{ "compilerOptions": { /* Language and Environment */ "target": "ESNext", "jsx": "react-jsx",
/* Modules */ "module": "ESNext", /* Specify what module code is generated. */ "moduleResolution": "Node", /* Specify how TypeScript looks up a file from a given module specifier. */
/* JavaScript Support */ "allowJs": false, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */ "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */ "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. 将所有写在源码的types文件生成到types文件夹下 */ "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */ "sourceMap": true, /* Create source map files for emitted JavaScript files. */ "outDir": "dist", /* Specify an output folder for all emitted files. */ "declarationDir": "types", /* Specify the output directory for generated declaration files. */
/* Interop Constraints */ "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */ "esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */ "forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */ "strict": true, /* Enable all strict type-checking options. */ "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */ "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */ "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */ "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */ "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */ "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */ "skipLibCheck": true/* Skip type checking all .d.ts files. */ } }