tsconfig.json

{
  "compilerOptions": {
    "target": "es2020",
    "lib": ["dom", "dom.iterable", "esnext"],
    "allowJs": true,
    "skipLibCheck": true,
    "strict": true,
    "noUncheckedIndexedAccess": true, // restrict index signature
    "exactOptionalPropertyTypes": true, // restrict optional property
    "noImplicitReturns": true, // requires a write of all return values in the function
    "noFallthroughCasesInSwitch": true, // must write 'break' for fallthrough in switch
    "forceConsistentCasingInFileNames": true, // judge case Upper and Lower
    "noEmit": true,
    "esModuleInterop": true,
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "removeComments": true,
    "isolatedModules": true,
    "jsx": "preserve",
    "incremental": true,
    "baseUrl": ".",
    "paths": {
      "@/*": ["src/*"],
    },
  },
  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "jest.setup.js", "jest.config.js"],
  "exclude": ["node_modules"]
}