8e\u670d\u52a1\u5668\u7a0b\u5e8f\u5f00\u53d1\u7b49
\ntsconfig-paths\uff1a\u7528\u4e8e\u5728\u8fd0\u884c\u65f6\u89e3\u6790\u8def\u5f84\u522b\u540d\u7684\u5de5\u5177<\/p>\n
\u901a\u8fc7\u4f20\u9012 -r tsconfig-paths\/register \uff0c\u53ef\u4ee5\u89e3\u6790\u8def\u5f84\u522b\u540d\u5e76\u6267\u884c\u3002<\/p>\n
ts-node -r<\/span> tsconfig-paths\/register src\/main.ts\r\nts-node-dev -r<\/span> tsconfig-paths\/register src\/main.ts\r\n\r\n# \u30d1\u30b9\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f7f\u7528\u3057\u305fTS\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305fJS\u5b9f\u884c\u6642\u306b<\/span>\r\nTS_NODE_BASEURL<\/span>=<\/span>dist node -r<\/span> tsconfig-paths\/register dist\/main.js\r\n<\/code><\/pre>\n
\u5728 package.json \u7684 scripts \u4e2d\u6dfb\u52a0<\/h3>\n
\u53ef\u4ee5\u5c06\u4e3b\u8981\u811a\u672c\u6ce8\u518c\u5230 package.json \u7684 scripts \u4e2d\uff0c\u4ee5\u4f7f\u7528\u7b80\u77ed\u7684\u547d\u4ee4 npm run dev \u6765\u542f\u52a8\u3002<\/p>\n
  \"scripts\": {\r\n      ...\r\n+     \"dev\": \"ts-node-dev -r tsconfig-paths\/register src\/main.ts\",\r\n<\/span>      ...\r\n  },\r\n<\/code><\/pre>\n
\u5728\u4e2d\u6587\u4e2d\u5c0e\u5165”\u683c\u5f0f\u5316\u7a0b\u5f0f\uff08Prettier\uff09”\u3002<\/h2>\n
\u5c06\u683c\u5f0f\u5316\u5de5\u5177Prettier\u6dfb\u52a0\u5230\u9879\u76ee\u4e2d\u3002<\/p>\n
npm install<\/span> --save-dev<\/span> prettier\r\n<\/code><\/pre>\n
\u8bbe\u7f6e .prettierrc.js<\/h3>\n
\u6839\u636e\u9879\u76ee\u89c4\u5b9a\u6765\u66f4\u6539\u8bbe\u5b9a\u503c\u3002<\/p>\n
\/** @type {import(\"prettier\").Config} *\/<\/span>\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n    printWidth<\/span>:<\/span> 120<\/span>,<\/span>\r\n    tabWidth<\/span>:<\/span> 4<\/span>,<\/span>\r\n    useTabs<\/span>:<\/span> false<\/span>,<\/span>\r\n    semi<\/span>:<\/span> true<\/span>,<\/span>\r\n    singleQuote<\/span>:<\/span> false<\/span>,<\/span>\r\n    quoteProps<\/span>:<\/span> \"<\/span>consistent<\/span>\"<\/span>,<\/span>\r\n    jsxSingleQuote<\/span>:<\/span> false<\/span>,<\/span>\r\n    trailingComma<\/span>:<\/span> \"<\/span>all<\/span>\"<\/span>,<\/span>\r\n    bracketSpacing<\/span>:<\/span> true<\/span>,<\/span>\r\n    bracketSameLine<\/span>:<\/span> false<\/span>,<\/span>\r\n    arrowParens<\/span>:<\/span> \"<\/span>always<\/span>\"<\/span>,<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u5404\u914d\u7f6e\u9879\u7684\u8865\u5145.prettierrc.js
\n\/** @type {import(“prettier”).Config} *\/
\nmodule.exports = {
\n\/\/ \u5355\u884c\u7684\u6700\u5927\u957f\u5ea6
\nprintWidth: 120,
\n\/\/ \u7f29\u8fdb\u5bbd\u5ea6
\ntabWidth: 4,
\n\/\/ \u4f7f\u7528\u7a7a\u683c\u4f5c\u4e3a\u7f29\u8fdb
\nuseTabs: false,
\n\/\/ \u5728\u8bed\u53e5\u672b\u5c3e\u52a0\u4e0a\u5206\u53f7
\nsemi: true,
\n\/\/ \u7528\u53cc\u5f15\u53f7\u5305\u88f9\u5b57\u7b26\u4e32\u5b57\u9762\u91cf
\nsingleQuote: false,
\n\/\/ \u5728\u5bf9\u8c61\u5b57\u9762\u91cf\u7684\u5c5e\u6027\u540d\u4e2d\u4fdd\u6301\u5f15\u53f7\u7684\u4e00\u81f4\u6027
\nquoteProps: “consistent”,
\n\/\/ \u7528\u53cc\u5f15\u53f7\u5305\u88f9JSX\u5c5e\u6027\u503c
\njsxSingleQuote: false,
\n\/\/ \u5728\u6570\u7ec4(\u5bf9\u8c61)\u5b57\u9762\u91cf\u7684\u672b\u5c3e\u5c5e\u6027(\u5143\u7d20)\u540e\u9762\u6dfb\u52a0\u9017\u53f7
\ntrailingComma: “all”,
\n\/\/ \u5728\u82b1\u62ec\u53f7\u5185\u6dfb\u52a0\u7a7a\u683c
\nbracketSpacing: true,
\n\/\/ \u591a\u884cHTML\u5143\u7d20\u548cJSX\u6807\u7b7e\u7684”>”\u653e\u7f6e\u5728\u5355\u72ec\u7684\u65b0\u884c\u4e2d
\nbracketSameLine: false,
\n\/\/ \u59cb\u7ec8\u4f7f\u7528\u62ec\u53f7\u62ec\u4f4f\u7bad\u5934\u51fd\u6570\u7684\u53c2\u6570
\narrowParens: “always”,
\n};<\/p>\n
\u203b \u66f4\u8be6\u7ec6\u7684\u914d\u7f6e\u9879\u8bf4\u660e\u8bf7\u53c2\u8003\u5b98\u65b9\u6587\u6863\u3002<\/p>\n<\/details>\n
\u6dfb\u52a0 package.json \u6587\u4ef6\u4e2d\u7684 scripts \u90e8\u5206<\/h3>\n
\u5728 package.json \u4e2d\u6dfb\u52a0\u4e00\u4e2a\u53ea\u6267\u884c\u68c0\u67e5\u7684 lint \u811a\u672c\u548c\u4e00\u4e2a\u7528\u4e8e\u8fdb\u884c\u4fee\u6b63\u7684 fix \u811a\u672c\u3002<\/p>\n
  \"scripts\": {\r\n      ...\r\n+     \"lint\": \"prettier -l src\",\r\n+     \"fix\": \"prettier -w src\",\r\n<\/span>      ...\r\n  }\r\n<\/code><\/pre>\n
\u5f15\u5165\u6d4b\u8bd5\u5de5\u5177\uff08Jest\uff09\u3002<\/h2>\n
\u5c06Jest\u6dfb\u52a0\u5230\u9879\u76ee\u4e2d\uff0c\u5e76\u6dfb\u52a0ts-jest\u548c\u7c7b\u578b\u5b9a\u4e49\u4ee5\u652f\u6301TypeScript\u3002<\/p>\n
npm install<\/span> --save-dev<\/span> jest @types\/jest ts-jest\r\n<\/code><\/pre>\n
\u65b0\u589e jest.config.js \u8a2d\u5b9a\u6a94<\/h3>\n
\u751f\u6210 TypeScript \u7684\u914d\u7f6e\u6587\u4ef6<\/p>\n
npx ts-jest config:init\r\n<\/code><\/pre>\n
\u4e3a\u4e86\u8ba9\u751f\u6210\u7684 jest.config.js \u652f\u6301\u8def\u5f84\u522b\u540d\uff0c\u8fdb\u884c\u5982\u4e0b\u4fee\u6539\u3002<\/p>\n
const<\/span> {<\/span> pathsToModuleNameMapper<\/span> }<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>ts-jest<\/span>\"<\/span>);<\/span>\r\nconst<\/span> {<\/span> loadConfig<\/span> }<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>tsconfig-paths<\/span>\"<\/span>);<\/span>\r\n\r\nconst<\/span> tsconfig<\/span> =<\/span> loadConfig<\/span>();<\/span>\r\n\r\n\/** @type {import('ts-jest\/dist\/types').InitialOptionsTsJest} *\/<\/span>\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n    preset<\/span>:<\/span> \"<\/span>ts-jest<\/span>\"<\/span>,<\/span>\r\n    testEnvironment<\/span>:<\/span> \"<\/span>node<\/span>\"<\/span>,<\/span>\r\n\r\n    \/\/ paths<\/span>\r\n    moduleNameMapper<\/span>:<\/span> pathsToModuleNameMapper<\/span>(<\/span>tsconfig<\/span>.<\/span>paths<\/span>,<\/span> {<\/span>\r\n        prefix<\/span>:<\/span> tsconfig<\/span>.<\/span>absoluteBaseUrl<\/span>,<\/span>\r\n    }),<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u6dfb\u52a0 package.json \u6587\u4ef6\u4e2d\u7684 scripts<\/h3>\n
\u53ef\u4ee5\u5728 package.json \u4e2d\u6dfb\u52a0\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4f7f\u7528 npm run test \u8fd0\u884c
\n\uff08\u5982\u679c\u4e0d\u6dfb\u52a0\u9009\u9879\uff0c\u53ef\u80fd\u6ca1\u6709\u592a\u5927\u610f\u4e49\uff0c\u56e0\u4e3a\u5b83\u6bd4 npx jest \u66f4\u957f…\uff09<\/p>\n
  \"scripts\": {\r\n      ...\r\n+     \"test\": \"jest\",\r\n<\/span>      ...\r\n  }\r\n<\/code><\/pre>\n
\u5f15\u5165\u4ee3\u7801\u68c0\u67e5\u5de5\u5177ESLint<\/h2>\n
\u6dfb\u52a0ESLint<\/p>\n
\u4e3a\u4e86\u652f\u6301TypeScript\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0typescript-eslint\u3002
\n\u4e3a\u4e86\u6dfb\u52a0import\u987a\u5e8f\u7684\u89c4\u5219\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0eslint-plugin-import\u3002
\n\u4e3a\u4e86\u7981\u7528\u4e0eprettier\u51b2\u7a81\u7684eslint\u89c4\u5219\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0eslint-config-prettier\u3002
\n\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u6dfb\u52a0eslint-plugin-jest\u6765\u6dfb\u52a0\u9488\u5bf9jest\u7684\u89c4\u5219\u3002<\/p>\n
npm install<\/span> --save-dev<\/span> eslint \\<\/span>\r\n  @typescript-eslint\/parser @typescript-eslint\/eslint-plugin \\<\/span>\r\n  eslint-plugin-import eslint-import-resolver-typescript \\<\/span>\r\n  eslint-config-prettier eslint-plugin-jest\r\n<\/code><\/pre>\n
\u65b0\u589e .eslintrc.js \u8a2d\u5b9a\u6a94<\/h3>\n
\u5c06\u6bcf\u4e2a\u63d2\u4ef6\u7684\u5efa\u8bae\u89c4\u5219\u653e\u5728extends\u4e2d\uff0c\u4ee5\u4fbf\u5c06\u4e0d\u9002\u7528\u6216\u7f3a\u5931\u7684\u89c4\u5219\u7981\u7528\/\u6dfb\u52a0\u5230rules\u4e2d\uff0c\u4ee5\u9002\u914d\u9879\u76ee\u5f00\u53d1\u3002<\/p>\n
\/** @type {import(\"eslint\").Linter.Config} *\/<\/span>\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n    env<\/span>:<\/span> {<\/span>\r\n        node<\/span>:<\/span> true<\/span>,<\/span>\r\n        commonjs<\/span>:<\/span> true<\/span>,<\/span>\r\n        es2021<\/span>:<\/span> true<\/span>,<\/span>\r\n        jest<\/span>:<\/span> true<\/span>,<\/span>\r\n    },<\/span>\r\n    plugins<\/span>:<\/span> [<\/span>\r\n        \/\/<\/span>\r\n        \"<\/span>@typescript-eslint<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>import<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>jest<\/span>\"<\/span>,<\/span>\r\n    ],<\/span>\r\n    parser<\/span>:<\/span> \"<\/span>@typescript-eslint\/parser<\/span>\"<\/span>,<\/span>\r\n    parserOptions<\/span>:<\/span> {<\/span>\r\n        project<\/span>:<\/span> \"<\/span>.\/tsconfig.json<\/span>\"<\/span>,<\/span>\r\n    },<\/span>\r\n    settings<\/span>:<\/span> {<\/span>\r\n        \"<\/span>import\/parsers<\/span>\"<\/span>:<\/span> {<\/span>\r\n            \"<\/span>@typescript-eslint\/parser<\/span>\"<\/span>:<\/span> [<\/span>\"<\/span>.ts<\/span>\"<\/span>,<\/span> \"<\/span>.tsx<\/span>\"<\/span>],<\/span>\r\n        },<\/span>\r\n        \"<\/span>import\/resolver<\/span>\"<\/span>:<\/span> {<\/span>\r\n            typescript<\/span>:<\/span> true<\/span>,<\/span>\r\n        },<\/span>\r\n    },<\/span>\r\n    extends<\/span>:<\/span> [<\/span>\r\n        \"<\/span>eslint:recommended<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>plugin:@typescript-eslint\/recommended<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>plugin:import\/recommended<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>plugin:import\/typescript<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>plugin:jest\/recommended<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>prettier<\/span>\"<\/span>,<\/span>\r\n    ],<\/span>\r\n    rules<\/span>:<\/span> {},<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u4e00\u79cd\u65b9\u5f0f\u6765\u91ca\u4e49\u8fd9\u6bb5\u6587\u5b57\u7684\u5185\u5bb9\uff1a.rules\u6587\u4ef6\u4e2d\u7684\u793a\u4f8b\u6dfb\u52a0<\/p>\n
\u5c06ESLint\u89c4\u5219\u6dfb\u52a0\u4e3a\u793a\u4f8b<\/p>\n
\u4ece.eslintrc.js\u6587\u4ef6\u4e2d\u6458\u5f55rules<\/p>\n
\/\/ \u7981\u6b62\u7701\u7565\u5355\u884cif\u8bed\u53e5\u7684\u5927\u62ec\u53f7
\n“curly”: “error”,<\/p>\n
\/\/ \u7981\u6b62\u5728if\u8bed\u53e5\u4e2d\u4f7f\u7528else\u8bed\u53e5\uff0c\u53ea\u6709\u5728\u5fc5\u987b\u4f7f\u7528return\u65f6\u9664\u5916
\n“no-else-return”: “error”,<\/p>\n
\/\/ \u5f3a\u5236\u4f7f\u7528\u4e25\u683c\u6bd4\u8f83
\n“eqeqeq”: “error”,<\/p>\n
\/\/ \u51fd\u6570\u7684\u6700\u5927\u884c\u6570\uff08\u4e0d\u5305\u62ec\u9876\u5c42\u51fd\u6570\uff09
\n“max-statements”: [“error”, 40, { ignoreTopLevelFunctions: true }],<\/p>\n
\/\/ \u7981\u6b62\u5728\u4e00\u4e2avar\/const\/let\u8bed\u53e5\u4e2d\u58f0\u660e\u591a\u4e2a\u53d8\u91cf
\n“one-var”: [“error”, “never”],<\/p>\n
\u6dfb\u52a0import\u89c4\u5219\u7684\u793a\u4f8b<\/p>\n
\u4ece.eslintrc.js\u6587\u4ef6\u4e2d\u6458\u5f55rules<\/p>\n
\/\/ \u5c06import\u8bed\u53e5\u653e\u5728\u6587\u4ef6\u5f00\u5934
\n“import\/first”: “error”,<\/p>\n
\/\/ import\u8bed\u53e5\u7684\u6392\u5e8f\u89c4\u5219
\n“import\/order”: [“error”, {
\n\/\/ \u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f
\n“alphabetize”: { order: “asc”, caseInsensitive: false },
\n\/\/ \u6309\u7167\u7ec4\u522b\u6392\u5e8f NodeJS\u5185\u7f6e\u6a21\u5757\u2192\u5916\u90e8\u6a21\u5757\u2192\u5185\u90e8\u6a21\u5757\u2192\u4e0a\u7ea7\u76ee\u5f55\u2192\u540c\u7ea7\u76ee\u5f55
\n“groups”: [“builtin”, “external”, “internal”, “parent”, “sibling”],
\n\/\/ \u5728\u7ec4\u522b\u4e4b\u95f4\u6dfb\u52a0\u7a7a\u884c
\n“newlines-between”: “always”,
\n}]<\/p>\n<\/details>\n
\u4fee\u6539 package.json \u6587\u4ef6\u4e2d\u7684 scripts<\/h3>\n
\u4f7fnpm run lint\u547d\u4ee4\u6765\u6267\u884cESLint\u7684\u68c0\u67e5
\n\u4f7fnpm run fix\u547d\u4ee4\u6765\u6267\u884cESLint\u89c4\u5219\u8fdd\u53cd\u7684\u4fee\u6b63\uff08\u4ec5\u9650\u81ea\u52a8\u4fee\u590d\u7684\u5185\u5bb9\uff09<\/p>\n
  \"scripts\": {\r\n      ...\r\n-     \"lint\": \"prettier -l src\",\r\n<\/span>+     \"lint\": \"prettier -l src && eslint src\",\r\n<\/span>-     \"fix\": \"prettier -w src\",\r\n<\/span>+     \"fix\": \"prettier -w src && eslint src --fix\",\r\n<\/span>      ...\r\n  }\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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